Redwood Trust (RWT) 10-K 25 Feb 22 2021 FY Annual report Financial data

Cover Page

Cover Page - USD ($)	12 Months Ended
	Dec. 31, 2021	Feb. 21, 2022	Jun. 30, 2021
Cover [Abstract]
Document Type	10-K
Document Annual Report	true
Document Period End Date	Dec. 31, 2021
Current Fiscal Year End Date	--12-31
Document Transition Report	false
Entity File Number	1-13759
Entity Registrant Name	REDWOOD TRUST, INC.
Entity Incorporation, State or Country Code	MD
Entity Tax Identification Number	68-0329422
Entity Address, Address Line One	One Belvedere Place, Suite 300
Entity Address, City or Town	Mill Valley,
Entity Address, State or Province	CA
Entity Address, Postal Zip Code	94941
City Area Code	415
Local Phone Number	389-7373
Title of 12(b) Security	Common stock, par value $0.01 per share
Trading Symbol	RWT
Security Exchange Name	NYSE
Entity Well-known Seasoned Issuer	Yes
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Large Accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
ICFR Auditor Attestation Flag	true
Entity Shell Company	false
Entity Public Float			$ 1,352,805,395
Entity Common Stock, Shares Outstanding		120,169,045
Documents Incorporated by Reference	Portions of the registrant’s definitive Proxy Statement to be filed with the Securities and Exchange Commission under Regulation 14A within 120 days after the end of registrant’s fiscal year covered by this Annual Report are incorporated by reference into Part III.
Amendment Flag	false
Document Fiscal Year Focus	2021
Document Fiscal Period Focus	FY
Entity Central Index Key	0000930236

Audit Information

Audit Information	12 Months Ended
	Dec. 31, 2021
Audit Information [Abstract]
Auditor Name	GRANT THORNTON LLP
Auditor Location	Newport Beach, California
Auditor Firm ID	248

Consolidated Balance Sheets

Consolidated Balance Sheets - USD ($) $ in Thousands		Dec. 31, 2021	Dec. 31, 2020
ASSETS
Real estate securities, at fair value	[1]	$ 377,411	$ 344,125
Other investments	[1]	641,969	348,175
Cash and cash equivalents	[1]	450,485	461,260
Restricted cash	[1]	80,999	83,190
Intangible assets	[1]	41,561	56,865
Derivative assets	[1]	26,467	53,238
Other assets	[1]	231,117	130,588
Total Assets	[1]	14,706,944	10,355,066
Liabilities
Short-term debt	[1]	2,177,362	522,609
Derivative liabilities	[1]	3,317	16,072
Accrued expenses and other liabilities	[1]	245,788	179,340
Asset-backed securities issued (includes $8,843,147 and $6,900,362 at fair value), net	[1]	9,253,557	7,100,661
Long-term debt, net	[1]	1,640,833	1,425,485
Total liabilities	[1]	13,320,857	9,244,167
Commitments and Contingencies (see Note 16)	[1]
Equity
Common stock, par value $0.01 per share, 395,000,000 shares authorized; 114,892,309 and 112,090,006 issued and outstanding	[1]	1,149	1,121
Additional paid-in capital	[1]	2,316,799	2,264,874
Accumulated other comprehensive (loss) income	[1]	(8,927)	(4,221)
Cumulative earnings	[1]	1,316,890	997,277
Cumulative distributions to stockholders	[1]	(2,239,824)	(2,148,152)
Total equity	[1]	1,386,087	1,110,899
Total Liabilities and Equity	[1]	14,706,944	10,355,066
Residential loans, held-for-sale, at fair value
ASSETS
Loans, at fair value	[1]	1,845,282	176,641
Residential loans, held-for-investment, at fair value
ASSETS
Loans, at fair value	[1]	5,747,150	4,072,410
Business purpose loans, held-for-sale, at fair value
ASSETS
Loans, at fair value	[1]	358,309	245,394
Business purpose loans, held-for-investment, at fair value
ASSETS
Loans, at fair value	[1]	4,432,680	3,890,959
Multifamily loans, held-for-investment, at fair value
ASSETS
Loans, at fair value	[1]	$ 473,514	$ 492,221
[1]	Our consolidated balance sheets include assets of consolidated variable interest entities (“VIEs”) that can only be used to settle obligations of these VIEs and liabilities of consolidated VIEs for which creditors do not have recourse to Redwood Trust, Inc. or its affiliates. At December 31, 2021 and 2020, assets of consolidated VIEs totaled $10,661,081 and $8,141,069, respectively. At December 31, 2021 and 2020, liabilities of consolidated VIEs totaled $9,619,347 and $7,148,414, respectively. See Note 4 for further discussion.

Consolidated Balance Sheets (Pa

Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands		Dec. 31, 2021	Dec. 31, 2020
Fair value		$ 8,843,147	$ 6,900,362
Common stock, par value (in dollars per share)		$ 0.01	$ 0.01
Common stock, authorized (in shares)		395,000,000	395,000,000
Common stock, issued (in shares)		114,892,309	112,090,006
Common stock, outstanding (in shares)		114,892,309	112,090,006
Assets	[1]	$ 14,706,944	$ 10,355,066
Variable Interest Entity, Primary Beneficiary
Assets		10,661,081	8,141,069
Liabilities		$ 9,619,347	$ 7,148,414
[1]	Our consolidated balance sheets include assets of consolidated variable interest entities (“VIEs”) that can only be used to settle obligations of these VIEs and liabilities of consolidated VIEs for which creditors do not have recourse to Redwood Trust, Inc. or its affiliates. At December 31, 2021 and 2020, assets of consolidated VIEs totaled $10,661,081 and $8,141,069, respectively. At December 31, 2021 and 2020, liabilities of consolidated VIEs totaled $9,619,347 and $7,148,414, respectively. See Note 4 for further discussion.

Consolidated Statements of Inco

Consolidated Statements of Income (Loss) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Interest Income
Residential loans	$ 204,801	$ 222,746	$ 315,953
Business purpose loans	270,791	217,617	53,805
Multifamily loans	19,266	54,813	132,600
Real estate securities	54,704	49,605	91,822
Other interest income	25,364	27,135	28,101
Total interest income	574,926	571,916	622,281
Interest Expense
Short-term debt	(42,581)	(50,895)	(96,506)
Asset-backed securities issued	(305,801)	(299,708)	(294,466)
Long-term debt	(78,367)	(97,402)	(88,836)
Total interest expense	(426,749)	(448,005)	(479,808)
Net Interest Income	148,177	123,911	142,473
Non-interest Income (Loss)
Mortgage banking activities, net	235,744	78,472	87,266
Investment fair value changes, net	128,049	(588,438)	35,500
Other income, net	12,018	4,188	19,257
Realized gains, net	17,993	30,424	23,821
Total non-interest income (loss), net	393,804	(475,354)	165,844
General and administrative expenses	(170,859)	(115,204)	(108,737)
Loan acquisition costs	(16,336)	(11,023)	(9,935)
Other expenses	(16,695)	(108,785)	(13,022)
Net Income (Loss) before (Provision for) Benefit from Income Taxes	338,091	(586,455)	176,623
(Provision for) benefit from income taxes	(18,478)	4,608	(7,440)
Net Income (Loss)	$ 319,613	$ (581,847)	$ 169,183
Basic earnings (loss) per common share (in dollars per share)	$ 2.73	$ (5.12)	$ 1.63
Diluted earnings (loss) per common share (in dollars per share)	$ 2.37	$ (5.12)	$ 1.46
Basic weighted average shares outstanding (in shares)	113,230,190	113,935,605	101,120,744
Diluted weighted average shares outstanding (in shares)	142,070,301	113,935,605	136,780,594

Consolidated Statements of Comp

Consolidated Statements of Comprehensive Income (Loss) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Statement of Comprehensive Income [Abstract]
Net income	$ 319,613	$ (581,847)	$ 169,183
Other comprehensive (loss) income:
Net unrealized gain (loss) on available-for-sale securities	8,016	(3,951)	17,077
Reclassification of unrealized gain on available-for-sale securities to net income (loss)	(16,849)	(12,165)	(19,967)
Net unrealized loss on interest rate agreements	0	(32,806)	(16,894)
Reclassification of unrealized loss on interest rate agreements to net income	4,127	3,188	0
Total other comprehensive loss	(4,706)	(45,734)	(19,784)
Total Comprehensive Income (Loss)	$ 314,907	$ (627,581)	$ 149,399

Consolidated Statements of Chan

Consolidated Statements of Changes in Stockholders' Equity - USD ($) $ in Thousands	Total	Common Stock	Additional Paid-In Capital	Accumulated Other Comprehensive Loss	Cumulative Earnings	Cumulative Distributions to Stockholders
Beginning balance (in shares) at Dec. 31, 2018		84,884,344
Balance at beginning of period at Dec. 31, 2018	$ 1,348,794	$ 849	$ 1,811,422	$ 61,297	$ 1,409,941	$ (1,934,715)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	169,183				169,183
Other comprehensive income (loss)	(19,784)			(19,784)
Issuance of common stock (in shares)		28,724,645
Issuance of common stock	442,172	$ 288	441,884
Direct stock purchase and dividend reinvestment plan (in shares)		399,838
Direct stock purchase and dividend reinvestment plan	6,307	$ 4	6,303
Employee stock purchase and incentive plans (in shares)		344,209
Employee stock purchase and incentive plans	(4,946)	$ 3	(4,949)
Non-cash equity award compensation	14,957		14,957
Share repurchases (in shares)		0
Share repurchases	0	$ 0	0
Common dividends declared	(129,452)					(129,452)
Ending balance (in shares) at Dec. 31, 2019		114,353,036
Balance at End of Period at Dec. 31, 2019	1,827,231	$ 1,144	2,269,617	41,513	1,579,124	(2,064,167)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	(581,847)				(581,847)
Other comprehensive income (loss)	(45,734)			(45,734)
Issuance of common stock (in shares)		350,088
Issuance of common stock	5,547	$ 3	5,544
Direct stock purchase and dividend reinvestment plan (in shares)		0
Direct stock purchase and dividend reinvestment plan	0	$ 0	0
Employee stock purchase and incentive plans (in shares)		434,217
Employee stock purchase and incentive plans	(3,952)	$ 4	(3,956)
Non-cash equity award compensation	15,298		15,298
Share repurchases (in shares)		(3,047,335)
Share repurchases	(21,659)	$ (30)	(21,629)
Common dividends declared	(83,985)					(83,985)
Ending balance (in shares) at Dec. 31, 2020		112,090,006
Balance at End of Period at Dec. 31, 2020	1,110,899	$ 1,121	2,264,874	(4,221)	997,277	(2,148,152)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	319,613				319,613
Other comprehensive income (loss)	(4,706)			(4,706)
Issuance of common stock (in shares)		2,503,662
Issuance of common stock	34,708	$ 25	34,683
Direct stock purchase and dividend reinvestment plan (in shares)		119,040
Employee stock purchase and incentive plans (in shares)		298,641
Employee stock purchase and incentive plans	(1,657)	$ 3	(1,660)
Non-cash equity award compensation	18,902		18,902
Share repurchases (in shares)		0
Share repurchases	0	$ 0	0
Common dividends declared	(91,672)					(91,672)
Ending balance (in shares) at Dec. 31, 2021		114,892,309
Balance at End of Period at Dec. 31, 2021	$ 1,386,087	$ 1,149	$ 2,316,799	$ (8,927)	$ 1,316,890	$ (2,239,824)

Consolidated Statements of Ch_2

Consolidated Statements of Changes in Stockholders' Equity (Parenthetical) - $ / shares	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Statement of Stockholders' Equity [Abstract]
Common dividends declared (in dollars per share)	$ 0.780	$ 0.725	$ 1.20

Consolidated Statements of Cash

Consolidated Statements of Cash Flows - USD ($) $ in Thousands		12 Months Ended
		Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Cash Flows From Operating Activities:
Net income		$ 319,613	$ (581,847)	$ 169,183
Adjustments to reconcile net income (loss) to net cash used in operating activities:
Amortization of premiums, discounts, and debt issuance costs, net		(9,789)	8,550	(5,066)
Depreciation and amortization of non-financial assets		16,784	17,365	10,133
Originations of held-for-sale loans		(1,258,115)	(1,004,058)	(569,915)
Purchases of held-for-sale loans		(13,188,434)	(4,431,468)	(5,823,547)
Proceeds from sales of held-for-sale loans		8,639,769	4,776,469	5,198,089
Principal payments on held-for-sale loans		84,244	62,736	106,183
Net settlements of derivatives		44,755	(201,036)	(66,059)
Non-cash equity award compensation expense		18,902	15,298	14,957
Goodwill impairment expense		0	88,675	0
Market valuation adjustments		(321,433)	541,399	(97,006)
Realized gains, net		(17,993)	(30,424)	(23,821)
Net change in:
Accrued interest receivable and other assets		(64,835)	301,381	(83,210)
Accrued interest payable, deferred tax liabilities, and accrued expenses and other liabilities		41,967	(68,507)	4,502
Net cash used in operating activities		(5,694,565)	(505,467)	(1,165,577)
Cash Flows From Investing Activities:
Originations of loans held-for-investment		(894,908)	(426,404)	(448,189)
Purchases of loans held-for-investment		(65,315)	0	(49,489)
Proceeds from sales of loans held-for-investment		9,484	1,574,160	9,422
Principal payments on loans held-for-investment		2,601,416	2,256,196	1,751,303
Purchases of real estate securities		(68,643)	(112,626)	(345,403)
Sales of multifamily securities held in consolidated securitization trusts		8,197	142,990	0
Proceeds from sales of real estate securities		39,652	658,899	707,357
Principal payments on real estate securities		60,667	27,210	84,303
Purchases of servicer advance investments		(196,583)	(179,419)	(69,610)
Principal repayments from servicer advance investments		76,223	107,527	203,876
Acquisition of 5 Arches, net of cash acquired		0	0	(3,714)
Acquisition of CoreVest, net of cash acquired		0	0	(451,626)
Equity investment		0	40,226	(40,467)
Purchases of home equity investments, net		(133,547)	734	0
Other investing activities, net		(32,547)	(19,079)	(29,468)
Net cash provided by investing activities		1,404,096	4,070,414	1,025,862
Cash Flows From Financing Activities:
Proceeds from borrowings on short-term debt		13,235,028	5,496,761	6,452,566
Repayments on short-term debt		(11,404,475)	(7,303,543)	(7,193,677)
Proceeds from issuance of asset-backed securities		4,472,071	1,684,778	1,397,126
Repayments on asset-backed securities issued		(1,989,762)	(1,493,438)	(1,123,119)
Proceeds from issuance of long-term debt		1,455,383	1,473,590	387,053
Deferred debt issuance costs		(4,089)	(10,244)	(7,023)
Repayments on long-term debt		(1,421,662)	(2,974,795)	(1,137)
Net settlements of derivatives		0	(84,336)	0
Net proceeds from issuance of common stock		21,944	5,881	450,710
Net payments on repurchase of common stock		0	(21,659)	0
Taxes paid on equity award distributions		(2,267)	(4,286)	(5,471)
Dividends paid		(91,672)	(83,985)	(129,452)
Other financing activities, net		7,004	3,946	(2,105)
Net cash provided by (used in) financing activities		4,277,503	(3,311,330)	225,471
Net (decrease) increase in cash and cash equivalents		(12,966)	253,617	85,756
Cash, cash equivalents and restricted cash at beginning of period	[1]	544,450	290,833	205,077
Cash, cash equivalents and restricted cash at end of period	[1]	531,484	544,450	290,833
Cash paid during the period for:
Interest		400,836	456,147	452,216
Taxes		43,144	1,190	7,963
Supplemental Noncash Information:
Real estate securities retained from loan securitizations		9,375	53,276	13,729
Retention of mortgage servicing rights from loan securitizations and sales		7,065	0	868
Consolidation of residential loans held in securitization trust		0	0	1,190,995
Consolidation of residential ABS issued		0	0	997,783
(Deconsolidation) consolidation of multifamily loans held in securitization trusts		0	3,849,779	2,162,385
(Deconsolidation) consolidation of multifamily ABS issued		0	3,706,789	2,058,214
Consolidation of single-family rental loans held in securitization trusts		0	0	1,829,281
Consolidation of single-family rental ABS issued		0	0	1,656,023
Transfers from loans held-for-sale to loans held-for-investment		5,026,723	1,868,656	1,801,560
Transfers from loans held-for-investment to loans held-for-sale		92,400	64,520	22,808
Transfers from residential loans to real estate owned		40,038	14,229	8,609
Issuance of common stock for 5 Arches acquisition		13,375	3,375	0
Operating lease right-of-use assets obtained in exchange for operating lease liabilities		6,977	7,862	13,094
Reduction in operating lease liabilities due to lease modification		0	1,722	0
Residential Loans
Cash Flows From Investing Activities:
Purchases of securities held in consolidated securitization trusts		0	0	(193,212)
Multifamily securities
Cash Flows From Investing Activities:
Purchases of securities held in consolidated securitization trusts		$ 0	$ 0	$ (99,221)
[1]	Cash, cash equivalents, and restricted cash at December 31, 2021 included cash and cash equivalents of $450 million and restricted cash of $81 million; at December 31, 2020 included cash and cash equivalents of $461 million and restricted cash of $83 million; and at December 31, 2019 included cash and cash equivalents of $197 million and restricted cash of $94 million.

Consolidated Statements of Ca_2

Consolidated Statements of Cash Flows (Parenthetical) - USD ($) $ in Thousands	Dec. 31, 2021	[1]	Dec. 31, 2020	[1]	Dec. 31, 2019
Statement of Cash Flows [Abstract]
Cash and cash equivalents	$ 450,485		$ 461,260		$ 197,000
Restricted cash	$ 80,999		$ 83,190		$ 94,000
[1]	Our consolidated balance sheets include assets of consolidated variable interest entities (“VIEs”) that can only be used to settle obligations of these VIEs and liabilities of consolidated VIEs for which creditors do not have recourse to Redwood Trust, Inc. or its affiliates. At December 31, 2021 and 2020, assets of consolidated VIEs totaled $10,661,081 and $8,141,069, respectively. At December 31, 2021 and 2020, liabilities of consolidated VIEs totaled $9,619,347 and $7,148,414, respectively. See Note 4 for further discussion.

Organization

Organization	12 Months Ended
	Dec. 31, 2021
Accounting Policies [Abstract]
Organization	Organization Redwood Trust, Inc., together with its subsidiaries, is a specialty finance company focused on several distinct areas of housing credit. Our operating platforms occupy a unique position in the housing finance value chain, providing liquidity to growing segments of the U.S. housing market not well served by government programs. We deliver customized housing credit investments to a diverse mix of investors through our best-in-class securitization platforms, whole-loan distribution activities and our publicly-traded securities. Our aggregation, origination and investment activities have evolved to incorporate a diverse mix of residential, business purpose and multifamily assets. Our goal is to provide attractive returns to shareholders through a stable and growing stream of earnings and dividends, capital appreciation, and a commitment to technological innovation that facilitates risk-minded scale. We operate our business in three segments: Residential Mortgage Banking, Business Purpose Mortgage Banking, and Investment Portfolio. Our primary sources of income are net interest income from our investments and non-interest income from our mortgage banking activities. Net interest income primarily consists of the interest income we earn on investments less the interest expense we incur on borrowed funds and other liabilities. Income from mortgage banking activities is generated through the origination and acquisition of loans, and their subsequent sale, securitization, or transfer to our investment portfolios. Redwood Trust, Inc. has elected to be taxed as a real estate investment trust (“REIT”) under the Internal Revenue Code of 1986, as amended (the “Internal Revenue Code”), beginning with its taxable year ended December 31, 1994. We generally refer, collectively, to Redwood Trust, Inc. and those of its subsidiaries that are generally not subject to subsidiary-level corporate income tax as “the REIT” or “our REIT.” We generally refer to subsidiaries of Redwood Trust, Inc. that are subject to subsidiary-level corporate income tax as “our taxable REIT subsidiaries” or “TRS.” Redwood was incorporated in the State of Maryland on April 11, 1994, and commenced operations on August 19, 1994. On March 1, 2019, Redwood completed the acquisition of 5 Arches, LLC ("5 Arches"), at which time 5 Arches became a wholly-owned subsidiary of Redwood. On October 15, 2019, Redwood acquired CoreVest American Finance Lender, LLC and certain affiliated entities ("CoreVest"), at which time CoreVest became wholly owned by Redwood. The operations of 5 Arches were subsequently combined with those of CoreVest under the CoreVest brand. References herein to “Redwood,” the “company,” “we,” “us,” and “our” include Redwood Trust, Inc. and its consolidated subsidiaries, unless the context otherwise requires. In statements regarding qualification as a REIT, such terms refer solely to Redwood Trust, Inc. Refer to Item 1 - Business in this Annual Report on Form 10-K for additional information on our business.

Basis of Presentation

Basis of Presentation	12 Months Ended
	Dec. 31, 2021
Accounting Policies [Abstract]
Basis of Presentation	Basis of Presentation The consolidated financial statements presented herein are at December 31, 2021 and 2020, and for the years ended December 31, 2021, 2020, and 2019. These consolidated financial statements have been prepared in accordance with U.S. generally accepted accounting principles ("GAAP") — as prescribed by the Financial Accounting Standards Board’s (“FASB”) Accounting Standards Codification (“ASC”) — and the rules and regulations of the Securities and Exchange Commission ("SEC"). In the opinion of management, all normal and recurring adjustments to present fairly the financial condition of the Company at December 31, 2021 and 2020, and results of operations for all periods presented have been made. Principles of Consolidation In accordance with GAAP, we determine whether we must consolidate transferred financial assets and variable interest entities (“VIEs”) for financial reporting purposes. We currently consolidate the assets and liabilities of certain Sequoia securitization entities issued prior to 2012 ("Legacy Sequoia"), certain entities formed during and after 2012 in connection with the securitization of Redwood Select prime loans and Redwood Choice expanded-prime loans ("Sequoia"), entities formed in connection with the securitization of CoreVest single-family rental and bridge loans ("CAFL"), and beginning in the third quarter of 2021, an entity ("Point HEI") formed in connection with the securitization of home equity investment contracts ("HEIs"). We also consolidate the assets and liabilities of certain Freddie Mac K-Series and Freddie Mac Seasoned Loans Structured Transaction ("SLST") securitizations in which we have invested. Each securitization entity is independent of Redwood and of each other and the assets and liabilities are not owned by and are not legal obligations of Redwood Trust, Inc. Our exposure to these entities is primarily through the financial interests we have purchased or retained, although for certain entities we are exposed to financial risks associated with our role as a sponsor or co-sponsor, servicing administrator, collateral administrator or depositor of these entities or as a result of our having sold assets directly or indirectly to these entities. For financial reporting purposes, the underlying loans owned at the consolidated Legacy Sequoia, Sequoia and Freddie Mac SLST entities are shown under Residential loans held-for-investment, at fair value, the underlying loans at the consolidated Freddie Mac K-Series entity are shown under Multifamily loans held-for-investment, at fair value, the underlying single-family rental and bridge loans at the consolidated CAFL entities are shown under Business purpose loans held-for-investment, at fair value, and the underlying HEIs at the consolidated Point HEI entity are shown under Other investments, at fair value on our consolidated balance sheets. The asset-backed securities (“ABS”) issued to third parties by these entities are shown under ABS issued. In our consolidated statements of income (loss), we recorded interest income on the loans owned at these entities and interest expense on the ABS issued by these entities as well as fair value changes, other income and expenses associated with these entities' activities. See Note 14 for further discussion on ABS issued. We also consolidate two partnerships ("Servicing Investment" entities) through which we have invested in servicing-related assets. We maintain an 80% ownership interest in each entity and have determined that we are the primary beneficiary of these partnerships. During the first quarter of 2020, we sold subordinate securities (and transferred directing certificate holder status as a result of these sales) issued by four of these Freddie Mac K-Series securitization trusts and determined that we should derecognize the associated assets and liabilities of each of these entities for financial reporting purposes. We deconsolidated $3.86 billion of multifamily loans and other assets and $3.72 billion of multifamily ABS issued and other liabilities, for which we realized market valuation losses of $72 million, which were recorded through Investment fair value changes, net on our consolidated statements of income (loss) for the three months ended March 31, 2020. Beginning in the first quarter of 2019, we consolidated 5 Arches, an originator of business purpose loans, pursuant to the exercise of our purchase option and the acquisition of the remaining equity in the company. In the fourth quarter of 2019, we acquired and consolidated CoreVest, an originator and portfolio manager of business purpose loans. See Note 4 for further discussion on principles of consolidation. Use of Estimates The preparation of financial statements requires us to make a number of significant estimates. These include estimates of fair value of certain assets and liabilities, amounts and timing of credit losses, prepayment rates, and other estimates that affect the reported amounts of certain assets and liabilities as of the date of the consolidated financial statements and the reported amounts of certain revenues and expenses during the reported periods. It is likely that changes in these estimates (e.g., valuation changes due to supply and demand, credit performance, prepayments, interest rates, or other reasons) will occur in the near term. Our estimates are inherently subjective in nature and actual results could differ from our estimates and the differences could be material. Acquisitions In May 2018, Redwood acquired a 20% minority interest in 5 Arches, an originator of business purpose loans, for $10 million in cash, with a one-year option to purchase all remaining equity in the company. On March 1, 2019, we completed the acquisition of the remaining 80% interest in 5 Arches. At closing, we paid approximately $13 million of cash, with the remaining $27 million in consideration paid in a mix of cash and Redwood common stock over the subsequent two-year period. In October 2019, we acquired CoreVest, an originator and portfolio manager of business purpose loans. Aggregate consideration for this acquisition totaled approximately $492 million, net of in-place financing on existing assets. The consideration consisted of $482 million of cash and $10 million of restricted stock awards issued to the CoreVest management team. Based on the terms of the equity interest purchase agreement, we determined that the $10 million of shares should be accounted for as compensation expense for post-combination services, and therefore, it is not included in the GAAP purchase price allocated to the assets and liabilities acquired. See Note 21 for additional information related to the restricted stock awards issued in connection with the CoreVest acquisition. During 2019, we accounted for the acquisitions of 5 Arches and CoreVest under the acquisition method of accounting pursuant to ASC 805. We performed the purchase price allocations and recorded underlying assets acquired and liabilities assumed based on their estimated fair values using the information available as of each acquisition date, with the excess of the purchase price allocated to goodwill. Through December 31, 2021, there were no changes to our purchase price allocations, which are summarized in the following table. Table 2.1 – Purchase Price Allocations (In Thousands) 5 Arches CoreVest Acquisition Date March 1, 2019 October 15, 2019 Purchase price: Cash $ 12,575 $ 482,311 Contingent consideration, at fair value 24,621 — Purchase option, at fair value 5,082 — Equity method investment, at fair value 8,052 — Total consideration $ 50,330 $ 482,311 Allocated to: Business purpose loans, at fair value $ 2,022 $ 2,610,490 Cash and cash equivalents 2,128 30,685 Restricted cash 9,082 — Other assets 5,473 67,420 Goodwill 28,747 59,928 Intangible assets 24,800 56,500 Deferred tax asset — 2,577 Total assets acquired 72,252 2,827,600 Asset-backed securities issued, at fair value — 1,656,023 Short-term debt, net 3,800 663,275 Accrued expenses and other liabilities 13,920 25,991 Deferred tax liability 4,202 — Total liabilities assumed 21,922 2,345,289 Total net assets acquired $ 50,330 $ 482,311 Because we owned a 20% non-controlling interest in 5 Arches immediately before obtaining full control, we remeasured our initial minority investment and purchase option at their acquisition-date fair values using the income approach, which resulted in a gain of $2 million that was recorded in Other income on our consolidated statements of income (loss) during the three months ended March 31, 2019. We recognized $2 million of acquisition costs related our acquisitions of 5 Arches and CoreVest during the year ended December 31, 2019. These costs primarily related to accounting, consulting, and legal expenses and are included in our General and administrative expenses on our consolidated statements of income (loss). In connection with the acquisitions of 5 Arches and CoreVest, we identified and recorded finite-lived intangible assets totaling $25 million and $57 million, respectively. The table below presents the amortization period and carrying value of our intangible assets, net of accumulated amortization at December 31, 2021 and 2020. Table 2.2 – Intangible Assets – Activity Intangible Assets at Acquisition Accumulated Amortization at December 31, 2021 Carrying Value at December 31, 2021 Weighted Average Amortization Period (in years) (Dollars in Thousands) Borrower network $ 45,300 $ (14,291) $ 31,009 7 Broker network 18,100 (10,257) 7,843 5 Non-compete agreements 9,500 (7,597) 1,903 3 Tradenames 4,000 (3,194) 806 3 Developed technology 1,800 (1,800) — 2 Loan administration fees on existing loan assets 2,600 (2,600) — 1 Total $ 81,300 $ (39,739) $ 41,561 6 Intangible Assets at Acquisition Accumulated Amortization at December 31, 2020 Carrying Value at December 31, 2020 Weighted Average Amortization Period (in years) (Dollars in Thousands) Borrower network $ 45,300 $ (7,819) $ 37,481 7 Broker network 18,100 (6,637) 11,463 5 Non-compete agreements 9,500 (4,431) 5,069 3 Tradenames 4,000 (1,860) 2,140 3 Developed technology 1,800 (1,088) 712 2 Loan administration fees on existing loan assets 2,600 (2,600) — 1 Total $ 81,300 $ (24,435) $ 56,865 6 All of our intangible assets are amortized on a straight-line basis. For the years ended December 31, 2021 and 2020, we recorded intangible asset amortization expense of $15 million and $16 million, respectively. Estimated future amortization expense is summarized in the table below. Table 2.3 – Intangible Asset Amortization Expense by Year (In Thousands) December 31, 2021 2022 $ 12,800 2023 10,091 2024 7,073 2025 6,471 2026 5,126 Total Future Intangible Asset Amortization $ 41,561 We recorded total goodwill of $89 million in 2019 as a result of the total consideration exceeding the fair value of the net assets acquired from 5 Arches and CoreVest. The goodwill was attributed to the expected business synergies and expansion into business purpose loan markets, as well as access to the knowledgeable and experienced workforces continuing to provide services to the business. Of the total goodwill recorded, $75 million is deductible for tax purposes. For reporting purposes, we included the intangible assets and goodwill from these acquisitions within the Business Purpose Lending segment. During the first quarter of 2020, as a result of the deterioration in economic conditions caused by the spread of the COVID-19 pandemic (the "pandemic"), and its impact on our business, including a significant decline in the market price of our common stock, we determined that it was more likely than not that the fair value of our Business Purpose Mortgage Banking reporting unit was lower than its carrying amount, including goodwill. Based on this analysis, we determined that an interim goodwill impairment test should be performed as of March 31, 2020 and prepared updated cash flow projections for the reporting unit, resulting in a reduction in the long-term forecasts of profitability for our Business Purpose Mortgage Banking reporting unit as compared to the prior year forecasts. Using these projections, we concluded that the fair value of our Business Purpose Mortgage Banking reporting unit was less than its carrying value, including goodwill. As a result of this evaluation, we recorded a non-cash $89 million goodwill impairment expense through Other expenses on our consolidated statements of income (loss) during the three months ended March 31, 2020. In conjunction with our assessment of goodwill, we also assessed our intangible assets for impairment at March 31, 2020 and determined they were not impaired. On a quarterly basis, we evaluate our finite-lived intangible assets for impairment indicators and additionally evaluate the useful lives of our intangible assets to determine if revisions to the remaining periods of amortization are warranted. We reviewed our finite-lived intangible assets and determined that the estimated lives were appropriate and that there were no indicators of impairment at December 31, 2021. The following unaudited pro forma financial information presents Net interest income, Non-interest income, and Net income of Redwood, 5 Arches, and CoreVest combined, for the year ended December 31, 2019, as if the acquisitions occurred as of January 1, 2018. These pro forma amounts have been adjusted to include the amortization of intangible assets and acquisition-related compensation expense for both periods, and to exclude the income statement impacts related to our equity method investment in 5 Arches. The unaudited pro forma financial information is not intended to represent or be indicative of the consolidated financial results of operations that would have been reported if the acquisitions had been completed as of January 1, 2018 and should not be taken as indicative of our future consolidated results of operations. Table 2.4 – Unaudited Pro Forma Financial Information Year Ended (In Thousands) December 31, 2019 Supplementary pro forma information: Net interest income $ 167,680 Non-interest income 193,519 Net income 185,896

Summary of Significant Accounti

Summary of Significant Accounting Policies	12 Months Ended
	Dec. 31, 2021
Accounting Policies [Abstract]
Summary of Significant Accounting Policies	Summary of Significant Accounting Policies Significant Accounting Policies Business Combinations We use the acquisition method of accounting for business combinations, under which the purchase price is allocated to the fair values of the assets acquired and liabilities assumed at the acquisition date. The excess of the purchase price over the amount allocated to the assets acquired and liabilities assumed is recorded as goodwill. Acquisition-related costs are expensed as incurred. Fair Value Measurements Our consolidated financial statements include assets and liabilities that are measured at their estimated fair values in accordance with GAAP. A fair value measurement represents the price at which an orderly transaction would occur between willing market participants at the measurement date. We develop fair values for financial assets or liabilities based on available inputs and pricing that is observed in the marketplace. After considering all available indications of the appropriate rate of return that market participants would require, we consider the reasonableness of the range indicated by the results to determine an estimate that is most representative of fair value. The markets for many of the assets that we invest in and issue are generally illiquid. Establishing fair values for illiquid assets and liabilities is inherently subjective and is often dependent upon our estimates and modeling assumptions. If we determine that either the volume and/or level of trading activity for an asset or liability has significantly decreased from normal market conditions, or price quotations or observable inputs are not associated with orderly transactions, the market inputs that we obtain might not be relevant. For example, broker or pricing service quotes might not be relevant if an active market does not exist for the financial asset or liability. The nature of the quote (for example, whether the quote is an indicative price or a binding offer) is also evaluated. In circumstances where relevant market inputs cannot be obtained, increased analysis and management judgment are required to estimate fair value. This generally requires us to establish internal assumptions about future cash flows and appropriate risk-adjusted discount rates. Regardless of the valuation inputs we apply, the objective of fair value measurement for assets is unchanged from what it would be if markets were operating at normal activity levels and/or transactions were orderly; that is, to determine the current exit price. See Note 5 for further discussion on fair value measurements. Fair Value Option We have the option to measure eligible financial assets, financial liabilities, and commitments at fair value on an instrument-by-instrument basis. This option is available when we first recognize a financial asset or financial liability or enter into a firm commitment. Subsequent changes in the fair value of assets, liabilities, and commitments where we have elected the fair value option are recorded in our consolidated statements of income (loss). We elect the fair value option for certain residential loans, business purpose loans, interest-only (“IO”) and certain subordinate securities, MSRs, servicer advance investments, excess MSRs, and certain of our other investments. We generally elect the fair value option for residential and single-family rental loans that are held-for-sale, due to our intent to sell or securitize the loans in the near-term. We elect the fair value option for our IO and certain subordinate securities, and MSRs, for which we may hedge market interest rate risk. In addition, we elect the fair value option for the assets and liabilities of our consolidated Sequoia, Freddie Mac SLST, Freddie Mac K-Series, CAFL SFR, and Point HEI entities in accordance with GAAP accounting for collateralized financing entities ("CFEs"). See Note 5 for further discussion on the fair value option. Real Estate Loans Residential Loans - Held-for-Sale at Fair Value Residential loans held-for-sale include loans that we are marketing for sale to third parties, including transfers to securitization entities that we plan to sponsor. We generally elect the fair value option for residential loans that we purchase with the intent to sell to third parties or transfer to Sequoia securitizations. Coupon interest is recognized as revenue when earned and deemed collectible or until a loan becomes more than 90 days past due, at which point the loan is placed on nonaccrual status and any accrued interest is reversed against interest income. When a seriously delinquent loan previously placed on nonaccrual status has cured, meaning all delinquent principal and interest have been remitted by the borrower, the loan is placed back on accrual status. Changes in fair value for these loans are recurring and are reported through our consolidated statements of income (loss) in Mortgage banking activities, net. Residential Loans - Held-for-Investment At Fair Value Certain loans that were originally purchased with the intent to sell as part of our residential mortgage banking operations, and for which we elected the fair value option at acquisition, were subsequently reclassified to held-for-investment ("HFI"). Coupon interest is recognized as revenue when earned and deemed collectible or until a loan becomes more than 90 days past due, at which point the loan is placed on nonaccrual status and any accrued interest is reversed against interest income. When a seriously delinquent loan previously placed on nonaccrual status has cured, meaning all delinquent principal and interest have been remitted by the borrower, the loan is placed back on accrual status. During 2020, we completed the sale of all of our residential loans previously held for investment at Redwood and had no residential loans held-for-investment at Redwood at December 31, 2021 and 2020. In addition, we record residential loans held at consolidated Sequoia and Freddie Mac SLST entities at fair value. In accordance with accounting guidance for CFEs, we use the fair value of the ABS issued by these entities (which we determined to be more observable) to determine the fair value of the loans held at these entities. Coupon interest for these loans is recognized as revenue when earned and deemed collectible. Changes in fair value for these loans are recurring and are reported through our consolidated statements of income (loss) in Investment fair value changes, net. Business Purpose Loans - Held-for-Sale at Fair Value We originate or purchase business purpose loans, including single-family rental loans through our business purpose lending platform. Single-family rental loans are mortgage loans secured by residential real estate (primarily 1-4 unit) that the borrower owns as an investment property and rents to residential tenants. We classify single-family rental loans as held-for-sale at fair value when we originate these loans with the intent to transfer to securitization entities or sell to third parties. Coupon interest for these loans is recognized as revenue when earned and deemed collectible or until a loan becomes more than 90 days past due, at which point the loan is placed on nonaccrual status and any accrued interest is reversed against interest income. When a seriously delinquent loan previously placed on nonaccrual status has cured, meaning all delinquent principal and interest have been remitted by the borrower, the loan is placed back on accrual status. Changes in fair value are recurring and reported through our consolidated statements of income (loss) in Mortgage banking activities, net. Business Purpose Loans - Held-for-Investment at Fair Value We also originate or purchase bridge loans through our business purpose lending platform. Business purpose bridge loans are mortgage loans generally secured by unoccupied residential or small-balance multifamily real estate that the borrower owns as an investment and that is being renovated, rehabilitated or constructed. Bridge loans are classified as held-for-investment at fair value if we intend to hold these loans to maturity. Coupon interest for these loans is recognized as revenue when earned and deemed collectible or until a loan becomes more than 90 days past due, at which point the loan is placed on nonaccrual status and any accrued interest is reversed against interest income. When a seriously delinquent loan previously placed on nonaccrual status has cured, meaning all delinquent principal and interest have been remitted by the borrower, the loan is placed back on accrual status. Changes in fair value for these loans are recurring and are reported through our consolidated statements of income (loss) in Investment fair value changes, net. In addition, we record loans held at consolidated CAFL SFR entities at fair value. In accordance with accounting guidance for CFEs, we use the fair value of the ABS issued by these entities (which we determined to be more observable) to determine the fair value of the loans held at these entities. Coupon interest for these loans is recognized as revenue based on amounts expected to be paid to the securities issued by these entities. Changes in fair value for these loans and related ABS are recurring and are reported through our consolidated statements of income (loss) in Investment fair value changes, net. Multifamily Loans, Held-for-Investment at Fair Value Multifamily loans are mortgage loans secured by multifamily properties, held in a Freddie Mac-sponsored K-series securitization trust that we consolidate. In accordance with accounting guidance for CFEs, we use the fair value of the ABS issued by the Freddie Mac K-Series entity (which we determined to be more observable) to determine the fair value of the loans. Coupon interest for these loans is recognized as revenue based on amounts expected to be paid to the securities issued by this entity. Changes in fair value for the loans and related ABS are recurring and are reported through our consolidated statements of income (loss) in Investment fair value changes, net. Repurchase Reserves We sell and have sold residential and business purpose mortgage loans to various parties, including (1) securitization trusts, and (2) banks and other financial institutions that purchase mortgage loans for investment or private label securitization. We may be required to repurchase mortgage loans we have sold, or loans associated with MSRs we have purchased, in the event of a breach of specified contractual representations and warranties made in connection with these sales and purchases. Additionally, we generally have a direct obligation to repurchase residential whole loans we sell in the event of any early payment defaults (or EPDs) by the underlying mortgage borrowers within certain specified periods following the sales. We do not originate residential mortgage loans and believe the initial risk of loss due to loan repurchases (i.e., due to a breach of representations and warranties) would generally be a contingency to the companies from whom we acquired the loans or MSRs. However, in some cases, such as where loans or MSRs were acquired from companies that have since become insolvent, we may have to bear the loss associated with a loan repurchase. Furthermore, even if we do not have to ultimately bear such a loss because we can recover from the company that sold us the loan or the MSR, there could be a delay in making that recovery. We establish reserves for mortgage repurchase liabilities related to various representations and warranties that reflect management’s estimate of losses for loans for which we could have a repurchase obligation, based on a combination of factors. Such factors can include estimated future defaults and loan repurchase rates, the potential severity of loss in the event of defaults, and the probability of our being liable for a repurchase obligation. We establish a reserve at the time loans are sold and MSRs are purchased and continually update our reserve estimate during its life. The reserve for mortgage loan repurchase losses is included in other liabilities on our consolidated balance sheets and the related expense is included as a component of Mortgage banking activities, net on our consolidated statements of income (loss). See Note 16 for further discussion on the residential repurchase reserves. Real Estate Securities, at Fair Value Our securities primarily consist of mortgage-backed securities (“MBS”) collateralized by residential loans, re-performing loans ("RPL") and multifamily mortgage loans. We classify our real estate securities as trading or available-for-sale securities. Trading Securities We primarily denote trading securities as those securities where we have adopted the fair value option. Trading securities are carried at their estimated fair values. Coupon interest is recognized as interest income when earned and deemed collectible. Changes in the fair value of securities designated as trading securities are reported in Investment fair value changes, net on our consolidated statements of income (loss). Available-for-Sale Securities AFS securities are carried at their estimated fair value with unrealized gains and losses excluded from earnings (except when an allowance for credit losses is recognized, as discussed below) and reported in Accumulated other comprehensive income (loss) (“AOCI”), a component of stockholders’ equity. Interest income on AFS securities is accrued based on their outstanding principal balance and contractual terms and interest income is recognized based on the security’s effective interest rate. In order to calculate the effective interest rate, we must project cash flows over the remaining life of each security and make assumptions with regards to interest rates, prepayment rates, the timing and amount of credit losses, estimated call dates and other factors. On at least a quarterly basis, we review and, if appropriate, make adjustments to our cash flow projections based on input and analysis received from external sources, internal models, and our own judgments about interest rates, prepayment rates, the timing and amount of credit losses, and other factors. Changes in cash flows from those originally projected, or from those estimated at the last evaluation, may result in a prospective change in the yield and interest income recognized on these securities or in the recognition of an allowance for credit losses as discussed below. For AFS securities purchased and held at a discount, a portion of the discount may be designated as non-accretable purchase discount (“credit reserve”), based on the cash flows we have projected for the security. The amount designated as credit reserve may be adjusted over time, based on our periodic evaluation of projected cash flows. If the performance of a security with a credit reserve is more favorable than previously forecasted, a portion of the credit reserve may be reallocated to accretable discount and recognized into interest income over time. Conversely, if the performance of a security with a credit reserve is less favorable than forecasted, the amount designated as credit reserve may be increased, or impairment charges and write-downs of such securities to a new cost basis could result. Upon adoption of ASU 2016-13, "Financial Instruments - Credit Losses" in the first quarter of 2020, we modified our policy for recording impairments on available-for-sale securities. This guidance requires that credit impairments on our available-for-sale securities be recorded in earnings using an allowance for credit losses, with the allowance limited to the amount by which the security's fair value is less than its amortized cost basis. The allowance for credit losses is calculated using a discounted cash flow approach and is measured as the difference between the beneficial interest’s amortized cost and the estimate of cash flows expected to be collected, discounted at the effective interest rate used to accrete the beneficial interest. Any allowance for credit losses in excess of the unrealized losses on the beneficial interests are accounted for as a prospective reduction of the effective interest rate. No allowance is recorded for beneficial interests in an unrealized gain position. Favorable changes in the discounted cash flows will result in a reduction in the allowance for credit losses, if any. Any reduction in allowance for credit losses is recorded in earnings. If the allowance for credit losses has been reduced to zero, the remaining favorable changes are reflected as a prospective increase to the effective interest rate. If we intend to sell or it is more likely than not that we will be required to sell the security before it recovers in value, the entire impairment amount will be recognized in earnings with a corresponding adjustment to the security's amortized cost basis. See Note 9 for further discussion on real estate securities. Other Investments Strategic Investments We have made and may make additional strategic investments in companies through our RWT Horizons venture investment strategy or at a corporate level. These investments can take the form of equity or debt and often have conversion features. Depending on the terms of the investments, we may account for these investments under the fair value option or as non-marketable equity securities under the equity method of accounting or the measurement alternative (to the extent they do not have a “readily determinable fair value,” or are not traded in a verifiable public market or are restricted for sale in the public market by a restricted stock legend or otherwise). Investments accounted for under the fair value option are carried at fair value with periodic changes in value recorded through Investment fair value changes on our consolidated statements of income (loss). For non-marketable securities, we utilize the equity method of accounting when we are able to exert significant influence over but do not control the activities of the investee. Under the equity method of accounting, we generally elect to record our share of earnings or losses from equity method investments on a one- quarter lag, based on availability of financial information from investees, and we assess our investments for impairment whenever events or changes in circumstances indicate that the carrying amount of our investment might not be recoverable. Income from equity method investments is recorded in Other income, net on our consolidated statements of income (loss). Under the measurement alternative, the carrying value of our investment is measured at cost, less any impairment, plus or minus changes resulting from observable price changes in orderly transactions for the identical or a similar investment of the same issuer. Adjustments are determined primarily based on a market approach as of the transaction date and are recorded as a component of Other income, net on our consolidated statements of income (loss). Servicer Advance Investments Our servicer advance investments are comprised of outstanding servicer advances receivable, the requirement to purchase all future servicer advances made with respect to a specified pool of residential mortgage loans and a fee component of the related MSR. We have elected to record these investments at fair value. We recognize income from our servicer advance investments when earned and deemed collectible and record the income as a component of Other interest income in our consolidated statements of income (loss). Our servicer advance investments are marked-to-market on a recurring basis with changes in the fair value reported in Investment fair value changes, net on our consolidated statements of income (loss). See Note 10 for further discussion on our servicer advance investments. MSRs We recognize MSRs through the retention of servicing rights associated with residential mortgage loans that we acquired and subsequently transferred to third parties when the transfer meets the GAAP criteria for sale accounting, or through the direct acquisition of MSRs sold by third parties. We contract with licensed sub-servicers to perform servicing functions for loans associated with our MSRs. We have elected the fair value option for all of our MSRs, and they are initially recognized and subsequently carried at their estimated fair values. Servicing fee income from MSRs is recorded on a cash basis when received. Net servicing income and changes in the estimated fair value of MSRs are reported in Other income on our consolidated statements of income (loss). See Note 10 for further discussion on MSRs. Excess MSRs Our excess MSR investments represent the right to receive a portion of mortgage servicing cash flows in excess of amounts paid for the underlying mortgage loans to be serviced. As owners of excess MSRs, we are not required to be a licensed servicer, and we are not required to assume any servicing duties, advance obligations or liabilities associated with the loan pool underlying the MSR. We have elected to record these investments at fair value. We recognize income from Excess MSRs when it is earned and deemed collectible and record the income as a component of Other interest income in our consolidated statements of income (loss). Changes in fair value are recurring and are reported through our consolidated statements of income (loss) in Investment fair value changes, net. See Note 10 for further discussion on excess MSRs. Home Equity Investment Contracts During 2019, we began investing in HEIs that allow us to share in both home price appreciation and depreciation. We have elected to record these investments at fair value and report changes in fair value through Investment fair value changes, net on our consolidated statements of income (loss). In addition, we record HEIs held at a consolidated Point HEI securitization entity at fair value. In accordance with accounting guidance for CFEs, we use the fair value of the ABS issued by this entity (which we determined to be more observable) to determine the fair value of the HEIs held at this entity. Changes in fair value of the HEI assets held by this entity and the ABS issued by this entity (including the interest expense component of the ABS issued) is recorded through investment fair value changes on our consolidated statements of income (loss). See Note 10 for further discussion on HEIs. Cash and Cash Equivalents Cash and cash equivalents include non-restricted cash and highly liquid investments with original maturities of three months or less and money market fund investments which are generally invested in U.S. government securities and are available to us on a daily basis. The Company maintains its cash and cash equivalents with major financial institutions. Accounts at these institutions are guaranteed by the Federal Deposit Insurance Corporation (“FDIC”) up to $250,000 for each bank. The Company is exposed to credit risk for amounts held in excess of the FDIC limit. The Company does not anticipate nonperformance by these institutions. Restricted Cash Restricted cash primarily includes cash held at our consolidated Servicing Investment entities, and cash associated with our risk-sharing transactions with Fannie Mae and Freddie Mac ("the Agencies"), as well as cash collateral for certain consolidated securitization entities. Goodwill and Intangible Assets Significant judgment is required to estimate the fair value of intangible assets and in assigning their estimated useful lives. Accordingly, we typically seek the assistance of independent third-party valuation specialists for significant intangible assets. The fair value estimates are based on available historical information and on future expectations and assumptions we deem reasonable. We generally use an income-based valuation method to estimate the fair value of intangible assets, which discounts expected future cash flows to present value using estimates and assumptions we deem reasonable. Determining the estimated useful lives of intangible assets also requires judgment. Our assessment as to which intangible assets are deemed to have finite or indefinite lives is based on several factors including economic barriers of entry for the acquired business, retention trends, and our operating plans, among other factors. Finite-lived intangible assets are amortized over their estimated useful lives on a straight-line basis and reviewed for impairment if indicators are present. Additionally, useful lives are evaluated each reporting period to determine if revisions to the remaining periods of amortization are warranted. Goodwill is tested for impairment annually or more frequently if indicators of impairment exist. We have elected to make the first day of our fiscal fourth quarter the annual impairment assessment date for goodwill. Pursuant to our adoption of ASU 2017-04, "Intangibles - Goodwill and Other (Topic 350): Simplifying the Test for Goodwill Impairment" in the first quarter of 2020, we modified our goodwill impairment testing policy. We first assess qualitative factors to determine whether it is more likely than not that the fair value of the reporting unit is less than its carrying value. If, based on that assessment, we believe it is more likely than not that the fair value of the reporting unit is less than its carrying value, we measure the fair value of reporting unit and record a goodwill impairment charge for the amount by which a reporting unit's carrying value exceeds its fair value, not to exceed the carrying amount of the goodwill. Any such impairment charges would be recorded through Other expenses on our consolidated statements of income (loss). Derivative Financial Instruments Derivative financial instruments we typically utilize include swaps, swaptions, financial futures contracts, and “To Be Announced” (“TBA”) contracts. These derivatives are primarily used to manage interest rate risk associated with our operations. In addition, we enter into certain residential loan purchase commitments (“LPCs”), interest rate lock commitments ("IRLCs"), and residential loan forward sale commitments (“FSCs”) that are treated as derivatives for financial reporting purposes. All derivative financial instruments are recorded at their estimated fair value on our consolidated balance sheets. Derivatives with positive fair values to us are reported as assets and derivatives with negative fair values to us are reported as liabilities. We classify each derivative as either (i) a trading instrument (no specific hedging designation for financial reporting purposes) or (ii) a hedge of a forecasted transaction or of the variability of cash flows to be received or paid related to a recognized asset or liability (cash flow hedge). Changes in the fair values of derivatives accounted for as trading instruments, including any associated interest income or expense, are recorded in our consolidated statements of income (loss) through Other income if they are used to manage risks associated with our MSR investments, through Mortgage banking activities , net if they are used to manage risks associated with our mortgage banking activities, or through Investment fair value changes, net if they are used to manage risks associated with our investments. Valuation changes related to residential LPCs, IRLCs, and FSCs are included in Mortgage banking activities, net on our consolidated statements of income (loss). Changes in the fair values of derivatives accounted for as cash flow hedges, to the extent they are effective, are recorded in Accumulated other comprehensive income, a component of equity on our consolidated balance sheets. Interest income or expense, and any ineffectiveness associated with these derivatives, are recorded as a component of net interest income in our consolidated statements of income (loss). We measure the effective portion of cash flow hedges by comparing the change in fair value of the expected future variable cash flows of the derivative hedging instruments with the change in fair value of the expected future variable cash flows of the hedged item. We will discontinue a designated cash flow hedge relationship if (i) we determine that the hedging derivative is no longer expected to be effective in offsetting changes in the cash flows of the designated hedged item; (ii) the derivative expires or is sold, terminated, or exercised; (iii) the derivative is de-designated as a cash flow hedge; or (iv) it is probable that a forecasted transaction associated with the hedged item will not occur by the end of the originally specified time period. To the extent we de-designate or terminate a cash flow hedging relationship and the associated hedged item continues to exist, any unrealized gain or loss of the cash flow hedge at the time of de-designation remains in accumulated other comprehensive income and is amortized using the straight-line method through interest expense over the remaining life of the hedged item. Swaps and Swaptions Interest rate swaps are agreements in which (i) one counterparty exchanges a stream of fixed interest payments for another counterparty’s stream of variable interest cash flows; or (ii) each counterparty exchanges variable interest cash flows that are referenced to different indices. Interest rate swaptions are agreements that provide the owner the right but not the obligation to enter into an underlying interest rate swap with a counterparty in the future. We enter into swap and swaptions primarily to reduce significant changes in our income or equity caused by interest rate volatility. Certain of these interest rate agreements may be designated as cash flow hedges. Interest Rate Futures Interest rate futures are futures contracts based on U.S. Treasury notes, U.S. dollar-denominated interest rate swaps, or U.S. dollar-denominated interest rate indices. TBA Agreements TBA agreements are forward contracts to purchase mortgage-backed securities that will be issued by a U.S. government sponsored enterprise in the future. We purchase or sell these derivatives to offset - to varying degrees - changes in the values of mortgage products for which we have exposure to interest rate volatility. Loan Purchase and Forward Sale Commitments We use the term LPCs to refer to agreements with third-party residential loan originators to purchase residential loans at a future date that qualify as a derivative under GAAP and we use the term FSCs to refer to agreements with third-parties to sell residential loans at a future date that also qualify as derivatives under GAAP. LPCs and FSCs are recorded at their estimated fair values on our consolidated balance sheets and changes in fair value are recurring and are reported through our consolidated statements of income (loss) in Mortgage banking activities, net. Interest Rate Lock Commitments IRLCs are agreements we have made with third-party borrowers for single-family rental loans that will be originated and held for sale. IRLCs qualify as derivatives under GAAP and are recorded at their estimated fair values on our consolidated balance sheets. Changes in fair value are recurring and are reported through our consolidated statements of income (loss) in Mortgage banking activities, net. See Note 11 for further discussion on derivative financial instruments. Deferred Tax Assets and Liabilities Our deferred tax assets/liabilities are generated by temporary differences in GAAP and taxable income at our taxable REIT subsidiaries. These differences generally reflect differing accounting treatments for GAAP and tax, such as accounting for mortgage servicing rights, security discount and premium amortization, credit losses, asset impairments, and certain valuation estimates. As a result of these differences, we may recognize taxable income in periods prior to when we recognize income for GAAP. When this occurs, we pay the tax liability as required and establish a deferred tax asset. As the income is subsequently realized in future periods under GAAP, the deferred tax asset is reduced. We may also recognize GAAP income in periods prior to when we recognize income for tax. When this occurs, we establish a deferred tax liability for GAAP. As the income is subsequently realized in future periods for tax, the deferred tax liability is reduced. We may also record deferred tax assets/liabilities resulting from GAAP and tax basis differences of assets and liabilities acquired in a business combination at our taxable REIT subsidiaries. These deferred tax assets/liabilities generally do not affect our GAAP income at the time of establishment as the offsetting accounting entry is rec

Principles of Consolidation

Principles of Consolidation	12 Months Ended
	Dec. 31, 2021
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Principles of Consolidation	Principles of Consolidation GAAP requires us to consider whether securitizations we sponsor and other transfers of financial assets should be treated as sales or financings, as well as whether any VIEs that we hold variable interests in – for example, certain legal entities often used in securitization and other structured finance transactions – should be included in our consolidated financial statements. The GAAP principles we apply require us to reassess our requirement to consolidate VIEs each quarter and therefore our determination may change based upon new facts and circumstances pertaining to each VIE. This could result in a material impact to our consolidated financial statements during subsequent reporting periods. Analysis of Consolidated VIEs At December 31, 2021, we consolidated Legacy Sequoia, Sequoia, CAFL, Freddie Mac SLST, Freddie Mac K-Series, and Point HEI securitization entities that we determined were VIEs and for which we determined we were the primary beneficiary. Each of these entities is independent of Redwood and of each other and the assets and liabilities of these entities are not owned by and are not legal obligations of ours. Our exposure to these entities is primarily through the financial interests we have retained, although for certain securitizations, we are exposed to financial risks associated with our role as a sponsor, servicing administrator, collateral administrator, or depositor of these entities or as a result of our having sold assets directly or indirectly to these entities. We also consolidate two Servicing Investment entities formed to invest in servicing-related assets that we determined were VIEs and for which we determined we were the primary beneficiary. At December 31, 2021, we held an 80% ownership interest in, and were responsible for the management of, each entity. See Note 10 for a further description of these entities and the investments they hold and Note 12 for additional information on the minority partner’s non-controlling interest. Additionally, we consolidated an entity that was formed to finance servicer advances that we determined was a VIE and for which we, through our control of one of the aforementioned partnerships, were the primary beneficiary. The servicer advance financing consists of non-recourse short-term securitization debt, secured by servicer advances. We consolidate the securitization entity, but the securitization entity is independent of Redwood and the assets and liabilities are not owned by and are not legal obligations of Redwood. See Note 13 for additional information on the servicer advance financing. At December 31, 2021, the estimated fair value of our investment in the Servicing Investment entities was $103 million. During 2021, we consolidated a Point HEI securitization entity formed to invest in Point HEIs that we determined was a VIE and for which we determined we were the primary beneficiary. At December 31, 2021, we owned a portion of the subordinate certificates issued by the entity and had certain decision making rights for the entity. See Note 10 for a further description of this entity and the investments it holds and Note 12 for additional information on non-controlling interests in the entity. We consolidate the Point HEI securitization entity, but the securitization entity is independent of Redwood and the assets and liabilities are not owned by and are not legal obligations of Redwood. During 2021, we called two of our consolidated CAFL entities and repaid the associated ABS issued. In association with these calls, we transferred $91 million (unpaid principal balance) of loans from held-for-investment to held-for-sale. During 2020, we re-securitized subordinate securities we owned in our consolidated Freddie Mac SLST securitization trusts through the transfer of these financial assets to a re-securitization trust that we sponsored. We retain a subordinate investment in the re-securitization trust and maintain certain discretionary rights associated with the ownership of this investment that we determined reflected a controlling financial interest in the entity, as we have both the power to direct the activities that most significantly impact the performance of the VIE and the right to receive benefits of and the obligation to absorb losses from the VIE that could potentially be significant to the VIE. During 2020, we sold subordinate securities (and transferred directing certificate holder status as a result of these sales) issued by four of these Freddie Mac K-Series securitization trusts and determined that we should derecognize the associated assets and liabilities of each of these entities for financial reporting purposes. We deconsolidated $3.86 billion of multifamily loans and other assets and $3.72 billion of multifamily ABS issued and other liabilities, for which we realized market valuation losses of $72 million, which were recorded through Investment fair value changes, net on our consolidated statements of income (loss). For certain of our consolidated VIEs, we have elected to account for the assets and liabilities of these entities as collateralized financing entities ("CFE"). A CFE is a variable interest entity that holds financial assets and issues beneficial interests in those assets, and these beneficial interests have contractual recourse only to the related assets of the CFE. Accounting guidance for CFEs allows companies to elect to measure both the financial assets and financial liabilities of a CFE using the more observable of the fair value of the financial assets or fair value of the financial liabilities. The net equity in an entity accounted for under the CFE election effectively represents the fair value of the beneficial interests we own in the entity. In addition to our consolidated VIEs for which we made the CFE election, we consolidate certain VIEs for which we did not make the CFE election, and elected to account for the ABS issued by these entities at amortized cost. These include our CAFL Bridge securitization, Freddie Mac SLST re-securitization, and Servicing Investment entities. The following table presents a summary of the assets and liabilities of our consolidated VIEs. Table 4.1 – Assets and Liabilities of Consolidated VIEs December 31, 2021 Legacy Sequoia CAFL (1) Freddie Mac SLST (1) Freddie Mac Servicing Investment Point HEI Total (Dollars in Thousands) Residential loans, held-for-investment $ 230,455 $ 3,628,465 $ — $ 1,888,230 $ — $ — $ — $ 5,747,150 Business purpose loans, held-for-investment — — 3,766,316 — — — — 3,766,316 Multifamily loans, held-for-investment — — — — 473,514 — — 473,514 Other investments — — — — — 384,754 159,553 544,307 Cash and cash equivalents — — — — — 6,481 — 6,481 Restricted cash 148 5 15,221 — — 25,420 5,292 46,086 Accrued interest receivable 210 10,885 15,737 5,792 1,315 1,462 — 35,401 Other assets 61 — 32,510 2,028 — 7,177 50 41,826 Total Assets $ 230,874 $ 3,639,355 $ 3,829,784 $ 1,896,050 $ 474,829 $ 425,294 $ 164,895 $ 10,661,081 Short-term debt $ — $ — $ — $ — $ — $ 294,447 $ — $ 294,447 Accrued interest payable 99 8,452 11,030 4,055 1,190 192 — 25,018 Accrued expenses and other liabilities — 5 1,171 — — 28,115 17,034 46,325 Asset-backed securities issued 227,881 3,383,048 3,474,898 1,588,463 441,857 — 137,410 9,253,557 Total Liabilities $ 227,980 $ 3,391,505 $ 3,487,099 $ 1,592,518 $ 443,047 $ 322,754 $ 154,444 $ 9,619,347 Value of our investments in VIEs (1) 2,634 245,417 339,419 301,795 31,657 102,540 10,451 1,033,913 Number of VIEs 20 16 16 3 1 3 1 60 December 31, 2020 Legacy Sequoia CAFL Freddie Mac SLST (1) Freddie Mac Servicing Investment Total (Dollars in Thousands) Residential loans, held-for-investment $ 285,935 $ 1,565,322 $ — $ 2,221,153 $ — $ — $ 4,072,410 Business purpose loans, held-for-investment — — 3,249,194 — — — 3,249,194 Multifamily loans, held-for-investment — — — — 492,221 — 492,221 Other investments — — — — — 251,773 251,773 Cash and cash equivalents — — — — — 11,579 11,579 Restricted cash 148 — — — — 23,220 23,368 Accrued interest receivable 305 6,802 13,055 6,754 1,337 2,334 30,587 Other assets 638 — 2,930 646 — 5,723 9,937 Total Assets $ 287,026 $ 1,572,124 $ 3,265,179 $ 2,228,553 $ 493,558 $ 294,629 $ 8,141,069 Short-term debt $ — $ — $ — $ — $ — $ 208,375 $ 208,375 Accrued interest payable 141 4,697 10,278 4,846 1,177 135 21,274 Accrued expenses and other liabilities — 50 — — — 18,353 18,403 Asset-backed securities issued 282,326 1,347,357 3,013,093 1,993,919 463,966 — 7,100,661 Total Liabilities $ 282,467 $ 1,352,104 $ 3,023,371 $ 1,998,765 $ 465,143 $ 226,863 $ 7,348,713 Value of our investments in VIEs (1) 4,559 220,020 238,680 229,788 28,415 67,766 789,228 Number of VIEs 20 10 14 2 1 3 50 (1) Value of our investments in VIEs, as presented in this table, represent the fair value of our economic interests in the VIEs only for consolidated VIEs we account for under the CFE election. CAFL includes SFR loan securitizations we account for under the CFE election and a bridge loan securitization for which we did not make the CFE election. As of December 31, 2021 and 2020, the fair value of our interests in the CAFL SFR securitizations were $302 million and $239 million, respectively, and our net carrying value in the CAFL Bridge securitization was $38 million and zero, respectively. Freddie Mac SLST includes securitizations we account for under the CFE election and also includes ABS issued in relation to a resecuritization of the securities we own in the consolidated Freddie Mac SLST VIEs, that we account for at amortized historical cost. As of December 31, 2021 and 2020, the fair value of our interests in the Freddie Mac SLST securitizations accounted for under the CFE election were $445 million and $428 million, respectively, and the carrying value of the ABS issued and carried at amortized historical cost was $143 million and $200 million respectively. The following tables present income (loss) from these VIEs for the years ended December 31, 2021 and 2020. Table 4.2 – Income (Loss) from Consolidated VIEs Year Ended December 31, 2021 Legacy Sequoia CAFL Freddie Mac Freddie Mac Servicing Investment Point HEI Total (Dollars in Thousands) Interest income $ 4,709 $ 74,025 $ 207,202 $ 76,287 $ 19,266 $ 18,803 $ — $ 400,292 Interest expense (3,040) (59,949) (160,618) (64,635) (17,686) (4,867) — (310,795) Net interest income 1,669 14,076 46,584 11,652 1,580 13,936 — 89,497 Non-interest income Investment fair value changes, net (1,558) 14,176 8,521 62,374 11,599 (5,209) 218 90,121 Other income — — 72 — — — — 72 Total non-interest income, net (1,558) 14,176 8,593 62,374 11,599 (5,209) 218 90,193 General and administrative expenses — — — — — (283) — (283) Other expenses — — — — — (1,689) — (1,689) Income (Loss) from Consolidated VIEs $ 111 $ 28,252 $ 55,177 $ 74,026 $ 13,179 $ 6,755 $ 218 $ 177,718 Year Ended December 31, 2020 Legacy Sequoia CAFL Freddie Mac SLST Freddie Mac Servicing Investment Total (Dollars in Thousands) Interest income $ 9,061 $ 87,093 $ 136,950 $ 85,609 $ 54,813 $ 17,665 $ 391,191 Interest expense (5,945) (73,643) (105,732) (66,859) (51,521) (6,441) (310,141) Net interest income 3,116 13,450 31,218 18,750 3,292 11,224 81,050 Non-interest income Investment fair value changes, net (1,512) (13,244) (39,574) (21,160) (81,039) (11,327) (167,856) Total non-interest income, net (1,512) (13,244) (39,574) (21,160) (81,039) (11,327) (167,856) General and administrative expenses — — — — — (867) (867) Other expenses — — — — — 193 193 Income from Consolidated VIEs $ 1,604 $ 206 $ (8,356) $ (2,410) $ (77,747) $ (777) $ (87,480) We consolidate the assets and liabilities of certain Sequoia, CAFL and Point HEI securitization entities, as we did not meet the GAAP sale criteria at the time we transferred financial assets to these entities. Our involvement in consolidated Sequoia, CAFL and Point HEI entities continues in the following ways: (i) we continue to hold subordinate investments in each entity, and for certain entities, more senior investments; (ii) we maintain certain discretionary rights associated with our sponsorship of, or our subordinate investments in, each entity including rights to direct loss mitigation activities; and (iii) we continue to hold a right to call the assets of certain entities (once they have been paid down below a specified threshold) at a price equal to, or in excess of, the current outstanding principal amount of the entity’s asset-backed securities issued. These factors have resulted in our continuing to consolidate the assets and liabilities of these Sequoia, CAFL and Point HEI entities in accordance with GAAP. We consolidate the assets and liabilities of certain Freddie Mac K-Series and SLST securitization trusts resulting from our investment in subordinate securities issued by these trusts, and in the case of certain CAFL securitizations, resulting from securities acquired through our acquisition of CoreVest. Additionally, we consolidate the assets and liabilities of Servicing Investment entities from our investment in servicer advance investments and excess MSRs. In each case, we maintain certain discretionary rights associated with the ownership of these investments that we determined reflected a controlling financial interest, as we have both the power to direct the activities that most significantly impact the economic performance of the VIEs and the right to receive benefits of and the obligation to absorb losses from the VIEs that could potentially be significant to the VIEs. Analysis of Unconsolidated VIEs with Continuing Involvement Since 2012, we have transferred residential loans to 49 Sequoia securitization entities sponsored by us that are still outstanding as of December 31, 2021 and accounted for these transfers as sales for financial reporting purposes, in accordance with ASC 860. We also determined we were not the primary beneficiary of these VIEs as we lacked the power to direct the activities that will have the most significant economic impact on the entities. For certain of these transfers to securitization entities, for the transferred loans where we held the servicing rights prior to the transfer and continued to hold the servicing rights following the transfer, we recorded MSRs on our consolidated balance sheets, and classified those MSRs as Level 3 assets. We also retained senior and subordinate securities in these securitizations that we classified as Level 3 assets. Our continuing involvement in these securitizations is limited to customary servicing obligations associated with retaining servicing rights (which we retain a third-party sub-servicer to perform) and the receipt of interest income associated with the securities we retained. During the year ended December 31, 2021, we called seven of our unconsolidated Sequoia entities, and purchased $200 million (unpaid principal balance) of loans from the securitization trusts. In association with these calls, we realized $16 million of gains on the securities we owned from these called securitizations, which was recognized through Realized gains, net on our consolidated statements of income (loss). At December 31, 2021, we held $172 million of loans for sale at fair value that were acquired following the calls. Table 4.3 – Securitization Activity Related to Unconsolidated VIEs Sponsored by Redwood Years Ended December 31, (In Thousands) 2021 2020 Principal balance of loans transferred $ 1,231,803 $ 2,223,462 Trading securities retained, at fair value 7,774 49,089 AFS securities retained, at fair value 1,600 4,187 The following table summarizes the cash flows during the years ended December 31, 2021 and 2020 between us and the unconsolidated VIEs sponsored by us and accounted for as sales since 2012. Table 4.4 – Cash Flows Related to Unconsolidated VIEs Sponsored by Redwood Years Ended December 31, (In Thousands) 2021 2020 Proceeds from new transfers $ 1,266,063 $ 2,276,521 MSR fees received 5,003 9,749 Funding of compensating interest, net (160) (405) Cash flows received on retained securities 47,596 24,172 The following table presents the key weighted average assumptions used to value securities retained at the date of securitization for securitizations completed during 2021 and 2020. Table 4.5 – Assumptions Related to Assets Retained from Unconsolidated VIEs Sponsored by Redwood Year Ended December 31, 2021 Year Ended December 31, 2020 At Date of Securitization Senior IO Securities Subordinate Securities Senior IO Securities Subordinate Securities Prepayment rates 11 % 11 % 29 % 14 % Discount rates 15 % 6 % 14 % 7 % Credit loss assumptions 0.23 % 0.23 % 0.27 % 0.24 % The following table presents additional information at December 31, 2021 and 2020, related to unconsolidated VIEs sponsored by Redwood and accounted for as sales since 2012. Table 4.6 – Unconsolidated VIEs Sponsored by Redwood (In Thousands) December 31, 2021 December 31, 2020 On-balance sheet assets, at fair value: Interest-only, senior and subordinate securities, classified as trading $ 18,214 $ 20,982 Subordinate securities, classified as AFS 127,542 136,475 Mortgage servicing rights 6,450 8,413 Maximum loss exposure (1) $ 152,206 $ 165,870 Assets transferred: Principal balance of loans outstanding $ 4,959,234 $ 7,728,432 Principal balance of loans 30+ days delinquent 30,594 138,029 (1) Maximum loss exposure from our involvement with unconsolidated VIEs pertains to the carrying value of our securities and MSRs retained from these VIEs and represents estimated losses that would be incurred under severe, hypothetical circumstances, such as if the value of our interests and any associated collateral declines to zero. This does not include, for example, any potential exposure to representation and warranty claims associated with our initial transfer of loans into a securitization. The following table presents key economic assumptions for assets retained from unconsolidated VIEs and the sensitivity of their fair values to immediate adverse changes in those assumptions at December 31, 2021 and 2020. Table 4.7 – Key Assumptions and Sensitivity Analysis for Assets Retained from Unconsolidated VIEs Sponsored by Redwood December 31, 2021 MSRs Senior Securities (1) Subordinate Securities (Dollars in Thousands) Fair value at December 31, 2021 $ 6,450 $ 18,214 $ 127,542 Expected life (in years) (2) 3 4 5 Prepayment speed assumption (annual CPR) (2) 29 % 23 % 32 % Decrease in fair value from: 10% adverse change $ 447 $ 1,130 $ 531 25% adverse change 1,020 2,596 1,440 Discount rate assumption (2) 12 % 16 % 5 % Decrease in fair value from: 100 basis point increase $ 152 $ 426 $ 4,801 200 basis point increase 297 829 9,139 Credit loss assumption (2) N/A 0.35 % 0.35 % Decrease in fair value from: 10% higher losses N/A $ — $ 1,528 25% higher losses N/A — 3,819 December 31, 2020 MSRs Senior Securities (1) Subordinate Securities (Dollars in Thousands) Fair value at December 31, 2020 $ 8,413 $ 17,333 $ 140,124 Expected life (in years) (2) 2 3 8 Prepayment speed assumption (annual CPR) (2) 37 % 31 % 33 % Decrease in fair value from: 10% adverse change $ 906 $ 1,557 $ 452 25% adverse change 2,058 3,754 2,298 Discount rate assumption (2) 12 % 21 % 5 % Decrease in fair value from: 100 basis point increase $ 196 $ 337 $ 9,769 200 basis point increase 380 659 18,650 Credit loss assumption (2) N/A 0.41 % 0.41 % Decrease in fair value from: 10% higher losses N/A $ — $ 2,409 25% higher losses N/A — 5,915 (1) Senior securities included $18 million and $17 million of interest-only securities at December 31, 2021 and 2020, respectively. (2) Expected life, prepayment speed assumption, discount rate assumption, and credit loss assumption presented in the tables above represent weighted averages. Analysis of Unconsolidated Third-Party VIEs Third-party VIEs are securitization entities in which we maintain an economic interest, but do not sponsor. Our economic interest may include several securities and other investments from the same third-party VIE, and in those cases, the analysis is performed in consideration of all of our interests. The following table presents a summary of our interests in third-party VIEs at December 31, 2021 and 2020, grouped by asset type. Table 4.8 – Third-Party Sponsored VIE Summary (In Thousands) December 31, 2021 December 31, 2020 Mortgage-Backed Securities Senior $ 3,572 $ 11,131 Mezzanine — 2,014 Subordinate 228,083 173,523 Total Mortgage-Backed Securities 231,655 186,668 Excess MSR 10,400 14,133 Total Investments in Third-Party Sponsored VIEs $ 242,055 $ 200,801 We determined that we are not the primary beneficiary of these third-party VIEs, as we do not have the required power to direct the activities that most significantly impact the economic performance of these entities. Specifically, we do not service or manage these entities or otherwise solely hold decision making powers that are significant. As a result of this assessment, we do not consolidate any of the underlying assets and liabilities of these third-party VIEs – we only account for our specific interests in them.

Fair Value of Financial Instrum

Fair Value of Financial Instruments	12 Months Ended
	Dec. 31, 2021
Fair Value Disclosures [Abstract]
Fair Value of Financial Instruments	Fair Value of Financial Instruments For financial reporting purposes, we follow a fair value hierarchy established under GAAP that is used to determine the fair value of financial instruments. This hierarchy prioritizes relevant market inputs in order to determine an “exit price” at the measurement date, or the price at which an asset could be sold or a liability could be transferred in an orderly process that is not a forced liquidation or distressed sale. Level 1 inputs are observable inputs that reflect quoted prices for identical assets or liabilities in active markets. Level 2 inputs are observable inputs other than quoted prices for an asset or liability that are obtained through corroboration with observable market data. Level 3 inputs are unobservable inputs (e.g., our own data or assumptions) that are used when there is little, if any, relevant market activity for the asset or liability required to be measured at fair value. In certain cases, inputs used to measure fair value fall into different levels of the fair value hierarchy. In such cases, the level at which the fair value measurement falls is determined based on the lowest level input that is significant to the fair value measurement. Our assessment of the significance of a particular input requires judgment and considers factors specific to the asset or liability being measured. The following table presents the carrying values and estimated fair values of assets and liabilities that are required to be recorded or disclosed at fair value at December 31, 2021 and 2020. Table 5.1 – Carrying Values and Fair Values of Assets and Liabilities December 31, 2021 December 31, 2020 Carrying Fair Carrying Fair (In Thousands) Assets Residential loans, held-for-sale at fair value $ 1,845,248 $ 1,845,248 $ 176,604 $ 176,604 Residential loans, held-for-investment 5,747,150 5,747,150 4,072,410 4,072,410 Business purpose loans, held-for-sale 358,309 358,309 245,394 245,394 Business purpose loans, held-for-investment 4,432,680 4,432,680 3,890,959 3,890,959 Multifamily loans 473,514 473,514 492,221 492,221 Real estate securities 377,411 377,411 344,125 344,125 Servicer advance investments (1) 350,923 350,923 231,489 231,489 MSRs (1) 12,438 12,438 8,815 8,815 Excess MSRs (1) 44,231 44,231 34,418 34,418 HEIs (1) 192,740 192,740 42,440 42,440 Other investments (1) 12,663 12,663 18,847 18,847 Cash and cash equivalents 450,485 450,485 461,260 461,260 Restricted cash 80,999 80,999 83,190 83,190 Derivative assets 26,467 26,467 53,238 53,238 REO (2) 36,126 39,272 8,413 9,229 Margin receivable (2) 7,269 7,269 4,758 4,758 FHLBC stock (2) 10 10 5,000 5,000 Pledged collateral (2) — — 1,177 1,177 Liabilities Short-term debt $ 2,177,362 $ 2,177,362 $ 522,609 $ 522,609 Margin payable (3) 24,368 24,368 — — Guarantee obligation (3) 7,459 7,133 10,039 7,843 Point HEI non-controlling interest 17,035 17,035 — — Derivative liabilities 3,317 3,317 16,072 16,072 ABS issued net Fair value 8,843,147 8,843,147 6,900,362 6,900,362 Amortized cost 410,410 410,471 200,299 204,892 Other long-term debt, net (4) 988,483 989,570 774,726 783,570 Convertible notes, net (4) 513,629 537,300 511,085 499,865 Trust preferred securities and subordinated notes, net (4) 138,721 97,650 138,674 80,910 (1) These investments are included in Other investments on our consolidated balance sheets. (2) These assets are included in Other assets on our consolidated balance sheets. (3) These liabilities are included in Accrued expenses and other liabilities on our consolidated balance sheets. (4) The liabilities are included in Long-Term debt, net of our consolidated balance sheets. During the years ended December 31, 2021 and 2020, we elected the fair value option for $59 million and $108 million of securities, respectively, $12.92 billion and $4.37 billion of residential loans (principal balance), respectively, $2.22 billion and $1.40 billion of business purpose loans (principal balance), respectively, $197 million and $179 million of servicer advance investments, respectively, $18 million and $11 million of excess MSRs, respectively, $15 million and $0.5 million of other financial instruments, respectively. Additionally, during the years ended December 31, 2021 and 2020, we elected the fair value option for $155 million and $4 million of HEIs, respectively. We anticipate electing the fair value option for all future purchases of residential and business purpose loans that we intend to sell to third parties or transfer to securitizations, as well as for certain securities we purchase, including IO securities and fixed-rate securities rated investment grade or higher. The following table presents the assets and liabilities that are reported at fair value on our consolidated balance sheets on a recurring basis at December 31, 2021 and 2020, as well as the fair value hierarchy of the valuation inputs used to measure fair value. Table 5.2 – Assets and Liabilities Measured at Fair Value on a Recurring Basis December 31, 2021 Carrying Value Fair Value Measurements Using (In Thousands) Level 1 Level 2 Level 3 Assets Residential loans $ 7,592,398 $ — $ — $ 7,592,398 Business purpose loans 4,790,989 — — 4,790,989 Multifamily loans 473,514 — — 473,514 Real estate securities 377,411 — — 377,411 Servicer advance investments 350,923 — — 350,923 MSRs 12,438 — — 12,438 Excess MSRs 44,231 — — 44,231 HEIs 192,740 — — 192,740 Other investments 17,574 — — 17,574 Derivative assets 26,467 2,906 18,928 4,633 FHLBC stock 10 — 10 — Liabilities Derivative liabilities $ 3,317 $ 1,563 $ 1,251 $ 503 ABS issued 8,843,147 — — 8,843,147 December 31, 2020 Carrying Fair Value Measurements Using (In Thousands) Level 1 Level 2 Level 3 Assets Residential loans $ 4,249,014 $ — $ — $ 4,249,014 Business purpose loans 4,136,353 — — 4,136,353 Multifamily loans 492,221 — — 492,221 Real estate securities 344,125 — — 344,125 Servicer advance investments 231,489 — — 231,489 MSRs 8,815 — — 8,815 Excess MSRs 34,418 — — 34,418 HEIs 42,440 — — 42,440 Derivative assets 53,238 18,260 19,951 15,027 Pledged collateral 1,177 1,177 — — FHLBC stock 5,000 — 5,000 — Liabilities Derivative liabilities 16,072 15,495 — 577 ABS issued 6,900,362 — — 6,900,362 The following table presents additional information about Level 3 assets and liabilities measured at fair value on a recurring basis for the years ended December 31, 2021 and 2020. Table 5.3 – Changes in Level 3 Assets and Liabilities Measured at Fair Value on a Recurring Basis Assets Residential Loans Business Multifamily Trading Securities AFS Servicer Advance Investments Excess MSRs HEIs MSRs and Other Investments (In Thousands) Beginning balance - December 31, 2020 $ 4,249,014 $ 4,136,353 $ 492,221 $ 125,667 $ 218,458 $ 231,489 $ 34,418 $ 42,440 $ 27,662 Acquisitions 13,139,907 136,685 — 58,917 19,100 196,583 17,830 155,023 15,215 Originations — 2,150,539 — — — — — — — Sales (8,449,328) (211,113) — (34,802) (4,785) — — — — Principal paydowns (1,360,649) (1,307,566) (7,639) (2,713) (57,953) (76,223) — (19,395) (14,751) Gains (losses) in net income (loss), net 16,688 (77,357) (11,068) 23,550 40,735 (926) (8,017) 13,774 (2,846) Unrealized losses in OCI, net — — — — (8,763) — — — — Other settlements, net (1) (3,234) (36,552) — — — — — 898 (179) Ending balance - December 31, 2021 $ 7,592,398 $ 4,790,989 $ 473,514 $ 170,619 $ 206,792 $ 350,923 $ 44,231 $ 192,740 $ 25,101 Table 5.3 – Changes in Level 3 Assets and Liabilities Measured at Fair Value on a Recurring Basis (continued) Liabilities Derivatives (2) Point HEI Non-Controlling Interest ABS (In Thousands) Beginning balance - December 31, 2020 $ 14,450 — $ 6,900,362 Acquisitions — 16,639 4,202,070 Principal paydowns — — (1,922,313) Gains (losses) in net income (loss), net 10,437 396 (336,972) Other settlements, net (1) (20,757) — — Ending balance - December 31, 2021 $ 4,130 $ 17,035 $ 8,843,147 Assets (In Thousands) Residential Business Purpose Loans Multifamily Loans Trading AFS Servicer Advance Investments Excess MSRs MSRs and Other Investments Beginning balance - December 31, 2019 $ 7,714,745 $ 3,506,743 $ 4,408,524 $ 860,540 $ 239,334 $ 169,204 $ 31,814 $ 45,085 $ 67,313 Acquisitions 4,483,473 — — 108,249 57,652 179,419 10,906 3,517 450 Originations — 1,431,251 — — — — — — — Sales (6,262,958) (135,800) — (603,529) (55,192) — — — — Principal paydowns (1,552,171) (753,026) (7,703) (8,687) (17,924) (107,527) — (4,278) (5,843) Deconsolidations — — (3,849,779) — — — — — — Gains (losses) in net income, net (132,307) 99,590 (58,821) (230,906) 10,792 (9,607) (8,302) (1,884) (34,258) Unrealized gains in OCI, net — — — — (16,204) — — — — Other settlements, net (1) (1,768) (12,405) — — — — — — — Ending balance - December 31, 2020 $ 4,249,014 $ 4,136,353 $ 492,221 $ 125,667 $ 218,458 $ 231,489 $ 34,418 $ 42,440 $ 27,662 Liabilities (In Thousands) Derivatives (2) Contingent Consideration ABS Beginning balance - December 31, 2019 $ 8,860 $ 28,484 $ 10,515,475 Acquisitions — — 1,478,589 Principal paydowns — (13,353) (1,487,958) Deconsolidations — — (3,706,789) Gains (losses) in net income, net 56,972 (446) 101,045 Other settlements, net (1) (51,382) (14,685) — Ending balance - December 31, 2020 $ 14,450 $ — $ 6,900,362 (1) Other settlements, net for residential and business purpose loans represents the transfer of loans to REO, and for derivatives, the settlement of forward sale commitments and the transfer of the fair value of loan purchase or interest rate lock commitments at the time loans are acquired to the basis of residential and single-family rental loans. Other settlements, net for contingent consideration reflects the reclassification from a contingent liability to a deferred liability during the period due to an amendment in the underlying agreement. See Note 16 for further discussion. Other settlements, net for trading securities relates to the consolidation of Freddie Mac K-Series securitization entities. (2) For the purpose of this presentation, derivative assets and liabilities, which consist of loan purchase commitments, forward sale commitments, and interest rate lock commitments, are presented on a net basis. The following table presents the portion of gains or losses included in our consolidated statements of income (loss) that were attributable to Level 3 assets and liabilities recorded at fair value on a recurring basis and held at December 31, 2021, 2020, and 2019. Gains or losses incurred on assets or liabilities sold, matured, called, or fully written down during the years ended December 31, 2021, 2020, and 2019 are not included in this presentation. Table 5.4 – Portion of Net Gains (Losses) Attributable to Level 3 Assets and Liabilities Still Held at December 31, 2021, 2020, and 2019 Included in Net Income Included in Net Income Years Ended December 31, (In Thousands) 2021 2020 2019 Assets Residential loans at Redwood $ 5,886 $ 1,138 $ 67,470 Business purpose loans 9,444 9,420 14,603 Net investments in consolidated Sequoia entities (1) 12,455 (14,646) 4,529 Net investments in consolidated Freddie Mac SLST entities (1) 62,124 (21,220) 27,225 Net investments in consolidated Freddie Mac K-Series entities (1) 11,599 (9,309) 21,430 Net investments in consolidated CAFL SFR entities (1) 8,198 (37,062) (14,681) Net investments in consolidated Point HEI entity (1) 614 — — Trading securities 738 (83,327) 18,865 Available-for-sale securities — (388) — Servicer advance investments (926) (8,902) 3,001 MSRs 629 (17,545) (11,957) Excess MSRs (8,017) (8,302) (3,260) HEIs at Redwood 212 (1,884) 842 Loan purchase and interest rate lock commitments 4,633 15,027 10,190 Liabilities Non-controlling interest in consolidated Point HEI entity $ (396) $ — $ — Loan purchase commitments (503) $ (577) $ (1,290) Contingent consideration — — (3,217) (1) Represents the portion of net gains or losses included in our consolidated statements of income (loss) related to loans and the associated ABS issued at our consolidated securitization entities held at December 31, 2021, 2020, and 2019, which netted together represent the change in value of our investments at the consolidated VIEs. The net gain attributable for the Point HEI entity excludes valuation change in the non-controlling interest in consolidated Point HEI entity, which is separately shown in Table 5.4 above. The following table presents information on assets recorded at fair value on a non-recurring basis at December 31, 2021 and 2020. This table does not include the carrying value and gains or losses associated with the asset types below that were not recorded at fair value on our consolidated balance sheets at December 31, 2021 and 2020. Table 5.5 – Assets and Liabilities Measured at Fair Value on a Non-Recurring Basis Gain (Loss) for December 31, 2021 Carrying Fair Value Measurements Using (In Thousands) Level 1 Level 2 Level 3 December 31, 2021 Assets REO $ 588 $ — $ — $ 588 $ (217) Gain (Loss) for December 31, 2020 Carrying Fair Value Measurements Using (In Thousands) Level 1 Level 2 Level 3 December 31, 2020 Assets REO $ 1,117 $ — $ — $ 1,117 $ (157) The following table presents the net market valuation gains and losses recorded in each line item of our consolidated statements of income (loss) for the years ended December 31, 2021, 2020, and 2019. Table 5.6 – Market Valuation Gains and Losses, Net Years Ended December 31, (In Thousands) 2021 2020 2019 Mortgage Banking Activities, Net Residential loans held-for-sale, at fair value $ 73,332 $ (15,477) $ 3,267 Residential loan purchase and forward sale commitments 10,401 56,761 60,260 Single-family rental loans held-for-sale, at fair value 63,206 82,169 15,043 Single-family rental loan purchase and interest rate lock commitments 666 341 1,961 Bridge loans 8,253 (4,998) 4,518 Trading securities (1) (352) (4,535) — Risk management derivatives, net 41,060 (47,779) (15,723) Total mortgage banking activities, net (2) $ 196,566 $ 66,482 $ 69,326 Investment Fair Value Changes, Net Residential loans held-for-investment at Redwood $ 2,812 $ (93,314) $ 58,891 Single-family rental loans held-for-investment — (20,806) 272 Bridge loans held-for-investment (65) (10,629) (2,139) Trading securities 23,935 (226,196) 56,046 Servicer advance investments (925) (8,901) 3,001 Excess MSRs (8,017) (8,302) (3,260) Net investments in Legacy Sequoia entities (3) (1,558) (1,513) (1,545) Net investments in Sequoia entities (3) 14,176 (13,244) 6,947 Net investments in Freddie Mac SLST entities (3) 62,374 (21,160) 27,206 Net investments in Freddie Mac K-Series entities (3) 11,599 (81,039) 21,430 Net investments in CAFL entities (3) 10,271 (36,754) (3,636) Net investments in Point HEI entities (3) 218 — — HEIs at Redwood 13,207 (1,883) — Other investments (366) (5,167) (544) Risk management derivatives, net — (59,142) (127,169) Change in allowance for credit losses on AFS securities 388 (388) — Total investment fair value changes, net $ 128,049 $ (588,438) $ 35,500 Other Income MSRs $ (3,182) $ (33,409) $ (18,856) Risk management derivatives, net — 13,966 8,595 Gain on re-measurement of 5 Arches investment — — 2,441 Total other income (4) $ (3,182) $ (19,443) $ (7,820) Total Market Valuation (Losses) Gains, Net $ 321,433 $ (541,399) $ 97,006 (1) Represents fair value changes on trading securities that are being used along with risk management derivatives to manage the mark-to-market risks associated with our residential mortgage banking operations. (2) Mortgage banking activities, net presented above does not include fee income from loan originations or acquisitions, provisions for repurchases expense, and other expenses that are components of Mortgage banking activities, net presented on our consolidated statements of income (loss), as these amounts do not represent market valuation changes. (3) Includes changes in fair value of the residential loans held-for-investment, REO and the ABS issued at the entities, which netted together represent the change in value of our investments at the consolidated VIEs. (4) Other income presented above does not include net MSR fee income or provisions for repurchases for MSRs, as these amounts do not represent market valuation adjustments. Valuation Policy We maintain policies that specify the methodologies we use to value different types of financial instruments. Significant changes to the valuation methodologies are reviewed by members of senior management to confirm the changes are appropriate and reasonable. Valuations based on information from external sources are performed on an instrument-by-instrument basis with the resulting amounts analyzed individually against internal calculations as well as in the aggregate by product type classification. Initial valuations are performed by our portfolio management groups using the valuation processes described below. Our finance department then independently reviews all fair value estimates to ensure they are reasonable. Finally, members of senior management review all fair value estimates, including an analysis of the methodology and valuation changes from prior reporting periods. Valuation Process We estimate fair values for financial assets or liabilities based on available inputs observed in the marketplace as well as unobservable inputs. We primarily use two pricing valuation techniques: market comparable pricing and discounted cash flow analysis. Market comparable pricing is used to determine the estimated fair value of certain instruments by incorporating known inputs and performance metrics, such as observed prepayment rates, delinquencies, severities, credit support, recent transaction prices, pending transactions, or prices of other similar instruments. Discounted cash flow analysis techniques generally consist of developing an estimate of future cash flows that are expected to occur over the life of an instrument and then discounting those cash flows at a rate of return that results in an estimate of fair value. After considering all available indications of the appropriate rate of return that market participants would require, we consider the reasonableness of the range indicated by the results to determine an estimate that is most representative of fair value. We also consider counterparty credit quality and risk as part of our fair value assessments. The following table provides quantitative information about the significant unobservable inputs used in the valuation of our Level 3 assets and liabilities measured at fair value. Table 5.7 – Fair Value Methodology for Level 3 Financial Instruments December 31, 2021 Fair Input Values (Dollars in Thousands, except Input Values) Unobservable Input Range Weighted Average (1) Assets Residential loans, at fair value: Jumbo fixed-rate loans $ 1,200,322 Prepayment rate (annual CPR) 20 - 20 % 20 % Whole loan spread to TBA price $ 2.56 - $ 2.56 $ 2.56 Whole loan spread to swap rate 185 - 185 bps 185 bps Called loan dollar price $ 102 - $ 102 $ 102 Jumbo loans committed to sell 644,926 Whole loan committed sales price $ 101.91 - $ 102.58 $ 102.19 Loans held by Legacy Sequoia (2) 230,455 Liability price N/A N/A Loans held by Sequoia (2) 3,628,465 Liability price N/A N/A Loans held by Freddie Mac SLST (2) 1,888,230 Liability price N/A N/A Business purpose loans: Single-family rental loans 358,309 Senior credit spread 85 - 110 bps 91 bps Subordinate credit spread 125 - 1,517 bps 362 bps Senior credit support 36 - 36 % 36 % IO discount rate 8 - 14 % 9 % Prepayment rate (annual CPR) 3 - 3 % 3 % Non-securitizable loan dollar price $ 78 - $ 103 $ 99 Single-family rental loans held by CAFL 3,488,074 Liability price N/A N/A Bridge loans 944,606 Discount rate 4 - 15 % 6 % Multifamily loans held by Freddie Mac K-Series (2) 473,514 Liability price N/A N/A Trading and AFS securities 377,411 Discount rate 2 - 47 % 7 % Prepayment rate (annual CPR) 7 - 50 % 26 % Default rate — - 27 % 4 % Loss severity — - 50 % 24 % CRT dollar price $ 96 - $ 112 $ 103 Servicer advance investments 350,923 Discount rate 2 - 4 % 3 % Prepayment rate (annual CPR) 17 - 30 % 18 % Expected remaining life (3) 4 - 5 yrs 5 yrs Mortgage servicing income 2 - 18 bps 11 bps MSRs 12,438 Discount rate 12 - 15 % 13 % Prepayment rate (annual CPR) 6 - 79 % 24 % Per loan annual cost to service $ 95 - $ 95 $ 95 Excess MSRs 44,231 Discount rate 13 - 19 % 17 % Prepayment rate (annual CPR) 19 - 31 % 22 % Excess mortgage servicing amount 9 - 17 bps 11 bps Table 5.7 – Fair Value Methodology for Level 3 Financial Instruments (continued) December 31, 2021 Fair Input Values (Dollars in Thousands, except Input Values) Unobservable Input Range Weighted Assets (continued) Shared Home Appreciation Options $ 33,187 Discount rate 10 - 10 % 10 % Prepayment rate (annual CPR) 1 - 24 % 17 % Home Price Appreciation 3 - 4 % 3 % HEIs held by Point HEI entity $ 159,553 Liability price N/A N/A REO 588 Loss severity 9 - 100 % 17 % Residential loan purchase commitments, net 3,464 Prepayment rate (annual CPR) 20 - 20 % 20 % Whole loan spread to TBA price $ 2.56 - $ 2.56 $ 2.56 Whole loan spread to swap rate 185 - 185 bps 185 bps Pull-through rate 7 - 100 % 69 % Committed sales price $ 101.97 - $ 102.62 $ 102.07 Single-family rental interest rate lock commitments 666 Senior credit spread 85 - 85 bps 85 bps Subordinate credit spread 125 - 1,517 bps 450 bps Senior credit support 30 - 30 % 30 % IO discount rate 8 - 8 % 8 % Prepayment rate (annual CPR) 3 - 3 % 3 % Pull-through rate 100 100 % 100 % Liabilities ABS issued (2) At consolidated Sequoia entities 3,610,929 Discount rate 1 - 18 % 4 % Prepayment rate (annual CPR) 7 - 50 % 28 % Default rate — - 37 % 1 % Loss severity 25 - 50 % 32 % At consolidated CAFL SFR entities (4) 3,207,444 Discount rate 1 - 12 % 3 % Prepayment rate (annual CPR) 3 - 3 % 3 % Default rate 5 - 20 % 8 % Loss severity 30 - 30 % 30 % At consolidated Freddie Mac SLST entities 1,445,507 Discount rate 2 - 7 % 3 % Prepayment rate (annual CPR) 6 - 8 % 6 % Default rate 9 - 10 % 9 % Loss severity 35 - 35 % 35 % At consolidated Freddie Mac K-Series entities (4) 441,857 Discount rate 1 - 8 % 2 % At consolidated Point HEI entities (4) 137,410 Discount rate 4 - 15 % 5 % Prepayment rate (annual CPR) 20 - 20 % 20 % Default rate 6 - 6 % 6 % Loss severity 25 - 25 % 25 % Home price appreciation 3 - 4 % 3 % Footnotes to Table 5.7 (1) The weighted average input values for all loan types are based on the unpaid principal balance. The weighted average input values for all other assets and liabilities are based on relative fair value. (2) The fair value of the loans held by consolidated entities was based on the fair value of the ABS issued by these entities, including securities we own, which we determined were more readily observable, in accordance with accounting guidance for collateralized financing entities. At December 31, 2021, the fair value of securities we owned at the consolidated Sequoia, CAFL SFR, Freddie Mac SLST, Freddie Mac K-Series, and Point HEI entities was $248 million, $302 million, $445 million, $32 million, and $10 million, respectively. (3) Represents the estimated average duration of outstanding servicer advances at a given point in time (not taking into account new advances made with respect to the pool). (4) As a market convention, certain securities are priced to a no-loss yield and therefore do not include default and loss severity assumptions. Determination of Fair Value A description of the instruments measured at fair value as well as the general classification of such instruments pursuant to the Level 1, Level 2, and Level 3 valuation hierarchy is listed herein. We generally use both market comparable information and discounted cash flow modeling techniques to determine the fair value of our Level 3 assets and liabilities. Use of these techniques requires determination of relevant inputs and assumptions, some of which represent significant unobservable inputs as indicated in the preceding table. Accordingly, a significant increase or decrease in any of these inputs – such as anticipated credit losses, prepayment rates, interest rates, or other valuation assumptions – in isolation would likely result in a significantly lower or higher fair value measurement. Residential loans, business purpose loans, multifamily loans a nd HEI at con solidated entities We have elected to account for most of our consolidated securitization entities as collateralized financing entities in accordance with GAAP. A CFE is a variable interest entity that holds financial assets and issues beneficial interests in those assets, and these beneficial interests have contractual recourse only to the related assets of the CFE. Accounting guidance for CFEs allows companies to elect to measure both the financial assets and financial liabilities of a CFE using the more observable of the fair value of the financial assets or fair value of the financial liabilities. Pursuant to this guidance, we use the fair value of the ABS issued by the CFEs (which we determined to be more observable) to determine the fair value of the loans held at these entities, whereby the net assets we consolidate in our financial statements related to these entities represent the estimated fair value of our retained interests in the CFEs. Residential loans at Redwood Estimated fair values for residential loans are determined using models that incorporate various observable inputs, including pricing information from whole loan sales and securitizations. Certain significant inputs in these models are considered unobservable and are therefore Level 3 in nature. Significant pricing inputs obtained from market whole loan transaction activity include indicative spreads to indexed TBA prices and indexed swap rates for fixed-rate loans and indexed swap rates for hybrid loans (Level 3). Significant pricing inputs obtained from market securitization activity include indicative spreads to indexed TBA prices for senior MBS and indexed swap rates for subordinate MBS, senior credit support levels, and assumed future prepayment rates (Level 3). These assets would generally decrease in value based upon an increase in the credit spread, prepayment speed, or credit support assumptions. Business purpose loans Business purpose loans include single-family rental loans and bridge loans. Significant inputs in the valuation analysis for these assets are predominantly Level 3 in nature, due to the lack of readily available market quotes and related inputs. Estimated fair values for our securitizable single-family rental loans are determined using models that incorporate various inputs, including pricing information from market comparable securitizations. Certain significant inputs in these models are considered unobservable and are therefore Level 3 in nature. Significant pricing inputs obtained from market activity include indicative spreads to indexed swap rates for senior and subordinate MBS, IO MBS discount rates, senior credit support levels, and assumed future prepayment rates (Level 3). These assets would generally decrease in value based upon an increase in the credit spread, prepayment speed, or credit support assumptions. Non-securitizable single-family rental loans are generally comprised of performing loans that cannot be securitized and certain delinquent loans, and are valued at a dollar price that is informed by various market data, including the estimated fair value of the collateral securing the loan, for which we typically receive third-party appraisals (Level 3). Prices for our bridge loans are determined using discounted cash flow modeling, which incorporates a primary significant unobservable input of discount rate. Cash flows for performing loans are generally based on contractual loan terms, whereas cash flows for delinquent loans are generally based on the estimated fair value of the underlying collateral, for which we typically receive third-party appraisals (Level 3) . These assets would generally decrease in value based upon an increase in the discount rate. Real estate securities Real estate securities include residential, multifamily, and other mortgage-backed securities that are generally illiquid in nature and trade infrequently. Significant inputs in the valuation analysis for these assets are predominantly Level 3 in nature, due to the lack of readily available market quotes and related inputs. For real estate securities, we utilize both market comparable pricing and discounted cash flow analysis valuation techniques. Relevant market indicators that are factored into the analysis include bid/ask spreads, the amount and timing of credit losses, interest rates, and collateral prepayment rates. Estimated fair values are based on applying the market indicators to generate discounted cash flows (Level 3). These cash flow models use significant unobservable inputs such as a discount rate, prepayment rate, default rate and loss severity. The estimated fair value of our securities would generally decrease based upon an increase in discount rate, default rates, loss severities, or a decrease in prepayment rates. Derivative assets and liabilities Our derivative instruments include swaps, swaptions, TBAs, interest rate futures, loan purchase commitments, and forward sale commitments. Fair values of derivative instruments are determined using quoted prices from active markets, when available, or from valuation models and are supported by valuations provided by dealers active in derivative markets. Fair values of TBAs and interest rate futures are generally obtained using quoted prices from active markets (Level 1). Our derivative valuation models for swaps and swaptions require a variety of inputs, including contractual terms, market prices, yield curves, credit curves, measures of volatility, prepayment rates, and correlations of certain inputs. Model inputs can generally be verified and model selection does not involve significant management judgment (Level 2). LPC, IRLC and FSC fair values for residential jumbo and single-family rental loans are estimated based on the estimated fair values of the underlying loans (as described in " Residential loans at Redwood " and " Business purpose loans" above). In addition, fair values for LPCs and IRLCs are estimated based on the probability that the mortgage loan will be purchased or originated (the "Pull-through rate") (Level 3). Servicer advance investments Estimated fair values for servicer advance investments are determined through internal pricing models that estimate future cash flows and utilize certain significant inputs that are considered unobservable and are therefore Level 3 in nature. Our estimations of cash flows include the combined cash flows of all of the components that comprise the servicer advance investments: existing advances, the requirement to purchase future advances, the recovery of advances, and the right to a portion of the associated mortgage servicing fee ("mortgage servicing income"). The valuation technique is based on discounted cash flows. Significant inputs used in the valuations include prepayment rate (of the loans underlying the investments), mortgage servicing income, servicer advance WAL (the weighted-average expected remaining life of servicer advances), and discount rate. These assets would generally decrease in value based upon an increase in prepayment rates, an increase in servicer advance WAL, an increase in discount rate, or a decrease in mortgage servicing income. MSRs MSRs include the rights to service jumbo residential mortgage loans. Significant inputs in the valuation analysis are predominantly Level 3, due to the nature of these instruments and the lack of readily available market quotes. Changes in the fair value of MSRs occur primarily due to the collection/realization of expected cash flows, as well as changes in valuation inputs and assumptions. Estimated fair values are based on applying the inputs to generate the net present value of estimated future MSR income (Level 3). These discounted cash flow models utilize certain significant unobservable inputs including market discount rates, assumed future prepayment rates of serviced loans, and the market cost of servicing. An increase in these unobservable inputs would generally reduce the estimated fair value of the MSRs. Excess MSRs Estimated fair values for excess MSRs are determined through internal pricing models that estimate future cash flows and utilize certain significant inputs that are considered unobservable and are therefore Level 3 in nature. The valuation technique is based on discounted cash flows. Significant unobservable inputs used in the valuations include prepayment rate (of the loans underlying the investments), the amount of excess servicing i

Residential Loans

Residential Loans	12 Months Ended
	Dec. 31, 2021
Receivables [Abstract]
Residential Loans	Residential Loans We acquire residential loans from third-party originators and may sell or securitize these loans or hold them for investment. The following table summarizes the classifications and carrying values of the residential loans owned at Redwood and at consolidated Sequoia and Freddie Mac SLST entities at December 31, 2021 and 2020. Table 6.1 – Classifications and Carrying Values of Residential Loans December 31, 2021 Legacy Sequoia Freddie Mac (In Thousands) Redwood Sequoia SLST Total Held-for-sale at fair value $ 1,845,282 $ — $ — $ — $ 1,845,282 Held-for-investment at fair value — 230,455 3,628,465 1,888,230 5,747,150 Total Residential Loans $ 1,845,282 $ 230,455 $ 3,628,465 $ 1,888,230 $ 7,592,432 December 31, 2020 Legacy Sequoia Freddie Mac (In Thousands) Redwood Sequoia SLST Total Held-for-sale at fair value $ 176,641 $ — $ — $ — $ 176,641 Held-for-investment at fair value — 285,935 1,565,322 2,221,153 4,072,410 Total Residential Loans $ 176,641 $ 285,935 $ 1,565,322 $ 2,221,153 $ 4,249,051 At December 31, 2021, we owned mortgage servicing rights associated with $1.74 billion (principal balance) of residential loans owned at Redwood that were purchased from third-party originators. The value of these MSRs is included in the carrying value of the associated loans on our consolidated balance sheets. We contract with licensed sub-servicers that perform servicing functions for these loans. Residential Loans Held-for-Sale At Fair Value The following table summarizes the characteristics of residential loans held-for-sale at December 31, 2021 and 2020. Table 6.2 – Characteristics of Residential Loans Held-for-Sale (Dollars in Thousands) December 31, 2021 December 31, 2020 Number of loans 2,196 198 Unpaid principal balance $ 1,813,865 $ 172,748 Fair value of loans $ 1,845,282 $ 176,641 Market value of loans pledged as collateral under short-term borrowing agreements $ 1,838,797 $ 156,355 Weighted average coupon 3.27 % 3.14 % Delinquency information Number of loans with 90+ day delinquencies 3 1 Unpaid principal balance of loans with 90+ day delinquencies $ 2,923 $ 1,882 Fair value of loans with 90+ day delinquencies $ 2,304 $ 1,223 Number of loans in foreclosure — — The following table provides the activity of residential loans held-for-sale during the years ended December 31, 2021 and 2020. Table 6.3 – Activity of Residential Loans Held-for-Sale Year Ended December 31, (In Thousands) 2021 2020 Principal balance of loans acquired (1) $ 12,916,155 $ 4,374,201 Principal balance of loans sold 8,244,221 6,463,741 Principal balance of loans transferred to HFI 2,957,694 274,048 Net market valuation gains (losses) recorded (2) 76,144 (15,477) (1) Includes $200 million of loans acquired through calls of seven seasoned Sequoia securitizations. (2) Net market valuation gains (losses) on residential loans held-for-sale are recorded primarily through Mortgage banking activities, net on our consolidated statements of income (loss). Residential Loans Held-for-Investment at Fair Value The following tables summarize the characteristics of the residential loans owned at Redwood and at consolidated Sequoia and Freddie Mac SLST entities at December 31, 2021 and 2020. Table 6.4 – Characteristics of Residential Loans Held-for-Investment December 31, 2021 Legacy Sequoia Freddie Mac (Dollars in Thousands) Sequoia SLST Number of loans 1,583 4,300 11,986 Unpaid principal balance $ 264,057 $ 3,605,469 $ 1,932,241 Fair value of loans $ 230,455 $ 3,628,465 $ 1,888,230 Weighted average coupon 1.54 % 3.14 % 4.51 % Delinquency information Number of loans with 90+ day delinquencies (1) 32 18 1,208 Unpaid principal balance of loans with 90+ day delinquencies $ 7,482 $ 15,124 $ 212,961 Fair value of loans with 90+ day delinquencies (2) N/A N/A N/A Number of loans in foreclosure 10 2 241 Unpaid principal balance of loans in foreclosure $ 2,188 $ 1,624 $ 43,637 December 31, 2020 Legacy Sequoia Freddie Mac (Dollars in Thousands) Sequoia SLST Number of loans 1,908 2,177 13,605 Unpaid principal balance $ 333,474 $ 1,550,454 $ 2,247,771 Fair value of loans $ 285,935 $ 1,565,322 $ 2,221,153 Weighted average coupon 1.67 % 4.64 % 4.52 % Delinquency information Number of loans with 90+ day delinquencies (1) 52 94 2,110 Unpaid principal balance of loans with 90+ day delinquencies $ 17,285 $ 74,742 $ 389,245 Fair value of loans with 90+ day delinquencies (2) N/A N/A N/A Number of loans in foreclosure 21 3 245 Unpaid principal balance of loans in foreclosure $ 4,939 $ 2,251 $ 38,610 (1) For loans held at consolidated entities, the number of loans greater than 90 days delinquent includes loans in foreclosure. (2) The fair value of the loans held by consolidated entities was based on the fair value of the ABS issued by these entities, including securities we own, which we determined were more readily observable, in accordance with accounting guidance for collateralized financing entities. The following table provides the activity of residential loans held-for-investment at Redwood during the years ended December 31, 2021 and 2020. Table 6.5 – Activity of Residential Loans Held-for-Investment at Redwood Year Ended December 31, (In Thousands) 2021 2020 Fair value of loans transferred from HFS to HFI $ — $ 13,258 Fair value of loans transferred from HFI to HFS — 1,870,986 Net market valuation gains (losses) recorded (1) — (93,314) (1) Subsequent to the transfer of these loans to our investment portfolio, net market valuation gains (losses) on residential loans held-for-investment at Redwood are recorded through Investment fair value changes, net on our consolidated statements of income (loss). The following table provides the activity of residential loans held-for-investment at consolidated entities during the years ended December 31, 2021 and 2020. Table 6.6 – Activity of Residential Loans Held-for-Investment at Consolidated Entities Year Ended December 31, 2021 Year Ended December 31, 2020 Legacy Sequoia Freddie Mac Legacy Sequoia Freddie Mac (In Thousands) Sequoia SLST Sequoia SLST Fair value of loans transferred from HFS to HFI (1) N/A $ 3,035,100 N/A N/A $ 270,506 N/A Net market valuation gains (losses) recorded (2) $ 12,125 $ (66,727) $ (14,735) $ (30,900) $ (30,356) $ 35,131 (1) Represents the transfer of loans from held-for-sale to held-for-investment associated with Sequoia securitizations. (2) For loans held at our consolidated Legacy Sequoia, Sequoia, and Freddie Mac SLST entities, market value changes are based on the estimated fair value of the associated ABS issued, pursuant to collateralized financing entity guidelines. The net impact to our income statement associated with our economic investments in these securitization entities is presented in Table 5.6 . Residential Loan Characteristics The following table presents the geographic concentration of residential loans recorded on our consolidated balance sheets at December 31, 2021 and 2020. Table 6.7 – Geographic Concentration of Residential Loans December 31, 2021 Geographic Concentration Held-for-Sale Held-for- Held-for- Held-for-Investment at Freddie Mac SLST California 29 % 18 % 35 % 14 % Texas 11 % 5 % 12 % 3 % Washington 8 % 1 % 5 % 2 % Colorado 7 % 2 % 6 % 1 % Florida 6 % 14 % 4 % 10 % Arizona 5 % 1 % 3 % 2 % New York 2 % 11 % 2 % 10 % New Jersey 1 % 5 % 1 % 7 % Illinois 2 % 3 % 4 % 5 % Maryland 1 % 2 % 2 % 5 % Ohio — % 5 % — % 2 % Other states (none greater than 5%) 28 % 33 % 26 % 39 % Total 100 % 100 % 100 % 100 % December 31, 2020 Geographic Concentration Held-for-Sale Held-for- Held-for- Held-for-Investment at Freddie Mac SLST California 43 % 17 % 34 % 14 % Washington 7 % 1 % 5 % 2 % Texas 10 % 5 % 10 % 3 % Colorado 5 % 3 % 3 % 1 % Florida 3 % 14 % 6 % 10 % Illinois 3 % 3 % 2 % 5 % Maryland 2 % 2 % 1 % 5 % New Jersey 1 % 5 % 2 % 7 % New York 1 % 10 % 5 % 10 % Ohio — % 5 % — % 2 % Other states (none greater than 5%) 25 % 35 % 32 % 41 % Total 100 % 100 % 100 % 100 % T he following table displays the loan product type and accompanying loan characteristics of residential loans recorded on our consolidated balance sheets at December 31, 2021 and 2020. Table 6.8 – Product Types and Characteristics of Residential Loans December 31, 2021 (In Thousands) Loan Balance Number of Interest Rate (1) Maturity Total 30-89 90+ Held-for-Sale: Hybrid ARM loans $ — to $250 1 1.88 % to 1.88% 2032-11 - 2032-11 $ 45 $ — $ — $ 251 to $500 4 3.25 % to 3.50% 2042-08 - 2042-09 1,880 — — $ 501 to $750 18 2.38 % to 3.63% 2042-04 - 2052-01 11,872 — — $ 751 to $1,000 14 2.50 % to 4.00% 2042-06 - 2052-01 12,288 — — over $1,000 20 2.38 % to 3.88% 2042-01 - 2052-01 25,308 — — 57 51,393 — — Fixed loans $ — to $250 63 3.13 % to 5.00% 2026-04 - 2051-12 11,118 — — $ 251 to $500 133 2.75 % to 5.50% 2026-12 - 2051-11 51,737 — — $ 501 to $750 790 2.50 % to 5.88% 2026-12 - 2052-01 514,785 — 1,093 $ 751 to $1,000 735 2.63 % to 5.63% 2041-07 - 2052-.01 642,372 — — over $1,000 418 2.50 % to 4.75% 2041-10 - 2052-.01 542,460 — 1,830 2,139 1,762,472 — 2,923 Total Held-for-Sale 2,196 $ 1,813,865 $ — $ 2,923 Held-for-Investment at Legacy Sequoia: ARM loans: $ — to $250 1,273 0.38 % to 5.63% 2022-01 - 2035-11 $ 115,437 $ 3,189 $ 2,691 $ 251 to $500 206 0.75 % to 3.88% 2024-05 - 2035-11 71,306 2,831 2,124 $ 501 to $750 68 0.25 % to 4.13% 2027-05 - 2035-07 42,128 555 1,842 $ 751 to $1,000 15 0.75 % to 3.75% 2028-03 - 2036-03 12,868 1,811 825 over $1,000 12 0.88 % to 2.00% 2028-06 - 2035-04 18,668 1,175 — 1,574 260,407 9,561 7,482 Hybrid ARM loans: $ — to $250 3 2.63 % to 2.63% 2033-09 - 2033-10 650 — — $ 251 to $500 4 2.50 % to 2.63% 2033-07 - 2034-03 1,341 — — $ 501 to $750 1 2.50 % to 2.50% 2033-08 - 2033-08 518 — — over $1,000 1 2.63 % to 2.63% 2033-09 - 2033-09 1,140 — — 9 3,649 — — Total HFI at Legacy Sequoia: 1,583 $ 264,056 $ 9,561 $ 7,482 Table 6.8 – Product Types and Characteristics of Residential Loans (continued) December 31, 2021 (In Thousands) Loan Balance Number of Interest Rate (1) Maturity Total 30-89 90+ Held-for-Investment at Sequoia: Hybrid ARM loans $ — to $250 2 5.50 % to 6.75% 2048-03 - 2048-09 $ 397 $ 191 $ — $ 251 to $500 3 3.25 % to 3.63% 2047-04 - 2049-06 1,354 — — $ 501 to $750 8 3.38 % to 4.50% 2044-04 - 2049-08 5,321 — — $ 751 to $1,000 8 3.13 % to 5.00% 2047-06 - 2049-08 6,659 — — over $1,000 7 3.50 % to 5.00% 2044-11 - 2050-01 8,934 — — 28 22,665 191 — Fixed loans: $ — to $250 43 2.75 % to 5.13% 2029-04 - 2051-06 $ 8,630 $ — $ — $ 251 to $500 162 2.50 % to 6.13% 2033-06 - 2051-09 69,442 2,390 462 $ 501 to $750 1,691 2.13 % to 6.75% 2031-04 - 2051-12 1,093,766 10,894 3,498 $ 751 to $1,000 1,497 2.13 % to 6.25% 2036-12 - 2051-11 1,311,640 9,477 4,931 over $1,000 879 1.88 % to 5.88% 2036-07 - 2051-11 1,099,328 8,508 6,233 4,272 3,582,806 31,269 15,124 4,300 $ 3,605,471 $ 31,460 $ 15,124 Held-for-Investment at Freddie Mac SLST: Fixed loans: $ — to $250 9,798 2.00 % to 11.00% 2021-12 2061-10 $ 1,224,173 $ 222,541 $ 114,622 $ 251 to $500 2,141 2.00 % to 7.75% 2035-08 2059-08 681,885 114,360 91,149 $ 501 to $750 46 2.00 % to 5.88% 2043-08 2059-01 25,165 3,127 7,190 over $1,000 1 4.00 % to 4.00% 2056-03 2056-03 1,018 1,018 — Total Held-for-Investment 11,986 $ 1,932,241 $ 341,046 $ 212,961 Table 6.8 – Product Types and Characteristics of Residential Loans (continued) December 31, 2020 (In Thousands) Loan Balance Number of Interest Rate (1) Maturity Total 30-89 90+ Held-for-Sale: Hybrid ARM loans $ — to $250 1 2.00 % to 2.00% 2032-11 - 2032-11 $ 49 $ — $ — $ 751 to $1,000 1 4.38 % to 4.38% 2047-10 - 2047-10 970 970 — 2 1,019 970 — Fixed loans $ — to $250 1 4.69 % to 4.69% 2044-03 - 2044-03 219 219 — $ 251 to $500 — — % to —% 0 - 0 — — — $ 501 to $750 75 2.50 % to 5.50% 2045-12 - 2051-01 48,933 1,127 — $ 751 to $1,000 80 2.38 % to 4.63% 2050-04 - 2051-01 71,137 — — over $1,000 40 2.38 % to 5.00% 2040-11 - 2051-01 51,440 1,046 1,882 196 171,729 2,392 1,882 Held-for-Sale 198 $ 172,748 $ 3,362 $ 1,882 Held-for-Investment at Legacy Sequoia: ARM loans: $ — to $250 1,524 0.25 % to 5.63% 2020-10 - 2036-05 $ 146,100 $ 4,208 $ 3,966 $ 251 to $500 251 0.50 % to 4.13% 2024-05 - 2035-11 86,676 1,908 4,392 $ 501 to $750 79 0.25 % to 4.13% 2027-05 - 2035-01 48,437 714 1,192 $ 751 to $1,000 27 0.75 % to 3.75% 2028-03 - 2036-03 21,875 — 3,175 over $1,000 18 1.00 % to 2.38% 2028-05 - 2035-04 26,422 — 4,560 1,899 329,510 6,830 17,285 Hybrid ARM loans: $ — to $250 2 2.63 % to 2.63% 2033-09 - 2033-10 439 — — $ 251 to $500 5 2.63 % to 4.00% 2033-07 - 2034-03 1,748 410 — $ 501 to $750 1 2.75 % to 2.75% 2033-08 - 2033-08 556 — — over $1,000 1 2.63 % to 2.63% 2033-09 - 2033-09 1,221 — — 9 3,964 410 — Total HFI at Legacy Sequoia: 1,908 $ 333,474 $ 7,240 $ 17,285 Table 6.8 – Product Types and Characteristics of Residential Loans (continued) December 31, 2020 (In Thousands) Loan Balance Number of Interest Rate (1) Maturity Total 30-89 90+ Held-for-Investment at Sequoia: Hybrid ARM loans $ — to $250 3 5.50 % to 6.75% 2048-03 - 2048-10 $ 607 $ — $ — $ 251 to $500 5 3.50 % to 3.63% 2046-11 - 2049-06 2,196 440 — $ 501 to $750 19 3.25 % to 4.75% 2044-04 - 2049-09 12,214 682 671 $ 751 to $1,000 15 3.13 % to 5.00% 2043-12 - 2049-08 12,911 960 1,744 over $1,000 12 3.50 % to 5.00% 2044-11 - 2050-02 15,716 — — 54 43,644 2,082 2,415 Fixed loans: $ — to $250 48 2.75 % to 5.50 % 2029-04 - 2049-09 $ 9,508 $ — $ 191 $ 251 to $500 285 3.13 % to 6.13 % 2033-06 - 2050-03 122,327 4,728 2,225 $ 501 to $750 1,004 3 % to 6.75 % 2031-04 - 2050-04 617,488 15,214 24,842 $ 751 to $1,000 556 3.25 % to 6.50 % 2036-12 - 2050-04 478,938 10,482 21,155 over $1,000 230 3.15 % to 5.88 % 2036-07 - 2050-04 278,549 4,868 23,914 2,123 1,506,810 35,292 72,327 2,177 $ 1,550,454 $ 37,374 $ 74,742 Held-for-Investment at Freddie Mac SLST: Fixed loans: $ — to $250 11,007 2.00 % to 11.00% 2020-12 - 2059-10 $ 1,407,107 $ 283,745 $ 206,724 $ 251 to $500 2,545 2.00 % to 7.75% 2035-05 - 2059-01 811,191 143,195 172,995 $ 501 to $750 52 2.00 % to 6.75% 2043-08 - 2058-07 28,461 6,863 9,526 over $1,000 1 4.00 % to 4.00% 2056-03 - 2056-03 1,012 1,012 — Total HFI at Freddie Mac SLST: 13,605 $ 2,247,771 $ 434,815 $ 389,245 We originate and invest in business purpose loans, including single-family rental ("SFR") loans and bridge loans. The following table summarizes the classifications and carrying values of the business purpose loans owned at Redwood and at consolidated CAFL entities at December 31, 2021 and 2020. Table 7.1 – Classifications and Carrying Values of Business Purpose Loans December 31, 2021 Single-Family Rental Bridge (In Thousands) Redwood CAFL Redwood CAFL Total Held-for-sale at fair value $ 358,309 $ — $ — $ — $ 358,309 Held-for-investment at fair value — 3,488,074 666,364 278,242 4,432,680 Total Business Purpose Loans $ 358,309 $ 3,488,074 $ 666,364 $ 278,242 $ 4,790,989 December 31, 2020 Single-Family Rental Single-Family Rental (In Thousands) Redwood CAFL Redwood CAFL Total Held-for-sale at fair value $ 245,394 $ — $ — $ — $ 245,394 Held-for-investment at fair value — 3,249,194 641,765 — 3,890,959 Total Business Purpose Loans $ 245,394 $ 3,249,194 $ 641,765 $ — $ 4,136,353 Nearly all of the outstanding single-family rental loans at December 31, 2021 were first-lien, fixed-rate loans with original maturities of five, seven, or ten years, with less than 2% with original maturities of 30 years. The outstanding bridge loans held-for-investment at December 31, 2021 were first-lien, interest-only loans with original maturities of six Business Purpose Loans at Redwood The following table provides the activity of business purpose loans during the years ended December 31, 2021 and 2020. Table 7.2 – Activity of Business Purpose Loans Twelve Months Ended Twelve Months Ended (In Thousands) HFS SFR at Redwood Bridge at Redwood HFS SFR at Redwood Bridge at Redwood Principal balance of loans originated $ 1,254,913 $ 894,908 $ 979,696 $ 451,554 Principal balance of loans acquired 68,804 65,315 — — Principal balance of loans sold to third parties 193,963 9,484 110,836 25,151 Fair value of loans transferred (1) 1,116,443 358,884 1,292,633 N/A Fair value of loans transferred from HFI to HFS (2) 92,455 — — N/A Mortgage banking activities income (loss) recorded (3) 63,206 7,187 81,032 (2,916) Investment fair value changes recorded (4) — 1,483 (20,806) (10,629) (1) Represents the transfer of loans from held-for-sale to held-for-investment associated with CAFL SFR securitizations and the transfer of bridge loans from "Bridge at Redwood" to "Bridge at CAFL" resulting from their securitization. (2) Represents the transfer of single-family rental loans from held-for-investment to held-for-sale associated with the call of consolidated CAFL securitizations during 2021. (3) Represents net market valuation changes from the time a loan is originated to when it is sold or transferred to our investment portfolio. Additionally, for the year ended December 31, 2021 and 2020 we recorded loan origination fee income of $34 million and $19 million, respectively, through Mortgage banking activities, net on our consolidated statements of income (loss). (4) Represents net market valuation changes for loans classified as held-for-investment. At December 31, 2021, we had a $625 million commitment to fund bridge loans. See Note 16 for additional information on this commitment. Business Purpose Loans Held-for-Investment at CAFL We invest in securities issued by CAFL securitizations sponsored by CoreVest and consolidate the underlying single-family rental loans and bridge loans owned by these entities. The following table provides the activity of business purpose loans held-for-investment at CAFL during the years ended December 31, 2021 and 2020. Table 7.3 – Activity of Business Purpose Loans Held-for-Investment at CAFL Year Ended Year Ended (In Thousands) SFR at Bridge at CAFL SFR at Bridge at CAFL Net market valuation gains (losses) recorded (1) $ (158,081) $ (1,548) $ 32,331 $ — (1) For loans held at our consolidated CAFL entities, market value changes are based on the estimated fair value of the associated ABS issued, including securities we own, pursuant to collateralized financing entity guidelines. The net impact to our income statement associated with our economic investments in these securitization entities is presented in Table 4.2 . REO See Note 12 for detail on BPL loans transferred to REO during 2021. Business Purpose Loan Characteristics The following tables summarize the characteristics of the business purpose loans owned at Redwood at December 31, 2021 and 2020. Table 7.4 – Characteristics of Business Purpose Loans December 31, 2021 SFR at Redwood SFR at Bridge at Redwood Bridge at CAFL (Dollars in Thousands) Number of loans 245 1,173 1,134 1,640 Unpaid principal balance $ 348,232 $ 3,340,949 $ 670,392 $ 274,617 Fair value of loans $ 358,309 $ 3,488,074 $ 666,364 $ 278,242 Weighted average coupon 4.73 % 5.17 % 6.91 % 7.05 % Weighted average remaining loan term (years) 12 6 1 1 Market value of loans pledged as collateral under short-term debt facilities $ 75,873 N/A $ 91,814 N/A Market value of loans pledged as collateral under long-term debt facilities $ 244,703 N/A $ 554,597 N/A Delinquency information Number of loans with 90+ day delinquencies (1) 6 18 31 — Unpaid principal balance of loans with 90+ day delinquencies $ 5,384 $ 41,998 $ 18,032 $ — Fair value of loans with 90+ day delinquencies (2) $ 4,238 N/A $ 14,218 $ — Number of loans in foreclosure 7 9 28 — Unpaid principal balance of loans in foreclosure $ 5,473 $ 12,648 $ 18,043 $ — Fair value of loans in foreclosure (2) $ 4,305 N/A $ 14,257 $ — December 31, 2020 SFR at Redwood SFR at Bridge at Redwood Bridge at CAFL (Dollars in Thousands) Number of loans 65 1,094 1,725 — Unpaid principal balance $ 234,475 $ 3,017,137 $ 649,532 $ — Fair value of loans $ 245,394 $ 3,249,194 $ 641,765 $ — Weighted average coupon 4.84 % 5.44 % 8.09 % — % Weighted average remaining loan term (years) 8 5 1 — Market value of loans pledged as collateral under short-term debt facilities $ 34,098 N/A $ 92,931 N/A Market value of loans pledged as collateral under long-term debt facilities $ 154,774 N/A $ 544,151 N/A Delinquency information Number of loans with 90+ day delinquencies (1) 10 22 31 — Unpaid principal balance of loans with 90+ day delinquencies $ 7,127 $ 61,440 $ 39,415 $ — Fair value of loans with 90+ day delinquencies (2) $ 6,143 N/A $ 33,605 $ — Number of loans in foreclosure — 10 25 — Unpaid principal balance of loans in foreclosure $ — $ 24,745 $ 38,552 $ — Fair value of loans in foreclosure (2) $ — N/A $ 33,066 $ — Footnotes to Table 7.4 (1) The number of loans greater than 90 days delinquent includes loans in foreclosure. (2) The fair value of the loans held by consolidated entities was based on the fair value of the ABS issued by these entities, including securities we own, which we determined were more readily observable, in accordance with accounting guidance for collateralized financing entities. The following table presents the geographic concentration of business purpose loans recorded on our consolidated balance sheets at December 31, 2021. Table 7.5 – Geographic Concentration of Business Purpose Loans December 31, 2021 Geographic Concentration SFR at Redwood SFR at CAFL Bridge at Redwood Bridge at CAFL Florida 15 % 7 % 10 % 17 % Texas 11 % 15 % 7 % 13 % Alabama 11 % 3 % 9 % 3 % Connecticut 9 % 6 % 4 % 3 % New Jersey 7 % 8 % 9 % 12 % New York 2 % 2 % 2 % 9 % Georgia 5 % 5 % 20 % 7 % California 5 % 5 % 3 % 5 % Illinois 2 % 5 % 4 % 4 % Tennessee — % 3 % 11 % 2 % Other states (none greater than 5%) 33 % 41 % 21 % 25 % Total 100 % 100 % 100 % 100 % December 31, 2020 Geographic Concentration SFR at Redwood SFR at CAFL Bridge at Redwood Bridge at CAFL Texas 24 % 15 % 4 % — % New Jersey 17 % 11 % 9 % — % Georgia 12 % 5 % 8 % — % Florida 10 % 8 % 11 % — % Connecticut 8 % 4 % 1 % — % New York 5 % 1 % 8 % — % Arizona 5 % 2 % 1 % — % California 5 % 5 % 13 % — % Illinois 5 % 4 % 7 % — % Alabama 2 % 3 % 6 % — % Indiana 2 % 3 % 5 % — % Tennessee — % 3 % 6 % — % Other states (none greater than 5%) 5 % 36 % 21 % — % Total 100 % 100 % 100 % — % T he following table displays the loan product type and accompanying loan characteristics of business purpose loans recorded on our consolidated balance sheets at December 31, 2021. Table 7.6 – Product Types and Characteristics of Business Purpose Loans December 31, 2021 (In Thousands) Loan Balance Number of Interest Maturity Total 30-89 90+ SFR at Redwood: Fixed loans: $ — to $250 74 3.75 % to 7.75% 2048-11 - 2052-01 $ 11,515 $ 89 $ 171 $ 251 to $500 57 3.75 % to 6.50% 2026-01 - 2052-01 21,284 — — $ 501 to $750 28 3.75 % to 6.70% 2021-01 - 2052-01 16,773 — 536 $ 751 to $1,000 12 4.13 % to 5.43% 2026-12 - 2052-01 9,764 — — over $1,000 74 3.38 % to 7.15% 2020-01 - 2052-01 288,896 — 4,677 Total SFR at Redwood: 245 $ 348,232 $ 89 $ 5,384 SFR at CAFL: Fixed loans: $ — to $250 5 5.77 % to 6.80% 2023-01 - 2024-04 $ 398 $ 20 $ — $ 251 to $500 73 4.64 % to 7.03% 2022-02 - 2031-02 32,106 466 257 $ 501 to $750 199 4.00 % to 7.06% 2022-02 - 2031-10 123,685 717 1,224 $ 751 to $1,000 134 4.20 % to 7.23% 2022-03 - 2031-09 116,724 788 — over $1,000 762 3.81 % to 7.57% 2022-03 - 2030-10 3,068,036 26,481 40,518 Total SFR at CAFL: 1,173 $ 3,340,949 $ 28,472 $ 41,999 Bridge at Redwood Fixed Loans: $ — to $250 115 5.95 % to 12.00% 2019-08 - 2023-11 $ 12,850 $ 426 $ 1,493 $ 251 to $500 26 5.95 % to 10.00% 2020-05 - 2023-09 9,294 253 1,619 $ 501 to $750 13 6.70 % to 10.00% 2021-02 - 2022-11 8,498 637 2,012 $ 751 to $1,000 9 5.45 % to 10.00% 2021-09 - 2022-10 7,544 980 — over $1,000 24 5.45 % to 10.00% 2020-07 - 2023-10 57,880 11,699 11,992 187 96,066 13,995 17,116 Floating Loans: $ — to $250 737 4.25 % to 10.00% 2019-08 - 2023-11 $ 65,611 $ 773 $ — $ 251 to $500 123 4.25 % to 8.25% 2020-05 - 2023-12 42,248 — — $ 501 to $750 9 5.75 % to 8.60% 2021-03 - 2024-02 5,724 — — $ 751 to $1,000 12 5.75 % to 7.50% 2020-12 - 2024-02 10,200 945 916 over $1,000 66 4.90 % to 9.50% 2021-03 - 2024-12 450,543 1,680 — 947 574,326 3,398 916 Total Bridge at Redwood: 1,134 $ 670,392 $ 17,393 $ 18,032 Bridge at CAFL: Fixed loans: $ — to $250 808 5.45 % to 10.65% 2022-01 - 2023-05 $ 58,110 $ — $ — $ 251 to $500 70 5.95 % to 10.50% 2022-01 - 2023-03 23,488 — — $ 501 to $750 24 5.95 % to 9.99% 2022-01 - 2023-08 15,041 — — $ 751 to $1,000 7 5.45 % to 8.99% 2022-01 - 2023-04 6,375 — — over $1,000 11 6.25 % to 9.00% 2022-01 - 2023-11 32,864 — — 920 135,878 — — Floating Loans: $ — to $250 681 5.85 % to 10.50% 2021-10 - 2023-09 $ 77,001 $ 2,091 $ — $ 251 to $500 13 5.95 % to 8.35% 2021-10 - 2023-09 4,088 783 — $ 501 to $750 5 5.75 % to 8.50% 2021-10 - 2023-10 3,097 552 — $ 751 to $1,000 3 6.75 % to 7.25% 2022-04 - 2023-06 2,546 — — over $1,000 18 5.75 % to 10.00% 2021-11 - 2023-12 52,007 — — 720 138,739 3,426 — Total Bridge at CAFL: 1,640 $ 274,617 $ 3,426 $ — December 31, 2020 (In Thousands) Loan Balance Number of Interest Maturity Total 30-89 90+ SFR HFS: Fixed loans: $ — to $250 8 6.25 % to 7.75% 2027-03 - 2050-03 $ 1,060 $ — $ 635 $ 251 to $500 1 5.97 % to 5.97% 2021-02 - 2021-02 483 — — $ 501 to $750 6 5.84 % to 6.75% 2026-01 - 2031-01 3,632 — — $ 751 to $1,000 10 5.15 % to 6.39% 2020-05 - 2031-01 8,936 — 1,815 over $1,000 40 3.82 % to 5.95% 2020-07 - 2031-01 220,364 — 4,677 Total SFR HFS: 65 $ 234,475 $ — $ 7,127 SFR HFI at CAFL: Fixed loans: $ — to $250 5 5.77 % to 7.05% 2022-07 - 2030-08 $ 1,016 $ — $ — $ 251 to $500 67 4.64 % to 6.96% 2021-07 - 2031-01 29,977 — — $ 501 to $750 212 4.12 % to 7.06% 2020-11 - 2030-12 130,665 — 1,752 $ 751 to $1,000 131 4.33 % to 7.23% 2021-01 - 2031-01 113,874 764 750 over $1,000 679 3.93 % to 7.57% 2020-11 - 2031-01 2,741,605 3,867 58,938 Total SFR HFI at CAFL: 1,094 $ 3,017,137 $ 4,631 $ 61,440 Residential Bridge Fixed loans: $ — to $250 393 6.99 % to 12.00% 2019-08 - 2022-12 $ 44,225 $ 6,530 $ 1,668 $ 251 to $500 90 6.99 % to 13.00% 2020-05 - 2021-11 30,472 945 1,423 $ 501 to $750 31 6.99 % to 10.00% 2020-07 - 2021-10 18,843 — 540 $ 751 to $1,000 12 6.99 % to 9.50% 2020-10 - 2022-03 10,430 — 943 over $1,000 65 6.04 % to 10.25% 2020-03 - 2022-12 203,215 — 34,841 591 $ 307,185 $ 7,475 $ 39,415 Floating Loans: $ — to $250 1,047 5.75 % to 10.25% 2020-11 - 2022-08 $ 84,371 $ — $ — $ 251 to $500 20 6.65 % to 8.60% 2020-11 - 2021-12 7,135 — — $ 501 to $750 8 7.05 % to 8.50% 2020-11 - 2021-10 4,940 — — $ 751 to $1,000 9 6.50 % to 8.00% 2020-12 - 2021-11 7,795 — — over $1,000 50 6.50 % to 9.50% 2021-01 - 2022-12 238,105 — — 1,134 $ 342,346 $ — $ — Total Residential Bridge: 1,725 $ 649,531 $ 7,475 $ 39,415 Since 2018, we have invested in multifamily subordinate securities issued by Freddie Mac K-Series securitization trusts and were required to consolidate the underlying multifamily loans owned at these entities for financial reporting purposes in accordance with GAAP. During the first quarter of 2020, we sold subordinate securities issued by four such Freddie Mac K-Series securitization trusts and deconsolidated $3.85 billion of multifamily loans. See Note 2 for further discussion. The following table summarizes the characteristics of the multifamily loans consolidated at Redwood at December 31, 2021 and 2020. Table 8.1 – Characteristics of Multifamily Loans (Dollars in Thousands) December 31, 2021 December 31, 2020 Number of loans 28 28 Unpaid principal balance $ 455,168 $ 462,808 Fair value of loans $ 473,514 $ 492,221 Weighted average coupon 4.25 % 4.25 % Weighted average remaining loan term (years) 4 5 Delinquency information Number of loans with 90+ day delinquencies — — Number of loans in foreclosure — — The outstanding multifamily loans held-for-investment at the Freddie Mac K-Series entity at December 31, 2021 were first-lien, fixed-rate loans that were originated in 2015 and had original loan terms of ten years. The following table provides the activity of multifamily loans held-for-investment during the year months ended December 31, 2021 and 2020. Table 8.2 – Activity of Multifamily Loans Held-for-Investment Year Ended December 31, (In Thousands) 2021 2020 Net market valuation gains (losses) recorded (1) $ (11,068) $ (58,821) (1) Net market valuation gains (losses) on multifamily loans held-for-investment are recorded through Investment fair value changes, net on our consolidated statements of income (loss). For loans held at our consolidated Freddie Mac K-Series entities, market value changes are based on the estimated fair value of the associated ABS issued, including securities we own, pursuant to collateralized financing entity guidelines. The net impact to our income statement associated with our economic investment in these securitization entities is presented in Table 5.6. Multifamily Loan Characteristics The following table presents the geographic concentration of multifamily loans recorded on our consolidated balance sheets at December 31, 2021. Table 8.3 – Geographic Concentration of Multifamily Loans Geographic Concentration December 31, 2021 December 31, 2020 California 13 % 13 % Florida 13 % 13 % North Carolina 9 % 9 % Oregon 7 % 7 % Hawaii 5 % 5 % Tennessee 5 % 5 % Other states (none greater than 5%) 48 % 48 % Total 100 % 100 % T he following table displays the loan product type and accompanying loan characteristics of multifamily loans recorded on our consolidated balance sheets at December 31, 2021. Table 8.4 – Product Types and Characteristics of Multifamily Loans December 31, 2021 (In Thousands) Loan Balance Number of Interest Maturity Total 30-89 90+ Fixed loans: $ 10,001 to $20,000 24 4.25 % to 4.25% 2025-09 - 2025-09 $ 364,811 $ — $ — $ 20,001 to $30,000 4 4.25 % to 4.25% 2025-09 - 2025-09 90,357 — — Total: 28 $ 455,168 $ — $ — December 31, 2020 (In Thousands) Loan Balance Number of Interest Maturity Total 30-89 90+ Fixed loans: $ 10,001 to $20,000 24 4.25 % to 4.25% 2025-09 - 2025-09 $ 370,934 $ — $ — $ 20,001 to $30,000 4 4.25 % to 4.25% 2025-09 - 2025-09 91,874 — — Total: 28 $ 462,808 $ — $ —

Business Purpose Loans

Business Purpose Loans	12 Months Ended
	Dec. 31, 2021
Receivables [Abstract]
Business Purpose Loans	Residential Loans We acquire residential loans from third-party originators and may sell or securitize these loans or hold them for investment. The following table summarizes the classifications and carrying values of the residential loans owned at Redwood and at consolidated Sequoia and Freddie Mac SLST entities at December 31, 2021 and 2020. Table 6.1 – Classifications and Carrying Values of Residential Loans December 31, 2021 Legacy Sequoia Freddie Mac (In Thousands) Redwood Sequoia SLST Total Held-for-sale at fair value $ 1,845,282 $ — $ — $ — $ 1,845,282 Held-for-investment at fair value — 230,455 3,628,465 1,888,230 5,747,150 Total Residential Loans $ 1,845,282 $ 230,455 $ 3,628,465 $ 1,888,230 $ 7,592,432 December 31, 2020 Legacy Sequoia Freddie Mac (In Thousands) Redwood Sequoia SLST Total Held-for-sale at fair value $ 176,641 $ — $ — $ — $ 176,641 Held-for-investment at fair value — 285,935 1,565,322 2,221,153 4,072,410 Total Residential Loans $ 176,641 $ 285,935 $ 1,565,322 $ 2,221,153 $ 4,249,051 At December 31, 2021, we owned mortgage servicing rights associated with $1.74 billion (principal balance) of residential loans owned at Redwood that were purchased from third-party originators. The value of these MSRs is included in the carrying value of the associated loans on our consolidated balance sheets. We contract with licensed sub-servicers that perform servicing functions for these loans. Residential Loans Held-for-Sale At Fair Value The following table summarizes the characteristics of residential loans held-for-sale at December 31, 2021 and 2020. Table 6.2 – Characteristics of Residential Loans Held-for-Sale (Dollars in Thousands) December 31, 2021 December 31, 2020 Number of loans 2,196 198 Unpaid principal balance $ 1,813,865 $ 172,748 Fair value of loans $ 1,845,282 $ 176,641 Market value of loans pledged as collateral under short-term borrowing agreements $ 1,838,797 $ 156,355 Weighted average coupon 3.27 % 3.14 % Delinquency information Number of loans with 90+ day delinquencies 3 1 Unpaid principal balance of loans with 90+ day delinquencies $ 2,923 $ 1,882 Fair value of loans with 90+ day delinquencies $ 2,304 $ 1,223 Number of loans in foreclosure — — The following table provides the activity of residential loans held-for-sale during the years ended December 31, 2021 and 2020. Table 6.3 – Activity of Residential Loans Held-for-Sale Year Ended December 31, (In Thousands) 2021 2020 Principal balance of loans acquired (1) $ 12,916,155 $ 4,374,201 Principal balance of loans sold 8,244,221 6,463,741 Principal balance of loans transferred to HFI 2,957,694 274,048 Net market valuation gains (losses) recorded (2) 76,144 (15,477) (1) Includes $200 million of loans acquired through calls of seven seasoned Sequoia securitizations. (2) Net market valuation gains (losses) on residential loans held-for-sale are recorded primarily through Mortgage banking activities, net on our consolidated statements of income (loss). Residential Loans Held-for-Investment at Fair Value The following tables summarize the characteristics of the residential loans owned at Redwood and at consolidated Sequoia and Freddie Mac SLST entities at December 31, 2021 and 2020. Table 6.4 – Characteristics of Residential Loans Held-for-Investment December 31, 2021 Legacy Sequoia Freddie Mac (Dollars in Thousands) Sequoia SLST Number of loans 1,583 4,300 11,986 Unpaid principal balance $ 264,057 $ 3,605,469 $ 1,932,241 Fair value of loans $ 230,455 $ 3,628,465 $ 1,888,230 Weighted average coupon 1.54 % 3.14 % 4.51 % Delinquency information Number of loans with 90+ day delinquencies (1) 32 18 1,208 Unpaid principal balance of loans with 90+ day delinquencies $ 7,482 $ 15,124 $ 212,961 Fair value of loans with 90+ day delinquencies (2) N/A N/A N/A Number of loans in foreclosure 10 2 241 Unpaid principal balance of loans in foreclosure $ 2,188 $ 1,624 $ 43,637 December 31, 2020 Legacy Sequoia Freddie Mac (Dollars in Thousands) Sequoia SLST Number of loans 1,908 2,177 13,605 Unpaid principal balance $ 333,474 $ 1,550,454 $ 2,247,771 Fair value of loans $ 285,935 $ 1,565,322 $ 2,221,153 Weighted average coupon 1.67 % 4.64 % 4.52 % Delinquency information Number of loans with 90+ day delinquencies (1) 52 94 2,110 Unpaid principal balance of loans with 90+ day delinquencies $ 17,285 $ 74,742 $ 389,245 Fair value of loans with 90+ day delinquencies (2) N/A N/A N/A Number of loans in foreclosure 21 3 245 Unpaid principal balance of loans in foreclosure $ 4,939 $ 2,251 $ 38,610 (1) For loans held at consolidated entities, the number of loans greater than 90 days delinquent includes loans in foreclosure. (2) The fair value of the loans held by consolidated entities was based on the fair value of the ABS issued by these entities, including securities we own, which we determined were more readily observable, in accordance with accounting guidance for collateralized financing entities. The following table provides the activity of residential loans held-for-investment at Redwood during the years ended December 31, 2021 and 2020. Table 6.5 – Activity of Residential Loans Held-for-Investment at Redwood Year Ended December 31, (In Thousands) 2021 2020 Fair value of loans transferred from HFS to HFI $ — $ 13,258 Fair value of loans transferred from HFI to HFS — 1,870,986 Net market valuation gains (losses) recorded (1) — (93,314) (1) Subsequent to the transfer of these loans to our investment portfolio, net market valuation gains (losses) on residential loans held-for-investment at Redwood are recorded through Investment fair value changes, net on our consolidated statements of income (loss). The following table provides the activity of residential loans held-for-investment at consolidated entities during the years ended December 31, 2021 and 2020. Table 6.6 – Activity of Residential Loans Held-for-Investment at Consolidated Entities Year Ended December 31, 2021 Year Ended December 31, 2020 Legacy Sequoia Freddie Mac Legacy Sequoia Freddie Mac (In Thousands) Sequoia SLST Sequoia SLST Fair value of loans transferred from HFS to HFI (1) N/A $ 3,035,100 N/A N/A $ 270,506 N/A Net market valuation gains (losses) recorded (2) $ 12,125 $ (66,727) $ (14,735) $ (30,900) $ (30,356) $ 35,131 (1) Represents the transfer of loans from held-for-sale to held-for-investment associated with Sequoia securitizations. (2) For loans held at our consolidated Legacy Sequoia, Sequoia, and Freddie Mac SLST entities, market value changes are based on the estimated fair value of the associated ABS issued, pursuant to collateralized financing entity guidelines. The net impact to our income statement associated with our economic investments in these securitization entities is presented in Table 5.6 . Residential Loan Characteristics The following table presents the geographic concentration of residential loans recorded on our consolidated balance sheets at December 31, 2021 and 2020. Table 6.7 – Geographic Concentration of Residential Loans December 31, 2021 Geographic Concentration Held-for-Sale Held-for- Held-for- Held-for-Investment at Freddie Mac SLST California 29 % 18 % 35 % 14 % Texas 11 % 5 % 12 % 3 % Washington 8 % 1 % 5 % 2 % Colorado 7 % 2 % 6 % 1 % Florida 6 % 14 % 4 % 10 % Arizona 5 % 1 % 3 % 2 % New York 2 % 11 % 2 % 10 % New Jersey 1 % 5 % 1 % 7 % Illinois 2 % 3 % 4 % 5 % Maryland 1 % 2 % 2 % 5 % Ohio — % 5 % — % 2 % Other states (none greater than 5%) 28 % 33 % 26 % 39 % Total 100 % 100 % 100 % 100 % December 31, 2020 Geographic Concentration Held-for-Sale Held-for- Held-for- Held-for-Investment at Freddie Mac SLST California 43 % 17 % 34 % 14 % Washington 7 % 1 % 5 % 2 % Texas 10 % 5 % 10 % 3 % Colorado 5 % 3 % 3 % 1 % Florida 3 % 14 % 6 % 10 % Illinois 3 % 3 % 2 % 5 % Maryland 2 % 2 % 1 % 5 % New Jersey 1 % 5 % 2 % 7 % New York 1 % 10 % 5 % 10 % Ohio — % 5 % — % 2 % Other states (none greater than 5%) 25 % 35 % 32 % 41 % Total 100 % 100 % 100 % 100 % T he following table displays the loan product type and accompanying loan characteristics of residential loans recorded on our consolidated balance sheets at December 31, 2021 and 2020. Table 6.8 – Product Types and Characteristics of Residential Loans December 31, 2021 (In Thousands) Loan Balance Number of Interest Rate (1) Maturity Total 30-89 90+ Held-for-Sale: Hybrid ARM loans $ — to $250 1 1.88 % to 1.88% 2032-11 - 2032-11 $ 45 $ — $ — $ 251 to $500 4 3.25 % to 3.50% 2042-08 - 2042-09 1,880 — — $ 501 to $750 18 2.38 % to 3.63% 2042-04 - 2052-01 11,872 — — $ 751 to $1,000 14 2.50 % to 4.00% 2042-06 - 2052-01 12,288 — — over $1,000 20 2.38 % to 3.88% 2042-01 - 2052-01 25,308 — — 57 51,393 — — Fixed loans $ — to $250 63 3.13 % to 5.00% 2026-04 - 2051-12 11,118 — — $ 251 to $500 133 2.75 % to 5.50% 2026-12 - 2051-11 51,737 — — $ 501 to $750 790 2.50 % to 5.88% 2026-12 - 2052-01 514,785 — 1,093 $ 751 to $1,000 735 2.63 % to 5.63% 2041-07 - 2052-.01 642,372 — — over $1,000 418 2.50 % to 4.75% 2041-10 - 2052-.01 542,460 — 1,830 2,139 1,762,472 — 2,923 Total Held-for-Sale 2,196 $ 1,813,865 $ — $ 2,923 Held-for-Investment at Legacy Sequoia: ARM loans: $ — to $250 1,273 0.38 % to 5.63% 2022-01 - 2035-11 $ 115,437 $ 3,189 $ 2,691 $ 251 to $500 206 0.75 % to 3.88% 2024-05 - 2035-11 71,306 2,831 2,124 $ 501 to $750 68 0.25 % to 4.13% 2027-05 - 2035-07 42,128 555 1,842 $ 751 to $1,000 15 0.75 % to 3.75% 2028-03 - 2036-03 12,868 1,811 825 over $1,000 12 0.88 % to 2.00% 2028-06 - 2035-04 18,668 1,175 — 1,574 260,407 9,561 7,482 Hybrid ARM loans: $ — to $250 3 2.63 % to 2.63% 2033-09 - 2033-10 650 — — $ 251 to $500 4 2.50 % to 2.63% 2033-07 - 2034-03 1,341 — — $ 501 to $750 1 2.50 % to 2.50% 2033-08 - 2033-08 518 — — over $1,000 1 2.63 % to 2.63% 2033-09 - 2033-09 1,140 — — 9 3,649 — — Total HFI at Legacy Sequoia: 1,583 $ 264,056 $ 9,561 $ 7,482 Table 6.8 – Product Types and Characteristics of Residential Loans (continued) December 31, 2021 (In Thousands) Loan Balance Number of Interest Rate (1) Maturity Total 30-89 90+ Held-for-Investment at Sequoia: Hybrid ARM loans $ — to $250 2 5.50 % to 6.75% 2048-03 - 2048-09 $ 397 $ 191 $ — $ 251 to $500 3 3.25 % to 3.63% 2047-04 - 2049-06 1,354 — — $ 501 to $750 8 3.38 % to 4.50% 2044-04 - 2049-08 5,321 — — $ 751 to $1,000 8 3.13 % to 5.00% 2047-06 - 2049-08 6,659 — — over $1,000 7 3.50 % to 5.00% 2044-11 - 2050-01 8,934 — — 28 22,665 191 — Fixed loans: $ — to $250 43 2.75 % to 5.13% 2029-04 - 2051-06 $ 8,630 $ — $ — $ 251 to $500 162 2.50 % to 6.13% 2033-06 - 2051-09 69,442 2,390 462 $ 501 to $750 1,691 2.13 % to 6.75% 2031-04 - 2051-12 1,093,766 10,894 3,498 $ 751 to $1,000 1,497 2.13 % to 6.25% 2036-12 - 2051-11 1,311,640 9,477 4,931 over $1,000 879 1.88 % to 5.88% 2036-07 - 2051-11 1,099,328 8,508 6,233 4,272 3,582,806 31,269 15,124 4,300 $ 3,605,471 $ 31,460 $ 15,124 Held-for-Investment at Freddie Mac SLST: Fixed loans: $ — to $250 9,798 2.00 % to 11.00% 2021-12 2061-10 $ 1,224,173 $ 222,541 $ 114,622 $ 251 to $500 2,141 2.00 % to 7.75% 2035-08 2059-08 681,885 114,360 91,149 $ 501 to $750 46 2.00 % to 5.88% 2043-08 2059-01 25,165 3,127 7,190 over $1,000 1 4.00 % to 4.00% 2056-03 2056-03 1,018 1,018 — Total Held-for-Investment 11,986 $ 1,932,241 $ 341,046 $ 212,961 Table 6.8 – Product Types and Characteristics of Residential Loans (continued) December 31, 2020 (In Thousands) Loan Balance Number of Interest Rate (1) Maturity Total 30-89 90+ Held-for-Sale: Hybrid ARM loans $ — to $250 1 2.00 % to 2.00% 2032-11 - 2032-11 $ 49 $ — $ — $ 751 to $1,000 1 4.38 % to 4.38% 2047-10 - 2047-10 970 970 — 2 1,019 970 — Fixed loans $ — to $250 1 4.69 % to 4.69% 2044-03 - 2044-03 219 219 — $ 251 to $500 — — % to —% 0 - 0 — — — $ 501 to $750 75 2.50 % to 5.50% 2045-12 - 2051-01 48,933 1,127 — $ 751 to $1,000 80 2.38 % to 4.63% 2050-04 - 2051-01 71,137 — — over $1,000 40 2.38 % to 5.00% 2040-11 - 2051-01 51,440 1,046 1,882 196 171,729 2,392 1,882 Held-for-Sale 198 $ 172,748 $ 3,362 $ 1,882 Held-for-Investment at Legacy Sequoia: ARM loans: $ — to $250 1,524 0.25 % to 5.63% 2020-10 - 2036-05 $ 146,100 $ 4,208 $ 3,966 $ 251 to $500 251 0.50 % to 4.13% 2024-05 - 2035-11 86,676 1,908 4,392 $ 501 to $750 79 0.25 % to 4.13% 2027-05 - 2035-01 48,437 714 1,192 $ 751 to $1,000 27 0.75 % to 3.75% 2028-03 - 2036-03 21,875 — 3,175 over $1,000 18 1.00 % to 2.38% 2028-05 - 2035-04 26,422 — 4,560 1,899 329,510 6,830 17,285 Hybrid ARM loans: $ — to $250 2 2.63 % to 2.63% 2033-09 - 2033-10 439 — — $ 251 to $500 5 2.63 % to 4.00% 2033-07 - 2034-03 1,748 410 — $ 501 to $750 1 2.75 % to 2.75% 2033-08 - 2033-08 556 — — over $1,000 1 2.63 % to 2.63% 2033-09 - 2033-09 1,221 — — 9 3,964 410 — Total HFI at Legacy Sequoia: 1,908 $ 333,474 $ 7,240 $ 17,285 Table 6.8 – Product Types and Characteristics of Residential Loans (continued) December 31, 2020 (In Thousands) Loan Balance Number of Interest Rate (1) Maturity Total 30-89 90+ Held-for-Investment at Sequoia: Hybrid ARM loans $ — to $250 3 5.50 % to 6.75% 2048-03 - 2048-10 $ 607 $ — $ — $ 251 to $500 5 3.50 % to 3.63% 2046-11 - 2049-06 2,196 440 — $ 501 to $750 19 3.25 % to 4.75% 2044-04 - 2049-09 12,214 682 671 $ 751 to $1,000 15 3.13 % to 5.00% 2043-12 - 2049-08 12,911 960 1,744 over $1,000 12 3.50 % to 5.00% 2044-11 - 2050-02 15,716 — — 54 43,644 2,082 2,415 Fixed loans: $ — to $250 48 2.75 % to 5.50 % 2029-04 - 2049-09 $ 9,508 $ — $ 191 $ 251 to $500 285 3.13 % to 6.13 % 2033-06 - 2050-03 122,327 4,728 2,225 $ 501 to $750 1,004 3 % to 6.75 % 2031-04 - 2050-04 617,488 15,214 24,842 $ 751 to $1,000 556 3.25 % to 6.50 % 2036-12 - 2050-04 478,938 10,482 21,155 over $1,000 230 3.15 % to 5.88 % 2036-07 - 2050-04 278,549 4,868 23,914 2,123 1,506,810 35,292 72,327 2,177 $ 1,550,454 $ 37,374 $ 74,742 Held-for-Investment at Freddie Mac SLST: Fixed loans: $ — to $250 11,007 2.00 % to 11.00% 2020-12 - 2059-10 $ 1,407,107 $ 283,745 $ 206,724 $ 251 to $500 2,545 2.00 % to 7.75% 2035-05 - 2059-01 811,191 143,195 172,995 $ 501 to $750 52 2.00 % to 6.75% 2043-08 - 2058-07 28,461 6,863 9,526 over $1,000 1 4.00 % to 4.00% 2056-03 - 2056-03 1,012 1,012 — Total HFI at Freddie Mac SLST: 13,605 $ 2,247,771 $ 434,815 $ 389,245 We originate and invest in business purpose loans, including single-family rental ("SFR") loans and bridge loans. The following table summarizes the classifications and carrying values of the business purpose loans owned at Redwood and at consolidated CAFL entities at December 31, 2021 and 2020. Table 7.1 – Classifications and Carrying Values of Business Purpose Loans December 31, 2021 Single-Family Rental Bridge (In Thousands) Redwood CAFL Redwood CAFL Total Held-for-sale at fair value $ 358,309 $ — $ — $ — $ 358,309 Held-for-investment at fair value — 3,488,074 666,364 278,242 4,432,680 Total Business Purpose Loans $ 358,309 $ 3,488,074 $ 666,364 $ 278,242 $ 4,790,989 December 31, 2020 Single-Family Rental Single-Family Rental (In Thousands) Redwood CAFL Redwood CAFL Total Held-for-sale at fair value $ 245,394 $ — $ — $ — $ 245,394 Held-for-investment at fair value — 3,249,194 641,765 — 3,890,959 Total Business Purpose Loans $ 245,394 $ 3,249,194 $ 641,765 $ — $ 4,136,353 Nearly all of the outstanding single-family rental loans at December 31, 2021 were first-lien, fixed-rate loans with original maturities of five, seven, or ten years, with less than 2% with original maturities of 30 years. The outstanding bridge loans held-for-investment at December 31, 2021 were first-lien, interest-only loans with original maturities of six Business Purpose Loans at Redwood The following table provides the activity of business purpose loans during the years ended December 31, 2021 and 2020. Table 7.2 – Activity of Business Purpose Loans Twelve Months Ended Twelve Months Ended (In Thousands) HFS SFR at Redwood Bridge at Redwood HFS SFR at Redwood Bridge at Redwood Principal balance of loans originated $ 1,254,913 $ 894,908 $ 979,696 $ 451,554 Principal balance of loans acquired 68,804 65,315 — — Principal balance of loans sold to third parties 193,963 9,484 110,836 25,151 Fair value of loans transferred (1) 1,116,443 358,884 1,292,633 N/A Fair value of loans transferred from HFI to HFS (2) 92,455 — — N/A Mortgage banking activities income (loss) recorded (3) 63,206 7,187 81,032 (2,916) Investment fair value changes recorded (4) — 1,483 (20,806) (10,629) (1) Represents the transfer of loans from held-for-sale to held-for-investment associated with CAFL SFR securitizations and the transfer of bridge loans from "Bridge at Redwood" to "Bridge at CAFL" resulting from their securitization. (2) Represents the transfer of single-family rental loans from held-for-investment to held-for-sale associated with the call of consolidated CAFL securitizations during 2021. (3) Represents net market valuation changes from the time a loan is originated to when it is sold or transferred to our investment portfolio. Additionally, for the year ended December 31, 2021 and 2020 we recorded loan origination fee income of $34 million and $19 million, respectively, through Mortgage banking activities, net on our consolidated statements of income (loss). (4) Represents net market valuation changes for loans classified as held-for-investment. At December 31, 2021, we had a $625 million commitment to fund bridge loans. See Note 16 for additional information on this commitment. Business Purpose Loans Held-for-Investment at CAFL We invest in securities issued by CAFL securitizations sponsored by CoreVest and consolidate the underlying single-family rental loans and bridge loans owned by these entities. The following table provides the activity of business purpose loans held-for-investment at CAFL during the years ended December 31, 2021 and 2020. Table 7.3 – Activity of Business Purpose Loans Held-for-Investment at CAFL Year Ended Year Ended (In Thousands) SFR at Bridge at CAFL SFR at Bridge at CAFL Net market valuation gains (losses) recorded (1) $ (158,081) $ (1,548) $ 32,331 $ — (1) For loans held at our consolidated CAFL entities, market value changes are based on the estimated fair value of the associated ABS issued, including securities we own, pursuant to collateralized financing entity guidelines. The net impact to our income statement associated with our economic investments in these securitization entities is presented in Table 4.2 . REO See Note 12 for detail on BPL loans transferred to REO during 2021. Business Purpose Loan Characteristics The following tables summarize the characteristics of the business purpose loans owned at Redwood at December 31, 2021 and 2020. Table 7.4 – Characteristics of Business Purpose Loans December 31, 2021 SFR at Redwood SFR at Bridge at Redwood Bridge at CAFL (Dollars in Thousands) Number of loans 245 1,173 1,134 1,640 Unpaid principal balance $ 348,232 $ 3,340,949 $ 670,392 $ 274,617 Fair value of loans $ 358,309 $ 3,488,074 $ 666,364 $ 278,242 Weighted average coupon 4.73 % 5.17 % 6.91 % 7.05 % Weighted average remaining loan term (years) 12 6 1 1 Market value of loans pledged as collateral under short-term debt facilities $ 75,873 N/A $ 91,814 N/A Market value of loans pledged as collateral under long-term debt facilities $ 244,703 N/A $ 554,597 N/A Delinquency information Number of loans with 90+ day delinquencies (1) 6 18 31 — Unpaid principal balance of loans with 90+ day delinquencies $ 5,384 $ 41,998 $ 18,032 $ — Fair value of loans with 90+ day delinquencies (2) $ 4,238 N/A $ 14,218 $ — Number of loans in foreclosure 7 9 28 — Unpaid principal balance of loans in foreclosure $ 5,473 $ 12,648 $ 18,043 $ — Fair value of loans in foreclosure (2) $ 4,305 N/A $ 14,257 $ — December 31, 2020 SFR at Redwood SFR at Bridge at Redwood Bridge at CAFL (Dollars in Thousands) Number of loans 65 1,094 1,725 — Unpaid principal balance $ 234,475 $ 3,017,137 $ 649,532 $ — Fair value of loans $ 245,394 $ 3,249,194 $ 641,765 $ — Weighted average coupon 4.84 % 5.44 % 8.09 % — % Weighted average remaining loan term (years) 8 5 1 — Market value of loans pledged as collateral under short-term debt facilities $ 34,098 N/A $ 92,931 N/A Market value of loans pledged as collateral under long-term debt facilities $ 154,774 N/A $ 544,151 N/A Delinquency information Number of loans with 90+ day delinquencies (1) 10 22 31 — Unpaid principal balance of loans with 90+ day delinquencies $ 7,127 $ 61,440 $ 39,415 $ — Fair value of loans with 90+ day delinquencies (2) $ 6,143 N/A $ 33,605 $ — Number of loans in foreclosure — 10 25 — Unpaid principal balance of loans in foreclosure $ — $ 24,745 $ 38,552 $ — Fair value of loans in foreclosure (2) $ — N/A $ 33,066 $ — Footnotes to Table 7.4 (1) The number of loans greater than 90 days delinquent includes loans in foreclosure. (2) The fair value of the loans held by consolidated entities was based on the fair value of the ABS issued by these entities, including securities we own, which we determined were more readily observable, in accordance with accounting guidance for collateralized financing entities. The following table presents the geographic concentration of business purpose loans recorded on our consolidated balance sheets at December 31, 2021. Table 7.5 – Geographic Concentration of Business Purpose Loans December 31, 2021 Geographic Concentration SFR at Redwood SFR at CAFL Bridge at Redwood Bridge at CAFL Florida 15 % 7 % 10 % 17 % Texas 11 % 15 % 7 % 13 % Alabama 11 % 3 % 9 % 3 % Connecticut 9 % 6 % 4 % 3 % New Jersey 7 % 8 % 9 % 12 % New York 2 % 2 % 2 % 9 % Georgia 5 % 5 % 20 % 7 % California 5 % 5 % 3 % 5 % Illinois 2 % 5 % 4 % 4 % Tennessee — % 3 % 11 % 2 % Other states (none greater than 5%) 33 % 41 % 21 % 25 % Total 100 % 100 % 100 % 100 % December 31, 2020 Geographic Concentration SFR at Redwood SFR at CAFL Bridge at Redwood Bridge at CAFL Texas 24 % 15 % 4 % — % New Jersey 17 % 11 % 9 % — % Georgia 12 % 5 % 8 % — % Florida 10 % 8 % 11 % — % Connecticut 8 % 4 % 1 % — % New York 5 % 1 % 8 % — % Arizona 5 % 2 % 1 % — % California 5 % 5 % 13 % — % Illinois 5 % 4 % 7 % — % Alabama 2 % 3 % 6 % — % Indiana 2 % 3 % 5 % — % Tennessee — % 3 % 6 % — % Other states (none greater than 5%) 5 % 36 % 21 % — % Total 100 % 100 % 100 % — % T he following table displays the loan product type and accompanying loan characteristics of business purpose loans recorded on our consolidated balance sheets at December 31, 2021. Table 7.6 – Product Types and Characteristics of Business Purpose Loans December 31, 2021 (In Thousands) Loan Balance Number of Interest Maturity Total 30-89 90+ SFR at Redwood: Fixed loans: $ — to $250 74 3.75 % to 7.75% 2048-11 - 2052-01 $ 11,515 $ 89 $ 171 $ 251 to $500 57 3.75 % to 6.50% 2026-01 - 2052-01 21,284 — — $ 501 to $750 28 3.75 % to 6.70% 2021-01 - 2052-01 16,773 — 536 $ 751 to $1,000 12 4.13 % to 5.43% 2026-12 - 2052-01 9,764 — — over $1,000 74 3.38 % to 7.15% 2020-01 - 2052-01 288,896 — 4,677 Total SFR at Redwood: 245 $ 348,232 $ 89 $ 5,384 SFR at CAFL: Fixed loans: $ — to $250 5 5.77 % to 6.80% 2023-01 - 2024-04 $ 398 $ 20 $ — $ 251 to $500 73 4.64 % to 7.03% 2022-02 - 2031-02 32,106 466 257 $ 501 to $750 199 4.00 % to 7.06% 2022-02 - 2031-10 123,685 717 1,224 $ 751 to $1,000 134 4.20 % to 7.23% 2022-03 - 2031-09 116,724 788 — over $1,000 762 3.81 % to 7.57% 2022-03 - 2030-10 3,068,036 26,481 40,518 Total SFR at CAFL: 1,173 $ 3,340,949 $ 28,472 $ 41,999 Bridge at Redwood Fixed Loans: $ — to $250 115 5.95 % to 12.00% 2019-08 - 2023-11 $ 12,850 $ 426 $ 1,493 $ 251 to $500 26 5.95 % to 10.00% 2020-05 - 2023-09 9,294 253 1,619 $ 501 to $750 13 6.70 % to 10.00% 2021-02 - 2022-11 8,498 637 2,012 $ 751 to $1,000 9 5.45 % to 10.00% 2021-09 - 2022-10 7,544 980 — over $1,000 24 5.45 % to 10.00% 2020-07 - 2023-10 57,880 11,699 11,992 187 96,066 13,995 17,116 Floating Loans: $ — to $250 737 4.25 % to 10.00% 2019-08 - 2023-11 $ 65,611 $ 773 $ — $ 251 to $500 123 4.25 % to 8.25% 2020-05 - 2023-12 42,248 — — $ 501 to $750 9 5.75 % to 8.60% 2021-03 - 2024-02 5,724 — — $ 751 to $1,000 12 5.75 % to 7.50% 2020-12 - 2024-02 10,200 945 916 over $1,000 66 4.90 % to 9.50% 2021-03 - 2024-12 450,543 1,680 — 947 574,326 3,398 916 Total Bridge at Redwood: 1,134 $ 670,392 $ 17,393 $ 18,032 Bridge at CAFL: Fixed loans: $ — to $250 808 5.45 % to 10.65% 2022-01 - 2023-05 $ 58,110 $ — $ — $ 251 to $500 70 5.95 % to 10.50% 2022-01 - 2023-03 23,488 — — $ 501 to $750 24 5.95 % to 9.99% 2022-01 - 2023-08 15,041 — — $ 751 to $1,000 7 5.45 % to 8.99% 2022-01 - 2023-04 6,375 — — over $1,000 11 6.25 % to 9.00% 2022-01 - 2023-11 32,864 — — 920 135,878 — — Floating Loans: $ — to $250 681 5.85 % to 10.50% 2021-10 - 2023-09 $ 77,001 $ 2,091 $ — $ 251 to $500 13 5.95 % to 8.35% 2021-10 - 2023-09 4,088 783 — $ 501 to $750 5 5.75 % to 8.50% 2021-10 - 2023-10 3,097 552 — $ 751 to $1,000 3 6.75 % to 7.25% 2022-04 - 2023-06 2,546 — — over $1,000 18 5.75 % to 10.00% 2021-11 - 2023-12 52,007 — — 720 138,739 3,426 — Total Bridge at CAFL: 1,640 $ 274,617 $ 3,426 $ — December 31, 2020 (In Thousands) Loan Balance Number of Interest Maturity Total 30-89 90+ SFR HFS: Fixed loans: $ — to $250 8 6.25 % to 7.75% 2027-03 - 2050-03 $ 1,060 $ — $ 635 $ 251 to $500 1 5.97 % to 5.97% 2021-02 - 2021-02 483 — — $ 501 to $750 6 5.84 % to 6.75% 2026-01 - 2031-01 3,632 — — $ 751 to $1,000 10 5.15 % to 6.39% 2020-05 - 2031-01 8,936 — 1,815 over $1,000 40 3.82 % to 5.95% 2020-07 - 2031-01 220,364 — 4,677 Total SFR HFS: 65 $ 234,475 $ — $ 7,127 SFR HFI at CAFL: Fixed loans: $ — to $250 5 5.77 % to 7.05% 2022-07 - 2030-08 $ 1,016 $ — $ — $ 251 to $500 67 4.64 % to 6.96% 2021-07 - 2031-01 29,977 — — $ 501 to $750 212 4.12 % to 7.06% 2020-11 - 2030-12 130,665 — 1,752 $ 751 to $1,000 131 4.33 % to 7.23% 2021-01 - 2031-01 113,874 764 750 over $1,000 679 3.93 % to 7.57% 2020-11 - 2031-01 2,741,605 3,867 58,938 Total SFR HFI at CAFL: 1,094 $ 3,017,137 $ 4,631 $ 61,440 Residential Bridge Fixed loans: $ — to $250 393 6.99 % to 12.00% 2019-08 - 2022-12 $ 44,225 $ 6,530 $ 1,668 $ 251 to $500 90 6.99 % to 13.00% 2020-05 - 2021-11 30,472 945 1,423 $ 501 to $750 31 6.99 % to 10.00% 2020-07 - 2021-10 18,843 — 540 $ 751 to $1,000 12 6.99 % to 9.50% 2020-10 - 2022-03 10,430 — 943 over $1,000 65 6.04 % to 10.25% 2020-03 - 2022-12 203,215 — 34,841 591 $ 307,185 $ 7,475 $ 39,415 Floating Loans: $ — to $250 1,047 5.75 % to 10.25% 2020-11 - 2022-08 $ 84,371 $ — $ — $ 251 to $500 20 6.65 % to 8.60% 2020-11 - 2021-12 7,135 — — $ 501 to $750 8 7.05 % to 8.50% 2020-11 - 2021-10 4,940 — — $ 751 to $1,000 9 6.50 % to 8.00% 2020-12 - 2021-11 7,795 — — over $1,000 50 6.50 % to 9.50% 2021-01 - 2022-12 238,105 — — 1,134 $ 342,346 $ — $ — Total Residential Bridge: 1,725 $ 649,531 $ 7,475 $ 39,415 Since 2018, we have invested in multifamily subordinate securities issued by Freddie Mac K-Series securitization trusts and were required to consolidate the underlying multifamily loans owned at these entities for financial reporting purposes in accordance with GAAP. During the first quarter of 2020, we sold subordinate securities issued by four such Freddie Mac K-Series securitization trusts and deconsolidated $3.85 billion of multifamily loans. See Note 2 for further discussion. The following table summarizes the characteristics of the multifamily loans consolidated at Redwood at December 31, 2021 and 2020. Table 8.1 – Characteristics of Multifamily Loans (Dollars in Thousands) December 31, 2021 December 31, 2020 Number of loans 28 28 Unpaid principal balance $ 455,168 $ 462,808 Fair value of loans $ 473,514 $ 492,221 Weighted average coupon 4.25 % 4.25 % Weighted average remaining loan term (years) 4 5 Delinquency information Number of loans with 90+ day delinquencies — — Number of loans in foreclosure — — The outstanding multifamily loans held-for-investment at the Freddie Mac K-Series entity at December 31, 2021 were first-lien, fixed-rate loans that were originated in 2015 and had original loan terms of ten years. The following table provides the activity of multifamily loans held-for-investment during the year months ended December 31, 2021 and 2020. Table 8.2 – Activity of Multifamily Loans Held-for-Investment Year Ended December 31, (In Thousands) 2021 2020 Net market valuation gains (losses) recorded (1) $ (11,068) $ (58,821) (1) Net market valuation gains (losses) on multifamily loans held-for-investment are recorded through Investment fair value changes, net on our consolidated statements of income (loss). For loans held at our consolidated Freddie Mac K-Series entities, market value changes are based on the estimated fair value of the associated ABS issued, including securities we own, pursuant to collateralized financing entity guidelines. The net impact to our income statement associated with our economic investment in these securitization entities is presented in Table 5.6. Multifamily Loan Characteristics The following table presents the geographic concentration of multifamily loans recorded on our consolidated balance sheets at December 31, 2021. Table 8.3 – Geographic Concentration of Multifamily Loans Geographic Concentration December 31, 2021 December 31, 2020 California 13 % 13 % Florida 13 % 13 % North Carolina 9 % 9 % Oregon 7 % 7 % Hawaii 5 % 5 % Tennessee 5 % 5 % Other states (none greater than 5%) 48 % 48 % Total 100 % 100 % T he following table displays the loan product type and accompanying loan characteristics of multifamily loans recorded on our consolidated balance sheets at December 31, 2021. Table 8.4 – Product Types and Characteristics of Multifamily Loans December 31, 2021 (In Thousands) Loan Balance Number of Interest Maturity Total 30-89 90+ Fixed loans: $ 10,001 to $20,000 24 4.25 % to 4.25% 2025-09 - 2025-09 $ 364,811 $ — $ — $ 20,001 to $30,000 4 4.25 % to 4.25% 2025-09 - 2025-09 90,357 — — Total: 28 $ 455,168 $ — $ — December 31, 2020 (In Thousands) Loan Balance Number of Interest Maturity Total 30-89 90+ Fixed loans: $ 10,001 to $20,000 24 4.25 % to 4.25% 2025-09 - 2025-09 $ 370,934 $ — $ — $ 20,001 to $30,000 4 4.25 % to 4.25% 2025-09 - 2025-09 91,874 — — Total: 28 $ 462,808 $ — $ —

Multifamily Loans

Multifamily Loans	12 Months Ended
	Dec. 31, 2021
Receivables [Abstract]
Multifamily Loans	Residential Loans We acquire residential loans from third-party originators and may sell or securitize these loans or hold them for investment. The following table summarizes the classifications and carrying values of the residential loans owned at Redwood and at consolidated Sequoia and Freddie Mac SLST entities at December 31, 2021 and 2020. Table 6.1 – Classifications and Carrying Values of Residential Loans December 31, 2021 Legacy Sequoia Freddie Mac (In Thousands) Redwood Sequoia SLST Total Held-for-sale at fair value $ 1,845,282 $ — $ — $ — $ 1,845,282 Held-for-investment at fair value — 230,455 3,628,465 1,888,230 5,747,150 Total Residential Loans $ 1,845,282 $ 230,455 $ 3,628,465 $ 1,888,230 $ 7,592,432 December 31, 2020 Legacy Sequoia Freddie Mac (In Thousands) Redwood Sequoia SLST Total Held-for-sale at fair value $ 176,641 $ — $ — $ — $ 176,641 Held-for-investment at fair value — 285,935 1,565,322 2,221,153 4,072,410 Total Residential Loans $ 176,641 $ 285,935 $ 1,565,322 $ 2,221,153 $ 4,249,051 At December 31, 2021, we owned mortgage servicing rights associated with $1.74 billion (principal balance) of residential loans owned at Redwood that were purchased from third-party originators. The value of these MSRs is included in the carrying value of the associated loans on our consolidated balance sheets. We contract with licensed sub-servicers that perform servicing functions for these loans. Residential Loans Held-for-Sale At Fair Value The following table summarizes the characteristics of residential loans held-for-sale at December 31, 2021 and 2020. Table 6.2 – Characteristics of Residential Loans Held-for-Sale (Dollars in Thousands) December 31, 2021 December 31, 2020 Number of loans 2,196 198 Unpaid principal balance $ 1,813,865 $ 172,748 Fair value of loans $ 1,845,282 $ 176,641 Market value of loans pledged as collateral under short-term borrowing agreements $ 1,838,797 $ 156,355 Weighted average coupon 3.27 % 3.14 % Delinquency information Number of loans with 90+ day delinquencies 3 1 Unpaid principal balance of loans with 90+ day delinquencies $ 2,923 $ 1,882 Fair value of loans with 90+ day delinquencies $ 2,304 $ 1,223 Number of loans in foreclosure — — The following table provides the activity of residential loans held-for-sale during the years ended December 31, 2021 and 2020. Table 6.3 – Activity of Residential Loans Held-for-Sale Year Ended December 31, (In Thousands) 2021 2020 Principal balance of loans acquired (1) $ 12,916,155 $ 4,374,201 Principal balance of loans sold 8,244,221 6,463,741 Principal balance of loans transferred to HFI 2,957,694 274,048 Net market valuation gains (losses) recorded (2) 76,144 (15,477) (1) Includes $200 million of loans acquired through calls of seven seasoned Sequoia securitizations. (2) Net market valuation gains (losses) on residential loans held-for-sale are recorded primarily through Mortgage banking activities, net on our consolidated statements of income (loss). Residential Loans Held-for-Investment at Fair Value The following tables summarize the characteristics of the residential loans owned at Redwood and at consolidated Sequoia and Freddie Mac SLST entities at December 31, 2021 and 2020. Table 6.4 – Characteristics of Residential Loans Held-for-Investment December 31, 2021 Legacy Sequoia Freddie Mac (Dollars in Thousands) Sequoia SLST Number of loans 1,583 4,300 11,986 Unpaid principal balance $ 264,057 $ 3,605,469 $ 1,932,241 Fair value of loans $ 230,455 $ 3,628,465 $ 1,888,230 Weighted average coupon 1.54 % 3.14 % 4.51 % Delinquency information Number of loans with 90+ day delinquencies (1) 32 18 1,208 Unpaid principal balance of loans with 90+ day delinquencies $ 7,482 $ 15,124 $ 212,961 Fair value of loans with 90+ day delinquencies (2) N/A N/A N/A Number of loans in foreclosure 10 2 241 Unpaid principal balance of loans in foreclosure $ 2,188 $ 1,624 $ 43,637 December 31, 2020 Legacy Sequoia Freddie Mac (Dollars in Thousands) Sequoia SLST Number of loans 1,908 2,177 13,605 Unpaid principal balance $ 333,474 $ 1,550,454 $ 2,247,771 Fair value of loans $ 285,935 $ 1,565,322 $ 2,221,153 Weighted average coupon 1.67 % 4.64 % 4.52 % Delinquency information Number of loans with 90+ day delinquencies (1) 52 94 2,110 Unpaid principal balance of loans with 90+ day delinquencies $ 17,285 $ 74,742 $ 389,245 Fair value of loans with 90+ day delinquencies (2) N/A N/A N/A Number of loans in foreclosure 21 3 245 Unpaid principal balance of loans in foreclosure $ 4,939 $ 2,251 $ 38,610 (1) For loans held at consolidated entities, the number of loans greater than 90 days delinquent includes loans in foreclosure. (2) The fair value of the loans held by consolidated entities was based on the fair value of the ABS issued by these entities, including securities we own, which we determined were more readily observable, in accordance with accounting guidance for collateralized financing entities. The following table provides the activity of residential loans held-for-investment at Redwood during the years ended December 31, 2021 and 2020. Table 6.5 – Activity of Residential Loans Held-for-Investment at Redwood Year Ended December 31, (In Thousands) 2021 2020 Fair value of loans transferred from HFS to HFI $ — $ 13,258 Fair value of loans transferred from HFI to HFS — 1,870,986 Net market valuation gains (losses) recorded (1) — (93,314) (1) Subsequent to the transfer of these loans to our investment portfolio, net market valuation gains (losses) on residential loans held-for-investment at Redwood are recorded through Investment fair value changes, net on our consolidated statements of income (loss). The following table provides the activity of residential loans held-for-investment at consolidated entities during the years ended December 31, 2021 and 2020. Table 6.6 – Activity of Residential Loans Held-for-Investment at Consolidated Entities Year Ended December 31, 2021 Year Ended December 31, 2020 Legacy Sequoia Freddie Mac Legacy Sequoia Freddie Mac (In Thousands) Sequoia SLST Sequoia SLST Fair value of loans transferred from HFS to HFI (1) N/A $ 3,035,100 N/A N/A $ 270,506 N/A Net market valuation gains (losses) recorded (2) $ 12,125 $ (66,727) $ (14,735) $ (30,900) $ (30,356) $ 35,131 (1) Represents the transfer of loans from held-for-sale to held-for-investment associated with Sequoia securitizations. (2) For loans held at our consolidated Legacy Sequoia, Sequoia, and Freddie Mac SLST entities, market value changes are based on the estimated fair value of the associated ABS issued, pursuant to collateralized financing entity guidelines. The net impact to our income statement associated with our economic investments in these securitization entities is presented in Table 5.6 . Residential Loan Characteristics The following table presents the geographic concentration of residential loans recorded on our consolidated balance sheets at December 31, 2021 and 2020. Table 6.7 – Geographic Concentration of Residential Loans December 31, 2021 Geographic Concentration Held-for-Sale Held-for- Held-for- Held-for-Investment at Freddie Mac SLST California 29 % 18 % 35 % 14 % Texas 11 % 5 % 12 % 3 % Washington 8 % 1 % 5 % 2 % Colorado 7 % 2 % 6 % 1 % Florida 6 % 14 % 4 % 10 % Arizona 5 % 1 % 3 % 2 % New York 2 % 11 % 2 % 10 % New Jersey 1 % 5 % 1 % 7 % Illinois 2 % 3 % 4 % 5 % Maryland 1 % 2 % 2 % 5 % Ohio — % 5 % — % 2 % Other states (none greater than 5%) 28 % 33 % 26 % 39 % Total 100 % 100 % 100 % 100 % December 31, 2020 Geographic Concentration Held-for-Sale Held-for- Held-for- Held-for-Investment at Freddie Mac SLST California 43 % 17 % 34 % 14 % Washington 7 % 1 % 5 % 2 % Texas 10 % 5 % 10 % 3 % Colorado 5 % 3 % 3 % 1 % Florida 3 % 14 % 6 % 10 % Illinois 3 % 3 % 2 % 5 % Maryland 2 % 2 % 1 % 5 % New Jersey 1 % 5 % 2 % 7 % New York 1 % 10 % 5 % 10 % Ohio — % 5 % — % 2 % Other states (none greater than 5%) 25 % 35 % 32 % 41 % Total 100 % 100 % 100 % 100 % T he following table displays the loan product type and accompanying loan characteristics of residential loans recorded on our consolidated balance sheets at December 31, 2021 and 2020. Table 6.8 – Product Types and Characteristics of Residential Loans December 31, 2021 (In Thousands) Loan Balance Number of Interest Rate (1) Maturity Total 30-89 90+ Held-for-Sale: Hybrid ARM loans $ — to $250 1 1.88 % to 1.88% 2032-11 - 2032-11 $ 45 $ — $ — $ 251 to $500 4 3.25 % to 3.50% 2042-08 - 2042-09 1,880 — — $ 501 to $750 18 2.38 % to 3.63% 2042-04 - 2052-01 11,872 — — $ 751 to $1,000 14 2.50 % to 4.00% 2042-06 - 2052-01 12,288 — — over $1,000 20 2.38 % to 3.88% 2042-01 - 2052-01 25,308 — — 57 51,393 — — Fixed loans $ — to $250 63 3.13 % to 5.00% 2026-04 - 2051-12 11,118 — — $ 251 to $500 133 2.75 % to 5.50% 2026-12 - 2051-11 51,737 — — $ 501 to $750 790 2.50 % to 5.88% 2026-12 - 2052-01 514,785 — 1,093 $ 751 to $1,000 735 2.63 % to 5.63% 2041-07 - 2052-.01 642,372 — — over $1,000 418 2.50 % to 4.75% 2041-10 - 2052-.01 542,460 — 1,830 2,139 1,762,472 — 2,923 Total Held-for-Sale 2,196 $ 1,813,865 $ — $ 2,923 Held-for-Investment at Legacy Sequoia: ARM loans: $ — to $250 1,273 0.38 % to 5.63% 2022-01 - 2035-11 $ 115,437 $ 3,189 $ 2,691 $ 251 to $500 206 0.75 % to 3.88% 2024-05 - 2035-11 71,306 2,831 2,124 $ 501 to $750 68 0.25 % to 4.13% 2027-05 - 2035-07 42,128 555 1,842 $ 751 to $1,000 15 0.75 % to 3.75% 2028-03 - 2036-03 12,868 1,811 825 over $1,000 12 0.88 % to 2.00% 2028-06 - 2035-04 18,668 1,175 — 1,574 260,407 9,561 7,482 Hybrid ARM loans: $ — to $250 3 2.63 % to 2.63% 2033-09 - 2033-10 650 — — $ 251 to $500 4 2.50 % to 2.63% 2033-07 - 2034-03 1,341 — — $ 501 to $750 1 2.50 % to 2.50% 2033-08 - 2033-08 518 — — over $1,000 1 2.63 % to 2.63% 2033-09 - 2033-09 1,140 — — 9 3,649 — — Total HFI at Legacy Sequoia: 1,583 $ 264,056 $ 9,561 $ 7,482 Table 6.8 – Product Types and Characteristics of Residential Loans (continued) December 31, 2021 (In Thousands) Loan Balance Number of Interest Rate (1) Maturity Total 30-89 90+ Held-for-Investment at Sequoia: Hybrid ARM loans $ — to $250 2 5.50 % to 6.75% 2048-03 - 2048-09 $ 397 $ 191 $ — $ 251 to $500 3 3.25 % to 3.63% 2047-04 - 2049-06 1,354 — — $ 501 to $750 8 3.38 % to 4.50% 2044-04 - 2049-08 5,321 — — $ 751 to $1,000 8 3.13 % to 5.00% 2047-06 - 2049-08 6,659 — — over $1,000 7 3.50 % to 5.00% 2044-11 - 2050-01 8,934 — — 28 22,665 191 — Fixed loans: $ — to $250 43 2.75 % to 5.13% 2029-04 - 2051-06 $ 8,630 $ — $ — $ 251 to $500 162 2.50 % to 6.13% 2033-06 - 2051-09 69,442 2,390 462 $ 501 to $750 1,691 2.13 % to 6.75% 2031-04 - 2051-12 1,093,766 10,894 3,498 $ 751 to $1,000 1,497 2.13 % to 6.25% 2036-12 - 2051-11 1,311,640 9,477 4,931 over $1,000 879 1.88 % to 5.88% 2036-07 - 2051-11 1,099,328 8,508 6,233 4,272 3,582,806 31,269 15,124 4,300 $ 3,605,471 $ 31,460 $ 15,124 Held-for-Investment at Freddie Mac SLST: Fixed loans: $ — to $250 9,798 2.00 % to 11.00% 2021-12 2061-10 $ 1,224,173 $ 222,541 $ 114,622 $ 251 to $500 2,141 2.00 % to 7.75% 2035-08 2059-08 681,885 114,360 91,149 $ 501 to $750 46 2.00 % to 5.88% 2043-08 2059-01 25,165 3,127 7,190 over $1,000 1 4.00 % to 4.00% 2056-03 2056-03 1,018 1,018 — Total Held-for-Investment 11,986 $ 1,932,241 $ 341,046 $ 212,961 Table 6.8 – Product Types and Characteristics of Residential Loans (continued) December 31, 2020 (In Thousands) Loan Balance Number of Interest Rate (1) Maturity Total 30-89 90+ Held-for-Sale: Hybrid ARM loans $ — to $250 1 2.00 % to 2.00% 2032-11 - 2032-11 $ 49 $ — $ — $ 751 to $1,000 1 4.38 % to 4.38% 2047-10 - 2047-10 970 970 — 2 1,019 970 — Fixed loans $ — to $250 1 4.69 % to 4.69% 2044-03 - 2044-03 219 219 — $ 251 to $500 — — % to —% 0 - 0 — — — $ 501 to $750 75 2.50 % to 5.50% 2045-12 - 2051-01 48,933 1,127 — $ 751 to $1,000 80 2.38 % to 4.63% 2050-04 - 2051-01 71,137 — — over $1,000 40 2.38 % to 5.00% 2040-11 - 2051-01 51,440 1,046 1,882 196 171,729 2,392 1,882 Held-for-Sale 198 $ 172,748 $ 3,362 $ 1,882 Held-for-Investment at Legacy Sequoia: ARM loans: $ — to $250 1,524 0.25 % to 5.63% 2020-10 - 2036-05 $ 146,100 $ 4,208 $ 3,966 $ 251 to $500 251 0.50 % to 4.13% 2024-05 - 2035-11 86,676 1,908 4,392 $ 501 to $750 79 0.25 % to 4.13% 2027-05 - 2035-01 48,437 714 1,192 $ 751 to $1,000 27 0.75 % to 3.75% 2028-03 - 2036-03 21,875 — 3,175 over $1,000 18 1.00 % to 2.38% 2028-05 - 2035-04 26,422 — 4,560 1,899 329,510 6,830 17,285 Hybrid ARM loans: $ — to $250 2 2.63 % to 2.63% 2033-09 - 2033-10 439 — — $ 251 to $500 5 2.63 % to 4.00% 2033-07 - 2034-03 1,748 410 — $ 501 to $750 1 2.75 % to 2.75% 2033-08 - 2033-08 556 — — over $1,000 1 2.63 % to 2.63% 2033-09 - 2033-09 1,221 — — 9 3,964 410 — Total HFI at Legacy Sequoia: 1,908 $ 333,474 $ 7,240 $ 17,285 Table 6.8 – Product Types and Characteristics of Residential Loans (continued) December 31, 2020 (In Thousands) Loan Balance Number of Interest Rate (1) Maturity Total 30-89 90+ Held-for-Investment at Sequoia: Hybrid ARM loans $ — to $250 3 5.50 % to 6.75% 2048-03 - 2048-10 $ 607 $ — $ — $ 251 to $500 5 3.50 % to 3.63% 2046-11 - 2049-06 2,196 440 — $ 501 to $750 19 3.25 % to 4.75% 2044-04 - 2049-09 12,214 682 671 $ 751 to $1,000 15 3.13 % to 5.00% 2043-12 - 2049-08 12,911 960 1,744 over $1,000 12 3.50 % to 5.00% 2044-11 - 2050-02 15,716 — — 54 43,644 2,082 2,415 Fixed loans: $ — to $250 48 2.75 % to 5.50 % 2029-04 - 2049-09 $ 9,508 $ — $ 191 $ 251 to $500 285 3.13 % to 6.13 % 2033-06 - 2050-03 122,327 4,728 2,225 $ 501 to $750 1,004 3 % to 6.75 % 2031-04 - 2050-04 617,488 15,214 24,842 $ 751 to $1,000 556 3.25 % to 6.50 % 2036-12 - 2050-04 478,938 10,482 21,155 over $1,000 230 3.15 % to 5.88 % 2036-07 - 2050-04 278,549 4,868 23,914 2,123 1,506,810 35,292 72,327 2,177 $ 1,550,454 $ 37,374 $ 74,742 Held-for-Investment at Freddie Mac SLST: Fixed loans: $ — to $250 11,007 2.00 % to 11.00% 2020-12 - 2059-10 $ 1,407,107 $ 283,745 $ 206,724 $ 251 to $500 2,545 2.00 % to 7.75% 2035-05 - 2059-01 811,191 143,195 172,995 $ 501 to $750 52 2.00 % to 6.75% 2043-08 - 2058-07 28,461 6,863 9,526 over $1,000 1 4.00 % to 4.00% 2056-03 - 2056-03 1,012 1,012 — Total HFI at Freddie Mac SLST: 13,605 $ 2,247,771 $ 434,815 $ 389,245 We originate and invest in business purpose loans, including single-family rental ("SFR") loans and bridge loans. The following table summarizes the classifications and carrying values of the business purpose loans owned at Redwood and at consolidated CAFL entities at December 31, 2021 and 2020. Table 7.1 – Classifications and Carrying Values of Business Purpose Loans December 31, 2021 Single-Family Rental Bridge (In Thousands) Redwood CAFL Redwood CAFL Total Held-for-sale at fair value $ 358,309 $ — $ — $ — $ 358,309 Held-for-investment at fair value — 3,488,074 666,364 278,242 4,432,680 Total Business Purpose Loans $ 358,309 $ 3,488,074 $ 666,364 $ 278,242 $ 4,790,989 December 31, 2020 Single-Family Rental Single-Family Rental (In Thousands) Redwood CAFL Redwood CAFL Total Held-for-sale at fair value $ 245,394 $ — $ — $ — $ 245,394 Held-for-investment at fair value — 3,249,194 641,765 — 3,890,959 Total Business Purpose Loans $ 245,394 $ 3,249,194 $ 641,765 $ — $ 4,136,353 Nearly all of the outstanding single-family rental loans at December 31, 2021 were first-lien, fixed-rate loans with original maturities of five, seven, or ten years, with less than 2% with original maturities of 30 years. The outstanding bridge loans held-for-investment at December 31, 2021 were first-lien, interest-only loans with original maturities of six Business Purpose Loans at Redwood The following table provides the activity of business purpose loans during the years ended December 31, 2021 and 2020. Table 7.2 – Activity of Business Purpose Loans Twelve Months Ended Twelve Months Ended (In Thousands) HFS SFR at Redwood Bridge at Redwood HFS SFR at Redwood Bridge at Redwood Principal balance of loans originated $ 1,254,913 $ 894,908 $ 979,696 $ 451,554 Principal balance of loans acquired 68,804 65,315 — — Principal balance of loans sold to third parties 193,963 9,484 110,836 25,151 Fair value of loans transferred (1) 1,116,443 358,884 1,292,633 N/A Fair value of loans transferred from HFI to HFS (2) 92,455 — — N/A Mortgage banking activities income (loss) recorded (3) 63,206 7,187 81,032 (2,916) Investment fair value changes recorded (4) — 1,483 (20,806) (10,629) (1) Represents the transfer of loans from held-for-sale to held-for-investment associated with CAFL SFR securitizations and the transfer of bridge loans from "Bridge at Redwood" to "Bridge at CAFL" resulting from their securitization. (2) Represents the transfer of single-family rental loans from held-for-investment to held-for-sale associated with the call of consolidated CAFL securitizations during 2021. (3) Represents net market valuation changes from the time a loan is originated to when it is sold or transferred to our investment portfolio. Additionally, for the year ended December 31, 2021 and 2020 we recorded loan origination fee income of $34 million and $19 million, respectively, through Mortgage banking activities, net on our consolidated statements of income (loss). (4) Represents net market valuation changes for loans classified as held-for-investment. At December 31, 2021, we had a $625 million commitment to fund bridge loans. See Note 16 for additional information on this commitment. Business Purpose Loans Held-for-Investment at CAFL We invest in securities issued by CAFL securitizations sponsored by CoreVest and consolidate the underlying single-family rental loans and bridge loans owned by these entities. The following table provides the activity of business purpose loans held-for-investment at CAFL during the years ended December 31, 2021 and 2020. Table 7.3 – Activity of Business Purpose Loans Held-for-Investment at CAFL Year Ended Year Ended (In Thousands) SFR at Bridge at CAFL SFR at Bridge at CAFL Net market valuation gains (losses) recorded (1) $ (158,081) $ (1,548) $ 32,331 $ — (1) For loans held at our consolidated CAFL entities, market value changes are based on the estimated fair value of the associated ABS issued, including securities we own, pursuant to collateralized financing entity guidelines. The net impact to our income statement associated with our economic investments in these securitization entities is presented in Table 4.2 . REO See Note 12 for detail on BPL loans transferred to REO during 2021. Business Purpose Loan Characteristics The following tables summarize the characteristics of the business purpose loans owned at Redwood at December 31, 2021 and 2020. Table 7.4 – Characteristics of Business Purpose Loans December 31, 2021 SFR at Redwood SFR at Bridge at Redwood Bridge at CAFL (Dollars in Thousands) Number of loans 245 1,173 1,134 1,640 Unpaid principal balance $ 348,232 $ 3,340,949 $ 670,392 $ 274,617 Fair value of loans $ 358,309 $ 3,488,074 $ 666,364 $ 278,242 Weighted average coupon 4.73 % 5.17 % 6.91 % 7.05 % Weighted average remaining loan term (years) 12 6 1 1 Market value of loans pledged as collateral under short-term debt facilities $ 75,873 N/A $ 91,814 N/A Market value of loans pledged as collateral under long-term debt facilities $ 244,703 N/A $ 554,597 N/A Delinquency information Number of loans with 90+ day delinquencies (1) 6 18 31 — Unpaid principal balance of loans with 90+ day delinquencies $ 5,384 $ 41,998 $ 18,032 $ — Fair value of loans with 90+ day delinquencies (2) $ 4,238 N/A $ 14,218 $ — Number of loans in foreclosure 7 9 28 — Unpaid principal balance of loans in foreclosure $ 5,473 $ 12,648 $ 18,043 $ — Fair value of loans in foreclosure (2) $ 4,305 N/A $ 14,257 $ — December 31, 2020 SFR at Redwood SFR at Bridge at Redwood Bridge at CAFL (Dollars in Thousands) Number of loans 65 1,094 1,725 — Unpaid principal balance $ 234,475 $ 3,017,137 $ 649,532 $ — Fair value of loans $ 245,394 $ 3,249,194 $ 641,765 $ — Weighted average coupon 4.84 % 5.44 % 8.09 % — % Weighted average remaining loan term (years) 8 5 1 — Market value of loans pledged as collateral under short-term debt facilities $ 34,098 N/A $ 92,931 N/A Market value of loans pledged as collateral under long-term debt facilities $ 154,774 N/A $ 544,151 N/A Delinquency information Number of loans with 90+ day delinquencies (1) 10 22 31 — Unpaid principal balance of loans with 90+ day delinquencies $ 7,127 $ 61,440 $ 39,415 $ — Fair value of loans with 90+ day delinquencies (2) $ 6,143 N/A $ 33,605 $ — Number of loans in foreclosure — 10 25 — Unpaid principal balance of loans in foreclosure $ — $ 24,745 $ 38,552 $ — Fair value of loans in foreclosure (2) $ — N/A $ 33,066 $ — Footnotes to Table 7.4 (1) The number of loans greater than 90 days delinquent includes loans in foreclosure. (2) The fair value of the loans held by consolidated entities was based on the fair value of the ABS issued by these entities, including securities we own, which we determined were more readily observable, in accordance with accounting guidance for collateralized financing entities. The following table presents the geographic concentration of business purpose loans recorded on our consolidated balance sheets at December 31, 2021. Table 7.5 – Geographic Concentration of Business Purpose Loans December 31, 2021 Geographic Concentration SFR at Redwood SFR at CAFL Bridge at Redwood Bridge at CAFL Florida 15 % 7 % 10 % 17 % Texas 11 % 15 % 7 % 13 % Alabama 11 % 3 % 9 % 3 % Connecticut 9 % 6 % 4 % 3 % New Jersey 7 % 8 % 9 % 12 % New York 2 % 2 % 2 % 9 % Georgia 5 % 5 % 20 % 7 % California 5 % 5 % 3 % 5 % Illinois 2 % 5 % 4 % 4 % Tennessee — % 3 % 11 % 2 % Other states (none greater than 5%) 33 % 41 % 21 % 25 % Total 100 % 100 % 100 % 100 % December 31, 2020 Geographic Concentration SFR at Redwood SFR at CAFL Bridge at Redwood Bridge at CAFL Texas 24 % 15 % 4 % — % New Jersey 17 % 11 % 9 % — % Georgia 12 % 5 % 8 % — % Florida 10 % 8 % 11 % — % Connecticut 8 % 4 % 1 % — % New York 5 % 1 % 8 % — % Arizona 5 % 2 % 1 % — % California 5 % 5 % 13 % — % Illinois 5 % 4 % 7 % — % Alabama 2 % 3 % 6 % — % Indiana 2 % 3 % 5 % — % Tennessee — % 3 % 6 % — % Other states (none greater than 5%) 5 % 36 % 21 % — % Total 100 % 100 % 100 % — % T he following table displays the loan product type and accompanying loan characteristics of business purpose loans recorded on our consolidated balance sheets at December 31, 2021. Table 7.6 – Product Types and Characteristics of Business Purpose Loans December 31, 2021 (In Thousands) Loan Balance Number of Interest Maturity Total 30-89 90+ SFR at Redwood: Fixed loans: $ — to $250 74 3.75 % to 7.75% 2048-11 - 2052-01 $ 11,515 $ 89 $ 171 $ 251 to $500 57 3.75 % to 6.50% 2026-01 - 2052-01 21,284 — — $ 501 to $750 28 3.75 % to 6.70% 2021-01 - 2052-01 16,773 — 536 $ 751 to $1,000 12 4.13 % to 5.43% 2026-12 - 2052-01 9,764 — — over $1,000 74 3.38 % to 7.15% 2020-01 - 2052-01 288,896 — 4,677 Total SFR at Redwood: 245 $ 348,232 $ 89 $ 5,384 SFR at CAFL: Fixed loans: $ — to $250 5 5.77 % to 6.80% 2023-01 - 2024-04 $ 398 $ 20 $ — $ 251 to $500 73 4.64 % to 7.03% 2022-02 - 2031-02 32,106 466 257 $ 501 to $750 199 4.00 % to 7.06% 2022-02 - 2031-10 123,685 717 1,224 $ 751 to $1,000 134 4.20 % to 7.23% 2022-03 - 2031-09 116,724 788 — over $1,000 762 3.81 % to 7.57% 2022-03 - 2030-10 3,068,036 26,481 40,518 Total SFR at CAFL: 1,173 $ 3,340,949 $ 28,472 $ 41,999 Bridge at Redwood Fixed Loans: $ — to $250 115 5.95 % to 12.00% 2019-08 - 2023-11 $ 12,850 $ 426 $ 1,493 $ 251 to $500 26 5.95 % to 10.00% 2020-05 - 2023-09 9,294 253 1,619 $ 501 to $750 13 6.70 % to 10.00% 2021-02 - 2022-11 8,498 637 2,012 $ 751 to $1,000 9 5.45 % to 10.00% 2021-09 - 2022-10 7,544 980 — over $1,000 24 5.45 % to 10.00% 2020-07 - 2023-10 57,880 11,699 11,992 187 96,066 13,995 17,116 Floating Loans: $ — to $250 737 4.25 % to 10.00% 2019-08 - 2023-11 $ 65,611 $ 773 $ — $ 251 to $500 123 4.25 % to 8.25% 2020-05 - 2023-12 42,248 — — $ 501 to $750 9 5.75 % to 8.60% 2021-03 - 2024-02 5,724 — — $ 751 to $1,000 12 5.75 % to 7.50% 2020-12 - 2024-02 10,200 945 916 over $1,000 66 4.90 % to 9.50% 2021-03 - 2024-12 450,543 1,680 — 947 574,326 3,398 916 Total Bridge at Redwood: 1,134 $ 670,392 $ 17,393 $ 18,032 Bridge at CAFL: Fixed loans: $ — to $250 808 5.45 % to 10.65% 2022-01 - 2023-05 $ 58,110 $ — $ — $ 251 to $500 70 5.95 % to 10.50% 2022-01 - 2023-03 23,488 — — $ 501 to $750 24 5.95 % to 9.99% 2022-01 - 2023-08 15,041 — — $ 751 to $1,000 7 5.45 % to 8.99% 2022-01 - 2023-04 6,375 — — over $1,000 11 6.25 % to 9.00% 2022-01 - 2023-11 32,864 — — 920 135,878 — — Floating Loans: $ — to $250 681 5.85 % to 10.50% 2021-10 - 2023-09 $ 77,001 $ 2,091 $ — $ 251 to $500 13 5.95 % to 8.35% 2021-10 - 2023-09 4,088 783 — $ 501 to $750 5 5.75 % to 8.50% 2021-10 - 2023-10 3,097 552 — $ 751 to $1,000 3 6.75 % to 7.25% 2022-04 - 2023-06 2,546 — — over $1,000 18 5.75 % to 10.00% 2021-11 - 2023-12 52,007 — — 720 138,739 3,426 — Total Bridge at CAFL: 1,640 $ 274,617 $ 3,426 $ — December 31, 2020 (In Thousands) Loan Balance Number of Interest Maturity Total 30-89 90+ SFR HFS: Fixed loans: $ — to $250 8 6.25 % to 7.75% 2027-03 - 2050-03 $ 1,060 $ — $ 635 $ 251 to $500 1 5.97 % to 5.97% 2021-02 - 2021-02 483 — — $ 501 to $750 6 5.84 % to 6.75% 2026-01 - 2031-01 3,632 — — $ 751 to $1,000 10 5.15 % to 6.39% 2020-05 - 2031-01 8,936 — 1,815 over $1,000 40 3.82 % to 5.95% 2020-07 - 2031-01 220,364 — 4,677 Total SFR HFS: 65 $ 234,475 $ — $ 7,127 SFR HFI at CAFL: Fixed loans: $ — to $250 5 5.77 % to 7.05% 2022-07 - 2030-08 $ 1,016 $ — $ — $ 251 to $500 67 4.64 % to 6.96% 2021-07 - 2031-01 29,977 — — $ 501 to $750 212 4.12 % to 7.06% 2020-11 - 2030-12 130,665 — 1,752 $ 751 to $1,000 131 4.33 % to 7.23% 2021-01 - 2031-01 113,874 764 750 over $1,000 679 3.93 % to 7.57% 2020-11 - 2031-01 2,741,605 3,867 58,938 Total SFR HFI at CAFL: 1,094 $ 3,017,137 $ 4,631 $ 61,440 Residential Bridge Fixed loans: $ — to $250 393 6.99 % to 12.00% 2019-08 - 2022-12 $ 44,225 $ 6,530 $ 1,668 $ 251 to $500 90 6.99 % to 13.00% 2020-05 - 2021-11 30,472 945 1,423 $ 501 to $750 31 6.99 % to 10.00% 2020-07 - 2021-10 18,843 — 540 $ 751 to $1,000 12 6.99 % to 9.50% 2020-10 - 2022-03 10,430 — 943 over $1,000 65 6.04 % to 10.25% 2020-03 - 2022-12 203,215 — 34,841 591 $ 307,185 $ 7,475 $ 39,415 Floating Loans: $ — to $250 1,047 5.75 % to 10.25% 2020-11 - 2022-08 $ 84,371 $ — $ — $ 251 to $500 20 6.65 % to 8.60% 2020-11 - 2021-12 7,135 — — $ 501 to $750 8 7.05 % to 8.50% 2020-11 - 2021-10 4,940 — — $ 751 to $1,000 9 6.50 % to 8.00% 2020-12 - 2021-11 7,795 — — over $1,000 50 6.50 % to 9.50% 2021-01 - 2022-12 238,105 — — 1,134 $ 342,346 $ — $ — Total Residential Bridge: 1,725 $ 649,531 $ 7,475 $ 39,415 Since 2018, we have invested in multifamily subordinate securities issued by Freddie Mac K-Series securitization trusts and were required to consolidate the underlying multifamily loans owned at these entities for financial reporting purposes in accordance with GAAP. During the first quarter of 2020, we sold subordinate securities issued by four such Freddie Mac K-Series securitization trusts and deconsolidated $3.85 billion of multifamily loans. See Note 2 for further discussion. The following table summarizes the characteristics of the multifamily loans consolidated at Redwood at December 31, 2021 and 2020. Table 8.1 – Characteristics of Multifamily Loans (Dollars in Thousands) December 31, 2021 December 31, 2020 Number of loans 28 28 Unpaid principal balance $ 455,168 $ 462,808 Fair value of loans $ 473,514 $ 492,221 Weighted average coupon 4.25 % 4.25 % Weighted average remaining loan term (years) 4 5 Delinquency information Number of loans with 90+ day delinquencies — — Number of loans in foreclosure — — The outstanding multifamily loans held-for-investment at the Freddie Mac K-Series entity at December 31, 2021 were first-lien, fixed-rate loans that were originated in 2015 and had original loan terms of ten years. The following table provides the activity of multifamily loans held-for-investment during the year months ended December 31, 2021 and 2020. Table 8.2 – Activity of Multifamily Loans Held-for-Investment Year Ended December 31, (In Thousands) 2021 2020 Net market valuation gains (losses) recorded (1) $ (11,068) $ (58,821) (1) Net market valuation gains (losses) on multifamily loans held-for-investment are recorded through Investment fair value changes, net on our consolidated statements of income (loss). For loans held at our consolidated Freddie Mac K-Series entities, market value changes are based on the estimated fair value of the associated ABS issued, including securities we own, pursuant to collateralized financing entity guidelines. The net impact to our income statement associated with our economic investment in these securitization entities is presented in Table 5.6. Multifamily Loan Characteristics The following table presents the geographic concentration of multifamily loans recorded on our consolidated balance sheets at December 31, 2021. Table 8.3 – Geographic Concentration of Multifamily Loans Geographic Concentration December 31, 2021 December 31, 2020 California 13 % 13 % Florida 13 % 13 % North Carolina 9 % 9 % Oregon 7 % 7 % Hawaii 5 % 5 % Tennessee 5 % 5 % Other states (none greater than 5%) 48 % 48 % Total 100 % 100 % T he following table displays the loan product type and accompanying loan characteristics of multifamily loans recorded on our consolidated balance sheets at December 31, 2021. Table 8.4 – Product Types and Characteristics of Multifamily Loans December 31, 2021 (In Thousands) Loan Balance Number of Interest Maturity Total 30-89 90+ Fixed loans: $ 10,001 to $20,000 24 4.25 % to 4.25% 2025-09 - 2025-09 $ 364,811 $ — $ — $ 20,001 to $30,000 4 4.25 % to 4.25% 2025-09 - 2025-09 90,357 — — Total: 28 $ 455,168 $ — $ — December 31, 2020 (In Thousands) Loan Balance Number of Interest Maturity Total 30-89 90+ Fixed loans: $ 10,001 to $20,000 24 4.25 % to 4.25% 2025-09 - 2025-09 $ 370,934 $ — $ — $ 20,001 to $30,000 4 4.25 % to 4.25% 2025-09 - 2025-09 91,874 — — Total: 28 $ 462,808 $ — $ —

Real Estate Securities

Real Estate Securities	12 Months Ended
	Dec. 31, 2021
Investments, Debt and Equity Securities [Abstract]
Real Estate Securities	Real Estate Securities We invest in real estate securities that we create and retain from our Sequoia securitizations or acquire from third parties. The following table presents the fair values of our real estate securities by type at December 31, 2021 and 2020. Table 9.1 – Fair Values of Real Estate Securities by Type (In Thousands) December 31, 2021 December 31, 2020 Trading $ 170,619 $ 125,667 Available-for-sale 206,792 218,458 Total Real Estate Securities $ 377,411 $ 344,125 Our real estate securities include mortgage-backed securities, which are presented in accordance with their general position within a securitization structure based on their rights to cash flows. Senior securities are those interests in a securitization that generally have the first right to cash flows and are last in line to absorb losses. Mezzanine securities are interests that are generally subordinate to senior securities in their rights to receive cash flows, and have subordinate securities below them that are first to absorb losses. Subordinate securities are all interests below mezzanine. Exclusive of our re-performing loan securities, nearly all of our residential securities are supported by collateral that was designated as prime at the time of issuance. Trading Securities We elected the fair value option for certain securities and classify them as trading securities. Our trading securities include both residential and multifamily mortgage-backed securities, and our residential securities also include securities backed by re-performing loans ("RPL"). The following table presents the fair value of trading securities by position and collateral type at December 31, 2021 and 2020. Table 9.2 – Fair Value of Trading Securities by Position (In Thousands) December 31, 2021 December 31, 2020 Senior Interest-only securities (1) $ 21,787 $ 28,464 Total Senior 21,787 28,464 Mezzanine Sequoia securities — 3,649 Total Mezzanine — 3,649 Subordinate RPL securities 65,140 47,448 Multifamily securities 10,549 5,592 Other third-party residential securities 73,143 40,514 Total Subordinate 148,832 93,554 Total Trading Securities $ 170,619 $ 125,667 (1) Includes $15 million and $13 million of Sequoia certificated mortgage servicing rights as of December 31, 2021 and 2020, respectively. The following table presents the unpaid principal balance of trading securities by position and collateral type at December 31, 2021 and 2020. Table 9.3 – Unpaid Principal Balance of Trading Securities by Position (In Thousands) December 31, 2021 December 31, 2020 Senior (1) $ — $ — Mezzanine — 3,577 Subordinate 235,306 242,278 Total Trading Securities $ 235,306 $ 245,855 (1) Our senior trading securities are comprised of interest-only securities, for which there is no principal balance. The following table provides the activity of trading securities during the years ended December 31, 2021 and 2020. Table 9.4 – Trading Securities Activity Year Ended December 31, (In Thousands) 2021 2020 Principal balance of securities acquired (1) $ 50,180 $ 79,921 Principal balance of securities sold (1) 55,561 744,914 Net market valuation gains (losses) recorded (2) 23,583 (230,731) (1) For the years ended December 31, 2021 and 2020, excludes $5 million and $11 million of securities bought and sold during the same quarter, respectively. (2) Net market valuation gains (losses) on trading securities are recorded through Investment fair value changes, net and Mortgage banking activities, net on our consolidated statements of income (loss). AFS Securities The following table presents the fair value of our available-for-sale securities by position and collateral type at December 31, 2021 and 2020. Table 9.5 – Fair Value of Available-for-Sale Securities by Position (In Thousands) December 31, 2021 December 31, 2020 Mezzanine Other third-party residential securities $ — $ 2,014 Total Mezzanine — 2,014 Subordinate Sequoia securities 127,542 136,475 Multifamily securities 22,166 43,663 Other third-party residential securities 57,084 36,306 Total Subordinate 206,792 216,444 Total AFS Securities $ 206,792 $ 218,458 The following table provides the activity of available-for-sale securities during the years ended December 31, 2021 and 2020. Table 9.6 – Available-for-Sale Securities Activity Year Ended December 31, (In Thousands) 2021 2020 Fair value of securities acquired (1) $ 19,100 $ 57,652 Fair value of securities sold (1) 4,785 55,192 Principal balance of securities called 27,875 7 (1) For the the years ended December 31, 2021 and 2020, excludes $6 million and $0.5 million of securities bought and sold during the same quarter, respectively. We often purchase AFS securities at a discount to their outstanding principal balances. To the extent we purchase an AFS security that has a likelihood of incurring a loss, we do not amortize into income the portion of the purchase discount that we do not expect to collect due to the inherent credit risk of the security. We may also expense a portion of our investment in the security to the extent we believe that principal losses will exceed the purchase discount. We designate any amount of unpaid principal balance that we do not expect to receive and thus do not expect to earn or recover as a credit reserve on the security. Any remaining net unamortized discounts or premiums on the security are amortized into income over time using the effective yield method. At December 31, 2021, we had $19 million of AFS securities with contractual maturities less than five years, $4 million with contractual maturities greater than five years but less than ten years, and the remainder of our AFS securities had contractual maturities greater than ten years. The following table presents the components of carrying value (which equals fair value) of AFS securities at December 31, 2021 and 2020. Table 9.7 – Carrying Value of AFS Securities December 31, 2021 (In Thousands) Mezzanine Subordinate Total Principal balance $ — $ 242,852 $ 242,852 Credit reserve — (27,555) (27,555) Unamortized discount, net — (76,023) (76,023) Amortized cost — 139,274 139,274 Gross unrealized gains — 67,815 67,815 Gross unrealized losses — (297) (297) CECL credit allowance — — — Carrying Value $ — $ 206,792 $ 206,792 December 31, 2020 (In Thousands) Mezzanine Subordinate Total Principal balance $ 2,000 $ 281,284 $ 283,284 Credit reserve — (44,967) (44,967) Unamortized discount, net — (95,718) (95,718) Amortized cost 2,000 140,599 142,599 Gross unrealized gains 14 77,280 77,294 Gross unrealized losses — (1,047) (1,047) CECL credit allowance — (388) (388) Carrying Value $ 2,014 $ 216,444 $ 218,458 The following table presents the changes for the years ended December 31, 2021 and 2020, in unamortized discount and designated credit reserves on residential AFS securities. Table 9.8 – Changes in Unamortized Discount and Designated Credit Reserves on AFS Securities Year Ended December 31, 2021 Year Ended December 31, 2020 Credit Unamortized Credit Unamortized (In Thousands) Beginning balance $ 44,967 $ 95,718 $ 32,940 $ 124,255 Amortization of net discount — (23,254) — (6,538) Realized credit losses (707) — (2,282) — Acquisitions 2,825 1,208 7,248 2,634 Sales, calls, other (1,328) (15,851) (731) (16,841) Impairments — — — — Transfers to (release of) credit reserves, net (18,202) 18,202 7,792 (7,792) Ending Balance $ 27,555 $ 76,023 $ 44,967 $ 95,718 AFS Securities with Unrealized Losses The following table presents the components comprising the total carrying value of residential AFS securities that were in a gross unrealized loss position at December 31, 2021 and 2020. Table 9.9 – Components of Fair Value of AFS Securities by Holding Periods Less Than 12 Consecutive Months 12 Consecutive Months or Longer Amortized Unrealized Fair Amortized Unrealized Fair (In Thousands) December 31, 2021 $ 7,078 $ (251) $ 6,827 $ 1,600 $ (46) $ 1,554 December 31, 2020 9,129 (1,047) 7,920 — — — At December 31, 2021, after giving effect to purchases, sales, and extinguishment due to credit losses, our consolidated balance sheet included 85 AFS securities, of which four were in an unrealized loss position and one was in a continuous unrealized loss position for 12 consecutive months or longer. At December 31, 2020, our consolidated balance sheet included 96 AFS securities, of which five were in an unrealized loss position and zero were in a continuous unrealized loss position for 12 consecutive months or longer. Evaluating AFS Securities for Credit Losses Gross unrealized losses on our AFS securities were $0.3 million at December 31, 2021. We evaluate all securities in an unrealized loss position to determine if the impairment is credit-related (resulting in an allowance for credit losses recorded in earnings) or non-credit-related (resulting in an unrealized loss through other comprehensive income). At December 31, 2021, we did not intend to sell any of our AFS securities that were in an unrealized loss position, and it is more likely than not that we will not be required to sell these securities before recovery of their amortized cost basis, which may be at their maturity. We review our AFS securities that are in an unrealized loss position to identify those securities with losses based on an assessment of changes in expected cash flows for such securities, which considers recent security performance and expected future performance of the underlying collateral. At December 31, 2021, our allowance for credit losses related to our AFS securities was zero. AFS securities for which an allowance is recognized have experienced, or are expected to experience, credit-related adverse cash flow changes. In determining our estimate of cash flows for AFS securities we may consider factors such as structural credit enhancement, past and expected future performance of underlying mortgage loans, including timing of expected future cash flows, which are informed by prepayment rates, default rates, loss severities, delinquency rates, percentage of non-performing loans, FICO scores at loan origination, year of origination, loan-to-value ratios, and geographic concentrations, as well as general market assessments. Changes in our evaluation of these factors impacted the cash flows expected to be collected at the assessment date and were used to determine if there were credit-related adverse cash flows and if so, the amount of credit related losses. Significant judgment is used in both our analysis of the expected cash flows for our AFS securities and any determination of security credit losses. The following table details the activity related to the allowance for credit losses for AFS securities held at December 31, 2021. Table 9.10 – Rollforward of Allowance for Credit Losses Year Ended Year Ended (In Thousands) December 31, 2021 December 31, 2020 Beginning balance allowance for credit losses $ 388 $ — Transition impact from adoption of ASU 2016-13, "Financial Instruments - Credit Losses" — — Additions to allowance for credit losses on securities for which credit losses were not previously recorded — 1,864 Additional increases or decreases to the allowance for credit losses on securities that had an allowance recorded in a previous period (388) (1,476) Allowance on purchased financial assets with credit deterioration — — Reduction to allowance for securities sold during the period — — Reduction to allowance for securities we intend to sell or more likely than not will be required to sell — — Write-offs charged against allowance — — Recoveries of amounts previously written off — — Ending balance of allowance for credit losses $ — $ 388 Gains and losses from the sale of AFS securities are recorded as Realized gains, net, in our consolidated statements of income (loss). The following table presents the gross realized gains and losses on sales and calls of AFS securities for the years ended December 31, 2021, 2020, and 2019. Table 9.11 – Gross Realized Gains and Losses on AFS Securities Years Ended December 31, (In Thousands) 2021 2020 2019 Gross realized gains - sales $ 1,540 $ 8,779 $ 17,582 Gross realized gains - calls 15,553 5 6,239 Gross realized losses - sales — (4,144) — Total Realized Gains on Sales and Calls of AFS Securities, net $ 17,093 $ 4,640 $ 23,821

Other Investments

Other Investments	12 Months Ended
	Dec. 31, 2021
Investments, All Other Investments [Abstract]
Other Investments	Other Investments Other investments at December 31, 2021 and 2020 are summarized in the following table. Table 10.1 – Components of Other Investments (In Thousands) December 31, 2021 December 31, 2020 Servicer advance investments $ 350,923 $ 231,489 HEIs 192,740 42,440 Strategic investments 35,702 4,449 Excess MSRs 44,231 34,418 Mortgage servicing rights 12,438 8,815 Other 5,935 26,564 Total Other Investments $ 641,969 $ 348,175 Servicer advance investments We and a third-party co-investor, through two partnerships (“SA Buyers”) consolidated by us, purchased the outstanding servicer advances and excess MSRs related to portfolios of legacy residential mortgage-backed securitizations serviced by the co-investor (See Note 4 for additional information regarding the transaction). During the year ended December 31, 2021, we funded additional purchases of outstanding servicer advances and excess MSRs under the same partnership structure. At December 31, 2021, we had funded $148 million of total capital to the SA Buyers (see Note 16 for additional detail). Our servicer advance investments (owned by the consolidated SA Buyers) are comprised of outstanding servicer advance receivables, the requirement to purchase all future servicer advances made with respect to specified pools of residential mortgage loans, and a portion of the mortgage servicing fees from the underlying loan pools. A portion of the remaining mortgage servicing fees from the underlying loan pools are paid directly to the third-party servicer for the performance of servicing duties and a portion is paid to excess MSRs that we own as a separate investment. Servicer advances are non-interest bearing and are a customary feature of residential mortgage securitization transactions. Servicer advances are generally reimbursable cash payments made by a servicer when the borrower fails to make scheduled payments due on a residential mortgage loan or to support the value of the collateral property. Servicer advances typically fall into three categories: • Principal and Interest Advances: cash payments made by the servicer to cover scheduled principal and interest payments on a residential mortgage loan that have not been paid on a timely basis by the borrower. • Escrow Advances (Taxes and Insurance Advances): Cash payments made by the servicer to third parties on behalf of the borrower for real estate taxes and insurance premiums on the property that have not been paid on a timely basis by the borrower. • Corporate Advances: Cash payments made by the servicer to third parties for the reimbursable costs and expenses incurred in connection with the foreclosure, preservation and sale of the mortgaged property, including attorneys’ and other professional fees. Servicer advances are generally permitted to be repaid from amounts received with respect to the related residential mortgage loan, including payments from the borrower or amounts received from the liquidation of the property securing the loan. Residential mortgage servicing agreements generally require a servicer to make advances in respect of serviced residential mortgage loans unless the servicer determines in good faith that the advance would not be ultimately recoverable from the proceeds of the related residential mortgage loan or the mortgaged property. At December 31, 2021, our servicer advance investments had a carrying value of $351 million and were associated with specified pools of residential mortgage loans with an unpaid principal balance of $13.63 billion. The outstanding servicer advance receivables associated with this investment were $311 million at December 31, 2021, which were financed with short-term non-recourse securitization debt (see Note 13 for additional detail on this debt). The servicer advance receivables were comprised of the following types of advances at December 31, 2021 and 2020: Table 10.2 – Components of Servicer Advance Receivables (In Thousands) December 31, 2021 December 31, 2020 Principal and interest advances $ 94,148 $ 110,923 Escrow advances (taxes and insurance advances) 172,847 79,279 Corporate advances 43,958 27,454 Total Servicer Advance Receivables $ 310,953 $ 217,656 We account for our servicer advance investments at fair value and during the years ended December 31, 2021, 2020, and 2019, we recorded $12 million, $11 million and $11 million, respectively, of Other interest income associated with these investments, and recorded a net market valuation loss of $1 million, a net market valuation loss of $9 million and a net market valuation gain of $3 million, respectively, through Investment fair value changes, net in our consolidated statements of income (loss). HEIs In 2019, we began purchasing home equity investment contracts from Point Digital under a flow purchase agreement. During the third quarter of 2021 , we amended this agreement and committed to purchase additional HEIs. At December 31, 2021, we had acquired $78 million of HEIs cumulatively under this agreement. See Note 16 for additional detail on this commitment. As of December 31, 2021, we owned $33 million of HEIs at Redwood and consolidated $160 million of HEIs through the Point HEI securitization entity. We account for these investments under the fair value option and during the years ended December 31, 2021 and 2020, we recorded a net market valuation gain of $13 million and a net market valuation loss of $2 million, respectively, related to HEIs owned at Redwood through Investment fair value changes, net on our consolidated statements of income (loss). During the third quarter of 2021, in conjunction with co-sponsoring a securitization of HEIs, we purchased $122 million of additional HEIs from other contributors to the securitization, then transferred $172 million of HEIs to the Point HEI securitization entity which issued $146 million of ABS (See Note 4 for further discussion on the Point securitization entity and Note 14 for further discussion on ABS issued). We retained subordinate certificates from the entity valued at $10 million as of December 31, 2021 , representing our economic interest in the entity. The other contributors to the securitization own subordinate certificates in the entity that were valued at $17 million at December 31, 2021 and are carried on our balance sheet as non-controlling interests within the Accrued expenses and other liabilities line item of our consolidated balance sheets. We consolidate the Point HEI securitization entity in accordance with GAAP and have elected to account for it under the CFE election. During the year ended December 31, 2021 , we recorded net market valuation gains of $0.2 million (including $1.4 million of interest expense) related to our net investment in the Point HEI entity through Investment fair value changes, net on our consolidated statements of income (loss). Strategic Investments Strategic investments represent investments we have made in companies through our RWT Horizons venture investment strategy and separately at a corporate level. At December 31, 2021, we had made 15 investments in companies through RWT Horizons with a total carrying value of $21 million, and one corporate investment in Churchill Finance. See Note 3 for additional detail on how we account for our strategic investments. During the year ended December 31, 2021, we recorded $0.8 million of Other income from our strategic investments. Excess MSRs In association with our servicer advance investments described above, we (through our consolidated SA Buyers) invested in excess MSRs associated with the same specified pools of legacy residential mortgage loans. Additionally, we own excess MSRs associated with specified pools of multifamily loans. We account for our excess MSRs at fair value and during the years ended December 31, 2021, 2020, and 2019 we recognized $13 million, $12 million and $8 million of Other interest income, respectively, and recorded net market valuation losses of $8 million, $8 million, and $3 million respectively, through Investment fair value changes, net on our consolidated statements of income (loss). Mortgage Servicing Rights We invest in mortgage servicing rights associated with residential mortgage loans and contract with licensed sub-servicers to perform all servicing functions for these loans. The majority of our investments in MSRs were made through the retention of servicing rights associated with the residential jumbo mortgage loans that we acquired and subsequently transferred to third parties. At December 31, 2021 and 2020, our MSRs had a fair value of $12 million and $9 million, respectively, and were associated with loans with an aggregate principal balance of $2.12 billion and $2.59 billion, respectively. During the years ended December 31, 2021, 2020, and 2019, including net market valuation gains and losses on our MSRs and related risk management derivatives, we recorded a net gain of $2 million, a net loss of $10 million, and a net gain of $4 million respectively, through Other income on our consolidated statements of income (loss).

Derivative Financial Instrument

Derivative Financial Instruments	12 Months Ended
	Dec. 31, 2021
Derivative Instruments and Hedging Activities Disclosure [Abstract]
Derivative Financial Instruments	Derivative Financial Instruments The following table presents the fair value and notional amount of our derivative financial instruments at December 31, 2021 and 2020. Table 11.1 – Fair Value and Notional Amount of Derivative Financial Instruments December 31, 2021 December 31, 2020 Fair Notional Fair Notional (In Thousands) Assets - Risk Management Derivatives Interest rate swaps $ 611 $ 161,500 $ 224 $ 42,000 TBAs 2,880 2,440,000 18,260 3,520,000 Interest rate futures 25 9,000 — — Swaptions 18,318 1,660,000 19,727 1,585,000 Assets - Other Derivatives Loan purchase and interest rate lock commitments 4,633 971,631 15,027 2,617,254 Total Assets $ 26,467 $ 5,242,131 $ 53,238 $ 7,764,254 Liabilities - Risk Management Derivatives Interest rate swaps (1,251) 283,100 — — TBAs (658) 870,000 (15,495) 3,105,000 Interest rate futures (905) 62,500 — — Liabilities - Other Derivatives Loan purchase commitments (503) 404,190 (577) 477,153 Total Liabilities $ (3,317) $ 1,619,790 $ (16,072) $ 3,582,153 Total Derivative Financial Instruments, Net $ 23,150 $ 6,861,921 $ 37,166 $ 11,346,407 Risk Management Derivatives To manage, to varying degrees, risks associated with certain assets and liabilities on our consolidated balance sheets, we may enter into derivative contracts. At December 31, 2021, we were party to swaps and swaptions with an aggregate notional amount of $2.10 billion, futures with an aggregate notional amount of $72 million and TBA agreements with an aggregate notional amount of $3.31 billion. At December 31, 2020, we were party to swaps and swaptions with an aggregate notional amount of $1.63 billion, and TBA agreements with an aggregate notional amount of $6.63 billion. For the years ended December 31, 2021, 2020, and 2019, risk management derivatives had a net market valuation gain of $41 million, a net market valuation loss of $93 million, and a net market valuation loss of $134 million, respectively. These market valuation gains and losses are recorded in Mortgage banking activities, net, Investment fair value changes, net and Other income on our consolidated statements of income (loss). Loan Purchase and Interest Rate Lock Commitments LPCs and IRLCs that qualify as derivatives are recorded at their estimated fair values. For the years ended December 31, 2021, 2020, and 2019, LPCs and IRLCs had a net market valuation gain of $11 million, a net market valuation gain of $57 million, and a net market valuation gain of $62 million, respectively, that were recorded in Mortgage banking activities, net on our consolidated statements of income (loss). Derivatives Designated as Cash Flow Hedges To manage the variability in interest expense related to portions of our long-term debt, we designated certain interest rate swaps as cash flow hedges. During the first quarter of 2020, we terminated and settled all of our outstanding derivatives that had been designated as cash flow hedges for our trust preferred securities and subordinated debt, with a payment of $84 million. For interest rate agreements previously designated as cash flow hedges, our total unrealized loss reported in Accumulated other comprehensive income was $76 million and $81 million at December 31, 2021 and 2020, respectively. We will amortize this loss into interest expense over the remaining term of our trust preferred securities and subordinated notes. As of December 31, 2021, we expect to amortize $4 million of realized losses related to terminated cash flow hedges into interest expense over the next twelve months. For the years ended December 31, 2021, 2020, and 2019, changes in the values of designated cash flow hedges were $0, negative $33 million, and negative $17 million, respectively, and were recorded in Accumulated other comprehensive income, a component of equity. The following table illustrates the impact on interest expense of our interest rate agreements accounted for as cash flow hedges for the years ended December 31, 2021, 2020, and 2019. Table 11.2 – Impact on Interest Expense of Interest Rate Agreements Accounted for as Cash Flow Hedges Years Ended December 31, (In Thousands) 2021 2020 2019 Net interest expense on cash flows hedges $ — $ (860) $ (2,847) Realized net losses reclassified from other comprehensive income (4,127) (3,188) — Total Interest Expense $ (4,127) $ (4,048) $ (2,847) Derivative Counterparty Credit Risk We incur credit risk to the extent that counterparties to our derivative financial instruments do not perform their obligations under specified contractual agreements. If a derivative counterparty does not perform, we may not receive the proceeds to which we may be entitled under these agreements. Each of our derivative counterparties that is not a clearinghouse must maintain compliance with International Swaps and Derivatives Association (“ISDA”) agreements or other similar agreements (or receive a waiver of non-compliance after a specific assessment) in order to conduct derivative transactions with us. Additionally, we review non-clearinghouse derivative counterparty credit standings, and in the case of a deterioration of creditworthiness, appropriate remedial action is taken. To further mitigate counterparty risk, we exit derivatives contracts with counterparties that (i) do not maintain compliance with (or obtain a waiver from) the terms of their ISDA or other agreements with us; or (ii) do not meet internally established guidelines regarding creditworthiness. Our ISDA and similar agreements currently require full bilateral collateralization of unrealized loss exposures with our derivative counterparties. Through a margin posting process, our positions are revalued with counterparties each business day and cash margin is generally transferred to either us or our derivative counterparties as collateral based upon the directional changes in fair value of the positions. We also attempt to transact with several different counterparties in order to reduce our specific counterparty exposure. With respect to certain of our derivatives, clearing and settlement is through one or more clearinghouses, which may be substituted as a counterparty. Clearing and settlement of derivative transactions through a clearinghouse is also intended to reduce specific counterparty exposure. We consider counterparty risk as part of our fair value assessments of all derivative financial instruments at each quarter-end. At December 31, 2021, we assessed this risk as remote and did not record a specific valuation adjustment. At December 31, 2021, we were in compliance with our derivative counterparty ISDA agreements.

Other Assets and Liabilities

Other Assets and Liabilities	12 Months Ended
	Dec. 31, 2021
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]
Other Assets and Liabilities	Other Assets and Liabilities Other assets at December 31, 2021 and 2020 are summarized in the following table. Table 12.1 – Components of Other Assets (In Thousands) December 31, 2021 December 31, 2020 Investment receivable $ 82,781 $ 43,176 Accrued interest receivable 47,515 39,445 REO 36,126 8,413 Deferred tax asset 20,867 871 Operating lease right-of-use assets 18,772 15,012 Fixed assets and leasehold improvements (1) 9,019 4,203 Margin receivable 7,269 4,758 Pledged collateral — 1,177 Other 8,768 13,533 Total Other Assets $ 231,117 $ 130,588 (1) Fixed assets and leasehold improvements had a basis of $17 million and accumulated depreciation of $8 million at December 31, 2021. Accrued expenses and other liabilities at December 31, 2021 and 2020 are summarized in the following table. Table 12.2 – Components of Accrued Expenses and Other Liabilities (In Thousands) December 31, 2021 December 31, 2020 Accrued compensation $ 74,636 $ 24,393 Payable to non-controlling interests 42,670 16,941 Accrued interest payable 39,297 34,858 Margin payable 24,368 14,728 Operating lease liabilities 20,960 16,687 Residential loan and MSR repurchase reserve 9,306 8,631 Guarantee obligations 7,459 10,039 Accrued operating expenses 4,377 5,509 Bridge loan holdbacks 3,109 5,708 Accrued income taxes payable 726 5,614 Deferred consideration — 14,579 Other 18,880 21,653 Total Accrued Expenses and Other Liabilities $ 245,788 $ 179,340 Deferred Consideration The deferred consideration presented in the table above is related to our acquisition of 5 Arches in 2019. During the first quarter of 2021, we distributed 806,068 shares of Redwood common stock and paid $1 million in cash in full settlement of the remaining deferred consideration associated with this acquisition. Investment Receivable Investment receivable primarily consists of amounts receivable from third-party servicers related to principal and interest receivable from business purpose loans and fees receivable from servicer advance investments. Margin Receivable and Payable Margin receivable and payable resulted from margin calls between us and our counterparties under derivatives, master repurchase agreements, and warehouse facilities, whereby we or the counterparty posted collateral. Through December 31, 2021, we had met all margin calls due. Operating Lease Right-of-Use Assets and Operating Lease Liabilities Operating lease liabilities are equal to the present value of our remaining lease payments discounted at our incremental borrowing rate and the operating lease right-of-use assets are equal to the operating lease liabilities adjusted for our deferred rent liabilities. These balances are reduced as lease payments are made. See Note 16 for additional information on leases. REO The following table summarizes the activity and carrying values of REO assets held at Redwood and at consolidated Legacy Sequoia, Freddie Mac SLST, and CAFL entities during the year ended December 31, 2021 and 2020. Table 12.3 – REO Activity Year Ended December 31, 2021 (In Thousands) Bridge Legacy Sequoia Freddie Mac SLST SFR at CAFL Total Balance at beginning of period $ 4,600 $ 638 $ 646 $ 2,529 $ 8,413 Transfers to REO 15,424 217 3,268 21,129 40,038 Liquidations (1) (7,515) (956) (2,137) (2,034) (12,642) Changes in fair value, net 559 162 251 (655) 317 Balance at End of Period $ 13,068 $ 61 $ 2,028 $ 20,969 $ 36,126 Year Ended December 31, 2020 (In Thousands) Bridge Legacy Sequoia Freddie Mac SLST SFR at CAFL Total Balance at beginning of period $ 6,887 $ 460 $ 445 $ 1,670 $ 9,462 Transfers to REO 6,111 532 1,319 6,157 14,119 Liquidations (1) (8,830) (243) (1,178) (4,371) (14,622) Changes in fair value, net 432 (111) 60 (927) (546) Balance at End of Period $ 4,600 $ 638 $ 646 $ 2,529 $ 8,413 (1) For the years ended December 31, 2021 and 2020, REO liquidations resulted in $0.3 million and $1 million of realized losses, respectively, which were recorded in Investment fair value changes, net on our consolidated statements of income (loss). The following table provides the detail of REO assets at Redwood and at consolidated Legacy Sequoia, Freddie Mac SLST, and CAFL entities at December 31, 2021 and 2020. Table 12.4 – REO Assets Number of REO assets Redwood Bridge Legacy Sequoia Freddie Mac SLST SFR at CAFL Total At December 31, 2021 5 2 24 3 34 At December 31, 2020 3 3 9 2 17 Legal and Repurchase Reserves See Note 16 for additional information on the legal and residential repurchase reserves. Payable to Non-Controlling Interests In 2018, Redwood and a third-party co-investor, through two partnership entities consolidated by Redwood, purchased servicer advances and excess MSRs related to a portfolio of residential mortgage loans serviced by the co-investor (see Note 4 and Note 10 for additional information on the partnership entities and associated investments). We account for the co-investor’s interests in the entities as liabilities and at December 31, 2021, the carrying value of their interests was $26 million, representing their current economic interest in the entities. Earnings from the partnership entities are allocated to the co-investors on a proportional basis and during the years ended December 31, 2021, 2020, and 2019 we allocated $2 million of income, $0.2 million of losses, and $1 million of gains, respectively, to the co-investors, which were recorded in Other expenses on our consolidated statements of income (loss). During the third quarter of 2021, Redwood and a third-party investor co-sponsored the transfer and securitization of HEIs through the Point HEI securitization entity. We account for the co-investor’s interest in the Point HEI securitization entity as a liability and at December 31, 2021, the carrying value of their interests was $17 million, representing their current economic interest in the Point HEI entity. See Note 10

Short-Term Debt

Short-Term Debt	12 Months Ended
	Dec. 31, 2021
Debt Disclosure [Abstract]
Short-Term Debt	Short-Term Debt We enter into repurchase agreements ("repo"), loan warehouse agreements, and other forms of collateralized (and generally uncommitted) short-term borrowings with several banks and major investment banking firms. At December 31, 2021, we had outstanding agreements with several counterparties and we were in compliance with all of the related covenants. The table below summarizes our short-term debt, including the facilities that are available to us, the outstanding balances, the weighted average interest rate, and the maturity information at December 31, 2021 and 2020. Table 13.1 – Short-Term Debt December 31, 2021 (Dollars in Thousands) Number of Facilities Outstanding Balance Limit Weighted Average Interest Rate (1) Maturity Weighted Average Days Until Maturity Facilities Residential loan warehouse (1) 7 $ 1,669,344 $ 2,900,000 1.87 % 1/2022-12/2022 153 Business purpose loan warehouse 2 138,746 350,000 3.34 % 3/2022-7/2022 105 Real estate securities repo 4 74,825 — 1.13 % 1/2022-3/2022 33 Total Short-Term Debt Facilities 13 1,882,915 Servicer advance financing 1 294,447 350,000 1.90 % 11/2022 306 Total Short-Term Debt $ 2,177,362 December 31, 2020 (Dollars in Thousands) Number of Facilities Outstanding Balance Limit Weighted Average Interest Rate (1) Maturity Weighted Average Days Until Maturity Facilities Residential loan warehouse 4 $ 137,269 $ 1,300,000 2.45 % 1/2021-11/2021 268 Business purpose loan warehouse (2) 2 99,190 500,000 3.37 % 5/2022-6/2022 521 Real estate securities repo 3 77,775 — 2.24 % 1/2021-3/2021 36 Total Short-Term Debt Facilities 9 314,234 Servicer advance financing 1 208,375 335,000 1.95 % 11/2021 334 Total Short-Term Debt $ 522,609 (1) Borrowings under our facilities are generally uncommitted and charged interest based on a specified margin over the 1- or 3-month LIBOR, or 1-month SOFR. (2) Due to the revolving nature of the borrowings under these facilities, we have classified certain these facilities as short-term debt at December 31, 2021 and 2020. Borrowings under these facilities will be repaid as the underlying loans mature or are sold to third parties or transferred to securitizations. The following table below presents the value of loans and securities pledged as collateral under our short-term debt facilities at December 31, 2021 and 2020. Table 13.2 – Collateral for Short-Term Debt (In Thousands) December 31, 2021 December 31, 2020 Collateral Type Held-for-sale residential loans $ 1,838,797 $ 156,355 Business purpose loans 167,687 127,029 Real estate securities On balance sheet 5,823 23,193 Sequoia securitizations (1) 61,525 63,105 Freddie Mac K-Series securitizations (1) 31,657 28,255 Total real estate securities owned 99,005 114,553 Other assets 1,962 315 Total Collateral for Short-Term Debt Facilities $ 2,107,451 $ 398,252 Cash 6,480 9,978 Restricted cash 25,420 23,220 Servicer advances 310,953 217,656 Total Collateral for Servicer Advance Financing 342,853 250,854 Total Collateral for Short-Term Debt $ 2,450,304 $ 649,106 (1) Represents securities we have retained from consolidated securitization entities. For GAAP purposes, we consolidate the loans and non-recourse ABS debt issued from these securitizations. For the years ended December 31, 2021 and 2020, the average balances of our short-term debt facilities were $1.67 billion and $1.19 billion, respectively. At December 31, 2021 and 2020, accrued interest payable on our short-term debt facilities was $2 million and $1 million, respectively. Servicer advance financing consists of non-recourse short-term securitization debt used to finance servicer advance investments. We consolidate the securitization entity that issued the debt, but the entity is independent of Redwood and the assets and liabilities are not owned by and are not legal obligations of Redwood. At December 31, 2021, the accrued interest payable balance on this financing was $0.2 million and the unamortized capitalized commitment costs were $1 million. We also maintain a $10 million committed line of credit with a financial institution that is secured by certain mortgage-backed securities with a fair market value of $1 million at December 31, 2021. At both December 31, 2021 and 2020, we had no outstanding borrowings on this facility. Remaining Maturities of Short-Term Debt The following table presents the remaining maturities of our secured short-term debt by the type of collateral securing the debt as well as our convertible notes at December 31, 2021. Table 13.3 – Short-Term Debt by Collateral Type and Remaining Maturities December 31, 2021 (In Thousands) Within 30 days 31 to 90 days Over 90 days Total Collateral Type Held-for-sale residential loans $ 101,885 $ 1,022,271 $ 545,188 $ 1,669,344 Business purpose loans — 103,925 34,821 138,746 Real estate securities 43,833 30,992 — 74,825 Total Secured Short-Term Debt 145,718 1,157,188 580,009 1,882,915 Servicer advance financing — — 294,447 294,447 Total Short-Term Debt $ 145,718 $ 1,157,188 $ 874,456 $ 2,177,362

Asset-Backed Securities Issued

Asset-Backed Securities Issued	12 Months Ended
	Dec. 31, 2021
Debt Disclosure [Abstract]
Asset-Backed Securities Issued	Asset-Backed Securities Issued ABS issued represents securities issued by non-recourse securitization entities we consolidate under GAAP. The majority of our ABS issued is carried at fair value under the CFE election (see Note 4 for additional detail) with the remainder carried at amortized cost. The carrying values of ABS issued by our consolidated securitization entities at December 31, 2021 and 2020 along with other selected information, are summarized in the following table. Table 14.1 – Asset-Backed Securities Issued December 31, 2021 (Dollars in Thousands) Legacy Sequoia CAFL (1) Freddie Mac SLST (2) Freddie Mac Point HEI Total Certificates with principal balance $ 259,505 $ 3,353,073 $ 3,264,766 $ 1,535,638 $ 418,700 $ 138,792 $ 8,970,474 Interest-only certificates 619 32,749 193,725 11,714 10,184 — 248,991 Market valuation adjustments (32,243) (2,774) 16,407 41,111 12,973 (1,382) 34,092 ABS Issued, Net $ 227,881 $ 3,383,048 $ 3,474,898 $ 1,588,463 $ 441,857 $ 137,410 $ 9,253,557 Range of weighted average interest rates, by series (3) 0.23% to 1.44% 2.4% to 5.03% 2.64% to 5.24% 3.50% to 4.75% 3.41 % 3.31 % Stated maturities (3) 2024 - 2036 2047-2052 2027-2031 2028-2059 2025 2052 Number of series 20 16 16 3 1 1 December 31, 2020 (Dollars in Thousands) Legacy Sequoia CAFL (1) Freddie Mac SLST (2) Freddie Mac K-Series Point HEI Total Certificates with principal balance $ 329,039 $ 1,309,957 $ 2,716,425 $ 1,866,145 $ 416,339 $ — $ 6,637,905 Interest-only certificates 1,092 4,591 162,934 23,335 13,026 — 204,978 Market valuation adjustments (47,805) 32,809 133,734 104,439 34,601 — 257,778 ABS Issued, Net $ 282,326 $ 1,347,357 $ 3,013,093 $ 1,993,919 $ 463,966 $ — $ 7,100,661 Range of weighted average interest rates, by series 0.35% to 1.55% 2.25% to 5.04% 2.68% to 5.42% 3.50% to 4.75% 3.39% to 3.39% — Stated maturities 2024 - 2036 2047 - 2050 2021 - 2031 2028 - 2059 2025 — Number of series 20 10 14 3 1 — (1) Includes $270 million (principal balance) of ABS issued by a CAFL bridge securitization trust sponsored by Redwood and accounted for at amortized cost at December 31, 2021. (2) Includes $145 million and $205 million (principal balance) of ABS issued by a re-securitization trust sponsored by Redwood and accounted for at amortized cost at December 31, 2021 and December 31, 2020, respectively. (3) Certain ABS issued by CAFL, Freddie Mac SLST, and Point HEI entities are subject to early redemption and interest rate step-ups as described below. During the third quarter of 2021, we consolidated the assets and liabilities of a securitization entity formed in connection with the securitization of CoreVest bridge loans (presented within CAFL in Table 14.1 above), which we determined was a VIE and for which we determined we are the primary beneficiary. At issuance, we sold $270 million (principal balance) of ABS issued to third parties and retained the remaining beneficial ownership interest in the trust. The ABS were issued at a discount and we have elected to account for the ABS issued at amortized cost. At December 31, 2021, the principal balance of the ABS issued was $270 million, and the debt discount and deferred issuance costs were $3 million, for a net carrying value of $267 million. The weighted average stated coupon of the ABS issued was 2.34% at issuance. The ABS issued by the CAFL bridge entity are subject to an optional redemption in March 2024, and beginning in March 2025 the interest rate on the ABS issued increases by 2% through final maturity in March 2029. The ABS issued by this securitization were backed by assets including $278 million of bridge loans, $13 million of other assets and $15 million of restricted cash at December 31, 2021. The securitization is structured with $300 million of total funding capacity and a feature to allow reinvestment of loan payoffs for the first 30 months of the transaction (through March 2024). During the third quarter of 2021, we consolidated the assets and liabilities of the Point HEI entity formed in connection with the securitization of HEIs, which we determined was a VIE and for which we determined we are the primary beneficiary. At issuance, we sold $146 million (principal balance) of ABS issued to third parties and retained a portion of the remaining beneficial ownership interest in the trust. We elected to account for the entity under the CFE election and account for the ABS issued at fair value, with the entire change in fair value of the ABS issued (including accrued interest) recorded through Investment fair value changes, net on our consolidated statements of income (loss). The ABS issued by the Point HEI entity are subject to an optional redemption in September 2023, and beginning in September 2024 the interest rate on the ABS issued increases by 2% through final maturity in 2052. During the third quarter of 2020, we transferred all of the subordinate securities we owned from two consolidated re-performing loan securitization VIEs sponsored by Freddie Mac SLST to a re-securitization trust, which we determined was a VIE and for which we determined we are the primary beneficiary. At issuance, we sold $210 million (principal balance) of ABS issued to third parties and retained 100% of the remaining beneficial ownership interest in the trust through ownership of a subordinate security issued by the trust. The ABS was issued at a discount and we have elected to account for the ABS issued at amortized cost. At December 31, 2021, the carrying value of the ABS issued was $143 million and the debt discount was $2 million. The stated coupon of the ABS issued was 4.75% at issuance and the final stated maturity occurs in July 2059. The ABS issued is subject to optional redemption in July 2022 and in July 2023, the ABS interest rate steps up to 7.75%. The actual maturity of each class of ABS issued is primarily determined by the rate of principal prepayments on the assets of the issuing entity. Each series is also subject to redemption prior to the stated maturity according to the terms of the respective governing documents of each ABS issuing entity. As a result, the actual maturity of ABS issued may occur earlier than its stated maturity. At December 31, 2021, the majority of the ABS issued and outstanding had contractual maturities beyond five years. See Note 4 for detail on the carrying value components of the collateral for ABS issued and outstanding. The following table summarizes the accrued interest payable on ABS issued at December 31, 2021 and 2020. Interest due on consolidated ABS issued is payable monthly. Table 14.2 – Accrued Interest Payable on Asset-Backed Securities Issued (In Thousands) December 31, 2021 December 31, 2020 Legacy Sequoia $ 99 $ 141 Sequoia 8,452 4,697 Freddie Mac SLST (1) 4,630 5,656 Freddie Mac K-Series 1,190 1,177 CAFL 11,030 10,122 Total Accrued Interest Payable on ABS Issued $ 25,401 $ 21,793 (1) Includes accrued interest payable on ABS issued by a re-securitization trust sponsored by Redwood.

Long-Term Debt

Long-Term Debt	12 Months Ended
	Dec. 31, 2021
Debt Disclosure [Abstract]
Long-Term Debt	Long-Term Debt The table below summarizes our long-term debt, including the facilities that are available to us, the outstanding balances, the weighted average interest rate, and the maturity information at December 31, 2021 and 2020. Table 15.1 – Long-Term Debt December 31, 2021 (Dollars in Thousands) Borrowings Unamortized Deferred Issuance Costs / Discount Net Carrying Value Limit Weighted Average Interest Rate (1) Final Maturity Facilities Recourse Subordinate Securities Financing Facility A $ 144,385 $ (313) $ 144,072 N/A 4.21 % 9/2024 CAFL Facility B 102,351 (353) 101,998 N/A 4.21 % 2/2025 Facility G 91,707 (376) 91,331 N/A 4.75 % 6/2026 Non-Recourse BPL Financing Facility H 307,215 (507) 306,708 400,000 L + 2.75% N/A Recourse BPL Financing Facility F 234,349 (123) 234,226 450,000 L + 2.21% 9/2023 Facility I 110,148 — 110,148 450,000 L + 3.35% 6/2023 Total Long-Term Debt Facilities 990,155 (1,672) 988,483 Convertible notes 4.75% convertible senior notes 198,629 (1,836) 196,793 N/A 4.75 % 8/2023 5.625% convertible senior notes 150,200 (2,072) 148,128 N/A 5.625 % 7/2024 5.75% exchangeable senior notes 172,092 (3,384) 168,708 N/A 5.75 % 10/2025 Trust preferred securities and subordinated notes 139,500 (779) 138,721 N/A L + 2.25% 7/2037 Total Long-Term Debt $ 1,650,576 $ (9,743) $ 1,640,833 December 31, 2020 (Dollars in Thousands) Borrowings Unamortized Deferred Issuance Costs / Discount Net Carrying Value Limit Weighted Average Interest Rate (1) Final Maturity Facilities Recourse Subordinate Securities Financing Facility A $ 178,167 $ (729) $ 177,438 N/A 4.21 % 9/2024 Facility B 102,856 (656) 102,200 N/A 4.21 % 2/2025 Non-Recourse BPL Financing Facility C 251,721 (2,452) 249,269 372,248 L + 7.50% 6/2022 Facility D 115,081 (666) 114,415 185,240 L + 3.85% 7/2022 Recourse BPL Financing Facility E 51,950 (488) 51,462 350,000 L + 3.00% 5/2022 Facility F 80,135 (193) 79,942 250,000 L + 3.00% 9/2023 Total Long-Term Debt Facilities 779,910 (5,184) 774,726 FHLBC borrowings 1,000 — 1,000 1,000 0.30 % 1/2026 Convertible notes 4.75% convertible senior notes 198,629 (2,862) 195,767 N/A 4.75 % 8/2023 5.625% convertible senior notes 150,200 (2,815) 147,385 N/A 5.625 % 7/2024 5.75% exchangeable senior notes 172,092 (4,159) 167,933 N/A 5.75 % 10/2025 Trust preferred securities and subordinated notes 139,500 (826) 138,674 N/A L + 2.25% 7/2037 Total Long-Term Debt $ 1,441,331 $ (15,846) $ 1,425,485 (1) Variable rate borrowings are based on 1- or 3-month LIBOR ("L" in the table above) plus an applicable spread. The following table summarizes the value of loans and securities pledged as collateral under our long-term debt facilities at December 31, 2021 and 2020. Table 15.2 – Long-Term Debt (In Thousands) December 31, 2021 December 31, 2020 Collateral Type Bridge loans $ 554,597 $ 544,151 Single-family rental loans 244,703 154,774 Real estate securities Sequoia securitizations (1) 247,227 249,446 CAFL securitizations (1) 260,405 114,044 Total real estate securities owned 507,632 363,490 Other BPL investments — 21,414 Restricted cash — 1,100 Total Collateral for Long-Term Debt $ 1,306,932 $ 1,084,929 (1) Represents securities we have retained from consolidated securitization entities. For GAAP purposes, we consolidate the loans and non-recourse ABS debt issued from these securitizations. The following table summarizes the accrued interest payable on long-term debt at December 31, 2021 and 2020. Table 15.3 – Accrued Interest Payable on Long-Term Debt (In Thousands) December 31, 2021 December 31, 2020 Long-term debt facilities $ 815 $ 1,799 Convertible notes 4.75% convertible senior notes 3,564 3,564 5.625% convertible senior notes 3,896 3,896 5.75% exchangeable senior notes 2,474 2,474 Trust preferred securities and subordinated notes 581 669 Total Accrued Interest Payable on Long-Term Debt $ 11,330 $ 12,402 Recourse Subordinate Securities Financing Facilities In 2019, a subsidiary of Redwood entered into a repurchase agreement providing non-marginable (i.e., not subject to margin calls based on the market value of the underlying collateral) recourse debt financing of certain Sequoia securities as well as securities retained from our consolidated Sequoia securitizations (Facility A in Table 15.1 above). The financing is fully and unconditionally guaranteed by Redwood, with an interest rate of approximately 4.21% through September 2022. The financing facility may be terminated, at our option, in September 2022, and has a final maturity in September 2024, provided that the interest rate on amounts outstanding under the facility increases between October 2022 and September 2024. In the first quarter of 2020, a subsidiary of Redwood entered into a second repurchase agreement with similar terms to the facility above to provide non-marginable recourse debt financing of certain securities retained from our consolidated CAFL securitizations (Facility B in Table 15.1 above). The financing is fully and unconditionally guaranteed by Redwood, with an interest rate of approximately 4.21% through February 2023. The financing facility may be terminated, at our option, in February 2023, and has a final maturity in February 2025, provided that the interest rate on amounts outstanding under the facility increases between March 2023 and February 2025. In the third quarter of 2021, a subsidiary of Redwood entered into a repurchase agreement providing non-marginable recourse debt financing of certain securities retained from our consolidated CAFL securitizations (Facility G in Table 15.1 above). The financing is guaranteed by Redwood, with an interest rate of approximately 4.75% through June 2024. The financing facility may be terminated, at our option, in June 2023, and has a final maturity in June 2026, provided that the interest rate on amounts outstanding under the facility increases between June 2024 and June 2026. Non-Recourse Business Purpose Loan Financing Facilities In the second quarter of 2021, a subsidiary of Redwood entered into a repurchase agreement providing non-marginable, non-recourse financing primarily for business purpose bridge loans (Facility H in Table 15.1 above). Borrowings under this facility accrue interest at a per annum rate equal to one-month LIBOR plus 2.75%. This facility does not have a specified maturity date, but may be subject to repayment within a year upon notification by the lender. In the third quarter of 2020, a subsidiary of Redwood entered into a repurchase agreement providing non-marginable, non-recourse financing primarily for business purpose bridge loans (Facility D in the December 31, 2020 Table 15.1 above). Borrowings under this facility accrue interest at a per annum rate equal to one-month LIBOR plus 3.85% (with a 0.50% LIBOR floor), through July 2022. We do not have the ability to increase borrowings under this borrowing facility above the existing amounts outstanding. In the third quarter of 2021, we reclassified this facility from long-term to short-term debt as the maturity on this facility became due within a year. In the second quarter of 2020, a subsidiary of Redwood entered into a repurchase agreement providing non-marginable, non-recourse financing primarily for business purpose bridge loans (Facility C in Table 15.1 above). Borrowings under this facility accrue interest at a per annum rate equal to one-month LIBOR plus 7.50% (with a 1.50% LIBOR floor), through June 2022 (facility is fully callable in June 2021). The revolving period ends in June 2021, and amounts borrowed under the term and revolving facilities are due in full in June 2022. We repaid this facility in full during the second quarter of 2021. Recourse Business Purpose Loan Financing Facilities In the second quarter of 2021, a subsidiary of Redwood entered into a repurchase agreement providing non-marginable financing for business purpose bridge loans and single-family rental loans (Facility I in Table 15.1 above). At December 31, 2021, borrowings under this facility accrue interest at a weighted average per annum rate equal to three-month LIBOR plus 3.35% through June 2023 and are recourse to Redwood. At December 31, 2021 this facility has an aggregate maximum borrowing capacity of $450 million. In the third quarter of 2020, a subsidiary of Redwood entered into a repurchase agreement providing non-marginable financing for business purpose bridge loans and single-family rental loans (Facility F in Table 15.1 above). At December 31, 2021, borrowings under this facility accrue interest at a weighted average per annum rate equal to three-month LIBOR plus 2.21% through September 2023 and are recourse to Redwood. At December 31, 2021 this facility has an aggregate maximum borrowing capacity of $450 million. In the second quarter of 2020, a subsidiary of Redwood entered into a repurchase agreement providing non-marginable financing for business purpose bridge loans and single-family rental loans (Facility E in Table 15.1 above). Borrowings under this facility accrue interest at a per annum rate equal to three-month LIBOR plus 2.75% through March 2022 and are recourse to Redwood. This facility has an aggregate maximum borrowing capacity of $350 million. In the second quarter of 2021, we reclassified this facility from long-term to short-term debt as the maturity on this facility became due within a year. Convertible Notes In September 2019, RWT Holdings, Inc., a wholly-owned subsidiary of Redwood Trust, Inc., issued $201 million principal amount of 5.75% exchangeable senior notes due 2025. After deducting the underwriting discount and offering costs, we received $195 million of net proceeds. Including amortization of deferred debt issuance costs, the weighted average interest expense yield on these exchangeable notes is approximately 6.3% per annum. At December 31, 2021, these notes were exchangeable at the option of the holder at an exchange rate of 55.2644 common shares per $1,000 principal amount of exchangeable senior notes (equivalent to an exchange price of $18.09 per common share). Upon exchange of these notes by a holder, the holder will receive shares of our common stock. During the second quarter of 2020, we repurchased $29 million par value of these notes at a discount and recorded a gain on extinguishment of $6 million in Realized gains, net on our consolidated statements of income (loss). In June 2018, we issued $200 million principal amount of 5.625% convertible senior notes due 2024 at an issuance price of 99.5%. These convertible notes require semi-annual interest payments at a fixed coupon rate of 5.625% until maturity or conversion, which will be no later than July 15, 2024. After deducting the issuance discount, the underwriting discount and offering costs, we received $194 million of net proceeds. Including amortization of deferred debt issuance costs and the debt discount, the weighted average interest expense yield on these convertible notes is approximately 6.2% per annum. These notes are convertible at the option of the holder at a conversion rate of 54.8317 common shares per $1,000 principal amount of convertible senior notes (equivalent to a conversion price of $18.24 per common share). Upon conversion of these notes by a holder, the holder will receive shares of our common stock. During the second quarter of 2020, we repurchased $50 million par value of these notes at a discount and recorded a gain on extinguishment of $9 million in Realized gains, net on our consolidated statements of income (loss). In August 2017, we issued $245 million principal amount of 4.75% convertible senior notes due 2023. After deducting the underwriting discount and offering costs, we received $238 million of net proceeds. Including amortization of deferred debt issuance costs, the weighted average interest expense yield on these convertible notes is approximately 5.3% per annum. At December 31, 2021, these notes were convertible at the option of the holder at a conversion rate of 54.4764 common shares per $1,000 principal amount of convertible senior notes (equivalent to a conversion price of $18.36 per common share). Upon conversion of these notes by a holder, the holder will receive shares of our common stock. During the second quarter of 2020, we repurchased $46 million par value of these notes at a discount and recorded a gain on extinguishment of $10 million in Realized gains, net on our consolidated statements of income (loss). Trust Preferred Securities and Subordinated Notes At December 31, 2021, we had trust preferred securities and subordinated notes outstanding of $100 million and $40 million, respectively. This debt requires quarterly interest payments at a floating rate equal to three-month LIBOR plus 2.25% until the notes are redeemed. The $100 million trust preferred securities will be redeemed no later than January 30, 2037, and the $40 million subordinated notes will be redeemed no later than July 30, 2037. Under the terms of this debt, we covenant, among other things, to use our best efforts to continue to qualify as a REIT. If an event of default were to occur in respect of this debt, we would generally be restricted under its terms (subject to certain exceptions) from making dividend distributions to stockholders, from repurchasing common stock or repurchasing or redeeming any other then-outstanding equity securities, and from making any other payments in respect of any equity interests in us or in respect of any then-outstanding debt that is pari passu or subordinate to this debt.

Commitments and Contingencies

Commitments and Contingencies	12 Months Ended
	Dec. 31, 2021
Commitments and Contingencies Disclosure [Abstract]
Commitments and Contingencies	Commitments and Contingencies Lease Commitments At December 31, 2021, we were obligated under seven non-cancelable operating leases with expiration dates through 2031 for $24 million of cumulative lease payments. Our operating lease expense was $4 million, $4 million, and $3 million for the years ended December 31, 2021, 2020 and 2019, respectively. The following table presents our future lease commitments at December 31, 2021. Table 16.1 – Future Lease Commitments by Year (In Thousands) December 31, 2021 2022 $ 4,163 2023 4,428 2024 4,338 2025 3,552 2026 3,420 2027 and thereafter 4,553 Total Lease Commitments 24,454 Less: Imputed interest (3,494) Operating Lease Liabilities $ 20,960 Leasehold improvements for our offices are amortized into expense over the lease term. There were $3 million of unamortized leasehold improvements at December 31, 2021. For the years ended December 31, 2021, 2020, and 2019, we recognized $0.5 million, $0.5 million, and $0.4 million of leasehold amortization expense, respectively. During the year ended December 31, 2021, we leased additional office space and extended the lease term at two of our office locations and determined that each of these lease amendments qualified as operating leases. At December 31, 2021, our operating lease liabilities were $21 million, which were a component of Accrued expenses and other liabilities Other assets We determined that none of our leases contained an implicit interest rate and used a discount rate equal to our incremental borrowing rate on a collateralized basis to determine the present value of our total lease payments. As such, we determined the applicable discount rate for each of our leases using a swap rate plus an applicable spread for borrowing arrangements secured by our real estate loans and securities for a length of time equal to the remaining lease term on the date of adoption. At December 31, 2021, the weighted-average remaining lease term and weighted-average discount rate for our leases was 6 years and 5.1%, respectively. Commitment to Fund Bridge Loans As of December 31, 2021, we had commitments to fund up to $625 million of additional advances on existing bridge loans. These commitments are generally subject to loan agreements with covenants regarding the financial performance of the borrower and other terms regarding advances that must be met before we fund the commitment. At December 31, 2021 and 2020, we carried a $1 million and $2 million contingent liability related to these commitments to fund construction advances, respectively. During the years ended December 31, 2021 and 2020, we recorded a net market valuation gain of $1 million and a net market valuation loss of $2 million, respectively, related to this liability through Mortgage banking activities, net on our consolidated statements of income (loss). Commitment to Fund Partnerships In 2018, we invested in two partnerships created to acquire and manage certain mortgage servicing related assets (see Note 10 for additional detail). In connection with this investment, we are required to fund future net servicer advances related to the underlying mortgage loans. The actual amount of net servicer advances we may fund in the future is subject to significant uncertainty and will be based on the credit and prepayment performance of the underlying loans. Commitment to Acquire HEIs In the third quarter of 2021, we amended an existing flow purchase agreement with Point Digital to acquire HEIs that Point Digital originates with homeowners. Each HEI provides the owner of such HEI the right to purchase a percentage ownership interest in an associated residential property, and the homeowner's obligations under the HEI are secured by a lien (primarily second liens) on t he property created by a deed of trust or a mortgage. Our investments in HEIs allow us to share in both home price appreciation and depreciation of the associated property. At December 31, 2021, we had an outstanding remaining commitment to fund up to $94 million under this agreement. Loss Contingencies — Risk-Sharing During 2015 and 2016, we sold conforming loans to the Agencies with an original unpaid principal balance of $3.19 billion, subject to our risk-sharing arrangements with the Agencies. At December 31, 2021, the maximum potential amount of future payments we could be required to make under these arrangements was $44 million and this amount was fully collateralized by assets we transferred to pledged accounts and is presented as pledged collateral in Other assets on our consolidated balance sheets. We have no recourse to any third parties that would allow us to recover any amounts related to our obligations under the arrangements. At December 31, 2021, we had not incurred any losses under these arrangements. For the years ended December 31, 2021, 2020, and 2019, other income related to these arrangements was $3 million, $4 million and $4 million, respectively, and was included in Other income on our consolidated statements of income (loss). For the years ended December 31, 2021, 2020, and 2019, we recorded net market valuation losses related to these arrangements of $0.1 million, $1 million, and $0.2 million, respectively, through Investment fair value changes, net, on our consolidated statements of income (loss). All of the loans in the reference pools subject to these risk-sharing arrangements were originated in 2014 and 2015, and at December 31, 2021, the loans had an unpaid principal balance of $552 million and a weighted average FICO score of 756 (at origination) and LTV ratio of 74% (at origination). At December 31, 2021, $18 million of the loans were 90 days or more delinquent, of which one of these loans with an unpaid principal balance of $0.2 million was in foreclosure. At December 31, 2021, the carrying value of our guarantee obligation was $7 million and included $5 million designated as a non-amortizing credit reserve, which we believe is sufficient to cover current expected losses under these obligations. Our consolidated balance sheets include assets of special purpose entities ("SPEs") associated with these risk-sharing arrangements (i.e., the "pledged collateral" referred to above) that can only be used to settle obligations of these SPEs for which the creditors of these SPEs (the Agencies) do not have recourse to us. At December 31, 2021 and 2020, assets of such SPEs totaled $34 million and $46 million, respectively, and liabilities of such SPEs totaled $7 million and $10 million, respectively. Loss Contingencies — Residential Repurchase Reserve We maintain a repurchase reserve for potential obligations arising from representation and warranty violations related to residential loans we have sold to securitization trusts or third parties and for conforming residential loans associated with MSRs that we have purchased from third parties. We do not originate residential loans and we believe the initial risk of loss due to loan repurchases (i.e., due to a breach of representations and warranties) would generally be a contingency to the companies from whom we acquired the loans. However, in some cases, for example, where loans were acquired from companies that have since become insolvent, repurchase claims may result in our being liable for a repurchase obligation. Additionally, for certain loans we sold during the second quarter of 2020 that were previously held for investment, we have a direct obligation to repurchase these loans in the event of any early payment defaults (or EPDs) by the underlying mortgage borrowers within certain specified periods following the sales. At December 31, 2021 and 2020, our repurchase reserve associated with our residential loans and MSRs was $9 million and $9 million, respectively, and was recorded in Accrued expenses and other liabilities on our consolidated balance sheets. We received 4 and 10 repurchase requests during the years ended December 31, 2021 and 2020, respectively. During the years ended December 31, 2021, 2020, and 2019, we repurchased two loans, one loan, and zero loans, respectively. During the years ended December 31, 2021, 2020, and 2019, we recorded repurchase provisions of $1 million and $4 million and reversals of repurchase provisions of $0.1 million, respectively, that were recorded in Mortgage banking activities, net and Other income on our consolidated statements of income (loss) and had charge-offs of $0.2 million, $0.1 million, and zero, respectively. Loss Contingencies — Litigation, Claims and Demands There is no significant update regarding the FHLB-Seattle or Schwab litigation matters referenced in Note 16 within the financial statements included in Redwood’s Annual Report on Form 10-K for the year ended December 31, 2021 under the heading "Loss Contingencies - Litigation." At December 31, 2021, the aggregate amount of loss contingency reserves established in respect of the FHLB-Seattle and Schwab litigation matters referenced in our Annual Report on Form 10-K for the year ended December 31, 2020 was $2 million. From time to time and in the ordinary course of business, we may submit or receive demand letters to or from counterparties relating to breaches of representations and warranties, be named in lawsuits brought by mortgage borrowers relating to foreclosure proceedings initiated by the servicers of the related mortgage loans or seeking to establish that their mortgage notes and/or mortgages are unenforceable as a matter of law due to defects in the transfer and assignment of those notes and mortgages, or be named in lawsuits brought by mortgage borrowers seeking remedies against the originator of the mortgage for fraud or defects in the originator's origination process, including defects in the disclosure of mortgage terms at the time of origination (in these cases we may be named in connection with the origination of the loan, in the case of business purpose loans we originate, or on a theory of assignee liability in the case of residential loans we acquire). Additionally, following our acquisitions of the 5 Arches and CoreVest business purpose loan origination platforms, there are litigation matters that relate to these two platforms that represent a level of litigation activity that we believe is generally consistent with the ordinary course of business of a loan originator, which has not been associated with Redwood historically. In addition to those matters, as previously disclosed, in connection with the impact of the effects of the pandemic on the non-Agency mortgage finance market and on our business and operations, a number of the counterparties that have regularly sold residential mortgage loans to us believe that we breached perceived obligations to them, and requested or demanded that we purchase loans from them and/or compensate them for perceived damages resulting from our decisions in early 2020 not to purchase certain loans from them (“Residential Loan Seller Demands”). With respect to specific lawsuits or claims arising out of or relating to Residential Seller Demands, there is no significant update regarding the matter(s) described in Note 16 within the financial statements included in Redwood's Annual Report on Form 10-K for the year ended December 31. 2020 under the heading " Loss Contingencies - Litigation, Claims and Demands ". During the year ended December 31, 2020, we recorded $10 million of expenses in association with Residential Loan Seller Demands. At December 31, 2021, the aggregate amount of our accrual for estimated costs associated with Residential Loan Seller Demands was $0.5 million, a portion of which is contingent on the successful completion of future residential loan purchase and sale transactions with certain counterparties. We believe we have either resolved or adequately accrued for any unresolved Residential Loan Seller Demands and that there are no other Residential Loan Seller Demands that are reasonably possible to result in a material loss. Our actual losses, and any accruals or reserves we may establish in the future relating to these matters, may be materially higher than the accruals and reserves we have noted above, including in the event that any of these matters proceed to trial and result in a judgment against us. We cannot be certain that any of these matters that are not already formally resolved will be resolved through a resolution or settlement and we cannot be certain that the resolution of these matters, whether through litigation, settlement, or otherwise, will not have a material adverse effect on our financial condition or results of operations in any future period. In accordance with GAAP, we review the need for any loss contingency reserves and establish reserves when, in the opinion of management, it is probable that a matter would result in a liability and the amount of loss, if any, can be reasonably estimated. Additionally, we record receivables for insurance recoveries relating to litigation-related losses and expenses if and when such amounts are covered by insurance and recovery of such losses or expenses are due. We review our litigation matters each quarter to assess these loss contingency reserves and make adjustments in these reserves, upwards or downwards, as appropriate, in accordance with GAAP based on our review. In the ordinary course of any litigation matter, including certain of the above-referenced matters, we have engaged and may continue to engage in formal or informal settlement communications with the plaintiffs or co-defendants. Settlement communications we have engaged in relating to certain of the above-referenced litigation matters are one of the factors that have resulted in our determination to establish the loss contingency reserves described above. We cannot be certain that any of these matters will be resolved through a settlement prior to litigation and we cannot be certain that the resolution of these matters, whether through trial, settlement, or otherwise, will not have a material adverse effect on our financial condition or results of operations in any future period. Future developments (including resolution of substantive pre-trial motions relating to these matters, receipt of additional information and documents relating to these matters (such as through pre-trial discovery), new or additional settlement communications with plaintiffs relating to these matters, or resolutions of similar claims against other defendants in these matters) could result in our concluding in the future to establish additional loss contingency reserves or to disclose an estimate of reasonably possible losses in excess of our established reserves with respect to these matters. Our actual losses with respect to the above referenced litigation matters may be materially higher than the aggregate amount of loss contingency reserves we have established in respect of these litigation matters, including in the event that any of these matters proceeds to trial and the plaintiff prevails. Other factors that could result in our concluding to establish additional loss contingency reserves or estimate additional reasonably possible losses, or could result in our actual losses with respect to the above-referenced litigation matters being materially higher than the aggregate amount of loss contingency reserves we have established in respect of these litigation matters include that: there are significant factual and legal issues to be resolved; information obtained or rulings made during the lawsuits could affect the methodology for calculation of the available remedies; and we may have additional obligations pursuant to indemnity agreements, representations and warranties, and other contractual provisions with other parties relating to these litigation matters that could increase our potential losses.

Equity

Equity	12 Months Ended
	Dec. 31, 2021
Equity [Abstract]
Equity	Equity The following table provides a summary of changes to accumulated other comprehensive income by component for the years ended December 31, 2021 and 2020. Table 17.1 – Changes in Accumulated Other Comprehensive Income (Loss) by Component Years Ended December 31, 2021 2020 (In Thousands) Net Unrealized Gains on Available-for-Sale Securities Net Unrealized Losses on Interest Rate Agreements Accounted for as Cash Flow Hedges Net Unrealized Gains on Available-for-Sale Securities Net Unrealized Losses on Interest Rate Agreements Accounted for as Cash Flow Hedges Balance at beginning of period $ 76,336 $ (80,557) $ 92,452 $ (50,939) Other comprehensive income (loss) 8,016 — (3,951) (32,806) Amounts reclassified from other accumulated comprehensive income (loss) (16,849) 4,127 (12,165) 3,188 Net current-period other comprehensive (loss) income (8,833) 4,127 (16,116) (29,618) Balance at End of Period $ 67,503 $ (76,430) $ 76,336 $ (80,557) The following table provides a summary of reclassifications out of accumulated other comprehensive income for the years ended December 31, 2021 and 2020. Table 17.2 – Reclassifications Out of Accumulated Other Comprehensive Income (Loss) Amount Reclassified From Affected Line Item in the Year Ended December 31, (In Thousands) Income Statement 2021 2020 Net Realized (Gain) Loss on AFS Securities (Decrease) increase in allowance for credit losses on AFS securities Investment fair value changes, net $ (388) $ 388 Gain on sale of AFS securities Realized gains, net (16,461) (12,553) $ (16,849) $ (12,165) Net Realized Loss on Interest Rate Amortization of deferred loss Interest expense $ 4,127 $ 3,188 $ 4,127 $ 3,188 Issuance of Common Stock In 2018, we established a program to sell up to an aggregate of $150 million of common stock from time to time in at-the-market ("ATM") offerings. In March 2020, we increased the maximum aggregate amount of common stock offered under the ATM program to $175 million. During the year ended December 31, 2021, we issued 1,578,554 common shares for net proceeds of approximately $20 million through ATM offerings. During the year ended December 31, 2020, we issued 129,500 common shares for net proceeds of approximately $2 million through ATM offerings. At December 31, 2021, approximately $90 million remained outstanding for future offerings under this program. Direct Stock Purchase and Dividend Reinvestment Plan During the year ended December 31, 2021, we issued 119,040 shares of common stock for net proceeds of $1 million through our Direct Stock Purchase and Dividend Reinvestment Plan. During the year ended December 31, 2021, we did not issue any shares of common stock through our Direct Stock Purchase and Dividend Reinvestment Plan. At December 31, 2021, approximately 6 million shares remained outstanding for future offerings under this plan. Earnings per Common Share The following table provides the basic and diluted earnings per common share computations for the years ended December 31, 2021, 2020, and 2019. Table 17.3 – Basic and Diluted Earnings per Common Share Years Ended December 31, (In Thousands, except Share Data) 2021 2020 2019 Basic Earnings (Loss) per Common Share: Net income (loss) attributable to Redwood $ 319,613 $ (581,847) $ 169,183 Less: Dividends and undistributed earnings allocated to participating securities (10,635) (1,990) (4,797) Net income (loss) allocated to common shareholders $ 308,978 $ (583,837) $ 164,386 Basic weighted average common shares outstanding 113,230,190 113,935,605 101,120,744 Basic Earnings (Loss) per Common Share $ 2.73 $ (5.12) $ 1.63 Diluted Earnings (Loss) per Common Share: Net income (loss) attributable to Redwood $ 319,613 $ (581,847) $ 169,183 Less: Dividends and undistributed earnings allocated to participating securities (9,880) (1,990) (5,273) Adjust for interest expense and gain on extinguishment of convertible notes for the period, net of tax 27,463 — 36,212 Net income (loss) allocated to common shareholders $ 337,196 $ (583,837) $ 200,122 Weighted average common shares outstanding 113,230,190 113,935,605 101,147,225 Net effect of dilutive equity awards 273,236 — 251,100 Net effect of assumed convertible notes conversion to common shares 28,566,875 — 35,382,269 Diluted weighted average common shares outstanding 142,070,301 113,935,605 136,780,594 Diluted Earnings (Loss) per Common Share $ 2.37 $ (5.12) $ 1.46 We included participating securities, which are certain equity awards that have non-forfeitable dividend participation rights, in the calculations of basic and diluted earnings per common share as we determined that the two-class method was more dilutive than the alternative treasury stock method for these shares. Dividends and undistributed earnings allocated to participating securities under the basic and diluted earnings per share calculations require specific shares to be included that may differ in certain circumstances. For the years ended December 31, 2021, and 2019, certain of our convertible notes were determined to be dilutive and were included in the calculation of diluted EPS under the "if-converted" method. Under this method, the periodic interest expense (net of applicable taxes) for dilutive notes is added back to the numerator and the weighted average number of shares that the notes are entitled to (if converted, regardless of whether they are in or out of the money) are included in the denominator. For the year ended December 31, 2020, 31,306,089 of common shares related to the assumed conversion of our convertible notes were antidilutive and were excluded in the calculation of diluted earnings per share. For the years ended December 31, 2021, 2020, and 2019, the number of outstanding equity awards that were antidilutive totaled 18,736, 12,622, and 10,051, respectively. Stock Repurchases In February 2018, our Board of Directors approved an authorization for the repurchase of our common stock, increasing the total amount authorized for repurchases of common stock to $100 million, and also authorized the repurchase of outstanding debt securities, including convertible and exchangeable debt. This authorization increased the previous share repurchase authorization approved in February 2016 and has no expiration date. This repurchase authorization does not obligate us to acquire any specific number of shares or securities. Under this authorization, shares or securities may be repurchased in privately negotiated and/or open market transactions, including under plans complying with Rule 10b5-1 under the Securities Exchange Act of 1934, as amended. During the year ended December 31, 2021, we did not repurchase any shares of our common stock pursuant to this authorization. During the year ended December 31, 2020, we repurchased 3,047,335 shares of our common stock pursuant to this authorization for $22 million. At December 31, 2021, $78 million of the current authorization remained available for the repurchase of shares of our common stock and we also continued to be authorized to repurchase outstanding debt securities.

Equity Compensation Plans

Equity Compensation Plans	12 Months Ended
	Dec. 31, 2021
Share-based Payment Arrangement [Abstract]
Equity Compensation Plans	Equity Compensation Plans At December 31, 2021 and 2020, 5,958,390 and 7,957,891 shares of common stock, respectively, were available for grant under our Incentive Plan. The unamortized compensation cost of awards issued under the Incentive Plan which are settled by delivery of shares of common stock and purchases under the Employee Stock Purchase Plan totaled $42 million at December 31, 2021, as shown in the following table. Table 18.1 – Activities of Equity Compensation Costs by Award Type Year Ended December 31, 2021 (In Thousands) Restricted Stock Awards Restricted Stock Units Deferred Stock Units Performance Stock Units Employee Stock Purchase Plan Total Unrecognized compensation cost at beginning of period $ 564 $ 3,540 $ 17,766 $ 5,794 $ — $ 27,664 Equity grants — 2,371 18,380 8,125 361 29,237 Performance-based valuation adjustment — — — 1,072 — 1,072 Equity grant forfeitures (2) (695) (550) — — (1,247) Equity compensation expense (478) (1,627) (9,123) (2,754) (361) (14,343) Unrecognized Compensation Cost at End of Period $ 84 $ 3,589 $ 26,473 $ 12,237 $ — $ 42,383 At December 31, 2021, the weighted average amortization period remaining for all of our equity awards was less than two years. Restricted Stock Awards ("RSAs") The following table summarizes the activities related to RSAs for the years ended December 31, 2021, 2020, and 2019. Table 18.2 – Restricted Stock Awards Activities Years Ended December 31, 2021 2020 2019 Shares Weighted Shares Weighted Shares Weighted Outstanding at beginning of period 78,998 $ 15.23 216,470 $ 14.85 334,606 $ 14.92 Granted — — — — — — Vested (50,857) 15.50 (102,615) 14.44 (118,136) 15.05 Forfeited — — (34,857) 15.16 — — Outstanding at End of Period 28,141 $ 14.74 78,998 $ 15.23 216,470 $ 14.85 The expenses recorded for RSAs were $0.5 million, $1 million, and $2 million for the years ended December 31, 2021, 2020 and 2019, respectively. As of December 31, 2021, there was less than $0.1 million of unrecognized compensation cost related to unvested RSAs. This cost will be recognized over a weighted average period of less than one year. Restrictions on shares of RSAs outstanding lapse through 2022. Restricted Stock Units ("RSUs") The following table summarizes the activities related to RSUs for the years ended December 31, 2021, 2020, and 2019. Table 18.3 – Restricted Stock Units Activities Years Ended December 31, 2021 2020 2019 Shares Weighted Shares Weighted Shares Weighted Outstanding at beginning of period 282,424 $ 16.09 275,173 $ 15.65 4,876 $ 15.38 Granted 272,261 8.80 205,482 16.86 270,297 15.66 Vested (78,270) 15.93 (68,076) 15.65 — — Forfeited (45,343) 15.75 (130,155) 16.60 — — Outstanding at End of Period 431,072 $ 11.55 282,424 $ 16.09 275,173 $ 15.65 The expenses recorded for RSUs were $2 million, $1 million, and $1 million for the years ended December 31, 2021, 2020 and 2019, respectively. As of December 31, 2021, there was $4 million of unrecognized compensation cost related to unvested RSUs. This cost will be recognized over a weighted average period of less than 2 years. Restrictions on shares of RSUs outstanding lapse through 2025. Deferred Stock Units (“DSUs”) The following table summarizes the activities related to DSUs for the years ended December 31, 2021, 2020, and 2019. Table 18.4 – Deferred Stock Units Activities Years Ended December 31, 2021 2020 2019 Units Weighted Units Weighted Units Weighted Outstanding at beginning of period 2,805,144 $ 13.84 2,630,805 $ 15.66 2,336,720 $ 15.58 Granted 1,588,862 12.04 1,186,154 10.69 733,096 16.06 Distributions (340,757) 15.82 (720,562) 14.31 (419,113) 15.96 Forfeitures (31,161) 17.65 (291,253) 16.25 (19,898) 15.96 Balance at End of Period 4,022,088 $ 12.93 2,805,144 $ 13.84 2,630,805 $ 15.66 We generally grant DSUs annually, as part of our compensation process. In addition, DSUs are granted from time to time in connection with hiring and promotions and in lieu of the payment in cash of a portion of annual bonus earned. DSUs generally vest over the course of a four-year vesting period, and are distributed after the end of the final vesting period or after an employee is terminated. At December 31, 2021 and 2020, the number of outstanding DSUs that were unvested was 2,552,186 and 1,599,019, respectively, and the weighted average grant-date fair value of these unvested DSUs was $12.07 and $13.30 at December 31, 2021 and 2020, respectively. Unvested DSUs at December 31, 2021 will vest through 2025. Expenses related to DSUs were $9 million for the year ended December 31, 2021, and were $8 million for both of the years ended December 31, 2020, and 2019, respectively. At December 31, 2021, there was $26 million of unrecognized compensation cost related to unvested DSUs. This cost will be recognized over a weighted average period of less than 2 years. Performance Stock Units (“PSUs”) At December 31, 2021 and 2020, the target number of PSUs that were unvested was 1,473,883 and 978,735, respectively. During 2021, 2020, and 2019, 518,173, 473,845, and 307,938 target number of PSUs were granted, respectively, with per unit grant date fair values of $15.68, $10.42, and $17.13, respectively. The end of the vesting period for 206,034 target PSU awards that were granted in 2018 was January 1, 2022 and failure to reach a threshold level under their performance-based vesting criteria resulted in the vesting of no shares of our common stock underlying these PSUs. During the year ended December 31, 2020, 99,175 PSUs were forfeited due to employee departures. During the years ended December 31, 2021, and 2019, there were no PSUs forfeited due to employee departures. With respect to 518,173, 473,845, and 275,831 target number of PSUs granted in December 2021, December 2020, and December 2019, respectively, and outstanding at December 31, 2021, the number of underlying shares of common stock that vest and that the recipient becomes entitled to receive at the time of vesting will generally range from 0% to 250% of the target number of PSUs granted, with the target number of PSUs granted being adjusted to reflect the value of any dividends declared on our common stock during the vesting period. Vesting of these PSUs will generally occur as of January 1, 2025 for the December 2021 awards, January 1, 2024 for the December 2020 awards, and January 1, 2023 for the December 2019 awards. Vesting criteria for these awards are based on a three-step process as described below. With respect to the December 2021 and 2020 PSU awards: • Target PSUs are divided into three equal tranches. Baseline vesting for each tranche would range from 0% - 200% of the Target PSUs in such tranche based on the level of the Company's book value total shareholder return ("bvTSR") attained over a corresponding calendar year measurement period within the three • Second, at the end of the three-year vesting period, the aggregate vesting level of the three tranches, or total baseline vesting, would then be adjusted to increase or decrease by up to 50 percentage points based on the Company's three three • Third, if the aggregate vesting level after steps one and two is greater than 100% of the Target PSUs, but the Company's absolute total shareholder return ("TSR") is negative over the three With respect to the December 2019 and December 2018 PSU awards: • First, baseline vesting would range from 0% - 200% of the target number of PSUs granted based on the level of bvTSR attained over the three-year vesting period, with 100% of the target number of PSUs vesting if three-year bvTSR is 25%. Book Value TSR is defined as the percentage by which our book value "per share price" has increased or decreased as of the last day of the three-year vesting period relative to the first day of such vesting period, adjusted to reflect the reinvestment of all dividends declared and/or paid on our common stock, compared to the bvTSR goal for the performance period. • Second, the vesting level would then be adjusted to increase or decrease by up to an additional 50 percentage points based on Redwood’s rTSR against a comparator group of companies measured over the three-year vesting period, with median rTSR performance correlating to no adjustment from the baseline level of vesting. • Third, if the vesting level after steps one and two is greater than 100% of the target number of PSUs, but absolute TSR is negative over the three-year performance period, vesting would be capped at 100% of target number of PSUs. TSR is defined as the percentage by which our common stock “per share price” has increased or decreased as of the last day of the three-year vesting period relative to the first day of such vesting period, adjusted to reflect the reinvestment of all dividends declared and/or paid on our common stock (“ Three The grant date fair value of the December 2021 PSUs of $15.68 per unit was determined through Monte-Carlo simulations using the following assumptions: the common stock closing price at the grant date for Redwood and each member of the comparator group, the average closing price of the common stock price for the 60 trading days beginning January 1, 2022 for Redwood and each member of the comparator group, and the range of performance-based vesting based on absolute TSR over three three three The grant date fair value of the December 2020 PSUs of $10.42 per unit was determined through Monte-Carlo simulations using the following assumptions: the common stock closing price at the grant date for Redwood and each member of the comparator group, the average closing price of the common stock price for the 60 trading days beginning January 1, 2021 for Redwood and each member of the comparator group, and the range of performance-based vesting based on absolute TSR over three three three The grant date fair value of the December 2019 PSUs of $17.13 per unit was determined through Monte-Carlo simulations using the following assumptions: the common stock closing price at the grant date for Redwood and each member of the comparator group, the average closing price of the common stock price for the 60 trading days prior to the grant date for Redwood and each member of the comparator group, and the range of performance-based vesting based on Absolute TSR over three years from the grant date. For the 2019 PSU grant, an implied volatility assumption of 15% (based on historical volatility), a risk-free rate of 1.68% (the three-year Treasury rate on the grant date), and a 0% dividend yield (the mathematical equivalent to reinvesting the dividends over the three-year performance period as is consistent with the terms of the PSUs) were used. The grant date fair value of the December 2018 PSUs of $17.23 per unit was determined through Monte-Carlo simulations using the following assumptions: the common stock closing price at the grant date for Redwood and each member of the comparator group, the average closing price of the common stock price for the 60 trading days prior to the grant date for Redwood and each member of the comparator group, and the range of performance-based vesting based on Absolute TSR over three years from the grant date. For the 2018 PSU grant, an implied volatility assumption of 22% (based on historical volatility), a risk-free rate of 2.78% (the three-year Treasury rate on the grant date), and a 0% dividend yield (the mathematical equivalent to reinvesting the dividends over the three-year performance period as is consistent with the terms of the PSUs) were used. In May 2018, 23,025 target number of PSUs with a per unit grant date fair value of $15.20 were granted to two executives in connection with their promotions. The grant date fair values of these PSUs were determined through Monte-Carlo simulations using the following assumptions: our common stock closing price at the grant date, the average closing price of our common stock price for the 60 trading days prior to the grant date and the range of performance-based vesting based on Three With respect to PSUs granted in May 2018, the three-year performance period ended during the second quarter of 2021, resulting in the vesting of no shares of our common stock. With respect to the PSUs granted in December 2018, the three-year performance period ended on January 1, 2022, resulting in the vesting of no shares of our common stock. With respect to PSUs granted in 2017, the three-year performance period ended during the fourth quarter of 2020, resulting in the vesting of no shares of our common stock. With respect to the PSUs granted in 2016, the three-year performance period ended during the fourth quarter of 2019, resulting in the vesting of 222,769 shares of our common stock. Expenses related to PSUs were $3 million for the year ended December 31, 2021, $0.1 million for the year ended December 31, 2020, and $3 million for the year ended December 31, 2019. As of December 31, 2021, there was $12 million of unrecognized compensation cost related to unvested PSUs. During 2021, for PSUs granted in 2020, we adjusted the future amortization expense by $1 million to reflect our current estimate of the number of shares expected to vest in relation to the performance condition for the initial one-year vesting tranche. During 2020, for PSUs granted in 2018 and 2019, we adjusted our vesting estimate to assume that none of these awards will meet the minimum performance thresholds for vesting. This adjustment resulted in a reversal of $1 million of stock-based compensation expense that had been recorded prior to 2020. Employee Stock Purchase Plan ("ESPP") The ESPP allows a maximum of 850,000 shares of common stock to be purchased in aggregate for all employees. As of December 31, 2021, 569,728 shares had been purchased, respectively, and there remained a negligible amount of uninvested employee contributions in the ESPP at December 31, 2021. The following table summarizes the activities related to the ESPP for the years ended December 31, 2021, 2020, and 2019. Table 18.5 – Employee Stock Purchase Plan Activities Years Ended December 31, (In Thousands) 2021 2020 2019 Balance at beginning of period $ 17 $ 4 $ 6 Employee purchases 595 347 524 Cost of common stock issued (605) (334) (526) Balance at End of Period $ 7 $ 17 $ 4 Executive Deferred Compensation Plan The following table summarizes the cash account activities related to the EDCP for the years ended December 31, 2021, 2020, and 2019. Table 18.6 – EDCP Cash Accounts Activities Years Ended December 31, (In Thousands) 2021 2020 2019 Balance at beginning of period $ 2,289 $ 2,454 $ 2,484 New deferrals 1,017 726 789 Accrued interest 56 42 68 Withdrawals (632) (933) (887) Balance at End of Period $ 2,730 $ 2,289 $ 2,454 In 2018, our Board of Directors approved an amendment to the EDCP to increase by 200,000 shares the shares available to allow non-employee directors to defer certain cash payments and dividends into DSUs. At December 31, 2021, there were 43,225 shares available for grant under this plan.

Mortgage Banking Activities

Mortgage Banking Activities	12 Months Ended
	Dec. 31, 2021
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]
Mortgage Banking Activities	Mortgage Banking Activities The following table presents the components of Mortgage banking activities, net, recorded in our consolidated statements of income (loss) for the years ended December 31, 2021, 2020, and 2019. Table 19.1 – Mortgage Banking Activities Years Ended December 31, (In Thousands) 2021 2020 2019 Residential Mortgage Banking Activities, Net Changes in fair value of: Residential loans, at fair value (1) $ 83,733 $ 41,284 $ 63,527 Trading securities (2) (352) (4,535) — Risk management derivatives (3) 38,352 (26,376) (17,519) Other income (expense), net (4) 5,418 (6,652) 1,735 Total residential mortgage banking activities, net 127,151 3,721 47,743 Business Purpose Mortgage Banking Activities, Net Changes in fair value of: Single-family rental loans, at fair value (1) 63,872 82,510 17,004 Risk management derivatives (3) 2,708 (21,403) 1,796 Bridge loans, at fair value 8,253 (4,998) 4,518 Other income, net (5) 33,760 18,642 16,205 Total business purpose mortgage banking activities, net 108,593 74,751 39,523 Mortgage Banking Activities, Net $ 235,744 $ 78,472 $ 87,266 (1) For residential loans, includes changes in fair value for associated loan purchase and forward sale commitments. For single-family rental loans, includes changes in fair value for associated interest rate lock commitments. (2) Represents fair value changes on trading securities that are being used along with risk management derivatives as hedges to manage the mark-to-market risks associated with our residential mortgage banking operations. (3) Represents market valuation changes of derivatives that were used to manage risks associated with our mortgage banking operations. (4) Amounts in this line item include other fee income from loan acquisitions, provisions for repurchase expense, and expenses related to resolving residential loan seller demands, presented net. (5) Amounts in this line item include other fee income from loan originations.

Other Income

Other Income	12 Months Ended
	Dec. 31, 2021
Other Income and Expenses [Abstract]
Other Income	Other Income The following table presents the components of Other income recorded in our consolidated statements of income (loss) for the years ended December 31, 2021, 2020 and 2019. Table 20.1 – Other Income Years Ended December 31, (In Thousands) 2021 2020 2019 MSR income (loss), net $ 2,380 $ (9,694) $ 3,521 Risk share income 2,815 4,367 3,522 FHLBC capital stock dividend 53 1,229 2,169 Bridge Loan Fees 4,194 3,812 1,451 BPL loan administration fee income 184 2,912 4,400 Gain on re-measurement of investment in 5 Arches — — 2,441 Other 2,392 1,562 1,753 Other Income $ 12,018 $ 4,188 $ 19,257

General and Administrative Expe

General and Administrative Expenses, Loan Acquisition Costs, and Other Expenses	12 Months Ended
	Dec. 31, 2021
Other Income and Expenses [Abstract]
General and Administrative Expenses, Loan Acquisition Costs, and Other Expenses	General and Administrative Expenses, Loan Acquisition Costs, and Other Expenses Components of our general and administrative expenses, loan acquisition costs, and other expenses for the years ended December 31, 2021, 2020 and 2019 are presented in the following table. Table 21.1 – Components of General and Administrative Expenses, Loan Acquisition Costs, and Other Expenses Years Ended December 31, (In Thousands) 2021 2020 2019 General and Administrative Expenses Fixed compensation expense $ 46,328 $ 46,689 $ 39,639 Annual variable compensation expense 58,569 14,116 21,728 Long-term incentive award expense (1) 19,938 12,439 13,402 Acquisition-related equity compensation expense (2) 3,813 4,848 1,010 Systems and consulting 14,445 11,728 10,746 Office costs 7,837 7,794 6,310 Accounting and legal 4,975 7,928 5,450 Corporate costs 3,388 2,829 2,351 Other 11,566 6,833 8,101 Total General and Administrative Expenses 170,859 115,204 108,737 Loan Acquisition Costs Commissions 7,116 4,321 3,833 Underwriting costs 7,762 4,945 4,767 Transfer and holding costs 1,458 1,757 1,335 Total Loan Acquisition Costs 16,336 11,023 9,935 Other Expenses Goodwill impairment expense — 88,675 — Amortization of purchase-related intangible assets 15,304 15,925 8,696 Contingent consideration expense (3) — — 3,218 Other 1,391 4,185 1,108 Total Other Expenses 16,695 108,785 13,022 Total General and Administrative Expenses, Loan Acquisition Costs, and Other Expenses $ 203,890 $ 235,012 $ 131,694 (1) For the years ended December 31, 2021 and 2020, long-term incentive award expense includes $14 million and $10 million, respectively, of expense for awards settleable in shares of our common stock and $6 million and $2 million, respectively, of expense for awards settleable in cash. (2) Acquisition-related equity compensation expense relates to 588,260 shares of restricted stock that were issued to members of CoreVest management as a component of the consideration paid to them for our purchase of their interests in CoreVest in 2019. The grant date fair value of these restricted stock awards was $10 million, which was recognized as compensation expense over the two-year vesting period on a straight-line basis in accordance with GAAP. (3) Contingent consideration expense relates to the acquisition of 5 Arches during 2019. Refer to Note 2 for additional detail. Long Term Cash-Based Awards During the years ended December 31, 2021 and 2020, $1 million and $8 million of long-term cash-based retention awards were granted to certain executive and non-executive employees that will vest and be paid over a three The value of long-term cash-based awards is being amortized into expense on a straight-line basis over each award's respective vesting period. The Cash Performance Awards are amortized on a straight-line basis over three years; however, they are remeasured at fair value each quarter-end and the cumulative straight-line expense is trued-up in respect to their updated value. For the years ended December 31, 2021 and 2020, General and administrative expenses included $3 million and $5 million of aggregate expense, respectively, related to long-term cash-based awards and the Cash Performance awards. Cash-Settled Deferred Stock Units During the years ended December 31, 2021 and 2020, $4 million and $2 million of cash-settled deferred stock units were granted to certain executive officers and non-executive employees that will vest over the next four years through 2025 and 2024, respectively. These 2021 and 2020 awards will be fully vested and payable in cash with a vested award value based on the closing market price of our common stock on the final vesting date in December 2025 and December 2024, respectively. These awards are classified as a liability in Accrued expenses and other liabilities on our consolidated balance sheets, and will be amortized over the vesting period on a straight-line basis, adjusted for changes in the value of our common stock at the end of each reporting period. For the years ended December 31, 2021 and 2020, we recognized an expense of $2 million and less than $0.1 million, respectively, for cash-settled deferred stock units in "Long-term incentive award expense," as presented in Table 21.1 above.

Taxes

Taxes	12 Months Ended
	Dec. 31, 2021
Income Tax Disclosure [Abstract]
Taxes	Taxes Components of our net deferred tax assets at December 31, 2021 and 2020 are presented in the following table. Table 22.1 – Deferred Tax Assets (Liabilities) (In Thousands) December 31, 2021 December 31, 2020 Deferred Tax Assets Net operating loss carryforward – state $ 98,011 $ 103,334 Net capital loss carryforward – state 18,082 23,487 Net operating loss carryforward – federal 82 82 Real estate assets 1,347 2,948 Allowances and accruals 3,528 3,324 Goodwill and intangible assets 24,973 23,231 Other 3,016 1,914 Tax effect of unrealized (gains) / losses - OCI (21) 124 Total Deferred Tax Assets 149,018 158,444 Deferred Tax Liabilities Mortgage Servicing Rights (3,617) (2,458) Interest rate agreements (3,324) (3,867) Total Deferred Tax Liabilities (6,941) (6,325) Valuation allowance (121,210) (151,248) Total Deferred Tax Asset (Liability), net of Valuation Allowance $ 20,867 $ 871 The deferred tax assets and liabilities reported above, with the exception of the state net operating loss ("NOL") and capital loss carryforwards, relate solely to our TRS. For state purposes, the REIT files a unitary combined return with its TRS. Because the REIT may have state taxable income apportioned to it from the activity of its TRS, we report the entire combined unitary state NOL and capital loss carryforwards as deferred tax assets, including the carryforwards allocated to the REIT. Realization of our deferred tax assets ("DTAs") at December 31, 2021, is dependent on many factors, including generating sufficient taxable income prior to the expiration of NOL carryforwards and generating sufficient capital gains in future periods prior to the expiration of capital loss carryforwards. We determine the extent to which realization of the deferred assets is not assured and establish a valuation allowance accordingly. For the year ended December 31, 2021, we reassessed the valuation allowance on our deferred tax assets ("DTAs") noting an increase in positive evidence related to our ability to utilize certain DTAs. The positive evidence includes significant revenue growth in recent quarters and expectations regarding future profitability at our TRS. After assessing both the positive and negative evidence, we determined it was more likely than not that we will realize all of our federal DTAs. Therefore, we reversed our federal valuation allowance of $17 million as a discrete benefit in the third quarter of 2021. In addition to the federal valuation allowance release, we determined it was more likely than not that we will realize a portion of our state DTAs and, as such, reversed $3 million of state valuation allowance as a discrete item in the third quarter of 2021. Consistent with prior periods, we continued to maintain a valuation allowance against the majority of our net state DTAs as we remained uncertain about our ability to generate sufficient income in future periods needed to utilize net state DTAs beyond the reversal of our state DTLs. We reported net federal ordinary and capital DTAs at December 31, 2020, and as a result of GAAP losses at our TRS in 2020, a valuation allowance was recorded against our net federal ordinary DTAs. However, no valuation allowance was recorded against our net federal capital DTAs as we expected to utilize these DTAs due to our ability to recognize capital losses and carry them back to prior years. Consistent with prior periods, at December 31, 2020, we maintained a valuation allowance against our net state DTAs as we remained uncertain about our ability to generate sufficient income in future periods needed to utilize net state DTAs beyond the reversal of our state DTLs. Our estimate of net deferred tax assets could change in future periods to the extent that actual or revised estimates of future taxable income during the carryforward periods change from current expectations. We assessed our tax positions for all open tax years (i.e., Federal, 2018 to 2021, and State, 2017 to 2021) and, at December 31, 2021 and 2020, concluded that we had no uncertain tax positions that resulted in material unrecognized tax benefits. At December 31, 2021, our federal NOL carryforward at the REIT was $37 million, of which $29 million will expire in 2029 and $9 million will carry forward indefinitely. In order to utilize NOLs at the REIT, taxable income must exceed dividend distributions. At December 31, 2021, our taxable REIT subsidiaries had $0.4 million of federal NOLs, of which $0.2 million will expire beginning in 2035 and $0.2 million will carry forward indefinitely. Redwood and its taxable REIT subsidiaries accumulated an estimated state NOL of $1.14 billion at December 31, 2021. These NOLs expire beginning in 2032. If certain substantial changes in the Company’s ownership occur, there could be an annual limitation on the amount of the carryforwards that can be utilized. The following table summarizes the provision for income taxes for the years ended December 31, 2021, 2020, and 2019. Table 22.2 – Provision for Income Taxes Years Ended December 31, (In Thousands) 2021 2020 2019 Current Provision for Income Taxes Federal $ 28,718 $ 1,598 $ 12,036 State 9,859 (182) 897 Total Current Provision for Income Taxes 38,577 1,416 12,933 Deferred (Benefit) Provision for Income Taxes Federal (17,172) (6,024) (3,976) State (2,927) — (1,517) Total Deferred (Benefit) Provision for Income Taxes (20,099) (6,024) (5,493) Total Provision (Benefit From) for Income Taxes $ 18,478 $ (4,608) $ 7,440 The following is a reconciliation of the statutory federal and state tax rates to our effective tax rate at December 31, 2021, 2020, and 2019. Table 22.3 – Reconciliation of Statutory Tax Rate to Effective Tax Rate December 31, 2021 December 31, 2020 December 31, 2019 Federal statutory rate 21.0 % 21.0 % 21.0 % State statutory rate, net of Federal tax effect 8.6 % 8.6 % 8.6 % Differences in taxable (loss) income from GAAP income (8.0) % (19.6) % (2.1) % Change in valuation allowance (8.9) % (9.2) % (2.2) % Dividends paid deduction (1) (7.2) % — % (21.1) % Effective Tax Rate 5.5 % 0.8 % 4.2 % (1) The dividends paid deduction in the effective tax rate reconciliation is generally representative of the amount of distributions to shareholders that reduce REIT taxable income. For the year ended December 31, 2020, the dividends paid deduction is 0% due to our REIT incurring a taxable loss during the period; therefore, there was no REIT taxable income available to apply against the dividends paid.

Segment Information

Segment Information	12 Months Ended
	Dec. 31, 2021
Segment Reporting [Abstract]
Segment Information	Segment Information Redwood operates in three segments: Residential Mortgage Banking, Business Purpose Mortgage Banking and Investment Portfolio. During the fourth quarter of 2021 we re-organized our segments to conform with changes in how we manage and evaluate our operations, moving all retained investments previously held in our Residential Lending and Business Purpose Lending segments to a newly-created Investment Portfolio Segment, where they are now combined with our third-party portfolio investments. Our mortgage banking activities are now reflected in standalone Residential Mortgage Banking and Business Purpose Mortgage Banking segments. We conformed the presentation of prior periods. The accounting policies of the reportable segments are the same as those described in Note 3 — Summary of Significant Accounting Policies. For a full description of our segments, see Item 1—Business in this Annual Report on Form 10-K. Segment contribution represents the measure of profit that management uses to assess the performance of our business segments and make resource allocation and operating decisions. Certain corporate expenses not directly assigned or allocated to one of our three segments, as well as activity from certain consolidated Sequoia entities, are included in the Corporate/Other column as reconciling items to our consolidated financial statements. These unallocated corporate expenses primarily include interest expense for our convertible notes and trust preferred securities (and in 2020, realized gains from the repurchase of convertible notes), indirect general and administrative expenses and other expense. The following tables present financial information by segment for the years ended December 31, 2021, 2020, and 2019. Table 23.1 – Business Segment Financial Information Year Ended December 31, 2021 (In Thousands) Residential Mortgage Banking Business Purpose Mortgage Banking Investment Portfolio Corporate/ Total Interest income $ 48,953 $ 14,054 $ 507,173 $ 4,746 $ 574,926 Interest expense (26,963) (7,230) (351,635) (40,921) (426,749) Net interest income 21,990 6,824 155,538 (36,175) 148,177 Non-interest income Mortgage banking activities, net 127,151 108,593 — — 235,744 Investment fair value changes, net — — 129,614 (1,565) 128,049 Other income, net — 1,046 10,021 951 12,018 Realized gains, net — — 17,993 — 17,993 Total non-interest income, net 127,151 109,639 157,628 (614) 393,804 General and administrative expenses (33,574) (46,586) (13,633) (77,066) (170,859) Loan acquisition costs (7,480) (8,100) (752) (4) (16,336) Other expenses 104 (15,127) (1,689) 17 (16,695) (Provision for) benefit from income taxes (25,777) (8,122) (3,862) 19,283 (18,478) Segment Contribution $ 82,414 $ 38,528 $ 293,230 $ (94,559) Net Income $ 319,613 Non-cash amortization (expense) income, net $ (82) $ (16,452) $ (20,781) $ (7,878) $ (45,193) Year Ended December 31, 2020 (In Thousands) Residential Mortgage Banking Business Purpose Mortgage Banking Investment Portfolio Corporate/ Total Interest income $ 17,839 $ 19,200 $ 525,741 $ 9,136 $ 571,916 Interest expense (11,978) (13,145) (375,262) (47,620) (448,005) Net interest income 5,861 6,055 150,479 (38,484) 123,911 Non-interest income Mortgage banking activities, net 3,721 74,622 129 — 78,472 Investment fair value changes, net — (101) (586,333) (2,004) (588,438) Other income, net — 3,228 (1,725) 2,685 4,188 Realized gains, net — — 5,242 25,182 30,424 Total non-interest income (loss), net 3,721 77,749 (582,687) 25,863 (475,354) General and administrative expenses (16,297) (37,460) (8,547) (52,900) (115,204) Loan acquisition costs (2,727) (5,860) (2,426) (10) (11,023) Other expenses (4,114) (104,147) 194 (718) (108,785) Benefit from (provision for) income taxes 4,567 (4,063) 4,104 — 4,608 Segment Contribution $ (8,989) $ (67,726) $ (438,883) $ (66,249) Net Loss $ (581,847) Non-cash amortization income (expense), net $ (662) $ (18,426) $ (1,282) $ (4,954) $ (25,324) Other significant non-cash expense: goodwill impairment $ — $ (88,675) $ — $ — $ (88,675) Year Ended December 31, 2019 (In Thousands) Residential Mortgage Banking Business Purpose Mortgage Banking Investment Portfolio Corporate/ Total Interest income $ 40,901 $ 8,212 $ 555,519 $ 17,649 $ 622,281 Interest expense (21,503) (4,972) (390,188) (63,145) (479,808) Net interest income 19,398 3,240 165,331 (45,496) 142,473 Non-interest income Mortgage banking activities, net 47,743 39,523 — — 87,266 Investment fair value changes, net (1) (175) 37,293 (1,617) 35,500 Other income, net — 5,139 11,407 2,711 19,257 Realized gains, net — — 23,821 — 23,821 Total non-interest income, net 47,742 44,487 72,521 1,094 165,844 General and administrative expenses (21,724) (24,832) (9,313) (52,868) (108,737) Loan acquisition costs (3,954) (4,226) (1,618) (137) (9,935) Other expense — (8,521) (1,106) (3,395) (13,022) Provision for income taxes (4,074) (947) (2,419) — (7,440) Segment Contribution $ 37,388 $ 9,201 $ 223,396 $ (100,802) Net Income $ 169,183 Non-cash amortization income (expense), net $ (97) $ (8,896) $ 10,445 $ (4,813) $ (3,361) The following table presents the components of Corporate/Other for the years ended December 31, 2021, 2020, and 2019. Table 23.2 – Components of Corporate/Other Years Ended December 31, 2021 2020 2019 (In Thousands) Legacy Consolidated VIEs (1) Other Total Legacy Consolidated VIEs (1) Other Total Legacy Consolidated VIEs (1) Other Total Interest income $ 4,709 $ 37 $ 4,746 $ 9,060 $ 76 $ 9,136 $ 17,649 $ — $ 17,649 Interest expense (3,040) (37,881) (40,921) (5,945) (41,675) (47,620) (14,418) (48,727) (63,145) Net interest income (loss) 1,669 (37,844) (36,175) 3,115 (41,599) (38,484) 3,231 (48,727) (45,496) Non-interest income Investment fair value changes, net (1,558) (7) (1,565) (1,512) (492) (2,004) (1,545) (72) (1,617) Other income, net — 951 951 — 2,685 2,685 — 2,711 2,711 Realized gains, net — — — — 25,182 25,182 — — — Total non-interest (loss) income, net (1,558) 944 (614) (1,512) 27,375 25,863 (1,545) 2,639 1,094 General and administrative expenses — (77,066) (77,066) — (52,900) (52,900) — (52,868) (52,868) Loan acquisition costs — (4) (4) — (10) (10) — (137) (137) Other expenses — 17 17 — (718) (718) — (3,395) (3,395) Benefit from income taxes — 19,283 19,283 — — — — — — Total $ 111 $ (94,670) $ (94,559) $ 1,603 $ (67,852) $ (66,249) $ 1,686 $ (102,488) $ (100,802) (1) Legacy consolidated VIEs represent Legacy Sequoia entities that are consolidated for GAAP financial reporting purposes. See Note 4 for further discussion on VIEs. The following table presents supplemental information by segment at December 31, 2021 and 2020. Table 23.3 – Supplemental Segment Information (In Thousands) Residential Mortgage Banking Business Purpose Mortgage Banking Investment Portfolio Corporate/ Total December 31, 2021 Residential loans $ 1,673,235 $ — $ 5,688,742 $ 230,455 $ 7,592,432 Business purpose loans — 347,860 4,443,129 — 4,790,989 Multifamily loans — — 473,514 — 473,514 Real estate securities 4,927 — 372,484 — 377,411 Other investments — — 606,267 35,702 641,969 Intangible assets — 41,561 — — 41,561 Total assets 1,716,285 464,967 11,770,486 755,206 14,706,944 December 31, 2020 Residential loans $ 176,641 $ — $ 3,786,475 $ 285,935 $ 4,249,051 Business purpose loans — 245,394 3,890,959 — 4,136,353 Multifamily loans — — 492,221 — 492,221 Real estate securities 5,279 — 338,846 — 344,125 Other investments — — 343,724 4,451 348,175 Intangible assets — 56,865 — — 56,865 Total assets 242,060 328,564 8,970,633 813,809 10,355,066

Subsequent Events

Subsequent Events	12 Months Ended
	Dec. 31, 2021
Subsequent Events [Abstract]
Subsequent Events	Subsequent EventsIn January 2022, we issued 5,232,869 common shares for net proceeds of approximately $67 million through ATM offerings. At February 25, 2022, approximately $22 million remained outstanding for future offerings under this program.

Schedule IV - Mortgage Loans On

Schedule IV - Mortgage Loans On Real Estate	12 Months Ended
	Dec. 31, 2021
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Abstract]
Schedule IV - Mortgage Loans On Real Estate	(In Thousands) Description Number of Interest Maturity Carrying Amount Principal Amount Subject to Delinquent Principal or Interest Residential Loans Held-for-Investment At Legacy Sequoia (1) : ARM loans 1,574 0.25 % to 5.63% 2022-01 - 2036-03 $ 227,302 $ 7,482 Hybrid ARM loans 9 2.50 % to 2.63% 2033-07 - 2034-03 3,153 — At Sequoia (1) : Hybrid ARM loans 28 3.13 % to 6.75% 2044-04 - 2050-01 21,855 — Fixed loans 4,272 1.88 % to 6.75% 2029-04 - 2051-12 3,606,610 15,124 At Freddie Mac SLST (2) : Fixed loans 11,986 2.00 % to 11.00% 2021-12 - 2061-10 1,888,230 212,961 Total Residential Loans Held-for-Investment $ 5,747,150 $ 235,567 Residential Loans Held-for-Sale (3) : Hybrid ARM loans 57 1.88 % to 4.00% 2032-11 - 2052-01 $ 52,532 $ — Fixed loans 2,139 2.50 % to 5.88% 2026-04 - 2052-01 1,792,750 2,923 Total Residential Loans Held-for-Sale $ 1,845,282 $ 2,923 Single-Family Rental Loans Held-for-Sale (3) : Fixed loans 245 3.38 % to 7.75% 2020-01 - 2052-01 $ 358,309 $ 5,384 Total Single-Family Rental Loans Held-for-Sale $ 358,309 $ 5,384 Single-Family Rental Loans Held-for-Investment: At CAFL (1) : Fixed loans 1,173 3.81 % to 7.57% 2022-02 - 2031-10 $ 3,488,074 $ 41,998 Total Single-Family Rental Loans Held-for-Investment $ 3,488,074 $ 41,998 Residential Bridge Loans Held-for-Investment (4) : Fixed loans 187 5.45 % to 12.00% 2019-08 - 2023-11 $ 91,580 $ 17,115 Floating ARM loans 947 4.25 % to 10.00% 2019-08 - 2024-12 $ 574,784 $ 916 Total Residential Bridge Loans Held-for-Investment $ 666,364 $ 18,031 Residential Bridge Loans Held-for-Investment at CAFL: Fixed loans 920 5.45 % to 10.65% 2022-01 - 2023-11 $ 137,671 $ — Floating ARM loans 720 5.75 % to 10.50% 2021-10 - 2023-12 $ 140,571 $ — Total Residential Bridge Loans Held-for-Investment at CAFL $ 278,242 $ — Multifamily Loans Held-for-Investment (2) : At Freddie Mac K-Series: Fixed loans 28 4.25 % to 4.25% 2025-09 - 2025-09 $ 473,514 $ — Total Multifamily Loans Held-for-Investment $ 473,514 $ — (1) For our held-for-investment loans at consolidated Legacy Sequoia, Sequoia, and CAFL entities, the aggregate tax basis for Federal income tax purposes at December 31, 2021 was zero, as the transfers of these loans into securitizations were treated as sales for tax purposes. (2) Our held-for-investment loans at Freddie Mac SLST and Freddie Mac K-Series entities were consolidated for GAAP purposes. For tax purposes, we acquired real estate securities issued by these entities and therefore, the tax basis in these loans was zero at December 31, 2021. (3) The aggregate tax basis for Federal income tax purposes of our mortgage loans held at Redwood approximates the carrying values, as disclosed in the schedule. (4) For our held-for-investment bridge loans at Redwood, the aggregate tax basis for Federal income tax purposes at December 31, 2021 was $950 million. The following table summarizes the changes in the carrying amount of mortgage loans on real estate during the years ended December 31, 2021, 2020, and 2019. Years Ended December 31, (In Thousands) 2021 2020 2019 Balance at beginning of period $ 8,877,626 $ 15,630,117 $ 9,540,598 Additions during period: Originations/acquisitions 15,427,382 5,914,728 12,911,261 Deductions during period: Sales (8,660,440) (6,398,690) (5,218,797) Principal repayments (2,675,859) (2,313,143) (1,851,278) Transfers to REO (40,038) (14,104) (7,552) Deconsolidation adjustments — (3,849,779) — Changes in fair value, net (71,737) (91,503) 255,885 Balance at end of period $ 12,856,934 $ 8,877,626 $ 15,630,117

Summary of Significant Accoun_2

Summary of Significant Accounting Policies (Policies)	12 Months Ended
	Dec. 31, 2021
Accounting Policies [Abstract]
Basis of Presentation	The consolidated financial statements presented herein are at December 31, 2021 and 2020, and for the years ended December 31, 2021, 2020, and 2019. These consolidated financial statements have been prepared in accordance with U.S. generally accepted accounting principles ("GAAP") — as prescribed by the Financial Accounting Standards Board’s (“FASB”) Accounting Standards Codification (“ASC”) — and the rules and regulations of the Securities and Exchange Commission ("SEC"). In the opinion of management, all normal and recurring adjustments to present fairly the financial condition of the Company at December 31, 2021 and 2020, and results of operations for all periods presented have been made.
Principles of Consolidation	In accordance with GAAP, we determine whether we must consolidate transferred financial assets and variable interest entities (“VIEs”) for financial reporting purposes. We currently consolidate the assets and liabilities of certain Sequoia securitization entities issued prior to 2012 ("Legacy Sequoia"), certain entities formed during and after 2012 in connection with the securitization of Redwood Select prime loans and Redwood Choice expanded-prime loans ("Sequoia"), entities formed in connection with the securitization of CoreVest single-family rental and bridge loans ("CAFL"), and beginning in the third quarter of 2021, an entity ("Point HEI") formed in connection with the securitization of home equity investment contracts ("HEIs"). We also consolidate the assets and liabilities of certain Freddie Mac K-Series and Freddie Mac Seasoned Loans Structured Transaction ("SLST") securitizations in which we have invested. Each securitization entity is independent of Redwood and of each other and the assets and liabilities are not owned by and are not legal obligations of Redwood Trust, Inc. Our exposure to these entities is primarily through the financial interests we have purchased or retained, although for certain entities we are exposed to financial risks associated with our role as a sponsor or co-sponsor, servicing administrator, collateral administrator or depositor of these entities or as a result of our having sold assets directly or indirectly to these entities. For financial reporting purposes, the underlying loans owned at the consolidated Legacy Sequoia, Sequoia and Freddie Mac SLST entities are shown under Residential loans held-for-investment, at fair value, the underlying loans at the consolidated Freddie Mac K-Series entity are shown under Multifamily loans held-for-investment, at fair value, the underlying single-family rental and bridge loans at the consolidated CAFL entities are shown under Business purpose loans held-for-investment, at fair value, and the underlying HEIs at the consolidated Point HEI entity are shown under Other investments, at fair value on our consolidated balance sheets. The asset-backed securities (“ABS”) issued to third parties by these entities are shown under ABS issued. In our consolidated statements of income (loss), we recorded interest income on the loans owned at these entities and interest expense on the ABS issued by these entities as well as fair value changes, other income and expenses associated with these entities' activities.
Use of Estimates	The preparation of financial statements requires us to make a number of significant estimates. These include estimates of fair value of certain assets and liabilities, amounts and timing of credit losses, prepayment rates, and other estimates that affect the reported amounts of certain assets and liabilities as of the date of the consolidated financial statements and the reported amounts of certain revenues and expenses during the reported periods. It is likely that changes in these estimates (e.g., valuation changes due to supply and demand, credit performance, prepayments, interest rates, or other reasons) will occur in the near term. Our estimates are inherently subjective in nature and actual results could differ from our estimates and the differences could be material.
Business Combinations	We use the acquisition method of accounting for business combinations, under which the purchase price is allocated to the fair values of the assets acquired and liabilities assumed at the acquisition date. The excess of the purchase price over the amount allocated to the assets acquired and liabilities assumed is recorded as goodwill. Acquisition-related costs are expensed as incurred.
Fair Value Measurements	Our consolidated financial statements include assets and liabilities that are measured at their estimated fair values in accordance with GAAP. A fair value measurement represents the price at which an orderly transaction would occur between willing market participants at the measurement date. We develop fair values for financial assets or liabilities based on available inputs and pricing that is observed in the marketplace. After considering all available indications of the appropriate rate of return that market participants would require, we consider the reasonableness of the range indicated by the results to determine an estimate that is most representative of fair value. The markets for many of the assets that we invest in and issue are generally illiquid. Establishing fair values for illiquid assets and liabilities is inherently subjective and is often dependent upon our estimates and modeling assumptions. If we determine that either the volume and/or level of trading activity for an asset or liability has significantly decreased from normal market conditions, or price quotations or observable inputs are not associated with orderly transactions, the market inputs that we obtain might not be relevant. For example, broker or pricing service quotes might not be relevant if an active market does not exist for the financial asset or liability. The nature of the quote (for example, whether the quote is an indicative price or a binding offer) is also evaluated.
Fair Value Option	We have the option to measure eligible financial assets, financial liabilities, and commitments at fair value on an instrument-by-instrument basis. This option is available when we first recognize a financial asset or financial liability or enter into a firm commitment. Subsequent changes in the fair value of assets, liabilities, and commitments where we have elected the fair value option are recorded in our consolidated statements of income (loss). We elect the fair value option for certain residential loans, business purpose loans, interest-only (“IO”) and certain subordinate securities, MSRs, servicer advance investments, excess MSRs, and certain of our other investments. We generally elect the fair value option for residential and single-family rental loans that are held-for-sale, due to our intent to sell or securitize the loans in the near-term. We elect the fair value option for our IO and certain subordinate securities, and MSRs, for which we may hedge market interest rate risk. In addition, we elect the fair value option for the assets and liabilities of our consolidated Sequoia, Freddie Mac SLST, Freddie Mac K-Series, CAFL SFR, and Point HEI entities in accordance with GAAP accounting for collateralized financing entities ("CFEs").
Real Estate Loans	Residential Loans - Held-for-Sale at Fair Value Residential loans held-for-sale include loans that we are marketing for sale to third parties, including transfers to securitization entities that we plan to sponsor. We generally elect the fair value option for residential loans that we purchase with the intent to sell to third parties or transfer to Sequoia securitizations. Coupon interest is recognized as revenue when earned and deemed collectible or until a loan becomes more than 90 days past due, at which point the loan is placed on nonaccrual status and any accrued interest is reversed against interest income. When a seriously delinquent loan previously placed on nonaccrual status has cured, meaning all delinquent principal and interest have been remitted by the borrower, the loan is placed back on accrual status. Changes in fair value for these loans are recurring and are reported through our consolidated statements of income (loss) in Mortgage banking activities, net. Residential Loans - Held-for-Investment At Fair Value Certain loans that were originally purchased with the intent to sell as part of our residential mortgage banking operations, and for which we elected the fair value option at acquisition, were subsequently reclassified to held-for-investment ("HFI"). Coupon interest is recognized as revenue when earned and deemed collectible or until a loan becomes more than 90 days past due, at which point the loan is placed on nonaccrual status and any accrued interest is reversed against interest income. When a seriously delinquent loan previously placed on nonaccrual status has cured, meaning all delinquent principal and interest have been remitted by the borrower, the loan is placed back on accrual status. During 2020, we completed the sale of all of our residential loans previously held for investment at Redwood and had no residential loans held-for-investment at Redwood at December 31, 2021 and 2020. In addition, we record residential loans held at consolidated Sequoia and Freddie Mac SLST entities at fair value. In accordance with accounting guidance for CFEs, we use the fair value of the ABS issued by these entities (which we determined to be more observable) to determine the fair value of the loans held at these entities. Coupon interest for these loans is recognized as revenue when earned and deemed collectible. Changes in fair value for these loans are recurring and are reported through our consolidated statements of income (loss) in Investment fair value changes, net. Business Purpose Loans - Held-for-Sale at Fair Value We originate or purchase business purpose loans, including single-family rental loans through our business purpose lending platform. Single-family rental loans are mortgage loans secured by residential real estate (primarily 1-4 unit) that the borrower owns as an investment property and rents to residential tenants. We classify single-family rental loans as held-for-sale at fair value when we originate these loans with the intent to transfer to securitization entities or sell to third parties. Coupon interest for these loans is recognized as revenue when earned and deemed collectible or until a loan becomes more than 90 days past due, at which point the loan is placed on nonaccrual status and any accrued interest is reversed against interest income. When a seriously delinquent loan previously placed on nonaccrual status has cured, meaning all delinquent principal and interest have been remitted by the borrower, the loan is placed back on accrual status. Changes in fair value are recurring and reported through our consolidated statements of income (loss) in Mortgage banking activities, net. Business Purpose Loans - Held-for-Investment at Fair Value We also originate or purchase bridge loans through our business purpose lending platform. Business purpose bridge loans are mortgage loans generally secured by unoccupied residential or small-balance multifamily real estate that the borrower owns as an investment and that is being renovated, rehabilitated or constructed. Bridge loans are classified as held-for-investment at fair value if we intend to hold these loans to maturity. Coupon interest for these loans is recognized as revenue when earned and deemed collectible or until a loan becomes more than 90 days past due, at which point the loan is placed on nonaccrual status and any accrued interest is reversed against interest income. When a seriously delinquent loan previously placed on nonaccrual status has cured, meaning all delinquent principal and interest have been remitted by the borrower, the loan is placed back on accrual status. Changes in fair value for these loans are recurring and are reported through our consolidated statements of income (loss) in Investment fair value changes, net. In addition, we record loans held at consolidated CAFL SFR entities at fair value. In accordance with accounting guidance for CFEs, we use the fair value of the ABS issued by these entities (which we determined to be more observable) to determine the fair value of the loans held at these entities. Coupon interest for these loans is recognized as revenue based on amounts expected to be paid to the securities issued by these entities. Changes in fair value for these loans and related ABS are recurring and are reported through our consolidated statements of income (loss) in Investment fair value changes, net. Multifamily Loans, Held-for-Investment at Fair Value Multifamily loans are mortgage loans secured by multifamily properties, held in a Freddie Mac-sponsored K-series securitization trust that we consolidate. In accordance with accounting guidance for CFEs, we use the fair value of the ABS issued by the Freddie Mac K-Series entity (which we determined to be more observable) to determine the fair value of the loans. Coupon interest for these loans is recognized as revenue based on amounts expected to be paid to the securities issued by this entity. Changes in fair value for the loans and related ABS are recurring and are reported through our consolidated statements of income (loss) in Investment fair value changes, net. Repurchase Reserves We sell and have sold residential and business purpose mortgage loans to various parties, including (1) securitization trusts, and (2) banks and other financial institutions that purchase mortgage loans for investment or private label securitization. We may be required to repurchase mortgage loans we have sold, or loans associated with MSRs we have purchased, in the event of a breach of specified contractual representations and warranties made in connection with these sales and purchases. Additionally, we generally have a direct obligation to repurchase residential whole loans we sell in the event of any early payment defaults (or EPDs) by the underlying mortgage borrowers within certain specified periods following the sales. We do not originate residential mortgage loans and believe the initial risk of loss due to loan repurchases (i.e., due to a breach of representations and warranties) would generally be a contingency to the companies from whom we acquired the loans or MSRs. However, in some cases, such as where loans or MSRs were acquired from companies that have since become insolvent, we may have to bear the loss associated with a loan repurchase. Furthermore, even if we do not have to ultimately bear such a loss because we can recover from the company that sold us the loan or the MSR, there could be a delay in making that recovery.
Real Estate Securities, at Fair Value	Our securities primarily consist of mortgage-backed securities (“MBS”) collateralized by residential loans, re-performing loans ("RPL") and multifamily mortgage loans. We classify our real estate securities as trading or available-for-sale securities. Trading Securities We primarily denote trading securities as those securities where we have adopted the fair value option. Trading securities are carried at their estimated fair values. Coupon interest is recognized as interest income when earned and deemed collectible. Changes in the fair value of securities designated as trading securities are reported in Investment fair value changes, net on our consolidated statements of income (loss). Available-for-Sale Securities AFS securities are carried at their estimated fair value with unrealized gains and losses excluded from earnings (except when an allowance for credit losses is recognized, as discussed below) and reported in Accumulated other comprehensive income (loss) (“AOCI”), a component of stockholders’ equity. Interest income on AFS securities is accrued based on their outstanding principal balance and contractual terms and interest income is recognized based on the security’s effective interest rate. In order to calculate the effective interest rate, we must project cash flows over the remaining life of each security and make assumptions with regards to interest rates, prepayment rates, the timing and amount of credit losses, estimated call dates and other factors. On at least a quarterly basis, we review and, if appropriate, make adjustments to our cash flow projections based on input and analysis received from external sources, internal models, and our own judgments about interest rates, prepayment rates, the timing and amount of credit losses, and other factors. Changes in cash flows from those originally projected, or from those estimated at the last evaluation, may result in a prospective change in the yield and interest income recognized on these securities or in the recognition of an allowance for credit losses as discussed below. For AFS securities purchased and held at a discount, a portion of the discount may be designated as non-accretable purchase discount (“credit reserve”), based on the cash flows we have projected for the security. The amount designated as credit reserve may be adjusted over time, based on our periodic evaluation of projected cash flows. If the performance of a security with a credit reserve is more favorable than previously forecasted, a portion of the credit reserve may be reallocated to accretable discount and recognized into interest income over time. Conversely, if the performance of a security with a credit reserve is less favorable than forecasted, the amount designated as credit reserve may be increased, or impairment charges and write-downs of such securities to a new cost basis could result. Upon adoption of ASU 2016-13, "Financial Instruments - Credit Losses" in the first quarter of 2020, we modified our policy for recording impairments on available-for-sale securities. This guidance requires that credit impairments on our available-for-sale securities be recorded in earnings using an allowance for credit losses, with the allowance limited to the amount by which the security's fair value is less than its amortized cost basis. The allowance for credit losses is calculated using a discounted cash flow approach and is measured as the difference between the beneficial interest’s amortized cost and the estimate of cash flows expected to be collected, discounted at the effective interest rate used to accrete the beneficial interest. Any allowance for credit losses in excess of the unrealized losses on the beneficial interests are accounted for as a prospective reduction of the effective interest rate. No allowance is recorded for beneficial interests in an unrealized gain position. Favorable changes in the discounted cash flows will result in a reduction in the allowance for credit losses, if any. Any reduction in allowance for credit losses is recorded in earnings. If the allowance for credit losses has been reduced to zero, the remaining favorable changes are reflected as a prospective increase to the effective interest rate. If we intend to sell or it is more likely than not that we will be required to sell the security before it recovers in value, the entire impairment amount will be recognized in earnings with a corresponding adjustment to the security's amortized cost basis.
Other Investments	Strategic Investments We have made and may make additional strategic investments in companies through our RWT Horizons venture investment strategy or at a corporate level. These investments can take the form of equity or debt and often have conversion features. Depending on the terms of the investments, we may account for these investments under the fair value option or as non-marketable equity securities under the equity method of accounting or the measurement alternative (to the extent they do not have a “readily determinable fair value,” or are not traded in a verifiable public market or are restricted for sale in the public market by a restricted stock legend or otherwise). Investments accounted for under the fair value option are carried at fair value with periodic changes in value recorded through Investment fair value changes on our consolidated statements of income (loss). For non-marketable securities, we utilize the equity method of accounting when we are able to exert significant influence over but do not control the activities of the investee. Under the equity method of accounting, we generally elect to record our share of earnings or losses from equity method investments on a one- quarter lag, based on availability of financial information from investees, and we assess our investments for impairment whenever events or changes in circumstances indicate that the carrying amount of our investment might not be recoverable. Income from equity method investments is recorded in Other income, net on our consolidated statements of income (loss). Under the measurement alternative, the carrying value of our investment is measured at cost, less any impairment, plus or minus changes resulting from observable price changes in orderly transactions for the identical or a similar investment of the same issuer. Adjustments are determined primarily based on a market approach as of the transaction date and are recorded as a component of Other income, net on our consolidated statements of income (loss). Servicer Advance Investments Our servicer advance investments are comprised of outstanding servicer advances receivable, the requirement to purchase all future servicer advances made with respect to a specified pool of residential mortgage loans and a fee component of the related MSR. We have elected to record these investments at fair value. We recognize income from our servicer advance investments when earned and deemed collectible and record the income as a component of Other interest income in our consolidated statements of income (loss). Our servicer advance investments are marked-to-market on a recurring basis with changes in the fair value reported in Investment fair value changes, net on our consolidated statements of income (loss). See Note 10 for further discussion on our servicer advance investments. MSRs We recognize MSRs through the retention of servicing rights associated with residential mortgage loans that we acquired and subsequently transferred to third parties when the transfer meets the GAAP criteria for sale accounting, or through the direct acquisition of MSRs sold by third parties. We contract with licensed sub-servicers to perform servicing functions for loans associated with our MSRs. We have elected the fair value option for all of our MSRs, and they are initially recognized and subsequently carried at their estimated fair values. Servicing fee income from MSRs is recorded on a cash basis when received. Net servicing income and changes in the estimated fair value of MSRs are reported in Other income on our consolidated statements of income (loss). See Note 10 for further discussion on MSRs. Excess MSRs Our excess MSR investments represent the right to receive a portion of mortgage servicing cash flows in excess of amounts paid for the underlying mortgage loans to be serviced. As owners of excess MSRs, we are not required to be a licensed servicer, and we are not required to assume any servicing duties, advance obligations or liabilities associated with the loan pool underlying the MSR. We have elected to record these investments at fair value. We recognize income from Excess MSRs when it is earned and deemed collectible and record the income as a component of Other interest income in our consolidated statements of income (loss). Changes in fair value are recurring and are reported through our consolidated statements of income (loss) in Investment fair value changes, net. See Note 10 for further discussion on excess MSRs. Home Equity Investment Contracts During 2019, we began investing in HEIs that allow us to share in both home price appreciation and depreciation. We have elected to record these investments at fair value and report changes in fair value through Investment fair value changes, net on our consolidated statements of income (loss). In addition, we record HEIs held at a consolidated Point HEI securitization entity at fair value. In accordance with accounting guidance for CFEs, we use the fair value of the ABS issued by this entity (which we determined to be more observable) to determine the fair value of the HEIs held at this entity. Changes in fair value of the HEI assets held by this entity and the ABS issued by this entity (including the interest expense component of the ABS issued) is recorded through investment fair value changes on our consolidated statements of income (loss).
Cash and Cash Equivalents	Cash and cash equivalents include non-restricted cash and highly liquid investments with original maturities of three months or less and money market fund investments which are generally invested in U.S. government securities and are available to us on a daily basis. The Company maintains its cash and cash equivalents with major financial institutions. Accounts at these institutions are guaranteed by the Federal Deposit Insurance Corporation (“FDIC”) up to $250,000 for each bank. The Company is exposed to credit risk for amounts held in excess of the FDIC limit. The Company does not anticipate nonperformance by these institutions
Restricted Cash	Restricted cash primarily includes cash held at our consolidated Servicing Investment entities, and cash associated with our risk-sharing transactions with Fannie Mae and Freddie Mac ("the Agencies"), as well as cash collateral for certain consolidated securitization entities.
Goodwill and Intangible Assets	Significant judgment is required to estimate the fair value of intangible assets and in assigning their estimated useful lives. Accordingly, we typically seek the assistance of independent third-party valuation specialists for significant intangible assets. The fair value estimates are based on available historical information and on future expectations and assumptions we deem reasonable. We generally use an income-based valuation method to estimate the fair value of intangible assets, which discounts expected future cash flows to present value using estimates and assumptions we deem reasonable. Determining the estimated useful lives of intangible assets also requires judgment. Our assessment as to which intangible assets are deemed to have finite or indefinite lives is based on several factors including economic barriers of entry for the acquired business, retention trends, and our operating plans, among other factors. Finite-lived intangible assets are amortized over their estimated useful lives on a straight-line basis and reviewed for impairment if indicators are present. Additionally, useful lives are evaluated each reporting period to determine if revisions to the remaining periods of amortization are warranted. Goodwill is tested for impairment annually or more frequently if indicators of impairment exist. We have elected to make the first day of our fiscal fourth quarter the annual impairment assessment date for goodwill. Pursuant to our adoption of ASU 2017-04, "Intangibles - Goodwill and Other (Topic 350): Simplifying the Test for Goodwill Impairment" in the first quarter of 2020, we modified our goodwill impairment testing policy. We first assess qualitative factors to determine whether it is more likely than not that the fair value of the reporting unit is less than its carrying value. If, based on that assessment, we believe it is more likely than not that the fair value of the reporting unit is less than its carrying value, we measure the fair value of reporting unit and record a goodwill impairment charge for the amount by which a reporting unit's carrying value exceeds its fair value, not to exceed the carrying amount of the goodwill. Any such impairment charges would be recorded through Other expenses on our consolidated statements of income (loss).
Derivative Financial Instruments	Derivative financial instruments we typically utilize include swaps, swaptions, financial futures contracts, and “To Be Announced” (“TBA”) contracts. These derivatives are primarily used to manage interest rate risk associated with our operations. In addition, we enter into certain residential loan purchase commitments (“LPCs”), interest rate lock commitments ("IRLCs"), and residential loan forward sale commitments (“FSCs”) that are treated as derivatives for financial reporting purposes. All derivative financial instruments are recorded at their estimated fair value on our consolidated balance sheets. Derivatives with positive fair values to us are reported as assets and derivatives with negative fair values to us are reported as liabilities. We classify each derivative as either (i) a trading instrument (no specific hedging designation for financial reporting purposes) or (ii) a hedge of a forecasted transaction or of the variability of cash flows to be received or paid related to a recognized asset or liability (cash flow hedge). Changes in the fair values of derivatives accounted for as trading instruments, including any associated interest income or expense, are recorded in our consolidated statements of income (loss) through Other income if they are used to manage risks associated with our MSR investments, through Mortgage banking activities , net if they are used to manage risks associated with our mortgage banking activities, or through Investment fair value changes, net if they are used to manage risks associated with our investments. Valuation changes related to residential LPCs, IRLCs, and FSCs are included in Mortgage banking activities, net on our consolidated statements of income (loss). Changes in the fair values of derivatives accounted for as cash flow hedges, to the extent they are effective, are recorded in Accumulated other comprehensive income, a component of equity on our consolidated balance sheets. Interest income or expense, and any ineffectiveness associated with these derivatives, are recorded as a component of net interest income in our consolidated statements of income (loss). We measure the effective portion of cash flow hedges by comparing the change in fair value of the expected future variable cash flows of the derivative hedging instruments with the change in fair value of the expected future variable cash flows of the hedged item. We will discontinue a designated cash flow hedge relationship if (i) we determine that the hedging derivative is no longer expected to be effective in offsetting changes in the cash flows of the designated hedged item; (ii) the derivative expires or is sold, terminated, or exercised; (iii) the derivative is de-designated as a cash flow hedge; or (iv) it is probable that a forecasted transaction associated with the hedged item will not occur by the end of the originally specified time period. To the extent we de-designate or terminate a cash flow hedging relationship and the associated hedged item continues to exist, any unrealized gain or loss of the cash flow hedge at the time of de-designation remains in accumulated other comprehensive income and is amortized using the straight-line method through interest expense over the remaining life of the hedged item. Swaps and Swaptions Interest rate swaps are agreements in which (i) one counterparty exchanges a stream of fixed interest payments for another counterparty’s stream of variable interest cash flows; or (ii) each counterparty exchanges variable interest cash flows that are referenced to different indices. Interest rate swaptions are agreements that provide the owner the right but not the obligation to enter into an underlying interest rate swap with a counterparty in the future. We enter into swap and swaptions primarily to reduce significant changes in our income or equity caused by interest rate volatility. Certain of these interest rate agreements may be designated as cash flow hedges. Interest Rate Futures Interest rate futures are futures contracts based on U.S. Treasury notes, U.S. dollar-denominated interest rate swaps, or U.S. dollar-denominated interest rate indices. TBA Agreements TBA agreements are forward contracts to purchase mortgage-backed securities that will be issued by a U.S. government sponsored enterprise in the future. We purchase or sell these derivatives to offset - to varying degrees - changes in the values of mortgage products for which we have exposure to interest rate volatility. Loan Purchase and Forward Sale Commitments We use the term LPCs to refer to agreements with third-party residential loan originators to purchase residential loans at a future date that qualify as a derivative under GAAP and we use the term FSCs to refer to agreements with third-parties to sell residential loans at a future date that also qualify as derivatives under GAAP. LPCs and FSCs are recorded at their estimated fair values on our consolidated balance sheets and changes in fair value are recurring and are reported through our consolidated statements of income (loss) in Mortgage banking activities, net.
Deferred Tax Assets and Liabilities	Our deferred tax assets/liabilities are generated by temporary differences in GAAP and taxable income at our taxable REIT subsidiaries. These differences generally reflect differing accounting treatments for GAAP and tax, such as accounting for mortgage servicing rights, security discount and premium amortization, credit losses, asset impairments, and certain valuation estimates. As a result of these differences, we may recognize taxable income in periods prior to when we recognize income for GAAP. When this occurs, we pay the tax liability as required and establish a deferred tax asset. As the income is subsequently realized in future periods under GAAP, the deferred tax asset is reduced. We may also recognize GAAP income in periods prior to when we recognize income for tax. When this occurs, we establish a deferred tax liability for GAAP. As the income is subsequently realized in future periods for tax, the deferred tax liability is reduced. We may also record deferred tax assets/liabilities resulting from GAAP and tax basis differences of assets and liabilities acquired in a business combination at our taxable REIT subsidiaries. These deferred tax assets/liabilities generally do not affect our GAAP income at the time of establishment as the offsetting accounting entry is recorded in GAAP goodwill. They also do not generally affect GAAP income when they are subsequently realized as the deferred tax provision or benefit resulting from the realization is offset by a corresponding current tax benefit or provision.
Other Assets and Other Liabilities	Other assets primarily consists of accrued interest receivable, investment receivable, deferred tax asset, REO, operating lease right-of-use assets, margin receivable, and fixed assets and leasehold improvements. Other liabilities primarily consists of accrued compensation, margin payable, accrued interest payable, payable to non-controlling interests, guarantee obligations, operating lease liabilities, deferred tax liabilities, and residential loan and MSR repurchase reserves. See Note 12 for further discussion. Accrued Interest Receivable Accrued interest receivable includes interest that is due and payable to us and deemed collectible. Cash interest is generally received within thirty days of recording the receivable. For financial assets where we have elected the fair value option, the associated accrued interest receivable on these assets is measured at fair value. For financial assets where we have not elected the fair value option, the associated accrued interest carrying values approximate fair values. Investment Receivable Investment receivable primarily consists of amounts receivable from third-party servicers related to principal and interest receivable from business purpose loans and fees receivable from servicer advance investments. Margin Receivable and Payable Margin receivable and payable result from margin calls between us and our derivatives, master repurchase agreements, and warehouse facilities counterparties, whereby we or the counterparty were required to post collateral. Agency Risk-Sharing - Other Assets and Liabilities During 2014 and 2015, we entered into various risk-sharing arrangements with Fannie Mae and Freddie Mac. Under these arrangements, we committed to assume the first 1.00% or 2.25% (depending on the arrangement) of losses realized on reference pools of conforming residential mortgage loans that we acquired and then sold to the Agencies. As part of these risk-sharing arrangements, during the 10-year term of our first Fannie Mae arrangement, we receive monthly cash payments from Fannie Mae based on the monthly outstanding unpaid principal balance of the reference pool of loans, and for our Freddie Mac and our subsequent Fannie Mae arrangements, the Agencies charged us a reduced guarantee fee for the reference loans we delivered to them in exchange for mortgage-backed securities, which we then sold. Under these arrangements we are required to pledge assets to the Agencies to collateralize our risk-sharing commitments to them throughout the terms of the arrangements. These pledged assets are held by a third-party custodian for the benefit of the Agencies. To the extent approved losses are incurred, the custodian will transfer collateral to the Agencies. As a result of these transactions, we recorded restricted cash, “pledged collateral” in the other assets line item, and “guarantee obligations” in the other liabilities line item, on our consolidated balance sheets. In addition, for the first Fannie Mae transaction, we recorded a “guarantee asset” in the other assets line item on our consolidated balance sheets. The guarantee obligations represent our commitments to assume losses under these arrangements. We amortize the guarantee obligations over the 10-year terms of the arrangements based primarily on changes in the outstanding unpaid principal balance of loans in the reference pools, with a portion of the liabilities treated as a credit reserve that is not amortized into income. In addition, each period we assess the need for a separate loss allowance related to these arrangements, based on our estimate of credit losses inherent in the reference pools of loans. Income from cash payments received under the first Fannie Mae risk-sharing arrangement and income related to the amortization of the guarantee obligations of all three arrangements are recorded in Other income, and market valuation changes of the guarantee asset are recorded in Investment fair value changes, net on our consolidated statements of income (loss). Our consolidated balance sheets include assets of the special purpose entities ("SPEs") associated with these risk-sharing arrangements (i.e., the "pledged collateral" referred to above) that can only be used to settle obligations of these SPEs and liabilities of these SPEs for which the creditors of these SPEs (the Agencies) do not have recourse to Redwood Trust, Inc. or its affiliates. At December 31, 2021 and 2020, assets of such SPEs totaled $34 million and $46 million, respectively, and liabilities of such SPEs totaled $7 million and $10 million, respectively. See Note 16 for further discussion on loss contingencies — risk-sharing. REO
Accrued Interest Payable	Accrued Interest Payable Accrued interest payable includes interest that is due and payable to third parties. Interest is generally paid within one to three months of recording the payable, based upon our remittance requirements, and is paid semi-annually for our convertible and exchangeable debt. For borrowings where we have elected the fair value option, the associated accrued interest on these liabilities is measured at fair value. For financial liabilities where we have not elected the fair value option, the associated accrued interest carrying values approximate fair values.
Leases - Asset and Liabilities	Lease - Asset and LiabilitiesUpon adoption of ASU 2016-02, "Leases," in 2019, we recorded operating lease liabilities and operating lease right-of-use assets on our consolidated balance sheets. The operating lease liabilities are equal to the present value of our remaining lease payments discounted at our incremental borrowing rate and the operating lease right-of-use assets are equal to the operating lease liabilities adjusted for our deferred rent liabilities at the adoption of this accounting standard. As lease payments are made, the operating lease liabilities are reduced to the present value of the remaining lease payments and the operating lease right-of-use assets are reduced by the difference between the lease expense (straight-lined over the lease term) and the theoretical interest expense amount (calculated using the incremental borrowing rate).
Payable to Non-Controlling Interests	Payable to non-controlling interests includes amounts payable to third parties, representing their interest in our consolidated Servicing Investment and Point HEI entities.
Short-Term Debt	Short-term debt includes borrowings under master repurchase agreements, loan warehouse facilities, and other forms of borrowings that expire within one year with various counterparties. These borrowings are typically collateralized by cash, loans, or securities, and in some cases may be unsecured. If the value (as determined by the applicable counterparty) of the collateral securing those borrowings decreases, we may be subject to margin calls during the period the borrowings are outstanding. In instances where we do not satisfy the margin calls within the required time frame, the counterparty may retain the collateral and pursue any outstanding debt amount from us. Short-term debt also includes non-recourse short-term borrowings used to finance servicer advance investments.
Asset-Backed Securities Issued	ABS issued represents asset-backed securities issued through the Legacy Sequoia, Sequoia, Freddie Mac K-Series, Freddie Mac SLST, CAFL, and Point HEI securitization entities. Assets at these entities are held in the custody of securitization trustees and are not owned by Redwood. These trustees collect principal and interest payments (less servicing and related fees) from the assets and make corresponding principal and interest payments to the ABS investors. In accordance with accounting guidance for CFEs, we account for the ABS issued under certain of our consolidated entities at fair value, with periodic changes in fair value recorded in Investment fair value changes, net on our consolidated statements of income (loss). During the third quarter of 2021, we consolidated the assets and liabilities of a securitization entity formed in connection with the securitization of CoreVest bridge loans. During the third quarter of 2020, we re-securitized subordinate securities we owned in our consolidated Freddie Mac SLST securitization trusts, through the transfer of these financial assets to a re-securitization trust that we sponsored. We account for the ABS issued by the CAFL bridge securitization trust and the re-securitization trust at amortized cost.
Long-Term Debt	FHLBC Borrowings FHLBC borrowings included amounts borrowed by our FHLB-member subsidiary, also referred to as “advances,” from the Federal Home Loan Bank of Chicago that were secured by eligible collateral, including, but not limited to, residential mortgage loans, single-family rental loans, and residential mortgage-backed securities. FHLBC borrowings were carried at their unpaid principal balance and interest on advances was paid every 13 weeks from when each respective advance was made. We paid off our remaining FHLBC borrowings in 2021 after having substantially paid off our FHLBC borrowings in 2020. Recourse Subordinate Securities Financing Facilities Borrowings under our recourse subordinate securities financing facilities are secured by real estate securities and carried at unpaid principal balance net of any unamortized deferred issuance costs. Interest on these facilities is paid monthly. See Note 15 for further discussion on our subordinate securities financing facilities. Non-Recourse Business Purpose Loan Financing Facilities Borrowings under our non-recourse business purpose loan financing facilities are secured by bridge loans and other Business Purpose Mortgage Lending ("BPL") investments and carried at unpaid principal balance net of any unamortized deferred issuance costs. Interest on these facilities is paid monthly. See Note 15 for further discussion on our non-recourse business purpose loan financing facilities. Recourse Business Purpose Loan Financing Facilities Borrowings under our recourse business purpose loan financing facilities are secured by bridge loans and single-family rental loans and carried at unpaid principal balance net of any unamortized deferred issuance costs. Interest on these facilities is paid monthly. See Note 15 for further discussion on our recourse business purpose loan financing facilities. Convertible Notes Convertible notes include unsecured convertible and exchangeable debt that are carried at their unpaid principal balance net of any unamortized deferred issuance costs. Interest on the notes is payable semiannually until such time the notes mature or are converted or exchanged into shares. If converted or exchanged by a holder, the holder of the notes would receive shares of our common stock. Trust Preferred Securities and Subordinated Notes
Equity	Accumulated Other Comprehensive Income (Loss) Net unrealized gains and losses on real estate securities available-for-sale and interest rate agreements designated as cash flow hedges are reported as components of Accumulated other comprehensive income on our consolidated statements of changes in stockholders' equity and our consolidated balance sheets. Net unrealized gains and losses on securities and interest rate agreements held by our taxable REIT subsidiaries that are reported in other comprehensive income are adjusted for the effects of taxation and may create deferred tax assets or liabilities. Earnings per Common Share Basic earnings per common share (“EPS”) is computed by dividing net income allocated to common shareholders by the weighted average common shares outstanding. Net income allocated to common shareholders represents net income less income allocated to participating securities (as described herein). Diluted EPS is computed by dividing income allocated to common shareholders by the weighted average common shares outstanding plus amounts representing the dilutive effect of share-based payment awards. In addition, if the assumed conversion or exchange of convertible or exchangeable debt into common shares is dilutive, diluted EPS is adjusted by adding back the periodic interest expense (net of any tax effects) associated with dilutive convertible or exchangeable debt to net income and adding the shares issued in an assumed conversion or exchange to the diluted weighted average share count.
Incentive Plans	In May 2020, our shareholders approved an amendment to the 2014 Redwood Trust, Inc. Incentive Plan (“Incentive Plan”) for executive officers, employees, and non-employee directors, which increased the number of shares available under the Incentive Plan. The Incentive Plan provides for the grant of restricted stock, deferred stock, deferred stock units, performance-based awards (including performance stock units), dividend equivalents, stock payments, restricted stock units, and other types of awards to eligible participants. Long-term incentive awards granted under the Incentive Plan generally vest over a three Employee Stock Purchase Plan In 2013, our shareholders approved an amendment to our previously amended 2002 Redwood Trust, Inc. Employee Stock Purchase Plan (“ESPP”) to increase the number of shares available under the ESPP. The purpose of the ESPP is to give our employees an opportunity to acquire an equity interest in the Company through the purchase of shares of common stock at a discount. The ESPP allows eligible employees to purchase common stock at 85% of its fair value, subject to certain limits. Fair value as defined under the ESPP is the lesser of the closing market price of the common stock on the first day of the calendar year or the last day of the calendar quarter. Executive Deferred Compensation Plan In 2018, our Board of Directors approved an amendment to our 2002 Executive Deferred Compensation Plan (“EDCP”) to increase the number of shares available to non-employee directors to defer certain cash payments and dividends into DSUs. The EDCP allows eligible employees and directors to defer portions of current salary and certain other forms of compensation. The Company matches some deferrals. Compensation deferred under the EDCP is recorded as a liability on our consolidated balance sheets. The EDCP allows for the investment of deferrals in either an interest crediting account or DSUs. 401(k) Plan
Taxes	We have elected to be taxed as a REIT under the Internal Revenue Code and the corresponding provisions of state law. To qualify as a REIT we must distribute at least 90% of our annual REIT taxable income to shareholders (not including taxable income retained in our taxable REIT subsidiaries) within the time frame set forth in the Internal Revenue Code and also meet certain other requirements related to assets, income, and stock ownership. We assess our tax positions for all open tax years and record tax benefits only if tax positions meet a more-likely-than-not threshold in accordance with GAAP guidance on accounting for uncertain tax positions. We classify interest and penalties on material uncertain tax positions as interest expense and general and administrative expenses, respectively, in our consolidated statements of income (loss).
Recent Accounting Pronouncements	In August 2021, the FASB issued ASU 2021-06, "Presentation of Financial Statements (Topic 205), Financial Services—Depository and Lending (Topic 942), and Financial Services—Investment Companies (Topic 946): Amendments to SEC Paragraphs Pursuant to SEC Final Rule Releases No. 33-10786, Amendments to Financial Disclosures about Acquired and Disposed Businesses, and No. 33-10835, Update of Statistical Disclosures for Bank and Savings and Loan Registrants (SEC Update)." This new guidance aligns certain SEC paragraphs in the codification with new SEC rules issued in May 2020 related to changes to the disclosure requirements for acquired and disposed businesses. We adopted this guidance upon issuance in the third quarter of 2021, which did not have a material impact on our consolidated financial statements. In December 2019, the FASB issued ASU 2019-12, "Income Taxes (Topic 740): Simplifying the Accounting for Income Taxes." This new guidance simplifies the accounting for income taxes by removing certain exceptions to the general principles in Topic 740 and by clarifying and amending existing guidance. This new guidance is effective for fiscal years beginning after December 15, 2020. We adopted this guidance, as required, during the first quarter of 2021, which did not have a material impact on our consolidated financial statements. In January 2020, the FASB issued ASU 2020-01, "Investments - Equity Securities (Topic 321), Investments - Equity Method and Joint Ventures (Topic 323), and Derivatives and Hedging (Topic 815)." This new guidance clarifies the interaction of the accounting for equity securities, equity method investments, and certain forward contracts and purchased options. This new guidance is effective for fiscal years beginning after December 15, 2020. We adopted this guidance, as required, during the first quarter of 2021, which did not have a material impact on our consolidated financial statements. In October 2020, the FASB issued ASU 2020-10, "Codification Improvements." This new guidance updates various codification topics by clarifying or improving disclosure requirements. This new guidance is effective for fiscal years ending after December 15, 2020. We adopted this guidance, as required, during the first quarter of 2021, which did not have a material impact on our consolidated financial statements. In October 2020, the FASB issued ASU 2020-09, "Debt (Topic 470): Amendments to SEC Paragraphs Pursuant to SEC Release No. 33-10762." This new guidance aligns certain SEC paragraphs in the codification with new SEC rules issued in March 2020 related to changes to the disclosure requirements for registered debt securities. This new guidance was effective January 4, 2021. Early adoption is permitted. We adopted this guidance, as required, during the first quarter of 2021, which did not have a material impact on our consolidated financial statements. In October 2020, the FASB issued ASU 2020-08, "Codification Improvements to Subtopic 310-20, Receivables - Nonrefundable Fees and Other Costs." This new guidance clarifies that an entity should reevaluate whether a callable debt security is within the scope of paragraph 310-20-35-33 for each reporting period. This new guidance is effective for fiscal years ending after December 15, 2020. We adopted this guidance, as required, during the first quarter of 2021, which did not have a material impact on our consolidated financial statements. Other Recent Accounting Pronouncements In August 2020, the FASB issued ASU 2020-06, "Debt - Debt with Conversion and Other Options (Subtopic 470-20) and Derivatives and Hedging - Contracts in Entity's Own Equity (Subtopic 815-40)." This new guidance simplifies the accounting for convertible debt by reducing the number of accounting models to separately present certain conversion features in equity. This new guidance is effective for fiscal years beginning after December 31, 2021. Early adoption is permitted. We plan to adopt this new guidance by the required date and do not anticipate that this update will have a material impact on our consolidated financial statements. In March 2020, the FASB issued ASU 2020-04, "Reference Rate Reform (Topic 848): Facilitation of the Effects of Reference Rate Reform on Financial Reporting." This new guidance provides optional expedients and exceptions for applying GAAP to contracts, hedging relationships, and other transactions affected by reference rate reform if certain criteria are met. In January 2021, the FASB issued ASU 2021-01, "Reference Rate Reform (Topic 848): Scope." This new guidance clarifies that certain optional expedients and exceptions in Topic 848 for contract modifications and hedge accounting apply to derivatives that are affected by the discounting transition. This new guidance is effective for all entities as of March 12, 2020 through December 31, 2022 . As of December 31, 2021, we were continuing to evaluate the impact of the discontinuation of LIBOR on our operations and our consolidated financial statements, and we had not elected to apply the optional expedients and exceptions to any of our existing contracts, hedging relationships, or other transactions. We have an established cross-functional group that has evaluated our exposure to LIBOR, reviewed relevant contracts and has monitored regulatory updates to assess the potential impact to our business, processes and technology from the ultimate full cessation of LIBOR in 2023 and has established a LIBOR transition plan to facilitate an orderly transition to alternative reference rates. We continue to remain on track with our LIBOR transition plan, which requires different solutions depending on the underlying asset or liability with LIBOR exposure. As of December 31, 2021, our primary LIBOR exposure included the following: $2.47 billion of repo or warehouse debt, $2.10 billion of interest rate swaps and swaptions, $708 million of bridge loans, and $140 million of trust preferred securities and subordinated notes debt.
Balance Sheet Netting	Certain of our derivatives and short-term debt are subject to master netting arrangements or similar agreements. Under GAAP, in certain circumstances we may elect to present certain financial assets, liabilities and related collateral subject to master netting arrangements in a net position on our consolidated balance sheets. However, we do not report any of these financial assets or liabilities on a net basis, and instead present them on a gross basis on our consolidated balance sheets.

Basis of Presentation (Tables)

Basis of Presentation (Tables)	12 Months Ended
	Dec. 31, 2021
Accounting Policies [Abstract]
Schedule of Assets Acquired and Liabilities Assumed	Through December 31, 2021, there were no changes to our purchase price allocations, which are summarized in the following table. Table 2.1 – Purchase Price Allocations (In Thousands) 5 Arches CoreVest Acquisition Date March 1, 2019 October 15, 2019 Purchase price: Cash $ 12,575 $ 482,311 Contingent consideration, at fair value 24,621 — Purchase option, at fair value 5,082 — Equity method investment, at fair value 8,052 — Total consideration $ 50,330 $ 482,311 Allocated to: Business purpose loans, at fair value $ 2,022 $ 2,610,490 Cash and cash equivalents 2,128 30,685 Restricted cash 9,082 — Other assets 5,473 67,420 Goodwill 28,747 59,928 Intangible assets 24,800 56,500 Deferred tax asset — 2,577 Total assets acquired 72,252 2,827,600 Asset-backed securities issued, at fair value — 1,656,023 Short-term debt, net 3,800 663,275 Accrued expenses and other liabilities 13,920 25,991 Deferred tax liability 4,202 — Total liabilities assumed 21,922 2,345,289 Total net assets acquired $ 50,330 $ 482,311 Because we owned a 20% non-controlling interest in 5 Arches immediately before obtaining full control, we remeasured our initial minority investment and purchase option at their acquisition-date fair values using the income approach, which resulted in a gain of $2 million that was recorded in Other income on our consolidated statements of income (loss) during the three months ended March 31, 2019. We recognized $2 million of acquisition costs related our acquisitions of 5 Arches and CoreVest during the year ended December 31, 2019. These costs primarily related to accounting, consulting, and legal expenses and are included in our General and administrative expenses on our consolidated statements of income (loss).
Schedule of Finite-Lived Intangible Assets	The table below presents the amortization period and carrying value of our intangible assets, net of accumulated amortization at December 31, 2021 and 2020. Table 2.2 – Intangible Assets – Activity Intangible Assets at Acquisition Accumulated Amortization at December 31, 2021 Carrying Value at December 31, 2021 Weighted Average Amortization Period (in years) (Dollars in Thousands) Borrower network $ 45,300 $ (14,291) $ 31,009 7 Broker network 18,100 (10,257) 7,843 5 Non-compete agreements 9,500 (7,597) 1,903 3 Tradenames 4,000 (3,194) 806 3 Developed technology 1,800 (1,800) — 2 Loan administration fees on existing loan assets 2,600 (2,600) — 1 Total $ 81,300 $ (39,739) $ 41,561 6 Intangible Assets at Acquisition Accumulated Amortization at December 31, 2020 Carrying Value at December 31, 2020 Weighted Average Amortization Period (in years) (Dollars in Thousands) Borrower network $ 45,300 $ (7,819) $ 37,481 7 Broker network 18,100 (6,637) 11,463 5 Non-compete agreements 9,500 (4,431) 5,069 3 Tradenames 4,000 (1,860) 2,140 3 Developed technology 1,800 (1,088) 712 2 Loan administration fees on existing loan assets 2,600 (2,600) — 1 Total $ 81,300 $ (24,435) $ 56,865 6
Finite-lived Intangible Assets Amortization Expense	Estimated future amortization expense is summarized in the table below. Table 2.3 – Intangible Asset Amortization Expense by Year (In Thousands) December 31, 2021 2022 $ 12,800 2023 10,091 2024 7,073 2025 6,471 2026 5,126 Total Future Intangible Asset Amortization $ 41,561
Pro Forma Information	The following unaudited pro forma financial information presents Net interest income, Non-interest income, and Net income of Redwood, 5 Arches, and CoreVest combined, for the year ended December 31, 2019, as if the acquisitions occurred as of January 1, 2018. These pro forma amounts have been adjusted to include the amortization of intangible assets and acquisition-related compensation expense for both periods, and to exclude the income statement impacts related to our equity method investment in 5 Arches. The unaudited pro forma financial information is not intended to represent or be indicative of the consolidated financial results of operations that would have been reported if the acquisitions had been completed as of January 1, 2018 and should not be taken as indicative of our future consolidated results of operations. Table 2.4 – Unaudited Pro Forma Financial Information Year Ended (In Thousands) December 31, 2019 Supplementary pro forma information: Net interest income $ 167,680 Non-interest income 193,519 Net income 185,896

Summary of Significant Accoun_3

Summary of Significant Accounting Policies (Tables)	12 Months Ended
	Dec. 31, 2021
Accounting Policies [Abstract]
Offsetting of Financial Assets, Liabilities, and Collateral	he table below presents financial assets and liabilities that are subject to master netting arrangements or similar agreements categorized by financial instrument, together with corresponding financial instruments and corresponding collateral received or pledged at December 31, 2021 and 2020. Table 3.1 – Offsetting of Financial Assets, Liabilities, and Collateral Gross Amounts of Recognized Assets (Liabilities) Gross Amounts Offset in Consolidated Balance Sheet Net Amounts of Assets (Liabilities) Presented in Consolidated Balance Sheet Gross Amounts Not Offset in Consolidated (1) Net Amount December 31, 2021 (In Thousands) Financial Instruments Cash Collateral (Received) Pledged Assets (2) Interest rate agreements $ 18,929 $ — $ 18,929 $ (1,251) $ (16,046) $ 1,632 TBAs 2,880 — 2,880 (633) (704) 1,543 Interest rate futures 25 — 25 (25) — — Total Assets $ 21,834 $ — $ 21,834 $ (1,909) $ (16,750) $ 3,175 Liabilities (2) Interest rate agreements $ (1,251) $ — $ (1,251) $ 1,251 $ — $ — TBAs (658) — (658) 633 15 (10) Futures (905) — (905) 25 880 — Loan warehouse debt (572,720) — (572,720) 572,720 — — Total Liabilities $ (575,534) $ — $ (575,534) $ 574,629 $ 895 $ (10) Gross Amounts of Recognized Assets (Liabilities) Gross Amounts Offset in Consolidated Balance Sheet Net Amounts of Assets (Liabilities) Presented in Consolidated Balance Sheet Gross Amounts Not Offset in Consolidated (1) Net Amount December 31, 2020 (In Thousands) Financial Instruments Cash Collateral (Received) Pledged Assets (2) Interest rate agreements $ 19,951 $ — $ 19,951 $ — $ (7,769) $ 12,182 TBAs 18,260 — 18,260 (13,423) (4,658) 179 Total Assets $ 38,211 $ — $ 38,211 $ (13,423) $ (12,427) $ 12,361 Liabilities (2) TBAs $ (15,495) $ — $ (15,495) $ 13,423 $ 1,061 $ (1,011) Loan warehouse debt (137,269) — (137,269) 137,269 — — Security repurchase agreements (77,775) — (77,775) 77,775 — — Total Liabilities $ (230,539) $ — $ (230,539) $ 228,467 $ 1,061 $ (1,011) (1) Amounts presented in these columns are limited in total to the net amount of assets or liabilities presented in the prior column by instrument. In certain cases, there is excess cash collateral or financial assets we have pledged to a counterparty (which may, in certain circumstances, be a clearinghouse) that exceed the financial liabilities subject to a master netting arrangement or similar agreement. Additionally, in certain cases, counterparties may have pledged excess cash collateral to us that exceeds our corresponding financial assets. In each case, any of these excess amounts are excluded from the table although they are separately reported in our consolidated balance sheets as assets or liabilities, respectively.

Principles of Consolidation (Ta

Principles of Consolidation (Tables)	12 Months Ended
	Dec. 31, 2021
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Schedule of Variable Interest Entities	The following table presents a summary of the assets and liabilities of our consolidated VIEs. Table 4.1 – Assets and Liabilities of Consolidated VIEs December 31, 2021 Legacy Sequoia CAFL (1) Freddie Mac SLST (1) Freddie Mac Servicing Investment Point HEI Total (Dollars in Thousands) Residential loans, held-for-investment $ 230,455 $ 3,628,465 $ — $ 1,888,230 $ — $ — $ — $ 5,747,150 Business purpose loans, held-for-investment — — 3,766,316 — — — — 3,766,316 Multifamily loans, held-for-investment — — — — 473,514 — — 473,514 Other investments — — — — — 384,754 159,553 544,307 Cash and cash equivalents — — — — — 6,481 — 6,481 Restricted cash 148 5 15,221 — — 25,420 5,292 46,086 Accrued interest receivable 210 10,885 15,737 5,792 1,315 1,462 — 35,401 Other assets 61 — 32,510 2,028 — 7,177 50 41,826 Total Assets $ 230,874 $ 3,639,355 $ 3,829,784 $ 1,896,050 $ 474,829 $ 425,294 $ 164,895 $ 10,661,081 Short-term debt $ — $ — $ — $ — $ — $ 294,447 $ — $ 294,447 Accrued interest payable 99 8,452 11,030 4,055 1,190 192 — 25,018 Accrued expenses and other liabilities — 5 1,171 — — 28,115 17,034 46,325 Asset-backed securities issued 227,881 3,383,048 3,474,898 1,588,463 441,857 — 137,410 9,253,557 Total Liabilities $ 227,980 $ 3,391,505 $ 3,487,099 $ 1,592,518 $ 443,047 $ 322,754 $ 154,444 $ 9,619,347 Value of our investments in VIEs (1) 2,634 245,417 339,419 301,795 31,657 102,540 10,451 1,033,913 Number of VIEs 20 16 16 3 1 3 1 60 December 31, 2020 Legacy Sequoia CAFL Freddie Mac SLST (1) Freddie Mac Servicing Investment Total (Dollars in Thousands) Residential loans, held-for-investment $ 285,935 $ 1,565,322 $ — $ 2,221,153 $ — $ — $ 4,072,410 Business purpose loans, held-for-investment — — 3,249,194 — — — 3,249,194 Multifamily loans, held-for-investment — — — — 492,221 — 492,221 Other investments — — — — — 251,773 251,773 Cash and cash equivalents — — — — — 11,579 11,579 Restricted cash 148 — — — — 23,220 23,368 Accrued interest receivable 305 6,802 13,055 6,754 1,337 2,334 30,587 Other assets 638 — 2,930 646 — 5,723 9,937 Total Assets $ 287,026 $ 1,572,124 $ 3,265,179 $ 2,228,553 $ 493,558 $ 294,629 $ 8,141,069 Short-term debt $ — $ — $ — $ — $ — $ 208,375 $ 208,375 Accrued interest payable 141 4,697 10,278 4,846 1,177 135 21,274 Accrued expenses and other liabilities — 50 — — — 18,353 18,403 Asset-backed securities issued 282,326 1,347,357 3,013,093 1,993,919 463,966 — 7,100,661 Total Liabilities $ 282,467 $ 1,352,104 $ 3,023,371 $ 1,998,765 $ 465,143 $ 226,863 $ 7,348,713 Value of our investments in VIEs (1) 4,559 220,020 238,680 229,788 28,415 67,766 789,228 Number of VIEs 20 10 14 2 1 3 50 (1) Value of our investments in VIEs, as presented in this table, represent the fair value of our economic interests in the VIEs only for consolidated VIEs we account for under the CFE election. CAFL includes SFR loan securitizations we account for under the CFE election and a bridge loan securitization for which we did not make the CFE election. As of December 31, 2021 and 2020, the fair value of our interests in the CAFL SFR securitizations were $302 million and $239 million, respectively, and our net carrying value in the CAFL Bridge securitization was $38 million and zero, respectively. Freddie Mac SLST includes securitizations we account for under the CFE election and also includes ABS issued in relation to a resecuritization of the securities we own in the consolidated Freddie Mac SLST VIEs, that we account for at amortized historical cost. As of December 31, 2021 and 2020, the fair value of our interests in the Freddie Mac SLST securitizations accounted for under the CFE election were $445 million and $428 million, respectively, and the carrying value of the ABS issued and carried at amortized historical cost was $143 million and $200 million respectively. The following tables present income (loss) from these VIEs for the years ended December 31, 2021 and 2020. Table 4.2 – Income (Loss) from Consolidated VIEs Year Ended December 31, 2021 Legacy Sequoia CAFL Freddie Mac Freddie Mac Servicing Investment Point HEI Total (Dollars in Thousands) Interest income $ 4,709 $ 74,025 $ 207,202 $ 76,287 $ 19,266 $ 18,803 $ — $ 400,292 Interest expense (3,040) (59,949) (160,618) (64,635) (17,686) (4,867) — (310,795) Net interest income 1,669 14,076 46,584 11,652 1,580 13,936 — 89,497 Non-interest income Investment fair value changes, net (1,558) 14,176 8,521 62,374 11,599 (5,209) 218 90,121 Other income — — 72 — — — — 72 Total non-interest income, net (1,558) 14,176 8,593 62,374 11,599 (5,209) 218 90,193 General and administrative expenses — — — — — (283) — (283) Other expenses — — — — — (1,689) — (1,689) Income (Loss) from Consolidated VIEs $ 111 $ 28,252 $ 55,177 $ 74,026 $ 13,179 $ 6,755 $ 218 $ 177,718 Year Ended December 31, 2020 Legacy Sequoia CAFL Freddie Mac SLST Freddie Mac Servicing Investment Total (Dollars in Thousands) Interest income $ 9,061 $ 87,093 $ 136,950 $ 85,609 $ 54,813 $ 17,665 $ 391,191 Interest expense (5,945) (73,643) (105,732) (66,859) (51,521) (6,441) (310,141) Net interest income 3,116 13,450 31,218 18,750 3,292 11,224 81,050 Non-interest income Investment fair value changes, net (1,512) (13,244) (39,574) (21,160) (81,039) (11,327) (167,856) Total non-interest income, net (1,512) (13,244) (39,574) (21,160) (81,039) (11,327) (167,856) General and administrative expenses — — — — — (867) (867) Other expenses — — — — — 193 193 Income from Consolidated VIEs $ 1,604 $ 206 $ (8,356) $ (2,410) $ (77,747) $ (777) $ (87,480)
Securitization Activity Related to Unconsolidated Variable Interest Entity's Sponsored by Redwood	Table 4.3 – Securitization Activity Related to Unconsolidated VIEs Sponsored by Redwood Years Ended December 31, (In Thousands) 2021 2020 Principal balance of loans transferred $ 1,231,803 $ 2,223,462 Trading securities retained, at fair value 7,774 49,089 AFS securities retained, at fair value 1,600 4,187
Cash Flows Related to Unconsolidated Variable Interest Entity's Sponsored by Redwood	The following table summarizes the cash flows during the years ended December 31, 2021 and 2020 between us and the unconsolidated VIEs sponsored by us and accounted for as sales since 2012. Table 4.4 – Cash Flows Related to Unconsolidated VIEs Sponsored by Redwood Years Ended December 31, (In Thousands) 2021 2020 Proceeds from new transfers $ 1,266,063 $ 2,276,521 MSR fees received 5,003 9,749 Funding of compensating interest, net (160) (405) Cash flows received on retained securities 47,596 24,172
MSR Assumptions Related to Unconsolidated Variable Interest Entity's Sponsored by Redwood	The following table presents the key weighted average assumptions used to value securities retained at the date of securitization for securitizations completed during 2021 and 2020. Table 4.5 – Assumptions Related to Assets Retained from Unconsolidated VIEs Sponsored by Redwood Year Ended December 31, 2021 Year Ended December 31, 2020 At Date of Securitization Senior IO Securities Subordinate Securities Senior IO Securities Subordinate Securities Prepayment rates 11 % 11 % 29 % 14 % Discount rates 15 % 6 % 14 % 7 % Credit loss assumptions 0.23 % 0.23 % 0.27 % 0.24 %
Unconsolidated Variable Interest Entity's Sponsored by Redwood Summary	The following table presents additional information at December 31, 2021 and 2020, related to unconsolidated VIEs sponsored by Redwood and accounted for as sales since 2012. Table 4.6 – Unconsolidated VIEs Sponsored by Redwood (In Thousands) December 31, 2021 December 31, 2020 On-balance sheet assets, at fair value: Interest-only, senior and subordinate securities, classified as trading $ 18,214 $ 20,982 Subordinate securities, classified as AFS 127,542 136,475 Mortgage servicing rights 6,450 8,413 Maximum loss exposure (1) $ 152,206 $ 165,870 Assets transferred: Principal balance of loans outstanding $ 4,959,234 $ 7,728,432 Principal balance of loans 30+ days delinquent 30,594 138,029 (1) Maximum loss exposure from our involvement with unconsolidated VIEs pertains to the carrying value of our securities and MSRs retained from these VIEs and represents estimated losses that would be incurred under severe, hypothetical circumstances, such as if the value of our interests and any associated collateral declines to zero. This does not include, for example, any potential exposure to representation and warranty claims associated with our initial transfer of loans into a securitization.
Key Assumptions and Sensitivity Analysis for Assets Retained from Unconsolidated Variable Interest Entity's Sponsored by Redwood	The following table presents key economic assumptions for assets retained from unconsolidated VIEs and the sensitivity of their fair values to immediate adverse changes in those assumptions at December 31, 2021 and 2020. Table 4.7 – Key Assumptions and Sensitivity Analysis for Assets Retained from Unconsolidated VIEs Sponsored by Redwood December 31, 2021 MSRs Senior Securities (1) Subordinate Securities (Dollars in Thousands) Fair value at December 31, 2021 $ 6,450 $ 18,214 $ 127,542 Expected life (in years) (2) 3 4 5 Prepayment speed assumption (annual CPR) (2) 29 % 23 % 32 % Decrease in fair value from: 10% adverse change $ 447 $ 1,130 $ 531 25% adverse change 1,020 2,596 1,440 Discount rate assumption (2) 12 % 16 % 5 % Decrease in fair value from: 100 basis point increase $ 152 $ 426 $ 4,801 200 basis point increase 297 829 9,139 Credit loss assumption (2) N/A 0.35 % 0.35 % Decrease in fair value from: 10% higher losses N/A $ — $ 1,528 25% higher losses N/A — 3,819 December 31, 2020 MSRs Senior Securities (1) Subordinate Securities (Dollars in Thousands) Fair value at December 31, 2020 $ 8,413 $ 17,333 $ 140,124 Expected life (in years) (2) 2 3 8 Prepayment speed assumption (annual CPR) (2) 37 % 31 % 33 % Decrease in fair value from: 10% adverse change $ 906 $ 1,557 $ 452 25% adverse change 2,058 3,754 2,298 Discount rate assumption (2) 12 % 21 % 5 % Decrease in fair value from: 100 basis point increase $ 196 $ 337 $ 9,769 200 basis point increase 380 659 18,650 Credit loss assumption (2) N/A 0.41 % 0.41 % Decrease in fair value from: 10% higher losses N/A $ — $ 2,409 25% higher losses N/A — 5,915 (1) Senior securities included $18 million and $17 million of interest-only securities at December 31, 2021 and 2020, respectively. (2) Expected life, prepayment speed assumption, discount rate assumption, and credit loss assumption presented in the tables above represent weighted averages.
Loan Transfers Accounted for as Secured Borrowings	The following table presents a summary of our interests in third-party VIEs at December 31, 2021 and 2020, grouped by asset type. Table 4.8 – Third-Party Sponsored VIE Summary (In Thousands) December 31, 2021 December 31, 2020 Mortgage-Backed Securities Senior $ 3,572 $ 11,131 Mezzanine — 2,014 Subordinate 228,083 173,523 Total Mortgage-Backed Securities 231,655 186,668 Excess MSR 10,400 14,133 Total Investments in Third-Party Sponsored VIEs $ 242,055 $ 200,801

Fair Value of Financial Instr_2

Fair Value of Financial Instruments (Tables)	12 Months Ended
	Dec. 31, 2021
Fair Value Disclosures [Abstract]
Carrying Values and Estimated Fair Values of Assets and Liabilities	The following table presents the carrying values and estimated fair values of assets and liabilities that are required to be recorded or disclosed at fair value at December 31, 2021 and 2020. Table 5.1 – Carrying Values and Fair Values of Assets and Liabilities December 31, 2021 December 31, 2020 Carrying Fair Carrying Fair (In Thousands) Assets Residential loans, held-for-sale at fair value $ 1,845,248 $ 1,845,248 $ 176,604 $ 176,604 Residential loans, held-for-investment 5,747,150 5,747,150 4,072,410 4,072,410 Business purpose loans, held-for-sale 358,309 358,309 245,394 245,394 Business purpose loans, held-for-investment 4,432,680 4,432,680 3,890,959 3,890,959 Multifamily loans 473,514 473,514 492,221 492,221 Real estate securities 377,411 377,411 344,125 344,125 Servicer advance investments (1) 350,923 350,923 231,489 231,489 MSRs (1) 12,438 12,438 8,815 8,815 Excess MSRs (1) 44,231 44,231 34,418 34,418 HEIs (1) 192,740 192,740 42,440 42,440 Other investments (1) 12,663 12,663 18,847 18,847 Cash and cash equivalents 450,485 450,485 461,260 461,260 Restricted cash 80,999 80,999 83,190 83,190 Derivative assets 26,467 26,467 53,238 53,238 REO (2) 36,126 39,272 8,413 9,229 Margin receivable (2) 7,269 7,269 4,758 4,758 FHLBC stock (2) 10 10 5,000 5,000 Pledged collateral (2) — — 1,177 1,177 Liabilities Short-term debt $ 2,177,362 $ 2,177,362 $ 522,609 $ 522,609 Margin payable (3) 24,368 24,368 — — Guarantee obligation (3) 7,459 7,133 10,039 7,843 Point HEI non-controlling interest 17,035 17,035 — — Derivative liabilities 3,317 3,317 16,072 16,072 ABS issued net Fair value 8,843,147 8,843,147 6,900,362 6,900,362 Amortized cost 410,410 410,471 200,299 204,892 Other long-term debt, net (4) 988,483 989,570 774,726 783,570 Convertible notes, net (4) 513,629 537,300 511,085 499,865 Trust preferred securities and subordinated notes, net (4) 138,721 97,650 138,674 80,910 (1) These investments are included in Other investments on our consolidated balance sheets. (2) These assets are included in Other assets on our consolidated balance sheets. (3) These liabilities are included in Accrued expenses and other liabilities on our consolidated balance sheets. (4) The liabilities are included in Long-Term debt, net of our consolidated balance sheets.
Assets and Liabilities Measured at Fair Value on Recurring Basis	The following table presents the assets and liabilities that are reported at fair value on our consolidated balance sheets on a recurring basis at December 31, 2021 and 2020, as well as the fair value hierarchy of the valuation inputs used to measure fair value. Table 5.2 – Assets and Liabilities Measured at Fair Value on a Recurring Basis December 31, 2021 Carrying Value Fair Value Measurements Using (In Thousands) Level 1 Level 2 Level 3 Assets Residential loans $ 7,592,398 $ — $ — $ 7,592,398 Business purpose loans 4,790,989 — — 4,790,989 Multifamily loans 473,514 — — 473,514 Real estate securities 377,411 — — 377,411 Servicer advance investments 350,923 — — 350,923 MSRs 12,438 — — 12,438 Excess MSRs 44,231 — — 44,231 HEIs 192,740 — — 192,740 Other investments 17,574 — — 17,574 Derivative assets 26,467 2,906 18,928 4,633 FHLBC stock 10 — 10 — Liabilities Derivative liabilities $ 3,317 $ 1,563 $ 1,251 $ 503 ABS issued 8,843,147 — — 8,843,147 December 31, 2020 Carrying Fair Value Measurements Using (In Thousands) Level 1 Level 2 Level 3 Assets Residential loans $ 4,249,014 $ — $ — $ 4,249,014 Business purpose loans 4,136,353 — — 4,136,353 Multifamily loans 492,221 — — 492,221 Real estate securities 344,125 — — 344,125 Servicer advance investments 231,489 — — 231,489 MSRs 8,815 — — 8,815 Excess MSRs 34,418 — — 34,418 HEIs 42,440 — — 42,440 Derivative assets 53,238 18,260 19,951 15,027 Pledged collateral 1,177 1,177 — — FHLBC stock 5,000 — 5,000 — Liabilities Derivative liabilities 16,072 15,495 — 577 ABS issued 6,900,362 — — 6,900,362
Changes in Level 3 Assets and Liabilities Measured at Fair Value on Recurring Basis	The following table presents additional information about Level 3 assets and liabilities measured at fair value on a recurring basis for the years ended December 31, 2021 and 2020. Table 5.3 – Changes in Level 3 Assets and Liabilities Measured at Fair Value on a Recurring Basis Assets Residential Loans Business Multifamily Trading Securities AFS Servicer Advance Investments Excess MSRs HEIs MSRs and Other Investments (In Thousands) Beginning balance - December 31, 2020 $ 4,249,014 $ 4,136,353 $ 492,221 $ 125,667 $ 218,458 $ 231,489 $ 34,418 $ 42,440 $ 27,662 Acquisitions 13,139,907 136,685 — 58,917 19,100 196,583 17,830 155,023 15,215 Originations — 2,150,539 — — — — — — — Sales (8,449,328) (211,113) — (34,802) (4,785) — — — — Principal paydowns (1,360,649) (1,307,566) (7,639) (2,713) (57,953) (76,223) — (19,395) (14,751) Gains (losses) in net income (loss), net 16,688 (77,357) (11,068) 23,550 40,735 (926) (8,017) 13,774 (2,846) Unrealized losses in OCI, net — — — — (8,763) — — — — Other settlements, net (1) (3,234) (36,552) — — — — — 898 (179) Ending balance - December 31, 2021 $ 7,592,398 $ 4,790,989 $ 473,514 $ 170,619 $ 206,792 $ 350,923 $ 44,231 $ 192,740 $ 25,101 Table 5.3 – Changes in Level 3 Assets and Liabilities Measured at Fair Value on a Recurring Basis (continued) Liabilities Derivatives (2) Point HEI Non-Controlling Interest ABS (In Thousands) Beginning balance - December 31, 2020 $ 14,450 — $ 6,900,362 Acquisitions — 16,639 4,202,070 Principal paydowns — — (1,922,313) Gains (losses) in net income (loss), net 10,437 396 (336,972) Other settlements, net (1) (20,757) — — Ending balance - December 31, 2021 $ 4,130 $ 17,035 $ 8,843,147 Assets (In Thousands) Residential Business Purpose Loans Multifamily Loans Trading AFS Servicer Advance Investments Excess MSRs MSRs and Other Investments Beginning balance - December 31, 2019 $ 7,714,745 $ 3,506,743 $ 4,408,524 $ 860,540 $ 239,334 $ 169,204 $ 31,814 $ 45,085 $ 67,313 Acquisitions 4,483,473 — — 108,249 57,652 179,419 10,906 3,517 450 Originations — 1,431,251 — — — — — — — Sales (6,262,958) (135,800) — (603,529) (55,192) — — — — Principal paydowns (1,552,171) (753,026) (7,703) (8,687) (17,924) (107,527) — (4,278) (5,843) Deconsolidations — — (3,849,779) — — — — — — Gains (losses) in net income, net (132,307) 99,590 (58,821) (230,906) 10,792 (9,607) (8,302) (1,884) (34,258) Unrealized gains in OCI, net — — — — (16,204) — — — — Other settlements, net (1) (1,768) (12,405) — — — — — — — Ending balance - December 31, 2020 $ 4,249,014 $ 4,136,353 $ 492,221 $ 125,667 $ 218,458 $ 231,489 $ 34,418 $ 42,440 $ 27,662 Liabilities (In Thousands) Derivatives (2) Contingent Consideration ABS Beginning balance - December 31, 2019 $ 8,860 $ 28,484 $ 10,515,475 Acquisitions — — 1,478,589 Principal paydowns — (13,353) (1,487,958) Deconsolidations — — (3,706,789) Gains (losses) in net income, net 56,972 (446) 101,045 Other settlements, net (1) (51,382) (14,685) — Ending balance - December 31, 2020 $ 14,450 $ — $ 6,900,362 (1) Other settlements, net for residential and business purpose loans represents the transfer of loans to REO, and for derivatives, the settlement of forward sale commitments and the transfer of the fair value of loan purchase or interest rate lock commitments at the time loans are acquired to the basis of residential and single-family rental loans. Other settlements, net for contingent consideration reflects the reclassification from a contingent liability to a deferred liability during the period due to an amendment in the underlying agreement. See Note 16 for further discussion. Other settlements, net for trading securities relates to the consolidation of Freddie Mac K-Series securitization entities. (2) For the purpose of this presentation, derivative assets and liabilities, which consist of loan purchase commitments, forward sale commitments, and interest rate lock commitments, are presented on a net basis.
Portion of Net Gains (Losses) Attributable to Level 3 Assets and Liabilities Still Held and Included in Net Income	The following table presents the portion of gains or losses included in our consolidated statements of income (loss) that were attributable to Level 3 assets and liabilities recorded at fair value on a recurring basis and held at December 31, 2021, 2020, and 2019. Gains or losses incurred on assets or liabilities sold, matured, called, or fully written down during the years ended December 31, 2021, 2020, and 2019 are not included in this presentation. Table 5.4 – Portion of Net Gains (Losses) Attributable to Level 3 Assets and Liabilities Still Held at December 31, 2021, 2020, and 2019 Included in Net Income Included in Net Income Years Ended December 31, (In Thousands) 2021 2020 2019 Assets Residential loans at Redwood $ 5,886 $ 1,138 $ 67,470 Business purpose loans 9,444 9,420 14,603 Net investments in consolidated Sequoia entities (1) 12,455 (14,646) 4,529 Net investments in consolidated Freddie Mac SLST entities (1) 62,124 (21,220) 27,225 Net investments in consolidated Freddie Mac K-Series entities (1) 11,599 (9,309) 21,430 Net investments in consolidated CAFL SFR entities (1) 8,198 (37,062) (14,681) Net investments in consolidated Point HEI entity (1) 614 — — Trading securities 738 (83,327) 18,865 Available-for-sale securities — (388) — Servicer advance investments (926) (8,902) 3,001 MSRs 629 (17,545) (11,957) Excess MSRs (8,017) (8,302) (3,260) HEIs at Redwood 212 (1,884) 842 Loan purchase and interest rate lock commitments 4,633 15,027 10,190 Liabilities Non-controlling interest in consolidated Point HEI entity $ (396) $ — $ — Loan purchase commitments (503) $ (577) $ (1,290) Contingent consideration — — (3,217) (1) Represents the portion of net gains or losses included in our consolidated statements of income (loss) related to loans and the associated ABS issued at our consolidated securitization entities held at December 31, 2021, 2020, and 2019, which netted together represent the change in value of our investments at the consolidated VIEs. The net gain attributable for the Point HEI entity excludes valuation change in the non-controlling interest in consolidated Point HEI entity, which is separately shown in Table 5.4 above.
Assets and Liabilities Measured at Fair Value on Non-Recurring Basis	The following table presents information on assets recorded at fair value on a non-recurring basis at December 31, 2021 and 2020. This table does not include the carrying value and gains or losses associated with the asset types below that were not recorded at fair value on our consolidated balance sheets at December 31, 2021 and 2020. Table 5.5 – Assets and Liabilities Measured at Fair Value on a Non-Recurring Basis Gain (Loss) for December 31, 2021 Carrying Fair Value Measurements Using (In Thousands) Level 1 Level 2 Level 3 December 31, 2021 Assets REO $ 588 $ — $ — $ 588 $ (217) Gain (Loss) for December 31, 2020 Carrying Fair Value Measurements Using (In Thousands) Level 1 Level 2 Level 3 December 31, 2020 Assets REO $ 1,117 $ — $ — $ 1,117 $ (157)
Market Valuation Adjustments	The following table presents the net market valuation gains and losses recorded in each line item of our consolidated statements of income (loss) for the years ended December 31, 2021, 2020, and 2019. Table 5.6 – Market Valuation Gains and Losses, Net Years Ended December 31, (In Thousands) 2021 2020 2019 Mortgage Banking Activities, Net Residential loans held-for-sale, at fair value $ 73,332 $ (15,477) $ 3,267 Residential loan purchase and forward sale commitments 10,401 56,761 60,260 Single-family rental loans held-for-sale, at fair value 63,206 82,169 15,043 Single-family rental loan purchase and interest rate lock commitments 666 341 1,961 Bridge loans 8,253 (4,998) 4,518 Trading securities (1) (352) (4,535) — Risk management derivatives, net 41,060 (47,779) (15,723) Total mortgage banking activities, net (2) $ 196,566 $ 66,482 $ 69,326 Investment Fair Value Changes, Net Residential loans held-for-investment at Redwood $ 2,812 $ (93,314) $ 58,891 Single-family rental loans held-for-investment — (20,806) 272 Bridge loans held-for-investment (65) (10,629) (2,139) Trading securities 23,935 (226,196) 56,046 Servicer advance investments (925) (8,901) 3,001 Excess MSRs (8,017) (8,302) (3,260) Net investments in Legacy Sequoia entities (3) (1,558) (1,513) (1,545) Net investments in Sequoia entities (3) 14,176 (13,244) 6,947 Net investments in Freddie Mac SLST entities (3) 62,374 (21,160) 27,206 Net investments in Freddie Mac K-Series entities (3) 11,599 (81,039) 21,430 Net investments in CAFL entities (3) 10,271 (36,754) (3,636) Net investments in Point HEI entities (3) 218 — — HEIs at Redwood 13,207 (1,883) — Other investments (366) (5,167) (544) Risk management derivatives, net — (59,142) (127,169) Change in allowance for credit losses on AFS securities 388 (388) — Total investment fair value changes, net $ 128,049 $ (588,438) $ 35,500 Other Income MSRs $ (3,182) $ (33,409) $ (18,856) Risk management derivatives, net — 13,966 8,595 Gain on re-measurement of 5 Arches investment — — 2,441 Total other income (4) $ (3,182) $ (19,443) $ (7,820) Total Market Valuation (Losses) Gains, Net $ 321,433 $ (541,399) $ 97,006 (1) Represents fair value changes on trading securities that are being used along with risk management derivatives to manage the mark-to-market risks associated with our residential mortgage banking operations. (2) Mortgage banking activities, net presented above does not include fee income from loan originations or acquisitions, provisions for repurchases expense, and other expenses that are components of Mortgage banking activities, net presented on our consolidated statements of income (loss), as these amounts do not represent market valuation changes. (3) Includes changes in fair value of the residential loans held-for-investment, REO and the ABS issued at the entities, which netted together represent the change in value of our investments at the consolidated VIEs.
Quantitative Information about Significant Unobservable Inputs Used in Valuation of Level 3 Assets and Liabilities Measured at Fair Value	The following table provides quantitative information about the significant unobservable inputs used in the valuation of our Level 3 assets and liabilities measured at fair value. Table 5.7 – Fair Value Methodology for Level 3 Financial Instruments December 31, 2021 Fair Input Values (Dollars in Thousands, except Input Values) Unobservable Input Range Weighted Average (1) Assets Residential loans, at fair value: Jumbo fixed-rate loans $ 1,200,322 Prepayment rate (annual CPR) 20 - 20 % 20 % Whole loan spread to TBA price $ 2.56 - $ 2.56 $ 2.56 Whole loan spread to swap rate 185 - 185 bps 185 bps Called loan dollar price $ 102 - $ 102 $ 102 Jumbo loans committed to sell 644,926 Whole loan committed sales price $ 101.91 - $ 102.58 $ 102.19 Loans held by Legacy Sequoia (2) 230,455 Liability price N/A N/A Loans held by Sequoia (2) 3,628,465 Liability price N/A N/A Loans held by Freddie Mac SLST (2) 1,888,230 Liability price N/A N/A Business purpose loans: Single-family rental loans 358,309 Senior credit spread 85 - 110 bps 91 bps Subordinate credit spread 125 - 1,517 bps 362 bps Senior credit support 36 - 36 % 36 % IO discount rate 8 - 14 % 9 % Prepayment rate (annual CPR) 3 - 3 % 3 % Non-securitizable loan dollar price $ 78 - $ 103 $ 99 Single-family rental loans held by CAFL 3,488,074 Liability price N/A N/A Bridge loans 944,606 Discount rate 4 - 15 % 6 % Multifamily loans held by Freddie Mac K-Series (2) 473,514 Liability price N/A N/A Trading and AFS securities 377,411 Discount rate 2 - 47 % 7 % Prepayment rate (annual CPR) 7 - 50 % 26 % Default rate — - 27 % 4 % Loss severity — - 50 % 24 % CRT dollar price $ 96 - $ 112 $ 103 Servicer advance investments 350,923 Discount rate 2 - 4 % 3 % Prepayment rate (annual CPR) 17 - 30 % 18 % Expected remaining life (3) 4 - 5 yrs 5 yrs Mortgage servicing income 2 - 18 bps 11 bps MSRs 12,438 Discount rate 12 - 15 % 13 % Prepayment rate (annual CPR) 6 - 79 % 24 % Per loan annual cost to service $ 95 - $ 95 $ 95 Excess MSRs 44,231 Discount rate 13 - 19 % 17 % Prepayment rate (annual CPR) 19 - 31 % 22 % Excess mortgage servicing amount 9 - 17 bps 11 bps Table 5.7 – Fair Value Methodology for Level 3 Financial Instruments (continued) December 31, 2021 Fair Input Values (Dollars in Thousands, except Input Values) Unobservable Input Range Weighted Assets (continued) Shared Home Appreciation Options $ 33,187 Discount rate 10 - 10 % 10 % Prepayment rate (annual CPR) 1 - 24 % 17 % Home Price Appreciation 3 - 4 % 3 % HEIs held by Point HEI entity $ 159,553 Liability price N/A N/A REO 588 Loss severity 9 - 100 % 17 % Residential loan purchase commitments, net 3,464 Prepayment rate (annual CPR) 20 - 20 % 20 % Whole loan spread to TBA price $ 2.56 - $ 2.56 $ 2.56 Whole loan spread to swap rate 185 - 185 bps 185 bps Pull-through rate 7 - 100 % 69 % Committed sales price $ 101.97 - $ 102.62 $ 102.07 Single-family rental interest rate lock commitments 666 Senior credit spread 85 - 85 bps 85 bps Subordinate credit spread 125 - 1,517 bps 450 bps Senior credit support 30 - 30 % 30 % IO discount rate 8 - 8 % 8 % Prepayment rate (annual CPR) 3 - 3 % 3 % Pull-through rate 100 100 % 100 % Liabilities ABS issued (2) At consolidated Sequoia entities 3,610,929 Discount rate 1 - 18 % 4 % Prepayment rate (annual CPR) 7 - 50 % 28 % Default rate — - 37 % 1 % Loss severity 25 - 50 % 32 % At consolidated CAFL SFR entities (4) 3,207,444 Discount rate 1 - 12 % 3 % Prepayment rate (annual CPR) 3 - 3 % 3 % Default rate 5 - 20 % 8 % Loss severity 30 - 30 % 30 % At consolidated Freddie Mac SLST entities 1,445,507 Discount rate 2 - 7 % 3 % Prepayment rate (annual CPR) 6 - 8 % 6 % Default rate 9 - 10 % 9 % Loss severity 35 - 35 % 35 % At consolidated Freddie Mac K-Series entities (4) 441,857 Discount rate 1 - 8 % 2 % At consolidated Point HEI entities (4) 137,410 Discount rate 4 - 15 % 5 % Prepayment rate (annual CPR) 20 - 20 % 20 % Default rate 6 - 6 % 6 % Loss severity 25 - 25 % 25 % Home price appreciation 3 - 4 % 3 % Footnotes to Table 5.7 (1) The weighted average input values for all loan types are based on the unpaid principal balance. The weighted average input values for all other assets and liabilities are based on relative fair value. (2) The fair value of the loans held by consolidated entities was based on the fair value of the ABS issued by these entities, including securities we own, which we determined were more readily observable, in accordance with accounting guidance for collateralized financing entities. At December 31, 2021, the fair value of securities we owned at the consolidated Sequoia, CAFL SFR, Freddie Mac SLST, Freddie Mac K-Series, and Point HEI entities was $248 million, $302 million, $445 million, $32 million, and $10 million, respectively. (3) Represents the estimated average duration of outstanding servicer advances at a given point in time (not taking into account new advances made with respect to the pool).

Residential Loans (Tables)

Residential Loans (Tables)	12 Months Ended
	Dec. 31, 2021
Receivables [Abstract]
Summary of Classifications and Carrying Value of Loans	The following table summarizes the classifications and carrying values of the residential loans owned at Redwood and at consolidated Sequoia and Freddie Mac SLST entities at December 31, 2021 and 2020. Table 6.1 – Classifications and Carrying Values of Residential Loans December 31, 2021 Legacy Sequoia Freddie Mac (In Thousands) Redwood Sequoia SLST Total Held-for-sale at fair value $ 1,845,282 $ — $ — $ — $ 1,845,282 Held-for-investment at fair value — 230,455 3,628,465 1,888,230 5,747,150 Total Residential Loans $ 1,845,282 $ 230,455 $ 3,628,465 $ 1,888,230 $ 7,592,432 December 31, 2020 Legacy Sequoia Freddie Mac (In Thousands) Redwood Sequoia SLST Total Held-for-sale at fair value $ 176,641 $ — $ — $ — $ 176,641 Held-for-investment at fair value — 285,935 1,565,322 2,221,153 4,072,410 Total Residential Loans $ 176,641 $ 285,935 $ 1,565,322 $ 2,221,153 $ 4,249,051 Table 7.1 – Classifications and Carrying Values of Business Purpose Loans December 31, 2021 Single-Family Rental Bridge (In Thousands) Redwood CAFL Redwood CAFL Total Held-for-sale at fair value $ 358,309 $ — $ — $ — $ 358,309 Held-for-investment at fair value — 3,488,074 666,364 278,242 4,432,680 Total Business Purpose Loans $ 358,309 $ 3,488,074 $ 666,364 $ 278,242 $ 4,790,989 December 31, 2020 Single-Family Rental Single-Family Rental (In Thousands) Redwood CAFL Redwood CAFL Total Held-for-sale at fair value $ 245,394 $ — $ — $ — $ 245,394 Held-for-investment at fair value — 3,249,194 641,765 — 3,890,959 Total Business Purpose Loans $ 245,394 $ 3,249,194 $ 641,765 $ — $ 4,136,353 The following table provides the activity of business purpose loans during the years ended December 31, 2021 and 2020. Table 7.2 – Activity of Business Purpose Loans Twelve Months Ended Twelve Months Ended (In Thousands) HFS SFR at Redwood Bridge at Redwood HFS SFR at Redwood Bridge at Redwood Principal balance of loans originated $ 1,254,913 $ 894,908 $ 979,696 $ 451,554 Principal balance of loans acquired 68,804 65,315 — — Principal balance of loans sold to third parties 193,963 9,484 110,836 25,151 Fair value of loans transferred (1) 1,116,443 358,884 1,292,633 N/A Fair value of loans transferred from HFI to HFS (2) 92,455 — — N/A Mortgage banking activities income (loss) recorded (3) 63,206 7,187 81,032 (2,916) Investment fair value changes recorded (4) — 1,483 (20,806) (10,629) (1) Represents the transfer of loans from held-for-sale to held-for-investment associated with CAFL SFR securitizations and the transfer of bridge loans from "Bridge at Redwood" to "Bridge at CAFL" resulting from their securitization. (2) Represents the transfer of single-family rental loans from held-for-investment to held-for-sale associated with the call of consolidated CAFL securitizations during 2021. (3) Represents net market valuation changes from the time a loan is originated to when it is sold or transferred to our investment portfolio. Additionally, for the year ended December 31, 2021 and 2020 we recorded loan origination fee income of $34 million and $19 million, respectively, through Mortgage banking activities, net on our consolidated statements of income (loss). (4) Represents net market valuation changes for loans classified as held-for-investment. Table 7.3 – Activity of Business Purpose Loans Held-for-Investment at CAFL Year Ended Year Ended (In Thousands) SFR at Bridge at CAFL SFR at Bridge at CAFL Net market valuation gains (losses) recorded (1) $ (158,081) $ (1,548) $ 32,331 $ — (1) For loans held at our consolidated CAFL entities, market value changes are based on the estimated fair value of the associated ABS issued, including securities we own, pursuant to collateralized financing entity guidelines. The net impact to our income statement associated with our economic investments in these securitization entities is presented in Table 4.2 . The following tables summarize the characteristics of the business purpose loans owned at Redwood at December 31, 2021 and 2020. Table 7.4 – Characteristics of Business Purpose Loans December 31, 2021 SFR at Redwood SFR at Bridge at Redwood Bridge at CAFL (Dollars in Thousands) Number of loans 245 1,173 1,134 1,640 Unpaid principal balance $ 348,232 $ 3,340,949 $ 670,392 $ 274,617 Fair value of loans $ 358,309 $ 3,488,074 $ 666,364 $ 278,242 Weighted average coupon 4.73 % 5.17 % 6.91 % 7.05 % Weighted average remaining loan term (years) 12 6 1 1 Market value of loans pledged as collateral under short-term debt facilities $ 75,873 N/A $ 91,814 N/A Market value of loans pledged as collateral under long-term debt facilities $ 244,703 N/A $ 554,597 N/A Delinquency information Number of loans with 90+ day delinquencies (1) 6 18 31 — Unpaid principal balance of loans with 90+ day delinquencies $ 5,384 $ 41,998 $ 18,032 $ — Fair value of loans with 90+ day delinquencies (2) $ 4,238 N/A $ 14,218 $ — Number of loans in foreclosure 7 9 28 — Unpaid principal balance of loans in foreclosure $ 5,473 $ 12,648 $ 18,043 $ — Fair value of loans in foreclosure (2) $ 4,305 N/A $ 14,257 $ — December 31, 2020 SFR at Redwood SFR at Bridge at Redwood Bridge at CAFL (Dollars in Thousands) Number of loans 65 1,094 1,725 — Unpaid principal balance $ 234,475 $ 3,017,137 $ 649,532 $ — Fair value of loans $ 245,394 $ 3,249,194 $ 641,765 $ — Weighted average coupon 4.84 % 5.44 % 8.09 % — % Weighted average remaining loan term (years) 8 5 1 — Market value of loans pledged as collateral under short-term debt facilities $ 34,098 N/A $ 92,931 N/A Market value of loans pledged as collateral under long-term debt facilities $ 154,774 N/A $ 544,151 N/A Delinquency information Number of loans with 90+ day delinquencies (1) 10 22 31 — Unpaid principal balance of loans with 90+ day delinquencies $ 7,127 $ 61,440 $ 39,415 $ — Fair value of loans with 90+ day delinquencies (2) $ 6,143 N/A $ 33,605 $ — Number of loans in foreclosure — 10 25 — Unpaid principal balance of loans in foreclosure $ — $ 24,745 $ 38,552 $ — Fair value of loans in foreclosure (2) $ — N/A $ 33,066 $ — Footnotes to Table 7.4 (1) The number of loans greater than 90 days delinquent includes loans in foreclosure. (2) The fair value of the loans held by consolidated entities was based on the fair value of the ABS issued by these entities, including securities we own, which we determined were more readily observable, in accordance with accounting guidance for collateralized financing entities.
Characteristics of Residential Loans Held-For-Sale	The following table summarizes the characteristics of residential loans held-for-sale at December 31, 2021 and 2020. Table 6.2 – Characteristics of Residential Loans Held-for-Sale (Dollars in Thousands) December 31, 2021 December 31, 2020 Number of loans 2,196 198 Unpaid principal balance $ 1,813,865 $ 172,748 Fair value of loans $ 1,845,282 $ 176,641 Market value of loans pledged as collateral under short-term borrowing agreements $ 1,838,797 $ 156,355 Weighted average coupon 3.27 % 3.14 % Delinquency information Number of loans with 90+ day delinquencies 3 1 Unpaid principal balance of loans with 90+ day delinquencies $ 2,923 $ 1,882 Fair value of loans with 90+ day delinquencies $ 2,304 $ 1,223 Number of loans in foreclosure — —
Activity of Residential Loans Held-for-Sale	The following table provides the activity of residential loans held-for-sale during the years ended December 31, 2021 and 2020. Table 6.3 – Activity of Residential Loans Held-for-Sale Year Ended December 31, (In Thousands) 2021 2020 Principal balance of loans acquired (1) $ 12,916,155 $ 4,374,201 Principal balance of loans sold 8,244,221 6,463,741 Principal balance of loans transferred to HFI 2,957,694 274,048 Net market valuation gains (losses) recorded (2) 76,144 (15,477) (1) Includes $200 million of loans acquired through calls of seven seasoned Sequoia securitizations. (2) Net market valuation gains (losses) on residential loans held-for-sale are recorded primarily through Mortgage banking activities, net on our consolidated statements of income (loss).
Characteristics of Residential Loans Held-for-Investment	The following tables summarize the characteristics of the residential loans owned at Redwood and at consolidated Sequoia and Freddie Mac SLST entities at December 31, 2021 and 2020. Table 6.4 – Characteristics of Residential Loans Held-for-Investment December 31, 2021 Legacy Sequoia Freddie Mac (Dollars in Thousands) Sequoia SLST Number of loans 1,583 4,300 11,986 Unpaid principal balance $ 264,057 $ 3,605,469 $ 1,932,241 Fair value of loans $ 230,455 $ 3,628,465 $ 1,888,230 Weighted average coupon 1.54 % 3.14 % 4.51 % Delinquency information Number of loans with 90+ day delinquencies (1) 32 18 1,208 Unpaid principal balance of loans with 90+ day delinquencies $ 7,482 $ 15,124 $ 212,961 Fair value of loans with 90+ day delinquencies (2) N/A N/A N/A Number of loans in foreclosure 10 2 241 Unpaid principal balance of loans in foreclosure $ 2,188 $ 1,624 $ 43,637 December 31, 2020 Legacy Sequoia Freddie Mac (Dollars in Thousands) Sequoia SLST Number of loans 1,908 2,177 13,605 Unpaid principal balance $ 333,474 $ 1,550,454 $ 2,247,771 Fair value of loans $ 285,935 $ 1,565,322 $ 2,221,153 Weighted average coupon 1.67 % 4.64 % 4.52 % Delinquency information Number of loans with 90+ day delinquencies (1) 52 94 2,110 Unpaid principal balance of loans with 90+ day delinquencies $ 17,285 $ 74,742 $ 389,245 Fair value of loans with 90+ day delinquencies (2) N/A N/A N/A Number of loans in foreclosure 21 3 245 Unpaid principal balance of loans in foreclosure $ 4,939 $ 2,251 $ 38,610 (1) For loans held at consolidated entities, the number of loans greater than 90 days delinquent includes loans in foreclosure. (2) The fair value of the loans held by consolidated entities was based on the fair value of the ABS issued by these entities, including securities we own, which we determined were more readily observable, in accordance with accounting guidance for collateralized financing entities.
Quarterly Activity of Residential Loans Held-for-Investment	The following table provides the activity of residential loans held-for-investment at Redwood during the years ended December 31, 2021 and 2020. Table 6.5 – Activity of Residential Loans Held-for-Investment at Redwood Year Ended December 31, (In Thousands) 2021 2020 Fair value of loans transferred from HFS to HFI $ — $ 13,258 Fair value of loans transferred from HFI to HFS — 1,870,986 Net market valuation gains (losses) recorded (1) — (93,314) (1) Subsequent to the transfer of these loans to our investment portfolio, net market valuation gains (losses) on residential loans held-for-investment at Redwood are recorded through Investment fair value changes, net on our consolidated statements of income (loss). The following table provides the activity of residential loans held-for-investment at consolidated entities during the years ended December 31, 2021 and 2020. Table 6.6 – Activity of Residential Loans Held-for-Investment at Consolidated Entities Year Ended December 31, 2021 Year Ended December 31, 2020 Legacy Sequoia Freddie Mac Legacy Sequoia Freddie Mac (In Thousands) Sequoia SLST Sequoia SLST Fair value of loans transferred from HFS to HFI (1) N/A $ 3,035,100 N/A N/A $ 270,506 N/A Net market valuation gains (losses) recorded (2) $ 12,125 $ (66,727) $ (14,735) $ (30,900) $ (30,356) $ 35,131 (1) Represents the transfer of loans from held-for-sale to held-for-investment associated with Sequoia securitizations. (2) For loans held at our consolidated Legacy Sequoia, Sequoia, and Freddie Mac SLST entities, market value changes are based on the estimated fair value of the associated ABS issued, pursuant to collateralized financing entity guidelines. The net impact to our income statement associated with our economic investments in these securitization entities is presented in Table 5.6 .
Geographic Concentration of Loans Recorded on Consolidated Balance Sheet	The following table presents the geographic concentration of residential loans recorded on our consolidated balance sheets at December 31, 2021 and 2020. Table 6.7 – Geographic Concentration of Residential Loans December 31, 2021 Geographic Concentration Held-for-Sale Held-for- Held-for- Held-for-Investment at Freddie Mac SLST California 29 % 18 % 35 % 14 % Texas 11 % 5 % 12 % 3 % Washington 8 % 1 % 5 % 2 % Colorado 7 % 2 % 6 % 1 % Florida 6 % 14 % 4 % 10 % Arizona 5 % 1 % 3 % 2 % New York 2 % 11 % 2 % 10 % New Jersey 1 % 5 % 1 % 7 % Illinois 2 % 3 % 4 % 5 % Maryland 1 % 2 % 2 % 5 % Ohio — % 5 % — % 2 % Other states (none greater than 5%) 28 % 33 % 26 % 39 % Total 100 % 100 % 100 % 100 % December 31, 2020 Geographic Concentration Held-for-Sale Held-for- Held-for- Held-for-Investment at Freddie Mac SLST California 43 % 17 % 34 % 14 % Washington 7 % 1 % 5 % 2 % Texas 10 % 5 % 10 % 3 % Colorado 5 % 3 % 3 % 1 % Florida 3 % 14 % 6 % 10 % Illinois 3 % 3 % 2 % 5 % Maryland 2 % 2 % 1 % 5 % New Jersey 1 % 5 % 2 % 7 % New York 1 % 10 % 5 % 10 % Ohio — % 5 % — % 2 % Other states (none greater than 5%) 25 % 35 % 32 % 41 % Total 100 % 100 % 100 % 100 % The following table presents the geographic concentration of business purpose loans recorded on our consolidated balance sheets at December 31, 2021. Table 7.5 – Geographic Concentration of Business Purpose Loans December 31, 2021 Geographic Concentration SFR at Redwood SFR at CAFL Bridge at Redwood Bridge at CAFL Florida 15 % 7 % 10 % 17 % Texas 11 % 15 % 7 % 13 % Alabama 11 % 3 % 9 % 3 % Connecticut 9 % 6 % 4 % 3 % New Jersey 7 % 8 % 9 % 12 % New York 2 % 2 % 2 % 9 % Georgia 5 % 5 % 20 % 7 % California 5 % 5 % 3 % 5 % Illinois 2 % 5 % 4 % 4 % Tennessee — % 3 % 11 % 2 % Other states (none greater than 5%) 33 % 41 % 21 % 25 % Total 100 % 100 % 100 % 100 % December 31, 2020 Geographic Concentration SFR at Redwood SFR at CAFL Bridge at Redwood Bridge at CAFL Texas 24 % 15 % 4 % — % New Jersey 17 % 11 % 9 % — % Georgia 12 % 5 % 8 % — % Florida 10 % 8 % 11 % — % Connecticut 8 % 4 % 1 % — % New York 5 % 1 % 8 % — % Arizona 5 % 2 % 1 % — % California 5 % 5 % 13 % — % Illinois 5 % 4 % 7 % — % Alabama 2 % 3 % 6 % — % Indiana 2 % 3 % 5 % — % Tennessee — % 3 % 6 % — % Other states (none greater than 5%) 5 % 36 % 21 % — % Total 100 % 100 % 100 % — % The following table presents the geographic concentration of multifamily loans recorded on our consolidated balance sheets at December 31, 2021. Table 8.3 – Geographic Concentration of Multifamily Loans Geographic Concentration December 31, 2021 December 31, 2020 California 13 % 13 % Florida 13 % 13 % North Carolina 9 % 9 % Oregon 7 % 7 % Hawaii 5 % 5 % Tennessee 5 % 5 % Other states (none greater than 5%) 48 % 48 % Total 100 % 100 %
Loan Product Type and Accompanying Loan Characteristics of Loans	T he following table displays the loan product type and accompanying loan characteristics of residential loans recorded on our consolidated balance sheets at December 31, 2021 and 2020. Table 6.8 – Product Types and Characteristics of Residential Loans December 31, 2021 (In Thousands) Loan Balance Number of Interest Rate (1) Maturity Total 30-89 90+ Held-for-Sale: Hybrid ARM loans $ — to $250 1 1.88 % to 1.88% 2032-11 - 2032-11 $ 45 $ — $ — $ 251 to $500 4 3.25 % to 3.50% 2042-08 - 2042-09 1,880 — — $ 501 to $750 18 2.38 % to 3.63% 2042-04 - 2052-01 11,872 — — $ 751 to $1,000 14 2.50 % to 4.00% 2042-06 - 2052-01 12,288 — — over $1,000 20 2.38 % to 3.88% 2042-01 - 2052-01 25,308 — — 57 51,393 — — Fixed loans $ — to $250 63 3.13 % to 5.00% 2026-04 - 2051-12 11,118 — — $ 251 to $500 133 2.75 % to 5.50% 2026-12 - 2051-11 51,737 — — $ 501 to $750 790 2.50 % to 5.88% 2026-12 - 2052-01 514,785 — 1,093 $ 751 to $1,000 735 2.63 % to 5.63% 2041-07 - 2052-.01 642,372 — — over $1,000 418 2.50 % to 4.75% 2041-10 - 2052-.01 542,460 — 1,830 2,139 1,762,472 — 2,923 Total Held-for-Sale 2,196 $ 1,813,865 $ — $ 2,923 Held-for-Investment at Legacy Sequoia: ARM loans: $ — to $250 1,273 0.38 % to 5.63% 2022-01 - 2035-11 $ 115,437 $ 3,189 $ 2,691 $ 251 to $500 206 0.75 % to 3.88% 2024-05 - 2035-11 71,306 2,831 2,124 $ 501 to $750 68 0.25 % to 4.13% 2027-05 - 2035-07 42,128 555 1,842 $ 751 to $1,000 15 0.75 % to 3.75% 2028-03 - 2036-03 12,868 1,811 825 over $1,000 12 0.88 % to 2.00% 2028-06 - 2035-04 18,668 1,175 — 1,574 260,407 9,561 7,482 Hybrid ARM loans: $ — to $250 3 2.63 % to 2.63% 2033-09 - 2033-10 650 — — $ 251 to $500 4 2.50 % to 2.63% 2033-07 - 2034-03 1,341 — — $ 501 to $750 1 2.50 % to 2.50% 2033-08 - 2033-08 518 — — over $1,000 1 2.63 % to 2.63% 2033-09 - 2033-09 1,140 — — 9 3,649 — — Total HFI at Legacy Sequoia: 1,583 $ 264,056 $ 9,561 $ 7,482 Table 6.8 – Product Types and Characteristics of Residential Loans (continued) December 31, 2021 (In Thousands) Loan Balance Number of Interest Rate (1) Maturity Total 30-89 90+ Held-for-Investment at Sequoia: Hybrid ARM loans $ — to $250 2 5.50 % to 6.75% 2048-03 - 2048-09 $ 397 $ 191 $ — $ 251 to $500 3 3.25 % to 3.63% 2047-04 - 2049-06 1,354 — — $ 501 to $750 8 3.38 % to 4.50% 2044-04 - 2049-08 5,321 — — $ 751 to $1,000 8 3.13 % to 5.00% 2047-06 - 2049-08 6,659 — — over $1,000 7 3.50 % to 5.00% 2044-11 - 2050-01 8,934 — — 28 22,665 191 — Fixed loans: $ — to $250 43 2.75 % to 5.13% 2029-04 - 2051-06 $ 8,630 $ — $ — $ 251 to $500 162 2.50 % to 6.13% 2033-06 - 2051-09 69,442 2,390 462 $ 501 to $750 1,691 2.13 % to 6.75% 2031-04 - 2051-12 1,093,766 10,894 3,498 $ 751 to $1,000 1,497 2.13 % to 6.25% 2036-12 - 2051-11 1,311,640 9,477 4,931 over $1,000 879 1.88 % to 5.88% 2036-07 - 2051-11 1,099,328 8,508 6,233 4,272 3,582,806 31,269 15,124 4,300 $ 3,605,471 $ 31,460 $ 15,124 Held-for-Investment at Freddie Mac SLST: Fixed loans: $ — to $250 9,798 2.00 % to 11.00% 2021-12 2061-10 $ 1,224,173 $ 222,541 $ 114,622 $ 251 to $500 2,141 2.00 % to 7.75% 2035-08 2059-08 681,885 114,360 91,149 $ 501 to $750 46 2.00 % to 5.88% 2043-08 2059-01 25,165 3,127 7,190 over $1,000 1 4.00 % to 4.00% 2056-03 2056-03 1,018 1,018 — Total Held-for-Investment 11,986 $ 1,932,241 $ 341,046 $ 212,961 Table 6.8 – Product Types and Characteristics of Residential Loans (continued) December 31, 2020 (In Thousands) Loan Balance Number of Interest Rate (1) Maturity Total 30-89 90+ Held-for-Sale: Hybrid ARM loans $ — to $250 1 2.00 % to 2.00% 2032-11 - 2032-11 $ 49 $ — $ — $ 751 to $1,000 1 4.38 % to 4.38% 2047-10 - 2047-10 970 970 — 2 1,019 970 — Fixed loans $ — to $250 1 4.69 % to 4.69% 2044-03 - 2044-03 219 219 — $ 251 to $500 — — % to —% 0 - 0 — — — $ 501 to $750 75 2.50 % to 5.50% 2045-12 - 2051-01 48,933 1,127 — $ 751 to $1,000 80 2.38 % to 4.63% 2050-04 - 2051-01 71,137 — — over $1,000 40 2.38 % to 5.00% 2040-11 - 2051-01 51,440 1,046 1,882 196 171,729 2,392 1,882 Held-for-Sale 198 $ 172,748 $ 3,362 $ 1,882 Held-for-Investment at Legacy Sequoia: ARM loans: $ — to $250 1,524 0.25 % to 5.63% 2020-10 - 2036-05 $ 146,100 $ 4,208 $ 3,966 $ 251 to $500 251 0.50 % to 4.13% 2024-05 - 2035-11 86,676 1,908 4,392 $ 501 to $750 79 0.25 % to 4.13% 2027-05 - 2035-01 48,437 714 1,192 $ 751 to $1,000 27 0.75 % to 3.75% 2028-03 - 2036-03 21,875 — 3,175 over $1,000 18 1.00 % to 2.38% 2028-05 - 2035-04 26,422 — 4,560 1,899 329,510 6,830 17,285 Hybrid ARM loans: $ — to $250 2 2.63 % to 2.63% 2033-09 - 2033-10 439 — — $ 251 to $500 5 2.63 % to 4.00% 2033-07 - 2034-03 1,748 410 — $ 501 to $750 1 2.75 % to 2.75% 2033-08 - 2033-08 556 — — over $1,000 1 2.63 % to 2.63% 2033-09 - 2033-09 1,221 — — 9 3,964 410 — Total HFI at Legacy Sequoia: 1,908 $ 333,474 $ 7,240 $ 17,285 Table 6.8 – Product Types and Characteristics of Residential Loans (continued) December 31, 2020 (In Thousands) Loan Balance Number of Interest Rate (1) Maturity Total 30-89 90+ Held-for-Investment at Sequoia: Hybrid ARM loans $ — to $250 3 5.50 % to 6.75% 2048-03 - 2048-10 $ 607 $ — $ — $ 251 to $500 5 3.50 % to 3.63% 2046-11 - 2049-06 2,196 440 — $ 501 to $750 19 3.25 % to 4.75% 2044-04 - 2049-09 12,214 682 671 $ 751 to $1,000 15 3.13 % to 5.00% 2043-12 - 2049-08 12,911 960 1,744 over $1,000 12 3.50 % to 5.00% 2044-11 - 2050-02 15,716 — — 54 43,644 2,082 2,415 Fixed loans: $ — to $250 48 2.75 % to 5.50 % 2029-04 - 2049-09 $ 9,508 $ — $ 191 $ 251 to $500 285 3.13 % to 6.13 % 2033-06 - 2050-03 122,327 4,728 2,225 $ 501 to $750 1,004 3 % to 6.75 % 2031-04 - 2050-04 617,488 15,214 24,842 $ 751 to $1,000 556 3.25 % to 6.50 % 2036-12 - 2050-04 478,938 10,482 21,155 over $1,000 230 3.15 % to 5.88 % 2036-07 - 2050-04 278,549 4,868 23,914 2,123 1,506,810 35,292 72,327 2,177 $ 1,550,454 $ 37,374 $ 74,742 Held-for-Investment at Freddie Mac SLST: Fixed loans: $ — to $250 11,007 2.00 % to 11.00% 2020-12 - 2059-10 $ 1,407,107 $ 283,745 $ 206,724 $ 251 to $500 2,545 2.00 % to 7.75% 2035-05 - 2059-01 811,191 143,195 172,995 $ 501 to $750 52 2.00 % to 6.75% 2043-08 - 2058-07 28,461 6,863 9,526 over $1,000 1 4.00 % to 4.00% 2056-03 - 2056-03 1,012 1,012 — Total HFI at Freddie Mac SLST: 13,605 $ 2,247,771 $ 434,815 $ 389,245 (1) Rate is net of servicing fee for consolidated loans for which we do not own the MSR. T he following table displays the loan product type and accompanying loan characteristics of business purpose loans recorded on our consolidated balance sheets at December 31, 2021. Table 7.6 – Product Types and Characteristics of Business Purpose Loans December 31, 2021 (In Thousands) Loan Balance Number of Interest Maturity Total 30-89 90+ SFR at Redwood: Fixed loans: $ — to $250 74 3.75 % to 7.75% 2048-11 - 2052-01 $ 11,515 $ 89 $ 171 $ 251 to $500 57 3.75 % to 6.50% 2026-01 - 2052-01 21,284 — — $ 501 to $750 28 3.75 % to 6.70% 2021-01 - 2052-01 16,773 — 536 $ 751 to $1,000 12 4.13 % to 5.43% 2026-12 - 2052-01 9,764 — — over $1,000 74 3.38 % to 7.15% 2020-01 - 2052-01 288,896 — 4,677 Total SFR at Redwood: 245 $ 348,232 $ 89 $ 5,384 SFR at CAFL: Fixed loans: $ — to $250 5 5.77 % to 6.80% 2023-01 - 2024-04 $ 398 $ 20 $ — $ 251 to $500 73 4.64 % to 7.03% 2022-02 - 2031-02 32,106 466 257 $ 501 to $750 199 4.00 % to 7.06% 2022-02 - 2031-10 123,685 717 1,224 $ 751 to $1,000 134 4.20 % to 7.23% 2022-03 - 2031-09 116,724 788 — over $1,000 762 3.81 % to 7.57% 2022-03 - 2030-10 3,068,036 26,481 40,518 Total SFR at CAFL: 1,173 $ 3,340,949 $ 28,472 $ 41,999 Bridge at Redwood Fixed Loans: $ — to $250 115 5.95 % to 12.00% 2019-08 - 2023-11 $ 12,850 $ 426 $ 1,493 $ 251 to $500 26 5.95 % to 10.00% 2020-05 - 2023-09 9,294 253 1,619 $ 501 to $750 13 6.70 % to 10.00% 2021-02 - 2022-11 8,498 637 2,012 $ 751 to $1,000 9 5.45 % to 10.00% 2021-09 - 2022-10 7,544 980 — over $1,000 24 5.45 % to 10.00% 2020-07 - 2023-10 57,880 11,699 11,992 187 96,066 13,995 17,116 Floating Loans: $ — to $250 737 4.25 % to 10.00% 2019-08 - 2023-11 $ 65,611 $ 773 $ — $ 251 to $500 123 4.25 % to 8.25% 2020-05 - 2023-12 42,248 — — $ 501 to $750 9 5.75 % to 8.60% 2021-03 - 2024-02 5,724 — — $ 751 to $1,000 12 5.75 % to 7.50% 2020-12 - 2024-02 10,200 945 916 over $1,000 66 4.90 % to 9.50% 2021-03 - 2024-12 450,543 1,680 — 947 574,326 3,398 916 Total Bridge at Redwood: 1,134 $ 670,392 $ 17,393 $ 18,032 Bridge at CAFL: Fixed loans: $ — to $250 808 5.45 % to 10.65% 2022-01 - 2023-05 $ 58,110 $ — $ — $ 251 to $500 70 5.95 % to 10.50% 2022-01 - 2023-03 23,488 — — $ 501 to $750 24 5.95 % to 9.99% 2022-01 - 2023-08 15,041 — — $ 751 to $1,000 7 5.45 % to 8.99% 2022-01 - 2023-04 6,375 — — over $1,000 11 6.25 % to 9.00% 2022-01 - 2023-11 32,864 — — 920 135,878 — — Floating Loans: $ — to $250 681 5.85 % to 10.50% 2021-10 - 2023-09 $ 77,001 $ 2,091 $ — $ 251 to $500 13 5.95 % to 8.35% 2021-10 - 2023-09 4,088 783 — $ 501 to $750 5 5.75 % to 8.50% 2021-10 - 2023-10 3,097 552 — $ 751 to $1,000 3 6.75 % to 7.25% 2022-04 - 2023-06 2,546 — — over $1,000 18 5.75 % to 10.00% 2021-11 - 2023-12 52,007 — — 720 138,739 3,426 — Total Bridge at CAFL: 1,640 $ 274,617 $ 3,426 $ — December 31, 2020 (In Thousands) Loan Balance Number of Interest Maturity Total 30-89 90+ SFR HFS: Fixed loans: $ — to $250 8 6.25 % to 7.75% 2027-03 - 2050-03 $ 1,060 $ — $ 635 $ 251 to $500 1 5.97 % to 5.97% 2021-02 - 2021-02 483 — — $ 501 to $750 6 5.84 % to 6.75% 2026-01 - 2031-01 3,632 — — $ 751 to $1,000 10 5.15 % to 6.39% 2020-05 - 2031-01 8,936 — 1,815 over $1,000 40 3.82 % to 5.95% 2020-07 - 2031-01 220,364 — 4,677 Total SFR HFS: 65 $ 234,475 $ — $ 7,127 SFR HFI at CAFL: Fixed loans: $ — to $250 5 5.77 % to 7.05% 2022-07 - 2030-08 $ 1,016 $ — $ — $ 251 to $500 67 4.64 % to 6.96% 2021-07 - 2031-01 29,977 — — $ 501 to $750 212 4.12 % to 7.06% 2020-11 - 2030-12 130,665 — 1,752 $ 751 to $1,000 131 4.33 % to 7.23% 2021-01 - 2031-01 113,874 764 750 over $1,000 679 3.93 % to 7.57% 2020-11 - 2031-01 2,741,605 3,867 58,938 Total SFR HFI at CAFL: 1,094 $ 3,017,137 $ 4,631 $ 61,440 Residential Bridge Fixed loans: $ — to $250 393 6.99 % to 12.00% 2019-08 - 2022-12 $ 44,225 $ 6,530 $ 1,668 $ 251 to $500 90 6.99 % to 13.00% 2020-05 - 2021-11 30,472 945 1,423 $ 501 to $750 31 6.99 % to 10.00% 2020-07 - 2021-10 18,843 — 540 $ 751 to $1,000 12 6.99 % to 9.50% 2020-10 - 2022-03 10,430 — 943 over $1,000 65 6.04 % to 10.25% 2020-03 - 2022-12 203,215 — 34,841 591 $ 307,185 $ 7,475 $ 39,415 Floating Loans: $ — to $250 1,047 5.75 % to 10.25% 2020-11 - 2022-08 $ 84,371 $ — $ — $ 251 to $500 20 6.65 % to 8.60% 2020-11 - 2021-12 7,135 — — $ 501 to $750 8 7.05 % to 8.50% 2020-11 - 2021-10 4,940 — — $ 751 to $1,000 9 6.50 % to 8.00% 2020-12 - 2021-11 7,795 — — over $1,000 50 6.50 % to 9.50% 2021-01 - 2022-12 238,105 — — 1,134 $ 342,346 $ — $ — Total Residential Bridge: 1,725 $ 649,531 $ 7,475 $ 39,415 T he following table displays the loan product type and accompanying loan characteristics of multifamily loans recorded on our consolidated balance sheets at December 31, 2021. Table 8.4 – Product Types and Characteristics of Multifamily Loans December 31, 2021 (In Thousands) Loan Balance Number of Interest Maturity Total 30-89 90+ Fixed loans: $ 10,001 to $20,000 24 4.25 % to 4.25% 2025-09 - 2025-09 $ 364,811 $ — $ — $ 20,001 to $30,000 4 4.25 % to 4.25% 2025-09 - 2025-09 90,357 — — Total: 28 $ 455,168 $ — $ — December 31, 2020 (In Thousands) Loan Balance Number of Interest Maturity Total 30-89 90+ Fixed loans: $ 10,001 to $20,000 24 4.25 % to 4.25% 2025-09 - 2025-09 $ 370,934 $ — $ — $ 20,001 to $30,000 4 4.25 % to 4.25% 2025-09 - 2025-09 91,874 — — Total: 28 $ 462,808 $ — $ —

Business Purpose Loans (Tables)

Business Purpose Loans (Tables)	12 Months Ended
	Dec. 31, 2021
Receivables [Abstract]
Summary of Classifications and Carrying Value of Loans	The following table summarizes the classifications and carrying values of the residential loans owned at Redwood and at consolidated Sequoia and Freddie Mac SLST entities at December 31, 2021 and 2020. Table 6.1 – Classifications and Carrying Values of Residential Loans December 31, 2021 Legacy Sequoia Freddie Mac (In Thousands) Redwood Sequoia SLST Total Held-for-sale at fair value $ 1,845,282 $ — $ — $ — $ 1,845,282 Held-for-investment at fair value — 230,455 3,628,465 1,888,230 5,747,150 Total Residential Loans $ 1,845,282 $ 230,455 $ 3,628,465 $ 1,888,230 $ 7,592,432 December 31, 2020 Legacy Sequoia Freddie Mac (In Thousands) Redwood Sequoia SLST Total Held-for-sale at fair value $ 176,641 $ — $ — $ — $ 176,641 Held-for-investment at fair value — 285,935 1,565,322 2,221,153 4,072,410 Total Residential Loans $ 176,641 $ 285,935 $ 1,565,322 $ 2,221,153 $ 4,249,051 Table 7.1 – Classifications and Carrying Values of Business Purpose Loans December 31, 2021 Single-Family Rental Bridge (In Thousands) Redwood CAFL Redwood CAFL Total Held-for-sale at fair value $ 358,309 $ — $ — $ — $ 358,309 Held-for-investment at fair value — 3,488,074 666,364 278,242 4,432,680 Total Business Purpose Loans $ 358,309 $ 3,488,074 $ 666,364 $ 278,242 $ 4,790,989 December 31, 2020 Single-Family Rental Single-Family Rental (In Thousands) Redwood CAFL Redwood CAFL Total Held-for-sale at fair value $ 245,394 $ — $ — $ — $ 245,394 Held-for-investment at fair value — 3,249,194 641,765 — 3,890,959 Total Business Purpose Loans $ 245,394 $ 3,249,194 $ 641,765 $ — $ 4,136,353 The following table provides the activity of business purpose loans during the years ended December 31, 2021 and 2020. Table 7.2 – Activity of Business Purpose Loans Twelve Months Ended Twelve Months Ended (In Thousands) HFS SFR at Redwood Bridge at Redwood HFS SFR at Redwood Bridge at Redwood Principal balance of loans originated $ 1,254,913 $ 894,908 $ 979,696 $ 451,554 Principal balance of loans acquired 68,804 65,315 — — Principal balance of loans sold to third parties 193,963 9,484 110,836 25,151 Fair value of loans transferred (1) 1,116,443 358,884 1,292,633 N/A Fair value of loans transferred from HFI to HFS (2) 92,455 — — N/A Mortgage banking activities income (loss) recorded (3) 63,206 7,187 81,032 (2,916) Investment fair value changes recorded (4) — 1,483 (20,806) (10,629) (1) Represents the transfer of loans from held-for-sale to held-for-investment associated with CAFL SFR securitizations and the transfer of bridge loans from "Bridge at Redwood" to "Bridge at CAFL" resulting from their securitization. (2) Represents the transfer of single-family rental loans from held-for-investment to held-for-sale associated with the call of consolidated CAFL securitizations during 2021. (3) Represents net market valuation changes from the time a loan is originated to when it is sold or transferred to our investment portfolio. Additionally, for the year ended December 31, 2021 and 2020 we recorded loan origination fee income of $34 million and $19 million, respectively, through Mortgage banking activities, net on our consolidated statements of income (loss). (4) Represents net market valuation changes for loans classified as held-for-investment. Table 7.3 – Activity of Business Purpose Loans Held-for-Investment at CAFL Year Ended Year Ended (In Thousands) SFR at Bridge at CAFL SFR at Bridge at CAFL Net market valuation gains (losses) recorded (1) $ (158,081) $ (1,548) $ 32,331 $ — (1) For loans held at our consolidated CAFL entities, market value changes are based on the estimated fair value of the associated ABS issued, including securities we own, pursuant to collateralized financing entity guidelines. The net impact to our income statement associated with our economic investments in these securitization entities is presented in Table 4.2 . The following tables summarize the characteristics of the business purpose loans owned at Redwood at December 31, 2021 and 2020. Table 7.4 – Characteristics of Business Purpose Loans December 31, 2021 SFR at Redwood SFR at Bridge at Redwood Bridge at CAFL (Dollars in Thousands) Number of loans 245 1,173 1,134 1,640 Unpaid principal balance $ 348,232 $ 3,340,949 $ 670,392 $ 274,617 Fair value of loans $ 358,309 $ 3,488,074 $ 666,364 $ 278,242 Weighted average coupon 4.73 % 5.17 % 6.91 % 7.05 % Weighted average remaining loan term (years) 12 6 1 1 Market value of loans pledged as collateral under short-term debt facilities $ 75,873 N/A $ 91,814 N/A Market value of loans pledged as collateral under long-term debt facilities $ 244,703 N/A $ 554,597 N/A Delinquency information Number of loans with 90+ day delinquencies (1) 6 18 31 — Unpaid principal balance of loans with 90+ day delinquencies $ 5,384 $ 41,998 $ 18,032 $ — Fair value of loans with 90+ day delinquencies (2) $ 4,238 N/A $ 14,218 $ — Number of loans in foreclosure 7 9 28 — Unpaid principal balance of loans in foreclosure $ 5,473 $ 12,648 $ 18,043 $ — Fair value of loans in foreclosure (2) $ 4,305 N/A $ 14,257 $ — December 31, 2020 SFR at Redwood SFR at Bridge at Redwood Bridge at CAFL (Dollars in Thousands) Number of loans 65 1,094 1,725 — Unpaid principal balance $ 234,475 $ 3,017,137 $ 649,532 $ — Fair value of loans $ 245,394 $ 3,249,194 $ 641,765 $ — Weighted average coupon 4.84 % 5.44 % 8.09 % — % Weighted average remaining loan term (years) 8 5 1 — Market value of loans pledged as collateral under short-term debt facilities $ 34,098 N/A $ 92,931 N/A Market value of loans pledged as collateral under long-term debt facilities $ 154,774 N/A $ 544,151 N/A Delinquency information Number of loans with 90+ day delinquencies (1) 10 22 31 — Unpaid principal balance of loans with 90+ day delinquencies $ 7,127 $ 61,440 $ 39,415 $ — Fair value of loans with 90+ day delinquencies (2) $ 6,143 N/A $ 33,605 $ — Number of loans in foreclosure — 10 25 — Unpaid principal balance of loans in foreclosure $ — $ 24,745 $ 38,552 $ — Fair value of loans in foreclosure (2) $ — N/A $ 33,066 $ — Footnotes to Table 7.4 (1) The number of loans greater than 90 days delinquent includes loans in foreclosure. (2) The fair value of the loans held by consolidated entities was based on the fair value of the ABS issued by these entities, including securities we own, which we determined were more readily observable, in accordance with accounting guidance for collateralized financing entities.
Geographic Concentration of Loans Recorded on Consolidated Balance Sheet	The following table presents the geographic concentration of residential loans recorded on our consolidated balance sheets at December 31, 2021 and 2020. Table 6.7 – Geographic Concentration of Residential Loans December 31, 2021 Geographic Concentration Held-for-Sale Held-for- Held-for- Held-for-Investment at Freddie Mac SLST California 29 % 18 % 35 % 14 % Texas 11 % 5 % 12 % 3 % Washington 8 % 1 % 5 % 2 % Colorado 7 % 2 % 6 % 1 % Florida 6 % 14 % 4 % 10 % Arizona 5 % 1 % 3 % 2 % New York 2 % 11 % 2 % 10 % New Jersey 1 % 5 % 1 % 7 % Illinois 2 % 3 % 4 % 5 % Maryland 1 % 2 % 2 % 5 % Ohio — % 5 % — % 2 % Other states (none greater than 5%) 28 % 33 % 26 % 39 % Total 100 % 100 % 100 % 100 % December 31, 2020 Geographic Concentration Held-for-Sale Held-for- Held-for- Held-for-Investment at Freddie Mac SLST California 43 % 17 % 34 % 14 % Washington 7 % 1 % 5 % 2 % Texas 10 % 5 % 10 % 3 % Colorado 5 % 3 % 3 % 1 % Florida 3 % 14 % 6 % 10 % Illinois 3 % 3 % 2 % 5 % Maryland 2 % 2 % 1 % 5 % New Jersey 1 % 5 % 2 % 7 % New York 1 % 10 % 5 % 10 % Ohio — % 5 % — % 2 % Other states (none greater than 5%) 25 % 35 % 32 % 41 % Total 100 % 100 % 100 % 100 % The following table presents the geographic concentration of business purpose loans recorded on our consolidated balance sheets at December 31, 2021. Table 7.5 – Geographic Concentration of Business Purpose Loans December 31, 2021 Geographic Concentration SFR at Redwood SFR at CAFL Bridge at Redwood Bridge at CAFL Florida 15 % 7 % 10 % 17 % Texas 11 % 15 % 7 % 13 % Alabama 11 % 3 % 9 % 3 % Connecticut 9 % 6 % 4 % 3 % New Jersey 7 % 8 % 9 % 12 % New York 2 % 2 % 2 % 9 % Georgia 5 % 5 % 20 % 7 % California 5 % 5 % 3 % 5 % Illinois 2 % 5 % 4 % 4 % Tennessee — % 3 % 11 % 2 % Other states (none greater than 5%) 33 % 41 % 21 % 25 % Total 100 % 100 % 100 % 100 % December 31, 2020 Geographic Concentration SFR at Redwood SFR at CAFL Bridge at Redwood Bridge at CAFL Texas 24 % 15 % 4 % — % New Jersey 17 % 11 % 9 % — % Georgia 12 % 5 % 8 % — % Florida 10 % 8 % 11 % — % Connecticut 8 % 4 % 1 % — % New York 5 % 1 % 8 % — % Arizona 5 % 2 % 1 % — % California 5 % 5 % 13 % — % Illinois 5 % 4 % 7 % — % Alabama 2 % 3 % 6 % — % Indiana 2 % 3 % 5 % — % Tennessee — % 3 % 6 % — % Other states (none greater than 5%) 5 % 36 % 21 % — % Total 100 % 100 % 100 % — % The following table presents the geographic concentration of multifamily loans recorded on our consolidated balance sheets at December 31, 2021. Table 8.3 – Geographic Concentration of Multifamily Loans Geographic Concentration December 31, 2021 December 31, 2020 California 13 % 13 % Florida 13 % 13 % North Carolina 9 % 9 % Oregon 7 % 7 % Hawaii 5 % 5 % Tennessee 5 % 5 % Other states (none greater than 5%) 48 % 48 % Total 100 % 100 %
Loan Product Type and Accompanying Loan Characteristics of Loans	T he following table displays the loan product type and accompanying loan characteristics of residential loans recorded on our consolidated balance sheets at December 31, 2021 and 2020. Table 6.8 – Product Types and Characteristics of Residential Loans December 31, 2021 (In Thousands) Loan Balance Number of Interest Rate (1) Maturity Total 30-89 90+ Held-for-Sale: Hybrid ARM loans $ — to $250 1 1.88 % to 1.88% 2032-11 - 2032-11 $ 45 $ — $ — $ 251 to $500 4 3.25 % to 3.50% 2042-08 - 2042-09 1,880 — — $ 501 to $750 18 2.38 % to 3.63% 2042-04 - 2052-01 11,872 — — $ 751 to $1,000 14 2.50 % to 4.00% 2042-06 - 2052-01 12,288 — — over $1,000 20 2.38 % to 3.88% 2042-01 - 2052-01 25,308 — — 57 51,393 — — Fixed loans $ — to $250 63 3.13 % to 5.00% 2026-04 - 2051-12 11,118 — — $ 251 to $500 133 2.75 % to 5.50% 2026-12 - 2051-11 51,737 — — $ 501 to $750 790 2.50 % to 5.88% 2026-12 - 2052-01 514,785 — 1,093 $ 751 to $1,000 735 2.63 % to 5.63% 2041-07 - 2052-.01 642,372 — — over $1,000 418 2.50 % to 4.75% 2041-10 - 2052-.01 542,460 — 1,830 2,139 1,762,472 — 2,923 Total Held-for-Sale 2,196 $ 1,813,865 $ — $ 2,923 Held-for-Investment at Legacy Sequoia: ARM loans: $ — to $250 1,273 0.38 % to 5.63% 2022-01 - 2035-11 $ 115,437 $ 3,189 $ 2,691 $ 251 to $500 206 0.75 % to 3.88% 2024-05 - 2035-11 71,306 2,831 2,124 $ 501 to $750 68 0.25 % to 4.13% 2027-05 - 2035-07 42,128 555 1,842 $ 751 to $1,000 15 0.75 % to 3.75% 2028-03 - 2036-03 12,868 1,811 825 over $1,000 12 0.88 % to 2.00% 2028-06 - 2035-04 18,668 1,175 — 1,574 260,407 9,561 7,482 Hybrid ARM loans: $ — to $250 3 2.63 % to 2.63% 2033-09 - 2033-10 650 — — $ 251 to $500 4 2.50 % to 2.63% 2033-07 - 2034-03 1,341 — — $ 501 to $750 1 2.50 % to 2.50% 2033-08 - 2033-08 518 — — over $1,000 1 2.63 % to 2.63% 2033-09 - 2033-09 1,140 — — 9 3,649 — — Total HFI at Legacy Sequoia: 1,583 $ 264,056 $ 9,561 $ 7,482 Table 6.8 – Product Types and Characteristics of Residential Loans (continued) December 31, 2021 (In Thousands) Loan Balance Number of Interest Rate (1) Maturity Total 30-89 90+ Held-for-Investment at Sequoia: Hybrid ARM loans $ — to $250 2 5.50 % to 6.75% 2048-03 - 2048-09 $ 397 $ 191 $ — $ 251 to $500 3 3.25 % to 3.63% 2047-04 - 2049-06 1,354 — — $ 501 to $750 8 3.38 % to 4.50% 2044-04 - 2049-08 5,321 — — $ 751 to $1,000 8 3.13 % to 5.00% 2047-06 - 2049-08 6,659 — — over $1,000 7 3.50 % to 5.00% 2044-11 - 2050-01 8,934 — — 28 22,665 191 — Fixed loans: $ — to $250 43 2.75 % to 5.13% 2029-04 - 2051-06 $ 8,630 $ — $ — $ 251 to $500 162 2.50 % to 6.13% 2033-06 - 2051-09 69,442 2,390 462 $ 501 to $750 1,691 2.13 % to 6.75% 2031-04 - 2051-12 1,093,766 10,894 3,498 $ 751 to $1,000 1,497 2.13 % to 6.25% 2036-12 - 2051-11 1,311,640 9,477 4,931 over $1,000 879 1.88 % to 5.88% 2036-07 - 2051-11 1,099,328 8,508 6,233 4,272 3,582,806 31,269 15,124 4,300 $ 3,605,471 $ 31,460 $ 15,124 Held-for-Investment at Freddie Mac SLST: Fixed loans: $ — to $250 9,798 2.00 % to 11.00% 2021-12 2061-10 $ 1,224,173 $ 222,541 $ 114,622 $ 251 to $500 2,141 2.00 % to 7.75% 2035-08 2059-08 681,885 114,360 91,149 $ 501 to $750 46 2.00 % to 5.88% 2043-08 2059-01 25,165 3,127 7,190 over $1,000 1 4.00 % to 4.00% 2056-03 2056-03 1,018 1,018 — Total Held-for-Investment 11,986 $ 1,932,241 $ 341,046 $ 212,961 Table 6.8 – Product Types and Characteristics of Residential Loans (continued) December 31, 2020 (In Thousands) Loan Balance Number of Interest Rate (1) Maturity Total 30-89 90+ Held-for-Sale: Hybrid ARM loans $ — to $250 1 2.00 % to 2.00% 2032-11 - 2032-11 $ 49 $ — $ — $ 751 to $1,000 1 4.38 % to 4.38% 2047-10 - 2047-10 970 970 — 2 1,019 970 — Fixed loans $ — to $250 1 4.69 % to 4.69% 2044-03 - 2044-03 219 219 — $ 251 to $500 — — % to —% 0 - 0 — — — $ 501 to $750 75 2.50 % to 5.50% 2045-12 - 2051-01 48,933 1,127 — $ 751 to $1,000 80 2.38 % to 4.63% 2050-04 - 2051-01 71,137 — — over $1,000 40 2.38 % to 5.00% 2040-11 - 2051-01 51,440 1,046 1,882 196 171,729 2,392 1,882 Held-for-Sale 198 $ 172,748 $ 3,362 $ 1,882 Held-for-Investment at Legacy Sequoia: ARM loans: $ — to $250 1,524 0.25 % to 5.63% 2020-10 - 2036-05 $ 146,100 $ 4,208 $ 3,966 $ 251 to $500 251 0.50 % to 4.13% 2024-05 - 2035-11 86,676 1,908 4,392 $ 501 to $750 79 0.25 % to 4.13% 2027-05 - 2035-01 48,437 714 1,192 $ 751 to $1,000 27 0.75 % to 3.75% 2028-03 - 2036-03 21,875 — 3,175 over $1,000 18 1.00 % to 2.38% 2028-05 - 2035-04 26,422 — 4,560 1,899 329,510 6,830 17,285 Hybrid ARM loans: $ — to $250 2 2.63 % to 2.63% 2033-09 - 2033-10 439 — — $ 251 to $500 5 2.63 % to 4.00% 2033-07 - 2034-03 1,748 410 — $ 501 to $750 1 2.75 % to 2.75% 2033-08 - 2033-08 556 — — over $1,000 1 2.63 % to 2.63% 2033-09 - 2033-09 1,221 — — 9 3,964 410 — Total HFI at Legacy Sequoia: 1,908 $ 333,474 $ 7,240 $ 17,285 Table 6.8 – Product Types and Characteristics of Residential Loans (continued) December 31, 2020 (In Thousands) Loan Balance Number of Interest Rate (1) Maturity Total 30-89 90+ Held-for-Investment at Sequoia: Hybrid ARM loans $ — to $250 3 5.50 % to 6.75% 2048-03 - 2048-10 $ 607 $ — $ — $ 251 to $500 5 3.50 % to 3.63% 2046-11 - 2049-06 2,196 440 — $ 501 to $750 19 3.25 % to 4.75% 2044-04 - 2049-09 12,214 682 671 $ 751 to $1,000 15 3.13 % to 5.00% 2043-12 - 2049-08 12,911 960 1,744 over $1,000 12 3.50 % to 5.00% 2044-11 - 2050-02 15,716 — — 54 43,644 2,082 2,415 Fixed loans: $ — to $250 48 2.75 % to 5.50 % 2029-04 - 2049-09 $ 9,508 $ — $ 191 $ 251 to $500 285 3.13 % to 6.13 % 2033-06 - 2050-03 122,327 4,728 2,225 $ 501 to $750 1,004 3 % to 6.75 % 2031-04 - 2050-04 617,488 15,214 24,842 $ 751 to $1,000 556 3.25 % to 6.50 % 2036-12 - 2050-04 478,938 10,482 21,155 over $1,000 230 3.15 % to 5.88 % 2036-07 - 2050-04 278,549 4,868 23,914 2,123 1,506,810 35,292 72,327 2,177 $ 1,550,454 $ 37,374 $ 74,742 Held-for-Investment at Freddie Mac SLST: Fixed loans: $ — to $250 11,007 2.00 % to 11.00% 2020-12 - 2059-10 $ 1,407,107 $ 283,745 $ 206,724 $ 251 to $500 2,545 2.00 % to 7.75% 2035-05 - 2059-01 811,191 143,195 172,995 $ 501 to $750 52 2.00 % to 6.75% 2043-08 - 2058-07 28,461 6,863 9,526 over $1,000 1 4.00 % to 4.00% 2056-03 - 2056-03 1,012 1,012 — Total HFI at Freddie Mac SLST: 13,605 $ 2,247,771 $ 434,815 $ 389,245 (1) Rate is net of servicing fee for consolidated loans for which we do not own the MSR. T he following table displays the loan product type and accompanying loan characteristics of business purpose loans recorded on our consolidated balance sheets at December 31, 2021. Table 7.6 – Product Types and Characteristics of Business Purpose Loans December 31, 2021 (In Thousands) Loan Balance Number of Interest Maturity Total 30-89 90+ SFR at Redwood: Fixed loans: $ — to $250 74 3.75 % to 7.75% 2048-11 - 2052-01 $ 11,515 $ 89 $ 171 $ 251 to $500 57 3.75 % to 6.50% 2026-01 - 2052-01 21,284 — — $ 501 to $750 28 3.75 % to 6.70% 2021-01 - 2052-01 16,773 — 536 $ 751 to $1,000 12 4.13 % to 5.43% 2026-12 - 2052-01 9,764 — — over $1,000 74 3.38 % to 7.15% 2020-01 - 2052-01 288,896 — 4,677 Total SFR at Redwood: 245 $ 348,232 $ 89 $ 5,384 SFR at CAFL: Fixed loans: $ — to $250 5 5.77 % to 6.80% 2023-01 - 2024-04 $ 398 $ 20 $ — $ 251 to $500 73 4.64 % to 7.03% 2022-02 - 2031-02 32,106 466 257 $ 501 to $750 199 4.00 % to 7.06% 2022-02 - 2031-10 123,685 717 1,224 $ 751 to $1,000 134 4.20 % to 7.23% 2022-03 - 2031-09 116,724 788 — over $1,000 762 3.81 % to 7.57% 2022-03 - 2030-10 3,068,036 26,481 40,518 Total SFR at CAFL: 1,173 $ 3,340,949 $ 28,472 $ 41,999 Bridge at Redwood Fixed Loans: $ — to $250 115 5.95 % to 12.00% 2019-08 - 2023-11 $ 12,850 $ 426 $ 1,493 $ 251 to $500 26 5.95 % to 10.00% 2020-05 - 2023-09 9,294 253 1,619 $ 501 to $750 13 6.70 % to 10.00% 2021-02 - 2022-11 8,498 637 2,012 $ 751 to $1,000 9 5.45 % to 10.00% 2021-09 - 2022-10 7,544 980 — over $1,000 24 5.45 % to 10.00% 2020-07 - 2023-10 57,880 11,699 11,992 187 96,066 13,995 17,116 Floating Loans: $ — to $250 737 4.25 % to 10.00% 2019-08 - 2023-11 $ 65,611 $ 773 $ — $ 251 to $500 123 4.25 % to 8.25% 2020-05 - 2023-12 42,248 — — $ 501 to $750 9 5.75 % to 8.60% 2021-03 - 2024-02 5,724 — — $ 751 to $1,000 12 5.75 % to 7.50% 2020-12 - 2024-02 10,200 945 916 over $1,000 66 4.90 % to 9.50% 2021-03 - 2024-12 450,543 1,680 — 947 574,326 3,398 916 Total Bridge at Redwood: 1,134 $ 670,392 $ 17,393 $ 18,032 Bridge at CAFL: Fixed loans: $ — to $250 808 5.45 % to 10.65% 2022-01 - 2023-05 $ 58,110 $ — $ — $ 251 to $500 70 5.95 % to 10.50% 2022-01 - 2023-03 23,488 — — $ 501 to $750 24 5.95 % to 9.99% 2022-01 - 2023-08 15,041 — — $ 751 to $1,000 7 5.45 % to 8.99% 2022-01 - 2023-04 6,375 — — over $1,000 11 6.25 % to 9.00% 2022-01 - 2023-11 32,864 — — 920 135,878 — — Floating Loans: $ — to $250 681 5.85 % to 10.50% 2021-10 - 2023-09 $ 77,001 $ 2,091 $ — $ 251 to $500 13 5.95 % to 8.35% 2021-10 - 2023-09 4,088 783 — $ 501 to $750 5 5.75 % to 8.50% 2021-10 - 2023-10 3,097 552 — $ 751 to $1,000 3 6.75 % to 7.25% 2022-04 - 2023-06 2,546 — — over $1,000 18 5.75 % to 10.00% 2021-11 - 2023-12 52,007 — — 720 138,739 3,426 — Total Bridge at CAFL: 1,640 $ 274,617 $ 3,426 $ — December 31, 2020 (In Thousands) Loan Balance Number of Interest Maturity Total 30-89 90+ SFR HFS: Fixed loans: $ — to $250 8 6.25 % to 7.75% 2027-03 - 2050-03 $ 1,060 $ — $ 635 $ 251 to $500 1 5.97 % to 5.97% 2021-02 - 2021-02 483 — — $ 501 to $750 6 5.84 % to 6.75% 2026-01 - 2031-01 3,632 — — $ 751 to $1,000 10 5.15 % to 6.39% 2020-05 - 2031-01 8,936 — 1,815 over $1,000 40 3.82 % to 5.95% 2020-07 - 2031-01 220,364 — 4,677 Total SFR HFS: 65 $ 234,475 $ — $ 7,127 SFR HFI at CAFL: Fixed loans: $ — to $250 5 5.77 % to 7.05% 2022-07 - 2030-08 $ 1,016 $ — $ — $ 251 to $500 67 4.64 % to 6.96% 2021-07 - 2031-01 29,977 — — $ 501 to $750 212 4.12 % to 7.06% 2020-11 - 2030-12 130,665 — 1,752 $ 751 to $1,000 131 4.33 % to 7.23% 2021-01 - 2031-01 113,874 764 750 over $1,000 679 3.93 % to 7.57% 2020-11 - 2031-01 2,741,605 3,867 58,938 Total SFR HFI at CAFL: 1,094 $ 3,017,137 $ 4,631 $ 61,440 Residential Bridge Fixed loans: $ — to $250 393 6.99 % to 12.00% 2019-08 - 2022-12 $ 44,225 $ 6,530 $ 1,668 $ 251 to $500 90 6.99 % to 13.00% 2020-05 - 2021-11 30,472 945 1,423 $ 501 to $750 31 6.99 % to 10.00% 2020-07 - 2021-10 18,843 — 540 $ 751 to $1,000 12 6.99 % to 9.50% 2020-10 - 2022-03 10,430 — 943 over $1,000 65 6.04 % to 10.25% 2020-03 - 2022-12 203,215 — 34,841 591 $ 307,185 $ 7,475 $ 39,415 Floating Loans: $ — to $250 1,047 5.75 % to 10.25% 2020-11 - 2022-08 $ 84,371 $ — $ — $ 251 to $500 20 6.65 % to 8.60% 2020-11 - 2021-12 7,135 — — $ 501 to $750 8 7.05 % to 8.50% 2020-11 - 2021-10 4,940 — — $ 751 to $1,000 9 6.50 % to 8.00% 2020-12 - 2021-11 7,795 — — over $1,000 50 6.50 % to 9.50% 2021-01 - 2022-12 238,105 — — 1,134 $ 342,346 $ — $ — Total Residential Bridge: 1,725 $ 649,531 $ 7,475 $ 39,415 T he following table displays the loan product type and accompanying loan characteristics of multifamily loans recorded on our consolidated balance sheets at December 31, 2021. Table 8.4 – Product Types and Characteristics of Multifamily Loans December 31, 2021 (In Thousands) Loan Balance Number of Interest Maturity Total 30-89 90+ Fixed loans: $ 10,001 to $20,000 24 4.25 % to 4.25% 2025-09 - 2025-09 $ 364,811 $ — $ — $ 20,001 to $30,000 4 4.25 % to 4.25% 2025-09 - 2025-09 90,357 — — Total: 28 $ 455,168 $ — $ — December 31, 2020 (In Thousands) Loan Balance Number of Interest Maturity Total 30-89 90+ Fixed loans: $ 10,001 to $20,000 24 4.25 % to 4.25% 2025-09 - 2025-09 $ 370,934 $ — $ — $ 20,001 to $30,000 4 4.25 % to 4.25% 2025-09 - 2025-09 91,874 — — Total: 28 $ 462,808 $ — $ —

Multifamily Loans (Tables)

Multifamily Loans (Tables)	12 Months Ended
	Dec. 31, 2021
Receivables [Abstract]
Schedule of Multifamily Loans	The following table summarizes the characteristics of the multifamily loans consolidated at Redwood at December 31, 2021 and 2020. Table 8.1 – Characteristics of Multifamily Loans (Dollars in Thousands) December 31, 2021 December 31, 2020 Number of loans 28 28 Unpaid principal balance $ 455,168 $ 462,808 Fair value of loans $ 473,514 $ 492,221 Weighted average coupon 4.25 % 4.25 % Weighted average remaining loan term (years) 4 5 Delinquency information Number of loans with 90+ day delinquencies — — Number of loans in foreclosure — — The outstanding multifamily loans held-for-investment at the Freddie Mac K-Series entity at December 31, 2021 were first-lien, fixed-rate loans that were originated in 2015 and had original loan terms of ten years. The following table provides the activity of multifamily loans held-for-investment during the year months ended December 31, 2021 and 2020. Table 8.2 – Activity of Multifamily Loans Held-for-Investment Year Ended December 31, (In Thousands) 2021 2020 Net market valuation gains (losses) recorded (1) $ (11,068) $ (58,821) (1) Net market valuation gains (losses) on multifamily loans held-for-investment are recorded through Investment fair value changes, net on our consolidated statements of income (loss). For loans held at our consolidated Freddie Mac K-Series entities, market value changes are based on the estimated fair value of the associated ABS issued, including securities we own, pursuant to collateralized financing entity guidelines. The net impact to our income statement associated with our economic investment in these securitization entities is presented in Table 5.6.
Geographic Concentration of Loans Recorded on Consolidated Balance Sheet	The following table presents the geographic concentration of residential loans recorded on our consolidated balance sheets at December 31, 2021 and 2020. Table 6.7 – Geographic Concentration of Residential Loans December 31, 2021 Geographic Concentration Held-for-Sale Held-for- Held-for- Held-for-Investment at Freddie Mac SLST California 29 % 18 % 35 % 14 % Texas 11 % 5 % 12 % 3 % Washington 8 % 1 % 5 % 2 % Colorado 7 % 2 % 6 % 1 % Florida 6 % 14 % 4 % 10 % Arizona 5 % 1 % 3 % 2 % New York 2 % 11 % 2 % 10 % New Jersey 1 % 5 % 1 % 7 % Illinois 2 % 3 % 4 % 5 % Maryland 1 % 2 % 2 % 5 % Ohio — % 5 % — % 2 % Other states (none greater than 5%) 28 % 33 % 26 % 39 % Total 100 % 100 % 100 % 100 % December 31, 2020 Geographic Concentration Held-for-Sale Held-for- Held-for- Held-for-Investment at Freddie Mac SLST California 43 % 17 % 34 % 14 % Washington 7 % 1 % 5 % 2 % Texas 10 % 5 % 10 % 3 % Colorado 5 % 3 % 3 % 1 % Florida 3 % 14 % 6 % 10 % Illinois 3 % 3 % 2 % 5 % Maryland 2 % 2 % 1 % 5 % New Jersey 1 % 5 % 2 % 7 % New York 1 % 10 % 5 % 10 % Ohio — % 5 % — % 2 % Other states (none greater than 5%) 25 % 35 % 32 % 41 % Total 100 % 100 % 100 % 100 % The following table presents the geographic concentration of business purpose loans recorded on our consolidated balance sheets at December 31, 2021. Table 7.5 – Geographic Concentration of Business Purpose Loans December 31, 2021 Geographic Concentration SFR at Redwood SFR at CAFL Bridge at Redwood Bridge at CAFL Florida 15 % 7 % 10 % 17 % Texas 11 % 15 % 7 % 13 % Alabama 11 % 3 % 9 % 3 % Connecticut 9 % 6 % 4 % 3 % New Jersey 7 % 8 % 9 % 12 % New York 2 % 2 % 2 % 9 % Georgia 5 % 5 % 20 % 7 % California 5 % 5 % 3 % 5 % Illinois 2 % 5 % 4 % 4 % Tennessee — % 3 % 11 % 2 % Other states (none greater than 5%) 33 % 41 % 21 % 25 % Total 100 % 100 % 100 % 100 % December 31, 2020 Geographic Concentration SFR at Redwood SFR at CAFL Bridge at Redwood Bridge at CAFL Texas 24 % 15 % 4 % — % New Jersey 17 % 11 % 9 % — % Georgia 12 % 5 % 8 % — % Florida 10 % 8 % 11 % — % Connecticut 8 % 4 % 1 % — % New York 5 % 1 % 8 % — % Arizona 5 % 2 % 1 % — % California 5 % 5 % 13 % — % Illinois 5 % 4 % 7 % — % Alabama 2 % 3 % 6 % — % Indiana 2 % 3 % 5 % — % Tennessee — % 3 % 6 % — % Other states (none greater than 5%) 5 % 36 % 21 % — % Total 100 % 100 % 100 % — % The following table presents the geographic concentration of multifamily loans recorded on our consolidated balance sheets at December 31, 2021. Table 8.3 – Geographic Concentration of Multifamily Loans Geographic Concentration December 31, 2021 December 31, 2020 California 13 % 13 % Florida 13 % 13 % North Carolina 9 % 9 % Oregon 7 % 7 % Hawaii 5 % 5 % Tennessee 5 % 5 % Other states (none greater than 5%) 48 % 48 % Total 100 % 100 %
Loan Product Type and Accompanying Loan Characteristics of Loans	T he following table displays the loan product type and accompanying loan characteristics of residential loans recorded on our consolidated balance sheets at December 31, 2021 and 2020. Table 6.8 – Product Types and Characteristics of Residential Loans December 31, 2021 (In Thousands) Loan Balance Number of Interest Rate (1) Maturity Total 30-89 90+ Held-for-Sale: Hybrid ARM loans $ — to $250 1 1.88 % to 1.88% 2032-11 - 2032-11 $ 45 $ — $ — $ 251 to $500 4 3.25 % to 3.50% 2042-08 - 2042-09 1,880 — — $ 501 to $750 18 2.38 % to 3.63% 2042-04 - 2052-01 11,872 — — $ 751 to $1,000 14 2.50 % to 4.00% 2042-06 - 2052-01 12,288 — — over $1,000 20 2.38 % to 3.88% 2042-01 - 2052-01 25,308 — — 57 51,393 — — Fixed loans $ — to $250 63 3.13 % to 5.00% 2026-04 - 2051-12 11,118 — — $ 251 to $500 133 2.75 % to 5.50% 2026-12 - 2051-11 51,737 — — $ 501 to $750 790 2.50 % to 5.88% 2026-12 - 2052-01 514,785 — 1,093 $ 751 to $1,000 735 2.63 % to 5.63% 2041-07 - 2052-.01 642,372 — — over $1,000 418 2.50 % to 4.75% 2041-10 - 2052-.01 542,460 — 1,830 2,139 1,762,472 — 2,923 Total Held-for-Sale 2,196 $ 1,813,865 $ — $ 2,923 Held-for-Investment at Legacy Sequoia: ARM loans: $ — to $250 1,273 0.38 % to 5.63% 2022-01 - 2035-11 $ 115,437 $ 3,189 $ 2,691 $ 251 to $500 206 0.75 % to 3.88% 2024-05 - 2035-11 71,306 2,831 2,124 $ 501 to $750 68 0.25 % to 4.13% 2027-05 - 2035-07 42,128 555 1,842 $ 751 to $1,000 15 0.75 % to 3.75% 2028-03 - 2036-03 12,868 1,811 825 over $1,000 12 0.88 % to 2.00% 2028-06 - 2035-04 18,668 1,175 — 1,574 260,407 9,561 7,482 Hybrid ARM loans: $ — to $250 3 2.63 % to 2.63% 2033-09 - 2033-10 650 — — $ 251 to $500 4 2.50 % to 2.63% 2033-07 - 2034-03 1,341 — — $ 501 to $750 1 2.50 % to 2.50% 2033-08 - 2033-08 518 — — over $1,000 1 2.63 % to 2.63% 2033-09 - 2033-09 1,140 — — 9 3,649 — — Total HFI at Legacy Sequoia: 1,583 $ 264,056 $ 9,561 $ 7,482 Table 6.8 – Product Types and Characteristics of Residential Loans (continued) December 31, 2021 (In Thousands) Loan Balance Number of Interest Rate (1) Maturity Total 30-89 90+ Held-for-Investment at Sequoia: Hybrid ARM loans $ — to $250 2 5.50 % to 6.75% 2048-03 - 2048-09 $ 397 $ 191 $ — $ 251 to $500 3 3.25 % to 3.63% 2047-04 - 2049-06 1,354 — — $ 501 to $750 8 3.38 % to 4.50% 2044-04 - 2049-08 5,321 — — $ 751 to $1,000 8 3.13 % to 5.00% 2047-06 - 2049-08 6,659 — — over $1,000 7 3.50 % to 5.00% 2044-11 - 2050-01 8,934 — — 28 22,665 191 — Fixed loans: $ — to $250 43 2.75 % to 5.13% 2029-04 - 2051-06 $ 8,630 $ — $ — $ 251 to $500 162 2.50 % to 6.13% 2033-06 - 2051-09 69,442 2,390 462 $ 501 to $750 1,691 2.13 % to 6.75% 2031-04 - 2051-12 1,093,766 10,894 3,498 $ 751 to $1,000 1,497 2.13 % to 6.25% 2036-12 - 2051-11 1,311,640 9,477 4,931 over $1,000 879 1.88 % to 5.88% 2036-07 - 2051-11 1,099,328 8,508 6,233 4,272 3,582,806 31,269 15,124 4,300 $ 3,605,471 $ 31,460 $ 15,124 Held-for-Investment at Freddie Mac SLST: Fixed loans: $ — to $250 9,798 2.00 % to 11.00% 2021-12 2061-10 $ 1,224,173 $ 222,541 $ 114,622 $ 251 to $500 2,141 2.00 % to 7.75% 2035-08 2059-08 681,885 114,360 91,149 $ 501 to $750 46 2.00 % to 5.88% 2043-08 2059-01 25,165 3,127 7,190 over $1,000 1 4.00 % to 4.00% 2056-03 2056-03 1,018 1,018 — Total Held-for-Investment 11,986 $ 1,932,241 $ 341,046 $ 212,961 Table 6.8 – Product Types and Characteristics of Residential Loans (continued) December 31, 2020 (In Thousands) Loan Balance Number of Interest Rate (1) Maturity Total 30-89 90+ Held-for-Sale: Hybrid ARM loans $ — to $250 1 2.00 % to 2.00% 2032-11 - 2032-11 $ 49 $ — $ — $ 751 to $1,000 1 4.38 % to 4.38% 2047-10 - 2047-10 970 970 — 2 1,019 970 — Fixed loans $ — to $250 1 4.69 % to 4.69% 2044-03 - 2044-03 219 219 — $ 251 to $500 — — % to —% 0 - 0 — — — $ 501 to $750 75 2.50 % to 5.50% 2045-12 - 2051-01 48,933 1,127 — $ 751 to $1,000 80 2.38 % to 4.63% 2050-04 - 2051-01 71,137 — — over $1,000 40 2.38 % to 5.00% 2040-11 - 2051-01 51,440 1,046 1,882 196 171,729 2,392 1,882 Held-for-Sale 198 $ 172,748 $ 3,362 $ 1,882 Held-for-Investment at Legacy Sequoia: ARM loans: $ — to $250 1,524 0.25 % to 5.63% 2020-10 - 2036-05 $ 146,100 $ 4,208 $ 3,966 $ 251 to $500 251 0.50 % to 4.13% 2024-05 - 2035-11 86,676 1,908 4,392 $ 501 to $750 79 0.25 % to 4.13% 2027-05 - 2035-01 48,437 714 1,192 $ 751 to $1,000 27 0.75 % to 3.75% 2028-03 - 2036-03 21,875 — 3,175 over $1,000 18 1.00 % to 2.38% 2028-05 - 2035-04 26,422 — 4,560 1,899 329,510 6,830 17,285 Hybrid ARM loans: $ — to $250 2 2.63 % to 2.63% 2033-09 - 2033-10 439 — — $ 251 to $500 5 2.63 % to 4.00% 2033-07 - 2034-03 1,748 410 — $ 501 to $750 1 2.75 % to 2.75% 2033-08 - 2033-08 556 — — over $1,000 1 2.63 % to 2.63% 2033-09 - 2033-09 1,221 — — 9 3,964 410 — Total HFI at Legacy Sequoia: 1,908 $ 333,474 $ 7,240 $ 17,285 Table 6.8 – Product Types and Characteristics of Residential Loans (continued) December 31, 2020 (In Thousands) Loan Balance Number of Interest Rate (1) Maturity Total 30-89 90+ Held-for-Investment at Sequoia: Hybrid ARM loans $ — to $250 3 5.50 % to 6.75% 2048-03 - 2048-10 $ 607 $ — $ — $ 251 to $500 5 3.50 % to 3.63% 2046-11 - 2049-06 2,196 440 — $ 501 to $750 19 3.25 % to 4.75% 2044-04 - 2049-09 12,214 682 671 $ 751 to $1,000 15 3.13 % to 5.00% 2043-12 - 2049-08 12,911 960 1,744 over $1,000 12 3.50 % to 5.00% 2044-11 - 2050-02 15,716 — — 54 43,644 2,082 2,415 Fixed loans: $ — to $250 48 2.75 % to 5.50 % 2029-04 - 2049-09 $ 9,508 $ — $ 191 $ 251 to $500 285 3.13 % to 6.13 % 2033-06 - 2050-03 122,327 4,728 2,225 $ 501 to $750 1,004 3 % to 6.75 % 2031-04 - 2050-04 617,488 15,214 24,842 $ 751 to $1,000 556 3.25 % to 6.50 % 2036-12 - 2050-04 478,938 10,482 21,155 over $1,000 230 3.15 % to 5.88 % 2036-07 - 2050-04 278,549 4,868 23,914 2,123 1,506,810 35,292 72,327 2,177 $ 1,550,454 $ 37,374 $ 74,742 Held-for-Investment at Freddie Mac SLST: Fixed loans: $ — to $250 11,007 2.00 % to 11.00% 2020-12 - 2059-10 $ 1,407,107 $ 283,745 $ 206,724 $ 251 to $500 2,545 2.00 % to 7.75% 2035-05 - 2059-01 811,191 143,195 172,995 $ 501 to $750 52 2.00 % to 6.75% 2043-08 - 2058-07 28,461 6,863 9,526 over $1,000 1 4.00 % to 4.00% 2056-03 - 2056-03 1,012 1,012 — Total HFI at Freddie Mac SLST: 13,605 $ 2,247,771 $ 434,815 $ 389,245 (1) Rate is net of servicing fee for consolidated loans for which we do not own the MSR. T he following table displays the loan product type and accompanying loan characteristics of business purpose loans recorded on our consolidated balance sheets at December 31, 2021. Table 7.6 – Product Types and Characteristics of Business Purpose Loans December 31, 2021 (In Thousands) Loan Balance Number of Interest Maturity Total 30-89 90+ SFR at Redwood: Fixed loans: $ — to $250 74 3.75 % to 7.75% 2048-11 - 2052-01 $ 11,515 $ 89 $ 171 $ 251 to $500 57 3.75 % to 6.50% 2026-01 - 2052-01 21,284 — — $ 501 to $750 28 3.75 % to 6.70% 2021-01 - 2052-01 16,773 — 536 $ 751 to $1,000 12 4.13 % to 5.43% 2026-12 - 2052-01 9,764 — — over $1,000 74 3.38 % to 7.15% 2020-01 - 2052-01 288,896 — 4,677 Total SFR at Redwood: 245 $ 348,232 $ 89 $ 5,384 SFR at CAFL: Fixed loans: $ — to $250 5 5.77 % to 6.80% 2023-01 - 2024-04 $ 398 $ 20 $ — $ 251 to $500 73 4.64 % to 7.03% 2022-02 - 2031-02 32,106 466 257 $ 501 to $750 199 4.00 % to 7.06% 2022-02 - 2031-10 123,685 717 1,224 $ 751 to $1,000 134 4.20 % to 7.23% 2022-03 - 2031-09 116,724 788 — over $1,000 762 3.81 % to 7.57% 2022-03 - 2030-10 3,068,036 26,481 40,518 Total SFR at CAFL: 1,173 $ 3,340,949 $ 28,472 $ 41,999 Bridge at Redwood Fixed Loans: $ — to $250 115 5.95 % to 12.00% 2019-08 - 2023-11 $ 12,850 $ 426 $ 1,493 $ 251 to $500 26 5.95 % to 10.00% 2020-05 - 2023-09 9,294 253 1,619 $ 501 to $750 13 6.70 % to 10.00% 2021-02 - 2022-11 8,498 637 2,012 $ 751 to $1,000 9 5.45 % to 10.00% 2021-09 - 2022-10 7,544 980 — over $1,000 24 5.45 % to 10.00% 2020-07 - 2023-10 57,880 11,699 11,992 187 96,066 13,995 17,116 Floating Loans: $ — to $250 737 4.25 % to 10.00% 2019-08 - 2023-11 $ 65,611 $ 773 $ — $ 251 to $500 123 4.25 % to 8.25% 2020-05 - 2023-12 42,248 — — $ 501 to $750 9 5.75 % to 8.60% 2021-03 - 2024-02 5,724 — — $ 751 to $1,000 12 5.75 % to 7.50% 2020-12 - 2024-02 10,200 945 916 over $1,000 66 4.90 % to 9.50% 2021-03 - 2024-12 450,543 1,680 — 947 574,326 3,398 916 Total Bridge at Redwood: 1,134 $ 670,392 $ 17,393 $ 18,032 Bridge at CAFL: Fixed loans: $ — to $250 808 5.45 % to 10.65% 2022-01 - 2023-05 $ 58,110 $ — $ — $ 251 to $500 70 5.95 % to 10.50% 2022-01 - 2023-03 23,488 — — $ 501 to $750 24 5.95 % to 9.99% 2022-01 - 2023-08 15,041 — — $ 751 to $1,000 7 5.45 % to 8.99% 2022-01 - 2023-04 6,375 — — over $1,000 11 6.25 % to 9.00% 2022-01 - 2023-11 32,864 — — 920 135,878 — — Floating Loans: $ — to $250 681 5.85 % to 10.50% 2021-10 - 2023-09 $ 77,001 $ 2,091 $ — $ 251 to $500 13 5.95 % to 8.35% 2021-10 - 2023-09 4,088 783 — $ 501 to $750 5 5.75 % to 8.50% 2021-10 - 2023-10 3,097 552 — $ 751 to $1,000 3 6.75 % to 7.25% 2022-04 - 2023-06 2,546 — — over $1,000 18 5.75 % to 10.00% 2021-11 - 2023-12 52,007 — — 720 138,739 3,426 — Total Bridge at CAFL: 1,640 $ 274,617 $ 3,426 $ — December 31, 2020 (In Thousands) Loan Balance Number of Interest Maturity Total 30-89 90+ SFR HFS: Fixed loans: $ — to $250 8 6.25 % to 7.75% 2027-03 - 2050-03 $ 1,060 $ — $ 635 $ 251 to $500 1 5.97 % to 5.97% 2021-02 - 2021-02 483 — — $ 501 to $750 6 5.84 % to 6.75% 2026-01 - 2031-01 3,632 — — $ 751 to $1,000 10 5.15 % to 6.39% 2020-05 - 2031-01 8,936 — 1,815 over $1,000 40 3.82 % to 5.95% 2020-07 - 2031-01 220,364 — 4,677 Total SFR HFS: 65 $ 234,475 $ — $ 7,127 SFR HFI at CAFL: Fixed loans: $ — to $250 5 5.77 % to 7.05% 2022-07 - 2030-08 $ 1,016 $ — $ — $ 251 to $500 67 4.64 % to 6.96% 2021-07 - 2031-01 29,977 — — $ 501 to $750 212 4.12 % to 7.06% 2020-11 - 2030-12 130,665 — 1,752 $ 751 to $1,000 131 4.33 % to 7.23% 2021-01 - 2031-01 113,874 764 750 over $1,000 679 3.93 % to 7.57% 2020-11 - 2031-01 2,741,605 3,867 58,938 Total SFR HFI at CAFL: 1,094 $ 3,017,137 $ 4,631 $ 61,440 Residential Bridge Fixed loans: $ — to $250 393 6.99 % to 12.00% 2019-08 - 2022-12 $ 44,225 $ 6,530 $ 1,668 $ 251 to $500 90 6.99 % to 13.00% 2020-05 - 2021-11 30,472 945 1,423 $ 501 to $750 31 6.99 % to 10.00% 2020-07 - 2021-10 18,843 — 540 $ 751 to $1,000 12 6.99 % to 9.50% 2020-10 - 2022-03 10,430 — 943 over $1,000 65 6.04 % to 10.25% 2020-03 - 2022-12 203,215 — 34,841 591 $ 307,185 $ 7,475 $ 39,415 Floating Loans: $ — to $250 1,047 5.75 % to 10.25% 2020-11 - 2022-08 $ 84,371 $ — $ — $ 251 to $500 20 6.65 % to 8.60% 2020-11 - 2021-12 7,135 — — $ 501 to $750 8 7.05 % to 8.50% 2020-11 - 2021-10 4,940 — — $ 751 to $1,000 9 6.50 % to 8.00% 2020-12 - 2021-11 7,795 — — over $1,000 50 6.50 % to 9.50% 2021-01 - 2022-12 238,105 — — 1,134 $ 342,346 $ — $ — Total Residential Bridge: 1,725 $ 649,531 $ 7,475 $ 39,415 T he following table displays the loan product type and accompanying loan characteristics of multifamily loans recorded on our consolidated balance sheets at December 31, 2021. Table 8.4 – Product Types and Characteristics of Multifamily Loans December 31, 2021 (In Thousands) Loan Balance Number of Interest Maturity Total 30-89 90+ Fixed loans: $ 10,001 to $20,000 24 4.25 % to 4.25% 2025-09 - 2025-09 $ 364,811 $ — $ — $ 20,001 to $30,000 4 4.25 % to 4.25% 2025-09 - 2025-09 90,357 — — Total: 28 $ 455,168 $ — $ — December 31, 2020 (In Thousands) Loan Balance Number of Interest Maturity Total 30-89 90+ Fixed loans: $ 10,001 to $20,000 24 4.25 % to 4.25% 2025-09 - 2025-09 $ 370,934 $ — $ — $ 20,001 to $30,000 4 4.25 % to 4.25% 2025-09 - 2025-09 91,874 — — Total: 28 $ 462,808 $ — $ —

Real Estate Securities (Tables)

Real Estate Securities (Tables)	12 Months Ended
	Dec. 31, 2021
Investments, Debt and Equity Securities [Abstract]
Fair Values of Real Estate Securities by Collateral Type and Entity	The following table presents the fair values of our real estate securities by type at December 31, 2021 and 2020. Table 9.1 – Fair Values of Real Estate Securities by Type (In Thousands) December 31, 2021 December 31, 2020 Trading $ 170,619 $ 125,667 Available-for-sale 206,792 218,458 Total Real Estate Securities $ 377,411 $ 344,125
Trading Securities by Collateral Type	The following table presents the fair value of trading securities by position and collateral type at December 31, 2021 and 2020. Table 9.2 – Fair Value of Trading Securities by Position (In Thousands) December 31, 2021 December 31, 2020 Senior Interest-only securities (1) $ 21,787 $ 28,464 Total Senior 21,787 28,464 Mezzanine Sequoia securities — 3,649 Total Mezzanine — 3,649 Subordinate RPL securities 65,140 47,448 Multifamily securities 10,549 5,592 Other third-party residential securities 73,143 40,514 Total Subordinate 148,832 93,554 Total Trading Securities $ 170,619 $ 125,667 (1) Includes $15 million and $13 million of Sequoia certificated mortgage servicing rights as of December 31, 2021 and 2020, respectively. The following table presents the unpaid principal balance of trading securities by position and collateral type at December 31, 2021 and 2020. Table 9.3 – Unpaid Principal Balance of Trading Securities by Position (In Thousands) December 31, 2021 December 31, 2020 Senior (1) $ — $ — Mezzanine — 3,577 Subordinate 235,306 242,278 Total Trading Securities $ 235,306 $ 245,855 (1) Our senior trading securities are comprised of interest-only securities, for which there is no principal balance. The following table provides the activity of trading securities during the years ended December 31, 2021 and 2020. Table 9.4 – Trading Securities Activity Year Ended December 31, (In Thousands) 2021 2020 Principal balance of securities acquired (1) $ 50,180 $ 79,921 Principal balance of securities sold (1) 55,561 744,914 Net market valuation gains (losses) recorded (2) 23,583 (230,731) (1) For the years ended December 31, 2021 and 2020, excludes $5 million and $11 million of securities bought and sold during the same quarter, respectively. (2) Net market valuation gains (losses) on trading securities are recorded through Investment fair value changes, net and Mortgage banking activities, net on our consolidated statements of income (loss).
Available for Sale Securities by Collateral Type	The following table presents the fair value of our available-for-sale securities by position and collateral type at December 31, 2021 and 2020. Table 9.5 – Fair Value of Available-for-Sale Securities by Position (In Thousands) December 31, 2021 December 31, 2020 Mezzanine Other third-party residential securities $ — $ 2,014 Total Mezzanine — 2,014 Subordinate Sequoia securities 127,542 136,475 Multifamily securities 22,166 43,663 Other third-party residential securities 57,084 36,306 Total Subordinate 206,792 216,444 Total AFS Securities $ 206,792 $ 218,458 The following table provides the activity of available-for-sale securities during the years ended December 31, 2021 and 2020. Table 9.6 – Available-for-Sale Securities Activity Year Ended December 31, (In Thousands) 2021 2020 Fair value of securities acquired (1) $ 19,100 $ 57,652 Fair value of securities sold (1) 4,785 55,192 Principal balance of securities called 27,875 7
Components of Carrying Value (Which Equals Fair Value) of Residential Available for Sale Securities	The following table presents the components of carrying value (which equals fair value) of AFS securities at December 31, 2021 and 2020. Table 9.7 – Carrying Value of AFS Securities December 31, 2021 (In Thousands) Mezzanine Subordinate Total Principal balance $ — $ 242,852 $ 242,852 Credit reserve — (27,555) (27,555) Unamortized discount, net — (76,023) (76,023) Amortized cost — 139,274 139,274 Gross unrealized gains — 67,815 67,815 Gross unrealized losses — (297) (297) CECL credit allowance — — — Carrying Value $ — $ 206,792 $ 206,792 December 31, 2020 (In Thousands) Mezzanine Subordinate Total Principal balance $ 2,000 $ 281,284 $ 283,284 Credit reserve — (44,967) (44,967) Unamortized discount, net — (95,718) (95,718) Amortized cost 2,000 140,599 142,599 Gross unrealized gains 14 77,280 77,294 Gross unrealized losses — (1,047) (1,047) CECL credit allowance — (388) (388) Carrying Value $ 2,014 $ 216,444 $ 218,458
Changes of Unamortized Discount and Designated Credit Reserves on Residential Available for Sale Securities	The following table presents the changes for the years ended December 31, 2021 and 2020, in unamortized discount and designated credit reserves on residential AFS securities. Table 9.8 – Changes in Unamortized Discount and Designated Credit Reserves on AFS Securities Year Ended December 31, 2021 Year Ended December 31, 2020 Credit Unamortized Credit Unamortized (In Thousands) Beginning balance $ 44,967 $ 95,718 $ 32,940 $ 124,255 Amortization of net discount — (23,254) — (6,538) Realized credit losses (707) — (2,282) — Acquisitions 2,825 1,208 7,248 2,634 Sales, calls, other (1,328) (15,851) (731) (16,841) Impairments — — — — Transfers to (release of) credit reserves, net (18,202) 18,202 7,792 (7,792) Ending Balance $ 27,555 $ 76,023 $ 44,967 $ 95,718
Components of Carrying Value of Available for Sale Securities in Unrealized Loss Position	The following table presents the components comprising the total carrying value of residential AFS securities that were in a gross unrealized loss position at December 31, 2021 and 2020. Table 9.9 – Components of Fair Value of AFS Securities by Holding Periods Less Than 12 Consecutive Months 12 Consecutive Months or Longer Amortized Unrealized Fair Amortized Unrealized Fair (In Thousands) December 31, 2021 $ 7,078 $ (251) $ 6,827 $ 1,600 $ (46) $ 1,554 December 31, 2020 9,129 (1,047) 7,920 — — —
Debt Securities, Available-for-sale, Allowance for Credit Loss	The following table details the activity related to the allowance for credit losses for AFS securities held at December 31, 2021. Table 9.10 – Rollforward of Allowance for Credit Losses Year Ended Year Ended (In Thousands) December 31, 2021 December 31, 2020 Beginning balance allowance for credit losses $ 388 $ — Transition impact from adoption of ASU 2016-13, "Financial Instruments - Credit Losses" — — Additions to allowance for credit losses on securities for which credit losses were not previously recorded — 1,864 Additional increases or decreases to the allowance for credit losses on securities that had an allowance recorded in a previous period (388) (1,476) Allowance on purchased financial assets with credit deterioration — — Reduction to allowance for securities sold during the period — — Reduction to allowance for securities we intend to sell or more likely than not will be required to sell — — Write-offs charged against allowance — — Recoveries of amounts previously written off — — Ending balance of allowance for credit losses $ — $ 388
Gross Realized Gains and Losses on Sales and Calls of Available for Sale Securities	The following table presents the gross realized gains and losses on sales and calls of AFS securities for the years ended December 31, 2021, 2020, and 2019. Table 9.11 – Gross Realized Gains and Losses on AFS Securities Years Ended December 31, (In Thousands) 2021 2020 2019 Gross realized gains - sales $ 1,540 $ 8,779 $ 17,582 Gross realized gains - calls 15,553 5 6,239 Gross realized losses - sales — (4,144) — Total Realized Gains on Sales and Calls of AFS Securities, net $ 17,093 $ 4,640 $ 23,821

Other Investments (Tables)

Other Investments (Tables)	12 Months Ended
	Dec. 31, 2021
Investments, All Other Investments [Abstract]
Summary of Other Investments	Other investments at December 31, 2021 and 2020 are summarized in the following table. Table 10.1 – Components of Other Investments (In Thousands) December 31, 2021 December 31, 2020 Servicer advance investments $ 350,923 $ 231,489 HEIs 192,740 42,440 Strategic investments 35,702 4,449 Excess MSRs 44,231 34,418 Mortgage servicing rights 12,438 8,815 Other 5,935 26,564 Total Other Investments $ 641,969 $ 348,175
Components of Servicer Advance Investments	The servicer advance receivables were comprised of the following types of advances at December 31, 2021 and 2020: Table 10.2 – Components of Servicer Advance Receivables (In Thousands) December 31, 2021 December 31, 2020 Principal and interest advances $ 94,148 $ 110,923 Escrow advances (taxes and insurance advances) 172,847 79,279 Corporate advances 43,958 27,454 Total Servicer Advance Receivables $ 310,953 $ 217,656

Derivative Financial Instrume_2

Derivative Financial Instruments (Tables)	12 Months Ended
	Dec. 31, 2021
Derivative Instruments and Hedging Activities Disclosure [Abstract]
Aggregate Fair Value and Notional Amount of Derivative Financial Instruments	The following table presents the fair value and notional amount of our derivative financial instruments at December 31, 2021 and 2020. Table 11.1 – Fair Value and Notional Amount of Derivative Financial Instruments December 31, 2021 December 31, 2020 Fair Notional Fair Notional (In Thousands) Assets - Risk Management Derivatives Interest rate swaps $ 611 $ 161,500 $ 224 $ 42,000 TBAs 2,880 2,440,000 18,260 3,520,000 Interest rate futures 25 9,000 — — Swaptions 18,318 1,660,000 19,727 1,585,000 Assets - Other Derivatives Loan purchase and interest rate lock commitments 4,633 971,631 15,027 2,617,254 Total Assets $ 26,467 $ 5,242,131 $ 53,238 $ 7,764,254 Liabilities - Risk Management Derivatives Interest rate swaps (1,251) 283,100 — — TBAs (658) 870,000 (15,495) 3,105,000 Interest rate futures (905) 62,500 — — Liabilities - Other Derivatives Loan purchase commitments (503) 404,190 (577) 477,153 Total Liabilities $ (3,317) $ 1,619,790 $ (16,072) $ 3,582,153 Total Derivative Financial Instruments, Net $ 23,150 $ 6,861,921 $ 37,166 $ 11,346,407
Impact on Interest Expense of Interest Rate Agreements Accounted for as Cash Flow Hedges	The following table illustrates the impact on interest expense of our interest rate agreements accounted for as cash flow hedges for the years ended December 31, 2021, 2020, and 2019. Table 11.2 – Impact on Interest Expense of Interest Rate Agreements Accounted for as Cash Flow Hedges Years Ended December 31, (In Thousands) 2021 2020 2019 Net interest expense on cash flows hedges $ — $ (860) $ (2,847) Realized net losses reclassified from other comprehensive income (4,127) (3,188) — Total Interest Expense $ (4,127) $ (4,048) $ (2,847)

Other Assets and Liabilities (T

Other Assets and Liabilities (Tables)	12 Months Ended
	Dec. 31, 2021
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]
Summary of Other Assets	Other assets at December 31, 2021 and 2020 are summarized in the following table. Table 12.1 – Components of Other Assets (In Thousands) December 31, 2021 December 31, 2020 Investment receivable $ 82,781 $ 43,176 Accrued interest receivable 47,515 39,445 REO 36,126 8,413 Deferred tax asset 20,867 871 Operating lease right-of-use assets 18,772 15,012 Fixed assets and leasehold improvements (1) 9,019 4,203 Margin receivable 7,269 4,758 Pledged collateral — 1,177 Other 8,768 13,533 Total Other Assets $ 231,117 $ 130,588
Summary of Accrued Expenses and Other Liabilities	Accrued expenses and other liabilities at December 31, 2021 and 2020 are summarized in the following table. Table 12.2 – Components of Accrued Expenses and Other Liabilities (In Thousands) December 31, 2021 December 31, 2020 Accrued compensation $ 74,636 $ 24,393 Payable to non-controlling interests 42,670 16,941 Accrued interest payable 39,297 34,858 Margin payable 24,368 14,728 Operating lease liabilities 20,960 16,687 Residential loan and MSR repurchase reserve 9,306 8,631 Guarantee obligations 7,459 10,039 Accrued operating expenses 4,377 5,509 Bridge loan holdbacks 3,109 5,708 Accrued income taxes payable 726 5,614 Deferred consideration — 14,579 Other 18,880 21,653 Total Accrued Expenses and Other Liabilities $ 245,788 $ 179,340
Other Real Estate, Roll Forward	The following table summarizes the activity and carrying values of REO assets held at Redwood and at consolidated Legacy Sequoia, Freddie Mac SLST, and CAFL entities during the year ended December 31, 2021 and 2020. Table 12.3 – REO Activity Year Ended December 31, 2021 (In Thousands) Bridge Legacy Sequoia Freddie Mac SLST SFR at CAFL Total Balance at beginning of period $ 4,600 $ 638 $ 646 $ 2,529 $ 8,413 Transfers to REO 15,424 217 3,268 21,129 40,038 Liquidations (1) (7,515) (956) (2,137) (2,034) (12,642) Changes in fair value, net 559 162 251 (655) 317 Balance at End of Period $ 13,068 $ 61 $ 2,028 $ 20,969 $ 36,126 Year Ended December 31, 2020 (In Thousands) Bridge Legacy Sequoia Freddie Mac SLST SFR at CAFL Total Balance at beginning of period $ 6,887 $ 460 $ 445 $ 1,670 $ 9,462 Transfers to REO 6,111 532 1,319 6,157 14,119 Liquidations (1) (8,830) (243) (1,178) (4,371) (14,622) Changes in fair value, net 432 (111) 60 (927) (546) Balance at End of Period $ 4,600 $ 638 $ 646 $ 2,529 $ 8,413 (1) For the years ended December 31, 2021 and 2020, REO liquidations resulted in $0.3 million and $1 million of realized losses, respectively, which were recorded in Investment fair value changes, net on our consolidated statements of income (loss). The following table provides the detail of REO assets at Redwood and at consolidated Legacy Sequoia, Freddie Mac SLST, and CAFL entities at December 31, 2021 and 2020. Table 12.4 – REO Assets Number of REO assets Redwood Bridge Legacy Sequoia Freddie Mac SLST SFR at CAFL Total At December 31, 2021 5 2 24 3 34 At December 31, 2020 3 3 9 2 17

Short-Term Debt (Tables)

Short-Term Debt (Tables)	12 Months Ended
	Dec. 31, 2021
Debt Disclosure [Abstract]
Outstanding Balances of Short-Term Debt by Type of Collateral Securing Debt	The table below summarizes our short-term debt, including the facilities that are available to us, the outstanding balances, the weighted average interest rate, and the maturity information at December 31, 2021 and 2020. Table 13.1 – Short-Term Debt December 31, 2021 (Dollars in Thousands) Number of Facilities Outstanding Balance Limit Weighted Average Interest Rate (1) Maturity Weighted Average Days Until Maturity Facilities Residential loan warehouse (1) 7 $ 1,669,344 $ 2,900,000 1.87 % 1/2022-12/2022 153 Business purpose loan warehouse 2 138,746 350,000 3.34 % 3/2022-7/2022 105 Real estate securities repo 4 74,825 — 1.13 % 1/2022-3/2022 33 Total Short-Term Debt Facilities 13 1,882,915 Servicer advance financing 1 294,447 350,000 1.90 % 11/2022 306 Total Short-Term Debt $ 2,177,362 December 31, 2020 (Dollars in Thousands) Number of Facilities Outstanding Balance Limit Weighted Average Interest Rate (1) Maturity Weighted Average Days Until Maturity Facilities Residential loan warehouse 4 $ 137,269 $ 1,300,000 2.45 % 1/2021-11/2021 268 Business purpose loan warehouse (2) 2 99,190 500,000 3.37 % 5/2022-6/2022 521 Real estate securities repo 3 77,775 — 2.24 % 1/2021-3/2021 36 Total Short-Term Debt Facilities 9 314,234 Servicer advance financing 1 208,375 335,000 1.95 % 11/2021 334 Total Short-Term Debt $ 522,609 (1) Borrowings under our facilities are generally uncommitted and charged interest based on a specified margin over the 1- or 3-month LIBOR, or 1-month SOFR.
Collateral for Short-Term Debt	The following table below presents the value of loans and securities pledged as collateral under our short-term debt facilities at December 31, 2021 and 2020. Table 13.2 – Collateral for Short-Term Debt (In Thousands) December 31, 2021 December 31, 2020 Collateral Type Held-for-sale residential loans $ 1,838,797 $ 156,355 Business purpose loans 167,687 127,029 Real estate securities On balance sheet 5,823 23,193 Sequoia securitizations (1) 61,525 63,105 Freddie Mac K-Series securitizations (1) 31,657 28,255 Total real estate securities owned 99,005 114,553 Other assets 1,962 315 Total Collateral for Short-Term Debt Facilities $ 2,107,451 $ 398,252 Cash 6,480 9,978 Restricted cash 25,420 23,220 Servicer advances 310,953 217,656 Total Collateral for Servicer Advance Financing 342,853 250,854 Total Collateral for Short-Term Debt $ 2,450,304 $ 649,106
Remaining Maturities of Short Term Debt	The following table presents the remaining maturities of our secured short-term debt by the type of collateral securing the debt as well as our convertible notes at December 31, 2021. Table 13.3 – Short-Term Debt by Collateral Type and Remaining Maturities December 31, 2021 (In Thousands) Within 30 days 31 to 90 days Over 90 days Total Collateral Type Held-for-sale residential loans $ 101,885 $ 1,022,271 $ 545,188 $ 1,669,344 Business purpose loans — 103,925 34,821 138,746 Real estate securities 43,833 30,992 — 74,825 Total Secured Short-Term Debt 145,718 1,157,188 580,009 1,882,915 Servicer advance financing — — 294,447 294,447 Total Short-Term Debt $ 145,718 $ 1,157,188 $ 874,456 $ 2,177,362

Asset-Backed Securities Issued

Asset-Backed Securities Issued (Tables)	12 Months Ended
	Dec. 31, 2021
Debt Disclosure [Abstract]
Carrying Value of ABS Issued by Consolidated Securitization Entities Sponsored, along with Other Selected Information	Table 14.1 – Asset-Backed Securities Issued December 31, 2021 (Dollars in Thousands) Legacy Sequoia CAFL (1) Freddie Mac SLST (2) Freddie Mac Point HEI Total Certificates with principal balance $ 259,505 $ 3,353,073 $ 3,264,766 $ 1,535,638 $ 418,700 $ 138,792 $ 8,970,474 Interest-only certificates 619 32,749 193,725 11,714 10,184 — 248,991 Market valuation adjustments (32,243) (2,774) 16,407 41,111 12,973 (1,382) 34,092 ABS Issued, Net $ 227,881 $ 3,383,048 $ 3,474,898 $ 1,588,463 $ 441,857 $ 137,410 $ 9,253,557 Range of weighted average interest rates, by series (3) 0.23% to 1.44% 2.4% to 5.03% 2.64% to 5.24% 3.50% to 4.75% 3.41 % 3.31 % Stated maturities (3) 2024 - 2036 2047-2052 2027-2031 2028-2059 2025 2052 Number of series 20 16 16 3 1 1 December 31, 2020 (Dollars in Thousands) Legacy Sequoia CAFL (1) Freddie Mac SLST (2) Freddie Mac K-Series Point HEI Total Certificates with principal balance $ 329,039 $ 1,309,957 $ 2,716,425 $ 1,866,145 $ 416,339 $ — $ 6,637,905 Interest-only certificates 1,092 4,591 162,934 23,335 13,026 — 204,978 Market valuation adjustments (47,805) 32,809 133,734 104,439 34,601 — 257,778 ABS Issued, Net $ 282,326 $ 1,347,357 $ 3,013,093 $ 1,993,919 $ 463,966 $ — $ 7,100,661 Range of weighted average interest rates, by series 0.35% to 1.55% 2.25% to 5.04% 2.68% to 5.42% 3.50% to 4.75% 3.39% to 3.39% — Stated maturities 2024 - 2036 2047 - 2050 2021 - 2031 2028 - 2059 2025 — Number of series 20 10 14 3 1 — (1) Includes $270 million (principal balance) of ABS issued by a CAFL bridge securitization trust sponsored by Redwood and accounted for at amortized cost at December 31, 2021. (2) Includes $145 million and $205 million (principal balance) of ABS issued by a re-securitization trust sponsored by Redwood and accounted for at amortized cost at December 31, 2021 and December 31, 2020, respectively.
Schedule of Interest Payable On Asset-Backed Securities Issued	The following table summarizes the accrued interest payable on ABS issued at December 31, 2021 and 2020. Interest due on consolidated ABS issued is payable monthly. Table 14.2 – Accrued Interest Payable on Asset-Backed Securities Issued (In Thousands) December 31, 2021 December 31, 2020 Legacy Sequoia $ 99 $ 141 Sequoia 8,452 4,697 Freddie Mac SLST (1) 4,630 5,656 Freddie Mac K-Series 1,190 1,177 CAFL 11,030 10,122 Total Accrued Interest Payable on ABS Issued $ 25,401 $ 21,793 (1) Includes accrued interest payable on ABS issued by a re-securitization trust sponsored by Redwood.

Long-Term Debt (Tables)

Long-Term Debt (Tables)	12 Months Ended
	Dec. 31, 2021
Debt Disclosure [Abstract]
Schedule of Long-term Debt Instruments	The table below summarizes our long-term debt, including the facilities that are available to us, the outstanding balances, the weighted average interest rate, and the maturity information at December 31, 2021 and 2020. Table 15.1 – Long-Term Debt December 31, 2021 (Dollars in Thousands) Borrowings Unamortized Deferred Issuance Costs / Discount Net Carrying Value Limit Weighted Average Interest Rate (1) Final Maturity Facilities Recourse Subordinate Securities Financing Facility A $ 144,385 $ (313) $ 144,072 N/A 4.21 % 9/2024 CAFL Facility B 102,351 (353) 101,998 N/A 4.21 % 2/2025 Facility G 91,707 (376) 91,331 N/A 4.75 % 6/2026 Non-Recourse BPL Financing Facility H 307,215 (507) 306,708 400,000 L + 2.75% N/A Recourse BPL Financing Facility F 234,349 (123) 234,226 450,000 L + 2.21% 9/2023 Facility I 110,148 — 110,148 450,000 L + 3.35% 6/2023 Total Long-Term Debt Facilities 990,155 (1,672) 988,483 Convertible notes 4.75% convertible senior notes 198,629 (1,836) 196,793 N/A 4.75 % 8/2023 5.625% convertible senior notes 150,200 (2,072) 148,128 N/A 5.625 % 7/2024 5.75% exchangeable senior notes 172,092 (3,384) 168,708 N/A 5.75 % 10/2025 Trust preferred securities and subordinated notes 139,500 (779) 138,721 N/A L + 2.25% 7/2037 Total Long-Term Debt $ 1,650,576 $ (9,743) $ 1,640,833 December 31, 2020 (Dollars in Thousands) Borrowings Unamortized Deferred Issuance Costs / Discount Net Carrying Value Limit Weighted Average Interest Rate (1) Final Maturity Facilities Recourse Subordinate Securities Financing Facility A $ 178,167 $ (729) $ 177,438 N/A 4.21 % 9/2024 Facility B 102,856 (656) 102,200 N/A 4.21 % 2/2025 Non-Recourse BPL Financing Facility C 251,721 (2,452) 249,269 372,248 L + 7.50% 6/2022 Facility D 115,081 (666) 114,415 185,240 L + 3.85% 7/2022 Recourse BPL Financing Facility E 51,950 (488) 51,462 350,000 L + 3.00% 5/2022 Facility F 80,135 (193) 79,942 250,000 L + 3.00% 9/2023 Total Long-Term Debt Facilities 779,910 (5,184) 774,726 FHLBC borrowings 1,000 — 1,000 1,000 0.30 % 1/2026 Convertible notes 4.75% convertible senior notes 198,629 (2,862) 195,767 N/A 4.75 % 8/2023 5.625% convertible senior notes 150,200 (2,815) 147,385 N/A 5.625 % 7/2024 5.75% exchangeable senior notes 172,092 (4,159) 167,933 N/A 5.75 % 10/2025 Trust preferred securities and subordinated notes 139,500 (826) 138,674 N/A L + 2.25% 7/2037 Total Long-Term Debt $ 1,441,331 $ (15,846) $ 1,425,485 (1) Variable rate borrowings are based on 1- or 3-month LIBOR ("L" in the table above) plus an applicable spread. The following table summarizes the accrued interest payable on long-term debt at December 31, 2021 and 2020. Table 15.3 – Accrued Interest Payable on Long-Term Debt (In Thousands) December 31, 2021 December 31, 2020 Long-term debt facilities $ 815 $ 1,799 Convertible notes 4.75% convertible senior notes 3,564 3,564 5.625% convertible senior notes 3,896 3,896 5.75% exchangeable senior notes 2,474 2,474 Trust preferred securities and subordinated notes 581 669 Total Accrued Interest Payable on Long-Term Debt $ 11,330 $ 12,402
Schedule of Financial Instruments Owned and Pledged as Collateral	The following table summarizes the value of loans and securities pledged as collateral under our long-term debt facilities at December 31, 2021 and 2020. Table 15.2 – Long-Term Debt (In Thousands) December 31, 2021 December 31, 2020 Collateral Type Bridge loans $ 554,597 $ 544,151 Single-family rental loans 244,703 154,774 Real estate securities Sequoia securitizations (1) 247,227 249,446 CAFL securitizations (1) 260,405 114,044 Total real estate securities owned 507,632 363,490 Other BPL investments — 21,414 Restricted cash — 1,100 Total Collateral for Long-Term Debt $ 1,306,932 $ 1,084,929

Commitments and Contingencies (

Commitments and Contingencies (Tables)	12 Months Ended
	Dec. 31, 2021
Commitments and Contingencies Disclosure [Abstract]
Future Lease Commitments	The following table presents our future lease commitments at December 31, 2021. Table 16.1 – Future Lease Commitments by Year (In Thousands) December 31, 2021 2022 $ 4,163 2023 4,428 2024 4,338 2025 3,552 2026 3,420 2027 and thereafter 4,553 Total Lease Commitments 24,454 Less: Imputed interest (3,494) Operating Lease Liabilities $ 20,960

Equity (Tables)

Equity (Tables)	12 Months Ended
	Dec. 31, 2021
Equity [Abstract]
Changes to Accumulated Other Comprehensive Income (Loss) by Component	The following table provides a summary of changes to accumulated other comprehensive income by component for the years ended December 31, 2021 and 2020. Table 17.1 – Changes in Accumulated Other Comprehensive Income (Loss) by Component Years Ended December 31, 2021 2020 (In Thousands) Net Unrealized Gains on Available-for-Sale Securities Net Unrealized Losses on Interest Rate Agreements Accounted for as Cash Flow Hedges Net Unrealized Gains on Available-for-Sale Securities Net Unrealized Losses on Interest Rate Agreements Accounted for as Cash Flow Hedges Balance at beginning of period $ 76,336 $ (80,557) $ 92,452 $ (50,939) Other comprehensive income (loss) 8,016 — (3,951) (32,806) Amounts reclassified from other accumulated comprehensive income (loss) (16,849) 4,127 (12,165) 3,188 Net current-period other comprehensive (loss) income (8,833) 4,127 (16,116) (29,618) Balance at End of Period $ 67,503 $ (76,430) $ 76,336 $ (80,557)
Reclassifications out of Accumulated Other Comprehensive Income (Loss)	The following table provides a summary of reclassifications out of accumulated other comprehensive income for the years ended December 31, 2021 and 2020. Table 17.2 – Reclassifications Out of Accumulated Other Comprehensive Income (Loss) Amount Reclassified From Affected Line Item in the Year Ended December 31, (In Thousands) Income Statement 2021 2020 Net Realized (Gain) Loss on AFS Securities (Decrease) increase in allowance for credit losses on AFS securities Investment fair value changes, net $ (388) $ 388 Gain on sale of AFS securities Realized gains, net (16,461) (12,553) $ (16,849) $ (12,165) Net Realized Loss on Interest Rate Amortization of deferred loss Interest expense $ 4,127 $ 3,188 $ 4,127 $ 3,188
Basic and Diluted Earnings (Loss) Per Common Share	The following table provides the basic and diluted earnings per common share computations for the years ended December 31, 2021, 2020, and 2019. Table 17.3 – Basic and Diluted Earnings per Common Share Years Ended December 31, (In Thousands, except Share Data) 2021 2020 2019 Basic Earnings (Loss) per Common Share: Net income (loss) attributable to Redwood $ 319,613 $ (581,847) $ 169,183 Less: Dividends and undistributed earnings allocated to participating securities (10,635) (1,990) (4,797) Net income (loss) allocated to common shareholders $ 308,978 $ (583,837) $ 164,386 Basic weighted average common shares outstanding 113,230,190 113,935,605 101,120,744 Basic Earnings (Loss) per Common Share $ 2.73 $ (5.12) $ 1.63 Diluted Earnings (Loss) per Common Share: Net income (loss) attributable to Redwood $ 319,613 $ (581,847) $ 169,183 Less: Dividends and undistributed earnings allocated to participating securities (9,880) (1,990) (5,273) Adjust for interest expense and gain on extinguishment of convertible notes for the period, net of tax 27,463 — 36,212 Net income (loss) allocated to common shareholders $ 337,196 $ (583,837) $ 200,122 Weighted average common shares outstanding 113,230,190 113,935,605 101,147,225 Net effect of dilutive equity awards 273,236 — 251,100 Net effect of assumed convertible notes conversion to common shares 28,566,875 — 35,382,269 Diluted weighted average common shares outstanding 142,070,301 113,935,605 136,780,594 Diluted Earnings (Loss) per Common Share $ 2.37 $ (5.12) $ 1.46

Equity Compensation Plans (Tabl

Equity Compensation Plans (Tables)	12 Months Ended
	Dec. 31, 2021
Share-based Payment Arrangement [Abstract]
Equity Compensation Plans	Table 18.1 – Activities of Equity Compensation Costs by Award Type Year Ended December 31, 2021 (In Thousands) Restricted Stock Awards Restricted Stock Units Deferred Stock Units Performance Stock Units Employee Stock Purchase Plan Total Unrecognized compensation cost at beginning of period $ 564 $ 3,540 $ 17,766 $ 5,794 $ — $ 27,664 Equity grants — 2,371 18,380 8,125 361 29,237 Performance-based valuation adjustment — — — 1,072 — 1,072 Equity grant forfeitures (2) (695) (550) — — (1,247) Equity compensation expense (478) (1,627) (9,123) (2,754) (361) (14,343) Unrecognized Compensation Cost at End of Period $ 84 $ 3,589 $ 26,473 $ 12,237 $ — $ 42,383
Restricted Stock Outstanding	The following table summarizes the activities related to RSAs for the years ended December 31, 2021, 2020, and 2019. Table 18.2 – Restricted Stock Awards Activities Years Ended December 31, 2021 2020 2019 Shares Weighted Shares Weighted Shares Weighted Outstanding at beginning of period 78,998 $ 15.23 216,470 $ 14.85 334,606 $ 14.92 Granted — — — — — — Vested (50,857) 15.50 (102,615) 14.44 (118,136) 15.05 Forfeited — — (34,857) 15.16 — — Outstanding at End of Period 28,141 $ 14.74 78,998 $ 15.23 216,470 $ 14.85 The following table summarizes the activities related to RSUs for the years ended December 31, 2021, 2020, and 2019. Table 18.3 – Restricted Stock Units Activities Years Ended December 31, 2021 2020 2019 Shares Weighted Shares Weighted Shares Weighted Outstanding at beginning of period 282,424 $ 16.09 275,173 $ 15.65 4,876 $ 15.38 Granted 272,261 8.80 205,482 16.86 270,297 15.66 Vested (78,270) 15.93 (68,076) 15.65 — — Forfeited (45,343) 15.75 (130,155) 16.60 — — Outstanding at End of Period 431,072 $ 11.55 282,424 $ 16.09 275,173 $ 15.65
Deferred Stock Units Activity	The following table summarizes the activities related to DSUs for the years ended December 31, 2021, 2020, and 2019. Table 18.4 – Deferred Stock Units Activities Years Ended December 31, 2021 2020 2019 Units Weighted Units Weighted Units Weighted Outstanding at beginning of period 2,805,144 $ 13.84 2,630,805 $ 15.66 2,336,720 $ 15.58 Granted 1,588,862 12.04 1,186,154 10.69 733,096 16.06 Distributions (340,757) 15.82 (720,562) 14.31 (419,113) 15.96 Forfeitures (31,161) 17.65 (291,253) 16.25 (19,898) 15.96 Balance at End of Period 4,022,088 $ 12.93 2,805,144 $ 13.84 2,630,805 $ 15.66
Summary of Activity Related to ESPP	The following table summarizes the activities related to the ESPP for the years ended December 31, 2021, 2020, and 2019. Table 18.5 – Employee Stock Purchase Plan Activities Years Ended December 31, (In Thousands) 2021 2020 2019 Balance at beginning of period $ 17 $ 4 $ 6 Employee purchases 595 347 524 Cost of common stock issued (605) (334) (526) Balance at End of Period $ 7 $ 17 $ 4
Summary of Activity Related to Executive Deferred Compensation Plan	The following table summarizes the cash account activities related to the EDCP for the years ended December 31, 2021, 2020, and 2019. Table 18.6 – EDCP Cash Accounts Activities Years Ended December 31, (In Thousands) 2021 2020 2019 Balance at beginning of period $ 2,289 $ 2,454 $ 2,484 New deferrals 1,017 726 789 Accrued interest 56 42 68 Withdrawals (632) (933) (887) Balance at End of Period $ 2,730 $ 2,289 $ 2,454

Mortgage Banking Activities (Ta

Mortgage Banking Activities (Tables)	12 Months Ended
	Dec. 31, 2021
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]
Components of Mortgage Banking Activities, Net	The following table presents the components of Mortgage banking activities, net, recorded in our consolidated statements of income (loss) for the years ended December 31, 2021, 2020, and 2019. Table 19.1 – Mortgage Banking Activities Years Ended December 31, (In Thousands) 2021 2020 2019 Residential Mortgage Banking Activities, Net Changes in fair value of: Residential loans, at fair value (1) $ 83,733 $ 41,284 $ 63,527 Trading securities (2) (352) (4,535) — Risk management derivatives (3) 38,352 (26,376) (17,519) Other income (expense), net (4) 5,418 (6,652) 1,735 Total residential mortgage banking activities, net 127,151 3,721 47,743 Business Purpose Mortgage Banking Activities, Net Changes in fair value of: Single-family rental loans, at fair value (1) 63,872 82,510 17,004 Risk management derivatives (3) 2,708 (21,403) 1,796 Bridge loans, at fair value 8,253 (4,998) 4,518 Other income, net (5) 33,760 18,642 16,205 Total business purpose mortgage banking activities, net 108,593 74,751 39,523 Mortgage Banking Activities, Net $ 235,744 $ 78,472 $ 87,266 (1) For residential loans, includes changes in fair value for associated loan purchase and forward sale commitments. For single-family rental loans, includes changes in fair value for associated interest rate lock commitments. (2) Represents fair value changes on trading securities that are being used along with risk management derivatives as hedges to manage the mark-to-market risks associated with our residential mortgage banking operations. (3) Represents market valuation changes of derivatives that were used to manage risks associated with our mortgage banking operations. (4) Amounts in this line item include other fee income from loan acquisitions, provisions for repurchase expense, and expenses related to resolving residential loan seller demands, presented net. (5) Amounts in this line item include other fee income from loan originations.

Other Income (Tables)

Other Income (Tables)	12 Months Ended
	Dec. 31, 2021
Other Income and Expenses [Abstract]
Interest and Other Income	The following table presents the components of Other income recorded in our consolidated statements of income (loss) for the years ended December 31, 2021, 2020 and 2019. Table 20.1 – Other Income Years Ended December 31, (In Thousands) 2021 2020 2019 MSR income (loss), net $ 2,380 $ (9,694) $ 3,521 Risk share income 2,815 4,367 3,522 FHLBC capital stock dividend 53 1,229 2,169 Bridge Loan Fees 4,194 3,812 1,451 BPL loan administration fee income 184 2,912 4,400 Gain on re-measurement of investment in 5 Arches — — 2,441 Other 2,392 1,562 1,753 Other Income $ 12,018 $ 4,188 $ 19,257

General and Administrative Ex_2

General and Administrative Expenses, Loan Acquisition Costs, and Other Expenses (Tables)	12 Months Ended
	Dec. 31, 2021
Other Income and Expenses [Abstract]
Components of Operating Expenses	Components of our general and administrative expenses, loan acquisition costs, and other expenses for the years ended December 31, 2021, 2020 and 2019 are presented in the following table. Table 21.1 – Components of General and Administrative Expenses, Loan Acquisition Costs, and Other Expenses Years Ended December 31, (In Thousands) 2021 2020 2019 General and Administrative Expenses Fixed compensation expense $ 46,328 $ 46,689 $ 39,639 Annual variable compensation expense 58,569 14,116 21,728 Long-term incentive award expense (1) 19,938 12,439 13,402 Acquisition-related equity compensation expense (2) 3,813 4,848 1,010 Systems and consulting 14,445 11,728 10,746 Office costs 7,837 7,794 6,310 Accounting and legal 4,975 7,928 5,450 Corporate costs 3,388 2,829 2,351 Other 11,566 6,833 8,101 Total General and Administrative Expenses 170,859 115,204 108,737 Loan Acquisition Costs Commissions 7,116 4,321 3,833 Underwriting costs 7,762 4,945 4,767 Transfer and holding costs 1,458 1,757 1,335 Total Loan Acquisition Costs 16,336 11,023 9,935 Other Expenses Goodwill impairment expense — 88,675 — Amortization of purchase-related intangible assets 15,304 15,925 8,696 Contingent consideration expense (3) — — 3,218 Other 1,391 4,185 1,108 Total Other Expenses 16,695 108,785 13,022 Total General and Administrative Expenses, Loan Acquisition Costs, and Other Expenses $ 203,890 $ 235,012 $ 131,694 (1) For the years ended December 31, 2021 and 2020, long-term incentive award expense includes $14 million and $10 million, respectively, of expense for awards settleable in shares of our common stock and $6 million and $2 million, respectively, of expense for awards settleable in cash. (2) Acquisition-related equity compensation expense relates to 588,260 shares of restricted stock that were issued to members of CoreVest management as a component of the consideration paid to them for our purchase of their interests in CoreVest in 2019. The grant date fair value of these restricted stock awards was $10 million, which was recognized as compensation expense over the two-year vesting period on a straight-line basis in accordance with GAAP. (3) Contingent consideration expense relates to the acquisition of 5 Arches during 2019. Refer to Note 2 for additional detail.

Taxes (Tables)

Taxes (Tables)	12 Months Ended
	Dec. 31, 2021
Income Tax Disclosure [Abstract]
Components of Net Deferred Tax Assets	Components of our net deferred tax assets at December 31, 2021 and 2020 are presented in the following table. Table 22.1 – Deferred Tax Assets (Liabilities) (In Thousands) December 31, 2021 December 31, 2020 Deferred Tax Assets Net operating loss carryforward – state $ 98,011 $ 103,334 Net capital loss carryforward – state 18,082 23,487 Net operating loss carryforward – federal 82 82 Real estate assets 1,347 2,948 Allowances and accruals 3,528 3,324 Goodwill and intangible assets 24,973 23,231 Other 3,016 1,914 Tax effect of unrealized (gains) / losses - OCI (21) 124 Total Deferred Tax Assets 149,018 158,444 Deferred Tax Liabilities Mortgage Servicing Rights (3,617) (2,458) Interest rate agreements (3,324) (3,867) Total Deferred Tax Liabilities (6,941) (6,325) Valuation allowance (121,210) (151,248) Total Deferred Tax Asset (Liability), net of Valuation Allowance $ 20,867 $ 871
Provision for Income Taxes	The following table summarizes the provision for income taxes for the years ended December 31, 2021, 2020, and 2019. Table 22.2 – Provision for Income Taxes Years Ended December 31, (In Thousands) 2021 2020 2019 Current Provision for Income Taxes Federal $ 28,718 $ 1,598 $ 12,036 State 9,859 (182) 897 Total Current Provision for Income Taxes 38,577 1,416 12,933 Deferred (Benefit) Provision for Income Taxes Federal (17,172) (6,024) (3,976) State (2,927) — (1,517) Total Deferred (Benefit) Provision for Income Taxes (20,099) (6,024) (5,493) Total Provision (Benefit From) for Income Taxes $ 18,478 $ (4,608) $ 7,440
Reconciliation of Statutory Tax Rate to Effective Tax Rate	The following is a reconciliation of the statutory federal and state tax rates to our effective tax rate at December 31, 2021, 2020, and 2019. Table 22.3 – Reconciliation of Statutory Tax Rate to Effective Tax Rate December 31, 2021 December 31, 2020 December 31, 2019 Federal statutory rate 21.0 % 21.0 % 21.0 % State statutory rate, net of Federal tax effect 8.6 % 8.6 % 8.6 % Differences in taxable (loss) income from GAAP income (8.0) % (19.6) % (2.1) % Change in valuation allowance (8.9) % (9.2) % (2.2) % Dividends paid deduction (1) (7.2) % — % (21.1) % Effective Tax Rate 5.5 % 0.8 % 4.2 % (1) The dividends paid deduction in the effective tax rate reconciliation is generally representative of the amount of distributions to shareholders that reduce REIT taxable income. For the year ended December 31, 2020, the dividends paid deduction is 0% due to our REIT incurring a taxable loss during the period; therefore, there was no REIT taxable income available to apply against the dividends paid.

Segment Information (Tables)

Segment Information (Tables)	12 Months Ended
	Dec. 31, 2021
Segment Reporting [Abstract]
Financial Information by Segment	The following tables present financial information by segment for the years ended December 31, 2021, 2020, and 2019. Table 23.1 – Business Segment Financial Information Year Ended December 31, 2021 (In Thousands) Residential Mortgage Banking Business Purpose Mortgage Banking Investment Portfolio Corporate/ Total Interest income $ 48,953 $ 14,054 $ 507,173 $ 4,746 $ 574,926 Interest expense (26,963) (7,230) (351,635) (40,921) (426,749) Net interest income 21,990 6,824 155,538 (36,175) 148,177 Non-interest income Mortgage banking activities, net 127,151 108,593 — — 235,744 Investment fair value changes, net — — 129,614 (1,565) 128,049 Other income, net — 1,046 10,021 951 12,018 Realized gains, net — — 17,993 — 17,993 Total non-interest income, net 127,151 109,639 157,628 (614) 393,804 General and administrative expenses (33,574) (46,586) (13,633) (77,066) (170,859) Loan acquisition costs (7,480) (8,100) (752) (4) (16,336) Other expenses 104 (15,127) (1,689) 17 (16,695) (Provision for) benefit from income taxes (25,777) (8,122) (3,862) 19,283 (18,478) Segment Contribution $ 82,414 $ 38,528 $ 293,230 $ (94,559) Net Income $ 319,613 Non-cash amortization (expense) income, net $ (82) $ (16,452) $ (20,781) $ (7,878) $ (45,193) Year Ended December 31, 2020 (In Thousands) Residential Mortgage Banking Business Purpose Mortgage Banking Investment Portfolio Corporate/ Total Interest income $ 17,839 $ 19,200 $ 525,741 $ 9,136 $ 571,916 Interest expense (11,978) (13,145) (375,262) (47,620) (448,005) Net interest income 5,861 6,055 150,479 (38,484) 123,911 Non-interest income Mortgage banking activities, net 3,721 74,622 129 — 78,472 Investment fair value changes, net — (101) (586,333) (2,004) (588,438) Other income, net — 3,228 (1,725) 2,685 4,188 Realized gains, net — — 5,242 25,182 30,424 Total non-interest income (loss), net 3,721 77,749 (582,687) 25,863 (475,354) General and administrative expenses (16,297) (37,460) (8,547) (52,900) (115,204) Loan acquisition costs (2,727) (5,860) (2,426) (10) (11,023) Other expenses (4,114) (104,147) 194 (718) (108,785) Benefit from (provision for) income taxes 4,567 (4,063) 4,104 — 4,608 Segment Contribution $ (8,989) $ (67,726) $ (438,883) $ (66,249) Net Loss $ (581,847) Non-cash amortization income (expense), net $ (662) $ (18,426) $ (1,282) $ (4,954) $ (25,324) Other significant non-cash expense: goodwill impairment $ — $ (88,675) $ — $ — $ (88,675) Year Ended December 31, 2019 (In Thousands) Residential Mortgage Banking Business Purpose Mortgage Banking Investment Portfolio Corporate/ Total Interest income $ 40,901 $ 8,212 $ 555,519 $ 17,649 $ 622,281 Interest expense (21,503) (4,972) (390,188) (63,145) (479,808) Net interest income 19,398 3,240 165,331 (45,496) 142,473 Non-interest income Mortgage banking activities, net 47,743 39,523 — — 87,266 Investment fair value changes, net (1) (175) 37,293 (1,617) 35,500 Other income, net — 5,139 11,407 2,711 19,257 Realized gains, net — — 23,821 — 23,821 Total non-interest income, net 47,742 44,487 72,521 1,094 165,844 General and administrative expenses (21,724) (24,832) (9,313) (52,868) (108,737) Loan acquisition costs (3,954) (4,226) (1,618) (137) (9,935) Other expense — (8,521) (1,106) (3,395) (13,022) Provision for income taxes (4,074) (947) (2,419) — (7,440) Segment Contribution $ 37,388 $ 9,201 $ 223,396 $ (100,802) Net Income $ 169,183 Non-cash amortization income (expense), net $ (97) $ (8,896) $ 10,445 $ (4,813) $ (3,361)
Schedule Of Corporate And Other	The following table presents the components of Corporate/Other for the years ended December 31, 2021, 2020, and 2019. Table 23.2 – Components of Corporate/Other Years Ended December 31, 2021 2020 2019 (In Thousands) Legacy Consolidated VIEs (1) Other Total Legacy Consolidated VIEs (1) Other Total Legacy Consolidated VIEs (1) Other Total Interest income $ 4,709 $ 37 $ 4,746 $ 9,060 $ 76 $ 9,136 $ 17,649 $ — $ 17,649 Interest expense (3,040) (37,881) (40,921) (5,945) (41,675) (47,620) (14,418) (48,727) (63,145) Net interest income (loss) 1,669 (37,844) (36,175) 3,115 (41,599) (38,484) 3,231 (48,727) (45,496) Non-interest income Investment fair value changes, net (1,558) (7) (1,565) (1,512) (492) (2,004) (1,545) (72) (1,617) Other income, net — 951 951 — 2,685 2,685 — 2,711 2,711 Realized gains, net — — — — 25,182 25,182 — — — Total non-interest (loss) income, net (1,558) 944 (614) (1,512) 27,375 25,863 (1,545) 2,639 1,094 General and administrative expenses — (77,066) (77,066) — (52,900) (52,900) — (52,868) (52,868) Loan acquisition costs — (4) (4) — (10) (10) — (137) (137) Other expenses — 17 17 — (718) (718) — (3,395) (3,395) Benefit from income taxes — 19,283 19,283 — — — — — — Total $ 111 $ (94,670) $ (94,559) $ 1,603 $ (67,852) $ (66,249) $ 1,686 $ (102,488) $ (100,802) (1) Legacy consolidated VIEs represent Legacy Sequoia entities that are consolidated for GAAP financial reporting purposes. See Note 4 for further discussion on VIEs.
Supplemental Balance Sheet	The following table presents supplemental information by segment at December 31, 2021 and 2020. Table 23.3 – Supplemental Segment Information (In Thousands) Residential Mortgage Banking Business Purpose Mortgage Banking Investment Portfolio Corporate/ Total December 31, 2021 Residential loans $ 1,673,235 $ — $ 5,688,742 $ 230,455 $ 7,592,432 Business purpose loans — 347,860 4,443,129 — 4,790,989 Multifamily loans — — 473,514 — 473,514 Real estate securities 4,927 — 372,484 — 377,411 Other investments — — 606,267 35,702 641,969 Intangible assets — 41,561 — — 41,561 Total assets 1,716,285 464,967 11,770,486 755,206 14,706,944 December 31, 2020 Residential loans $ 176,641 $ — $ 3,786,475 $ 285,935 $ 4,249,051 Business purpose loans — 245,394 3,890,959 — 4,136,353 Multifamily loans — — 492,221 — 492,221 Real estate securities 5,279 — 338,846 — 344,125 Other investments — — 343,724 4,451 348,175 Intangible assets — 56,865 — — 56,865 Total assets 242,060 328,564 8,970,633 813,809 10,355,066

Organization (Details)

Organization (Details)	12 Months Ended
	Dec. 31, 2021segment
Accounting Policies [Abstract]
Number of operating segments	3

Basis of Presentation - Narrati

Basis of Presentation - Narrative (Details) $ in Thousands	Oct. 15, 2019USD ($)	Mar. 01, 2019USD ($)	Oct. 31, 2019USD ($)	May 31, 2018USD ($)	Mar. 31, 2020USD ($)	Mar. 31, 2019USD ($)	Dec. 31, 2021USD ($)	Dec. 31, 2020USD ($)	Dec. 31, 2019USD ($)partnership	Dec. 31, 2018partnership
Variable Interest Entity [Line Items]
Number of partnerships consolidated | partnership									2	2
VIE, ownership interest rate (as a percent)							80.00%
Deconsolidation, realized market valuation gain (loss)					$ (72,000)
Acquisition-related equity compensation expense							$ 3,813	$ 4,848	$ 1,010
Gain on re-measurement of 5 Arches investment							0	0	2,441
Acquisition related costs								0	3,218
Amortization of Intangible Assets							15,000	16,000
Goodwill impairment expense					89,000		0	88,675	0
5 Arches, LLC
Variable Interest Entity [Line Items]
Payments to acquire equity method investment				$ 10,000
Option to purchase additional equity, term				1 year
Multifamily securities
Variable Interest Entity [Line Items]
Consolidation of multifamily loans held in securitization trusts					3,860,000
Consolidation of multifamily ABS					$ 3,720,000
5 Arches, LLC
Variable Interest Entity [Line Items]
Minority interest (as a percent)				20.00%
Option to purchase additional equity (as a percent)		80.00%
Cash		$ 12,575
Contingent consideration maximum amount		27,000
Contingent consideration performance term				2 years
Gain on re-measurement of 5 Arches investment						$ 2,000
Acquisition related costs							0
Intangible assets		24,800
Goodwill		$ 28,747
CoreVest LLC
Variable Interest Entity [Line Items]
Cash	$ 482,311		$ 482,000
Contingent consideration performance term	2 years
Total consideration			492,000
Restricted stock awards	$ 10,000		10,000
Acquisition-related equity compensation expense			$ 10,000
Intangible assets	56,500
Goodwill	$ 59,928
5 Arches LLC And CoreVest
Variable Interest Entity [Line Items]
Acquisition related costs									2,000
Amortization of Intangible Assets							$ 39,739	$ 24,435
Goodwill									89,000
Goodwill deductible for tax purposes									$ 75,000

Basis of Presentation - Schedul

Basis of Presentation - Schedule of Assets Acquired and Liabilities Assumed (Details) - USD ($) $ in Thousands	Oct. 15, 2019	Mar. 01, 2019	Oct. 31, 2019
5 Arches, LLC
Purchase price:
Cash		$ 12,575
Contingent consideration, at fair value		24,621
Purchase option, at fair value		5,082
Equity method investment, at fair value		8,052
Allocated to:
Business purpose loans, at fair value		2,022
Cash and cash equivalents		2,128
Restricted cash		9,082
Other assets		5,473
Goodwill		28,747
Intangible assets		24,800
Deferred tax asset		0
Total assets acquired		72,252
Asset-backed securities issued, at fair value		0
Short-term debt, net		3,800
Accrued expenses and other liabilities		13,920
Deferred tax liability		4,202
Total liabilities assumed		21,922
Total net assets acquired		$ 50,330
CoreVest LLC
Purchase price:
Cash	$ 482,311		$ 482,000
Contingent consideration, at fair value	0
Purchase option, at fair value	0
Equity method investment, at fair value	0
Allocated to:
Business purpose loans, at fair value	2,610,490
Cash and cash equivalents	30,685
Restricted cash	0
Other assets	67,420
Goodwill	59,928
Intangible assets	56,500
Deferred tax asset	2,577
Total assets acquired	2,827,600
Asset-backed securities issued, at fair value	1,656,023
Short-term debt, net	663,275
Accrued expenses and other liabilities	25,991
Deferred tax liability	0
Total liabilities assumed	2,345,289
Total net assets acquired	$ 482,311

Basis of Presentation - Sched_2

Basis of Presentation - Schedule of Intangible Assets – Activity (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Finite-lived Intangible Assets [Roll Forward]
Accumulated Amortization at December 31, 2021	$ (15,000)	$ (16,000)
Carrying Value	41,561
5 Arches LLC And CoreVest
Finite-lived Intangible Assets [Roll Forward]
Intangible Assets at Acquisition	81,300	81,300
Accumulated Amortization at December 31, 2021	(39,739)	(24,435)
Carrying Value	$ 41,561	$ 56,865
Weighted Average Amortization Period (in years)	6 years	6 years
Borrower network | 5 Arches LLC And CoreVest
Finite-lived Intangible Assets [Roll Forward]
Intangible Assets at Acquisition	$ 45,300	$ 45,300
Accumulated Amortization at December 31, 2021	(14,291)	(7,819)
Carrying Value	$ 31,009	$ 37,481
Weighted Average Amortization Period (in years)	7 years	7 years
Broker network | 5 Arches LLC And CoreVest
Finite-lived Intangible Assets [Roll Forward]
Intangible Assets at Acquisition	$ 18,100	$ 18,100
Accumulated Amortization at December 31, 2021	(10,257)	(6,637)
Carrying Value	$ 7,843	$ 11,463
Weighted Average Amortization Period (in years)	5 years	5 years
Non-compete agreements | 5 Arches LLC And CoreVest
Finite-lived Intangible Assets [Roll Forward]
Intangible Assets at Acquisition	$ 9,500	$ 9,500
Accumulated Amortization at December 31, 2021	(7,597)	(4,431)
Carrying Value	$ 1,903	$ 5,069
Weighted Average Amortization Period (in years)	3 years	3 years
Tradenames | 5 Arches LLC And CoreVest
Finite-lived Intangible Assets [Roll Forward]
Intangible Assets at Acquisition	$ 4,000	$ 4,000
Accumulated Amortization at December 31, 2021	(3,194)	(1,860)
Carrying Value	$ 806	$ 2,140
Weighted Average Amortization Period (in years)	3 years	3 years
Developed technology | 5 Arches LLC And CoreVest
Finite-lived Intangible Assets [Roll Forward]
Intangible Assets at Acquisition	$ 1,800	$ 1,800
Accumulated Amortization at December 31, 2021	(1,800)	(1,088)
Carrying Value	$ 0	$ 712
Weighted Average Amortization Period (in years)	2 years	2 years
Loan administration fees on existing loan assets | 5 Arches LLC And CoreVest
Finite-lived Intangible Assets [Roll Forward]
Intangible Assets at Acquisition	$ 2,600	$ 2,600
Accumulated Amortization at December 31, 2021	(2,600)	(2,600)
Carrying Value	$ 0	$ 0
Weighted Average Amortization Period (in years)	1 year	1 year

Basis of Presentation - Intangi

Basis of Presentation - Intangible Asset Amortization Expense by Year (Details) $ in Thousands	Dec. 31, 2021USD ($)
Accounting Policies [Abstract]
2022	$ 12,800
2023	10,091
2024	7,073
2025	6,471
2026	5,126
Total Future Intangible Asset Amortization	$ 41,561

Basis of Presentation - Pro For

Basis of Presentation - Pro Forma Information (Details) - 5 Arches LLC And CoreVest $ in Thousands	12 Months Ended
	Dec. 31, 2019USD ($)
Business Acquisition [Line Items]
Net interest income	$ 167,680
Non-interest income	193,519
Net income	$ 185,896

Summary of Significant Accoun_4

Summary of Significant Accounting Policies - Additional Information (Details) - USD ($)	1 Months Ended	12 Months Ended				24 Months Ended
	May 31, 2020	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2014	Dec. 31, 2015
Significant Accounting Policies [Line Items]
Risk-sharing arrangement term						10 years
SPE, assets		$ 34,000,000	$ 46,000,000
SPE, liabilities		$ 7,000,000	10,000,000
Incentive Plan, mandatory holding period before awards vest	3 years
Employee Stock Purchase Plan, percentage of common stock fair value that employees can purchase					85.00%
Employees maximum 401(k) contribution		100.00%
Employer matching contributions		$ 1,200,000	1,100,000	$ 700,000
Notional Amount		6,861,921,000	11,346,407,000
Borrowings		1,650,576,000	1,441,331,000
Interest Rate Contract
Significant Accounting Policies [Line Items]
Notional Amount		2,100,000,000	1,630,000,000
Trust Preferred Securities and Subordinated Notes
Significant Accounting Policies [Line Items]
Borrowings		139,500,000	$ 139,500,000
Repo or Warehouse Debt
Significant Accounting Policies [Line Items]
Borrowings		2,470,000,000
Bridge Loan
Significant Accounting Policies [Line Items]
Borrowings		$ 708,000,000
Minimum
Significant Accounting Policies [Line Items]
Percentage of losses assumed on pool of loans sold						1.00%
Incentive Plan, awards vesting period (in years)	3 years
Maximum
Significant Accounting Policies [Line Items]
Percentage of losses assumed on pool of loans sold						2.25%
Incentive Plan, awards vesting period (in years)	4 years

Summary of Significant Accoun_5

Summary of Significant Accounting Policies - Offsetting of Financial Assets, Liabilities, and Collateral (Details) - USD ($) $ in Thousands		Dec. 31, 2021	Dec. 31, 2020
Assets
Net Amounts of Assets (Liabilities) Presented in Consolidated Balance Sheet	[1]	$ 26,467	$ 53,238
Liabilities
Net Amounts of Assets (Liabilities) Presented in Consolidated Balance Sheet	[1]	(3,317)	(16,072)
Total Liabilities
Gross Amounts of Recognized Assets (Liabilities)		(575,534)	(230,539)
Gross Amounts Offset in Consolidated Balance Sheet		0	0
Net Amounts of Assets (Liabilities) Presented in Consolidated Balance Sheet		(575,534)	(230,539)
Gross Amounts Not Offset in Consolidated Balance Sheet, Financial Instruments		574,629	228,467
Gross Amounts Not Offset in Consolidated Balance Sheet, Cash Collateral Pledged		895	1,061
Net Amount		(10)	(1,011)
Interest rate agreements
Assets
Gross Amounts of Recognized Assets (Liabilities)		18,929	19,951
Gross Amounts Offset in Consolidated Balance Sheet		0	0
Net Amounts of Assets (Liabilities) Presented in Consolidated Balance Sheet		18,929	19,951
Gross Amounts Not Offset in Consolidated Balance Sheet, Financial Instruments		(1,251)	0
Gross Amounts Not Offset in Consolidated Balance Sheet, Cash Collateral Received		(16,046)	(7,769)
Net Amount		1,632	12,182
Liabilities
Gross Amounts of Recognized Assets (Liabilities)		(1,251)
Gross Amounts Offset in Consolidated Balance Sheet		0
Net Amounts of Assets (Liabilities) Presented in Consolidated Balance Sheet		(1,251)
Gross Amounts Not Offset in Consolidated Balance Sheet, Financial Instruments		1,251
Gross Amounts Not Offset in Consolidated Balance Sheet, Cash Collateral Pledged		0
Net Amount			0
TBAs
Assets
Gross Amounts of Recognized Assets (Liabilities)		2,880	18,260
Gross Amounts Offset in Consolidated Balance Sheet		0	0
Net Amounts of Assets (Liabilities) Presented in Consolidated Balance Sheet		2,880	18,260
Gross Amounts Not Offset in Consolidated Balance Sheet, Financial Instruments		(633)	(13,423)
Gross Amounts Not Offset in Consolidated Balance Sheet, Cash Collateral Received		(704)	(4,658)
Net Amount		1,543	179
Liabilities
Gross Amounts of Recognized Assets (Liabilities)		(658)	(15,495)
Gross Amounts Offset in Consolidated Balance Sheet		0	0
Net Amounts of Assets (Liabilities) Presented in Consolidated Balance Sheet		(658)	(15,495)
Gross Amounts Not Offset in Consolidated Balance Sheet, Financial Instruments		633	13,423
Gross Amounts Not Offset in Consolidated Balance Sheet, Cash Collateral Pledged		15	1,061
Net Amount		(10)	(1,011)
Futures
Assets
Gross Amounts of Recognized Assets (Liabilities)			25
Gross Amounts Offset in Consolidated Balance Sheet			0
Net Amounts of Assets (Liabilities) Presented in Consolidated Balance Sheet			25
Gross Amounts Not Offset in Consolidated Balance Sheet, Financial Instruments			(25)
Gross Amounts Not Offset in Consolidated Balance Sheet, Cash Collateral Received			0
Net Amount			0
Liabilities
Gross Amounts of Recognized Assets (Liabilities)		(905)
Gross Amounts Offset in Consolidated Balance Sheet		0
Net Amounts of Assets (Liabilities) Presented in Consolidated Balance Sheet		(905)
Gross Amounts Not Offset in Consolidated Balance Sheet, Financial Instruments		25
Gross Amounts Not Offset in Consolidated Balance Sheet, Cash Collateral Pledged		880
Net Amount		0
Interest Rate Agreement, TBAs, And Futures
Assets
Gross Amounts of Recognized Assets (Liabilities)		21,834	38,211
Gross Amounts Offset in Consolidated Balance Sheet		0	0
Net Amounts of Assets (Liabilities) Presented in Consolidated Balance Sheet		21,834	38,211
Gross Amounts Not Offset in Consolidated Balance Sheet, Financial Instruments		(1,909)	(13,423)
Gross Amounts Not Offset in Consolidated Balance Sheet, Cash Collateral Received		(16,750)	(12,427)
Net Amount		3,175	12,361
Loan warehouse debt
Loan warehouse debt and Security repurchase agreement
Gross Amounts of Recognized Assets (Liabilities)		(572,720)	(137,269)
Gross Amounts Offset in Consolidated Balance Sheet		0	0
Net Amounts of Assets (Liabilities) Presented in Consolidated Balance Sheet		(572,720)	(137,269)
Gross Amounts Not Offset in Consolidated Balance Sheet, Financial Instruments		572,720	137,269
Gross Amounts Not Offset in Consolidated Balance Sheet, Cash Collateral Pledged		0	0
Net Amount		$ 0	0
Security repurchase agreements
Loan warehouse debt and Security repurchase agreement
Gross Amounts of Recognized Assets (Liabilities)			(77,775)
Gross Amounts Offset in Consolidated Balance Sheet			0
Net Amounts of Assets (Liabilities) Presented in Consolidated Balance Sheet			(77,775)
Gross Amounts Not Offset in Consolidated Balance Sheet, Financial Instruments			77,775
Gross Amounts Not Offset in Consolidated Balance Sheet, Cash Collateral Pledged			0
Net Amount			$ 0
[1]	Our consolidated balance sheets include assets of consolidated variable interest entities (“VIEs”) that can only be used to settle obligations of these VIEs and liabilities of consolidated VIEs for which creditors do not have recourse to Redwood Trust, Inc. or its affiliates. At December 31, 2021 and 2020, assets of consolidated VIEs totaled $10,661,081 and $8,141,069, respectively. At December 31, 2021 and 2020, liabilities of consolidated VIEs totaled $9,619,347 and $7,148,414, respectively. See Note 4 for further discussion.

Principles of Consolidation - A

Principles of Consolidation - Additional Information (Details) $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 31, 2020USD ($)	Dec. 31, 2021USD ($)entity	Dec. 31, 2020USD ($)	Dec. 31, 2019USD ($)partnership	Dec. 31, 2018partnership	Sep. 30, 2020USD ($)
Variable Interest Entity [Line Items]
Number of partnerships consolidated | partnership				2	2
VIE, ownership interest rate (as a percent)		80.00%
Deconsolidation, realized market valuation gain (loss)	$ (72,000)
Transfers from loans held-for-investment to loans held-for-sale		$ 92,400	$ 64,520	$ 22,808
Variable Interest Entity, Primary Beneficiary
Variable Interest Entity [Line Items]
Estimated fair value of investments		$ 1,033,913	789,228
Variable Interest Entity, Not Primary Beneficiary
Variable Interest Entity [Line Items]
Number of securitization entities to which asset transferred | entity		49
Number of securitization entities called | entity		7
Unpaid principal balance of securitizations purchased		$ 200,000
Gain (loss) on securitization of financial assets		16,000
Loans held for sale, fair value of acquired loans		$ 172,000
Servicing Investment | Variable Interest Entity, Primary Beneficiary
Variable Interest Entity [Line Items]
Number of partnerships consolidated | entity		2
VIE, ownership interest rate (as a percent)		80.00%
MSRs		$ 102,540
Estimated fair value of investments			67,766
CAFL(1) | Variable Interest Entity, Primary Beneficiary
Variable Interest Entity [Line Items]
Number of entities called | entity		2
Unpaid principal balance of entities called		$ 91,000
Estimated fair value of investments		31,657	238,680
Legacy Sequoia | Variable Interest Entity, Primary Beneficiary
Variable Interest Entity [Line Items]
Estimated fair value of investments		2,634	4,559
Sequoia | Variable Interest Entity, Primary Beneficiary
Variable Interest Entity [Line Items]
Estimated fair value of investments		245,417	220,020
Freddie Mac SLST(1) | Variable Interest Entity, Primary Beneficiary
Variable Interest Entity [Line Items]
Estimated fair value of investments		339,419	229,788
Amortized cost						$ 210,000
Freddie Mac K-Series | Variable Interest Entity, Primary Beneficiary
Variable Interest Entity [Line Items]
Estimated fair value of investments		$ 301,795	$ 28,415

Principles of Consolidation -_2

Principles of Consolidation - Assets and Liabilities of Consolidated Variable Interest Entity's (Details) $ in Thousands		Dec. 31, 2021USD ($)investment		Dec. 31, 2020USD ($)investment		Dec. 31, 2019USD ($)
Variable Interest Entity [Line Items]
Other investments	[1]	$ 641,969		$ 348,175
Cash and cash equivalents		450,485	[1]	461,260	[1]	$ 197,000
Restricted cash		80,999	[1]	83,190	[1]	$ 94,000
Accrued interest receivable		47,515		39,445
Other assets	[1]	231,117		130,588
Total Assets	[1]	14,706,944		10,355,066
Short-term debt	[1]	2,177,362		522,609
Accrued interest payable		39,297		34,858
Accrued expenses and other liabilities	[1]	245,788		179,340
Asset-backed securities issued	[1]	9,253,557		7,100,661
Total liabilities	[1]	13,320,857		9,244,167
CAFL(1)
Variable Interest Entity [Line Items]
Fair value of securities owned		302,000		239,000
Carrying value of securities owned		38,000		0
Freddie Mac SLST(1)
Variable Interest Entity [Line Items]
Fair value of securities owned		445,000		428,000
Carrying value of securities owned		143,000		200,000
Business purpose loans, held-for-investment
Variable Interest Entity [Line Items]
Loans, at fair value	[1]	4,432,680		3,890,959
Variable Interest Entity, Primary Beneficiary
Variable Interest Entity [Line Items]
Other investments		544,307		251,773
Cash and cash equivalents		6,481		11,579
Restricted cash		46,086		23,368
Accrued interest receivable		35,401		30,587
Other assets		41,826		9,937
Total Assets		10,661,081		8,141,069
Short-term debt		294,447		208,375
Accrued interest payable		25,018		21,274
Accrued expenses and other liabilities		46,325		18,403
Asset-backed securities issued		9,253,557		7,100,661
Total liabilities		9,619,347		7,348,713
Estimated fair value of investments		$ 1,033,913		$ 789,228
Number of VIEs | investment		60		50
Variable Interest Entity, Primary Beneficiary | Residential loans, held-for-investment
Variable Interest Entity [Line Items]
Loans, at fair value		$ 5,747,150		$ 4,072,410
Variable Interest Entity, Primary Beneficiary | Business purpose loans, held-for-investment
Variable Interest Entity [Line Items]
Loans, at fair value		3,766,316		3,249,194
Variable Interest Entity, Primary Beneficiary | Multifamily loans, held-for-investment
Variable Interest Entity [Line Items]
Loans, at fair value		473,514		492,221
Variable Interest Entity, Primary Beneficiary | Legacy Sequoia
Variable Interest Entity [Line Items]
Other investments		0		0
Cash and cash equivalents		0		0
Restricted cash		148		148
Accrued interest receivable		210		305
Other assets		61		638
Total Assets		230,874		287,026
Short-term debt		0		0
Accrued interest payable		99		141
Accrued expenses and other liabilities		0		0
Asset-backed securities issued		227,881		282,326
Total liabilities		227,980		282,467
Estimated fair value of investments		$ 2,634		$ 4,559
Number of VIEs | investment		20		20
Variable Interest Entity, Primary Beneficiary | Legacy Sequoia | Residential loans, held-for-investment
Variable Interest Entity [Line Items]
Loans, at fair value		$ 230,455		$ 285,935
Variable Interest Entity, Primary Beneficiary | Legacy Sequoia | Business purpose loans, held-for-investment
Variable Interest Entity [Line Items]
Loans, at fair value		0		0
Variable Interest Entity, Primary Beneficiary | Legacy Sequoia | Multifamily loans, held-for-investment
Variable Interest Entity [Line Items]
Loans, at fair value		0		0
Variable Interest Entity, Primary Beneficiary | Sequoia
Variable Interest Entity [Line Items]
Other investments		0		0
Cash and cash equivalents		0		0
Restricted cash		5		0
Accrued interest receivable		10,885		6,802
Other assets		0		0
Total Assets		3,639,355		1,572,124
Short-term debt		0		0
Accrued interest payable		8,452		4,697
Accrued expenses and other liabilities		5		50
Asset-backed securities issued		3,383,048		1,347,357
Total liabilities		3,391,505		1,352,104
Estimated fair value of investments		$ 245,417		$ 220,020
Number of VIEs | investment		16		10
Variable Interest Entity, Primary Beneficiary | Sequoia | Residential loans, held-for-investment
Variable Interest Entity [Line Items]
Loans, at fair value		$ 3,628,465		$ 1,565,322
Variable Interest Entity, Primary Beneficiary | Sequoia | Business purpose loans, held-for-investment
Variable Interest Entity [Line Items]
Loans, at fair value		0		0
Variable Interest Entity, Primary Beneficiary | Sequoia | Multifamily loans, held-for-investment
Variable Interest Entity [Line Items]
Loans, at fair value		0		0
Variable Interest Entity, Primary Beneficiary | CAFL(1)
Variable Interest Entity [Line Items]
Other investments		0		0
Cash and cash equivalents		0		0
Restricted cash		15,221		0
Accrued interest receivable		15,737		13,055
Other assets		32,510		2,930
Total Assets		3,829,784		3,265,179
Short-term debt		0		0
Accrued interest payable		11,030		10,278
Accrued expenses and other liabilities		1,171		0
Asset-backed securities issued		3,474,898		3,013,093
Total liabilities		3,487,099		3,023,371
Estimated fair value of investments		$ 31,657		$ 238,680
Number of VIEs | investment		16		14
Variable Interest Entity, Primary Beneficiary | CAFL(1) | Residential loans, held-for-investment
Variable Interest Entity [Line Items]
Loans, at fair value		$ 0		$ 0
Variable Interest Entity, Primary Beneficiary | CAFL(1) | Business purpose loans, held-for-investment
Variable Interest Entity [Line Items]
Loans, at fair value		3,766,316		3,249,194
Variable Interest Entity, Primary Beneficiary | CAFL(1) | Multifamily loans, held-for-investment
Variable Interest Entity [Line Items]
Loans, at fair value		0		0
Variable Interest Entity, Primary Beneficiary | Freddie Mac SLST(1)
Variable Interest Entity [Line Items]
Other investments		0		0
Cash and cash equivalents		0		0
Restricted cash		0		0
Accrued interest receivable		5,792		6,754
Other assets		2,028		646
Total Assets		1,896,050		2,228,553
Short-term debt		0		0
Accrued interest payable		4,055		4,846
Accrued expenses and other liabilities		0		0
Asset-backed securities issued		1,588,463		1,993,919
Total liabilities		1,592,518		1,998,765
Estimated fair value of investments		$ 339,419		$ 229,788
Number of VIEs | investment		3		2
Variable Interest Entity, Primary Beneficiary | Freddie Mac SLST(1) | Residential loans, held-for-investment
Variable Interest Entity [Line Items]
Loans, at fair value		$ 1,888,230		$ 2,221,153
Variable Interest Entity, Primary Beneficiary | Freddie Mac SLST(1) | Business purpose loans, held-for-investment
Variable Interest Entity [Line Items]
Loans, at fair value		0		0
Variable Interest Entity, Primary Beneficiary | Freddie Mac SLST(1) | Multifamily loans, held-for-investment
Variable Interest Entity [Line Items]
Loans, at fair value		0		0
Variable Interest Entity, Primary Beneficiary | Freddie Mac K-Series
Variable Interest Entity [Line Items]
Other investments		0		0
Cash and cash equivalents		0		0
Restricted cash		0		0
Accrued interest receivable		1,315		1,337
Other assets		0		0
Total Assets		474,829		493,558
Short-term debt		0		0
Accrued interest payable		1,190		1,177
Accrued expenses and other liabilities		0		0
Asset-backed securities issued		441,857		463,966
Total liabilities		443,047		465,143
Estimated fair value of investments		$ 301,795		$ 28,415
Number of VIEs | investment		1		1
Variable Interest Entity, Primary Beneficiary | Freddie Mac K-Series | Residential loans, held-for-investment
Variable Interest Entity [Line Items]
Loans, at fair value		$ 0		$ 0
Variable Interest Entity, Primary Beneficiary | Freddie Mac K-Series | Business purpose loans, held-for-investment
Variable Interest Entity [Line Items]
Loans, at fair value		0		0
Variable Interest Entity, Primary Beneficiary | Freddie Mac K-Series | Multifamily loans, held-for-investment
Variable Interest Entity [Line Items]
Loans, at fair value		473,514		492,221
Variable Interest Entity, Primary Beneficiary | Servicing Investment
Variable Interest Entity [Line Items]
Other investments		384,754		251,773
Cash and cash equivalents		6,481		11,579
Restricted cash		25,420		23,220
Accrued interest receivable		1,462		2,334
Other assets		7,177		5,723
Total Assets		425,294		294,629
Short-term debt		294,447		208,375
Accrued interest payable		192		135
Accrued expenses and other liabilities		28,115		18,353
Asset-backed securities issued		0		0
Total liabilities		322,754		226,863
Estimated fair value of investments				$ 67,766
Servicing asset, fair value		$ 102,540
Number of VIEs | investment		3		3
Variable Interest Entity, Primary Beneficiary | Servicing Investment | Residential loans, held-for-investment
Variable Interest Entity [Line Items]
Loans, at fair value		$ 0		$ 0
Variable Interest Entity, Primary Beneficiary | Servicing Investment | Business purpose loans, held-for-investment
Variable Interest Entity [Line Items]
Loans, at fair value		0		0
Variable Interest Entity, Primary Beneficiary | Servicing Investment | Multifamily loans, held-for-investment
Variable Interest Entity [Line Items]
Loans, at fair value		0		$ 0
Variable Interest Entity, Primary Beneficiary | Point HEI
Variable Interest Entity [Line Items]
Other investments		159,553
Cash and cash equivalents		0
Restricted cash		5,292
Accrued interest receivable		0
Other assets		50
Total Assets		164,895
Short-term debt		0
Accrued interest payable		0
Accrued expenses and other liabilities		17,034
Asset-backed securities issued		137,410
Total liabilities		154,444
Estimated fair value of investments		$ 10,451
Number of VIEs | investment		1
Variable Interest Entity, Primary Beneficiary | Point HEI | Residential loans, held-for-investment
Variable Interest Entity [Line Items]
Loans, at fair value		$ 0
Variable Interest Entity, Primary Beneficiary | Point HEI | Business purpose loans, held-for-investment
Variable Interest Entity [Line Items]
Loans, at fair value		0
Variable Interest Entity, Primary Beneficiary | Point HEI | Multifamily loans, held-for-investment
Variable Interest Entity [Line Items]
Loans, at fair value		$ 0
[1]	Our consolidated balance sheets include assets of consolidated variable interest entities (“VIEs”) that can only be used to settle obligations of these VIEs and liabilities of consolidated VIEs for which creditors do not have recourse to Redwood Trust, Inc. or its affiliates. At December 31, 2021 and 2020, assets of consolidated VIEs totaled $10,661,081 and $8,141,069, respectively. At December 31, 2021 and 2020, liabilities of consolidated VIEs totaled $9,619,347 and $7,148,414, respectively. See Note 4 for further discussion.

Principles of Consolidation - I

Principles of Consolidation - Income (Loss) from Consolidated VIEs Accounted for as Collateralized Financing Entities (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Variable Interest Entity [Line Items]
Interest income		$ 574,926	$ 571,916	$ 622,281
Interest expense		(426,749)	(448,005)	(479,808)
Net Interest Income		148,177	123,911	142,473
Investment fair value changes, net		128,049	(588,438)	35,500
Total non-interest income (loss), net		393,804	(475,354)	165,844
General and administrative expenses		(170,859)	(115,204)	(108,737)
Net Income (Loss)		319,613	(581,847)	$ 169,183
Variable Interest Entity, Primary Beneficiary
Variable Interest Entity [Line Items]
Interest income		400,292	391,191
Interest expense		(310,795)	(310,141)
Net Interest Income		89,497	81,050
Investment fair value changes, net		90,121	(167,856)
Other income	$ 72
Total non-interest income (loss), net		90,193	(167,856)
General and administrative expenses		(283)	(867)
Other expenses		(1,689)	193
Net Income (Loss)		177,718	(87,480)
Legacy Sequoia | Variable Interest Entity, Primary Beneficiary
Variable Interest Entity [Line Items]
Interest income		4,709	9,061
Interest expense		(3,040)	(5,945)
Net Interest Income		1,669	3,116
Investment fair value changes, net		(1,558)	(1,512)
Other income		0
Total non-interest income (loss), net		(1,558)	(1,512)
General and administrative expenses		0	0
Other expenses		0	0
Net Income (Loss)		111	1,604
Sequoia | Variable Interest Entity, Primary Beneficiary
Variable Interest Entity [Line Items]
Interest income		74,025	87,093
Interest expense		(59,949)	(73,643)
Net Interest Income		14,076	13,450
Investment fair value changes, net		14,176	(13,244)
Other income		0
Total non-interest income (loss), net		14,176	(13,244)
General and administrative expenses		0	0
Other expenses		0	0
Net Income (Loss)		28,252	206
CAFL(1) | Variable Interest Entity, Primary Beneficiary
Variable Interest Entity [Line Items]
Interest income		207,202	136,950
Interest expense		(160,618)	(105,732)
Net Interest Income		46,584	31,218
Investment fair value changes, net		8,521	(39,574)
Other income		72
Total non-interest income (loss), net		8,593	(39,574)
General and administrative expenses		0	0
Other expenses		0	0
Net Income (Loss)		55,177	(8,356)
Freddie Mac SLST(1) | Variable Interest Entity, Primary Beneficiary
Variable Interest Entity [Line Items]
Interest income		76,287	85,609
Interest expense		(64,635)	(66,859)
Net Interest Income		11,652	18,750
Investment fair value changes, net		62,374	(21,160)
Other income		0
Total non-interest income (loss), net		62,374	(21,160)
General and administrative expenses		0	0
Other expenses		0	0
Net Income (Loss)		74,026	(2,410)
Freddie Mac K-Series | Variable Interest Entity, Primary Beneficiary
Variable Interest Entity [Line Items]
Interest income		19,266	54,813
Interest expense		(17,686)	(51,521)
Net Interest Income		1,580	3,292
Investment fair value changes, net		11,599	(81,039)
Other income		0
Total non-interest income (loss), net		11,599	(81,039)
General and administrative expenses		0	0
Other expenses		0	0
Net Income (Loss)		13,179	(77,747)
Servicing Investment | Variable Interest Entity, Primary Beneficiary
Variable Interest Entity [Line Items]
Interest income		18,803	17,665
Interest expense		(4,867)	(6,441)
Net Interest Income		13,936	11,224
Investment fair value changes, net		(5,209)	(11,327)
Other income		0
Total non-interest income (loss), net		(5,209)	(11,327)
General and administrative expenses		(283)	(867)
Other expenses		(1,689)	193
Net Income (Loss)		6,755	$ (777)
Point HEI | Variable Interest Entity, Primary Beneficiary
Variable Interest Entity [Line Items]
Interest income		0
Interest expense		0
Net Interest Income		0
Investment fair value changes, net		218
Other income	$ 0
Total non-interest income (loss), net		218
General and administrative expenses		0
Other expenses		0
Net Income (Loss)		$ 218

Principles of Consolidation - S

Principles of Consolidation - Securitization Activity Related to Unconsolidated Variable Interest Entity's Sponsored by Redwood (Details) - Variable Interest Entity, Not Primary Beneficiary - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Variable Interest Entity [Line Items]
Principal balance of loans transferred	$ 1,231,803	$ 2,223,462
Trading securities
Variable Interest Entity [Line Items]
Securities retained, at fair value	7,774	49,089
AFS Securities
Variable Interest Entity [Line Items]
Securities retained, at fair value	$ 1,600	$ 4,187

Principles of Consolidation - C

Principles of Consolidation - Cash Flows Related to Unconsolidated Variable Interest Entity's Sponsored by Redwood (Details) - Variable Interest Entity, Not Primary Beneficiary - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Variable Interest Entity [Line Items]
Proceeds from new transfers	$ 1,266,063	$ 2,276,521
MSR fees received	5,003	9,749
Funding of compensating interest, net	(160)	(405)
Cash flows received on retained securities	$ 47,596	$ 24,172

Principles of Consolidation -_3

Principles of Consolidation - Assumptions Related to Assets Retained from Unconsolidated VIEs Sponsored by Redwood (Details) - Variable Interest Entity, Not Primary Beneficiary	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Senior IO Securities
Fair Value Assumption, Date of Securitization or Asset-backed Financing Arrangement, Transferor's Continuing Involvement, Servicing Assets or Liabilities [Line Items]
Prepayment rates	11.00%	29.00%
Discount rates	15.00%	14.00%
Credit loss assumptions	0.23%	0.27%
Subordinate Securities
Fair Value Assumption, Date of Securitization or Asset-backed Financing Arrangement, Transferor's Continuing Involvement, Servicing Assets or Liabilities [Line Items]
Prepayment rates	11.00%	14.00%
Discount rates	6.00%	7.00%
Credit loss assumptions	0.23%	0.24%

Principles of Consolidation -_4

Principles of Consolidation - Summary of Unconsolidated Variable Interest Entity's Sponsored by Redwood (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Assets
Debt securities, available for sale	$ 206,792	$ 218,458
Variable Interest Entity, Not Primary Beneficiary
Assets
Maximum loss exposure	152,206	165,870
Assets transferred:
Principal balance of loans outstanding	4,959,234	7,728,432
Principal balance of loans 30+ days delinquent	30,594	138,029
Interest-only, senior and subordinate securities, classified as trading | Variable Interest Entity, Not Primary Beneficiary
Assets
Debt securities, trading	18,214	20,982
Subordinate securities, classified as AFS | Variable Interest Entity, Not Primary Beneficiary
Assets
Debt securities, available for sale	127,542	136,475
Mortgage servicing rights
Assets
Servicing asset, fair value	12,438	8,815
Mortgage servicing rights | Variable Interest Entity, Not Primary Beneficiary
Assets
Servicing asset, fair value	$ 6,450	$ 8,413

Principles of Consolidation - K

Principles of Consolidation - Key Assumptions and Sensitivity Analysis for Assets Retained from Unconsolidated Variable Interest Entity's Sponsored by Redwood (Details) - Variable Interest Entity, Not Primary Beneficiary - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
MSRs
Sensitivity Analysis of Fair Value of Interests Continued to be Held by Transferor, Servicing Assets or Liabilities, Impact of Adverse Change in Assumption [Line Items]
Fair value	$ 6,450	$ 8,413
Expected life (in years)	3 years	2 years
Prepayment speed assumption (annual CPR) (as a percent)	29.00%	37.00%
Decrease in fair value from:
10% adverse change	$ 447	$ 906
25% adverse change	$ 1,020	$ 2,058
Discount rate assumption (as a percent)	12.00%	12.00%
Decrease in fair value from:
100 basis point increase	$ 152	$ 196
200 basis point increase	$ 297	$ 380
MSRs | Minimum
Decrease in fair value from:
Impact of adverse change in prepayment speed (as a percent)	10.00%	10.00%
Decrease in fair value from:
Impact of increase in discount rate assumption	1.00%	1.00%
Decrease in fair value from:
Impact of adverse change in expected credit losses (as a percent)	10.00%	10.00%
MSRs | Maximum
Decrease in fair value from:
Impact of adverse change in prepayment speed (as a percent)	25.00%	25.00%
Decrease in fair value from:
Impact of increase in discount rate assumption	2.00%	2.00%
Decrease in fair value from:
Impact of adverse change in expected credit losses (as a percent)	25.00%	25.00%
Senior IO Securities
Sensitivity Analysis of Fair Value of Interests Continued to be Held by Transferor, Servicing Assets or Liabilities, Impact of Adverse Change in Assumption [Line Items]
Fair value	$ 18,214	$ 17,333
Expected life (in years)	4 years	3 years
Prepayment speed assumption (annual CPR) (as a percent)	23.00%	31.00%
Decrease in fair value from:
10% adverse change	$ 1,130	$ 1,557
25% adverse change	$ 2,596	$ 3,754
Discount rate assumption (as a percent)	16.00%	21.00%
Decrease in fair value from:
100 basis point increase	$ 426	$ 337
200 basis point increase	$ 829	$ 659
Credit loss assumption (as a percent)	0.35%	0.41%
Decrease in fair value from:
10% higher losses	$ 0	$ 0
25% higher losses	$ 0	$ 0
Senior IO Securities | Minimum
Decrease in fair value from:
Impact of adverse change in prepayment speed (as a percent)	10.00%	10.00%
Decrease in fair value from:
Impact of increase in discount rate assumption	1.00%	1.00%
Decrease in fair value from:
Impact of adverse change in expected credit losses (as a percent)	10.00%	10.00%
Senior IO Securities | Maximum
Decrease in fair value from:
Impact of adverse change in prepayment speed (as a percent)	25.00%	25.00%
Decrease in fair value from:
Impact of increase in discount rate assumption	2.00%	2.00%
Decrease in fair value from:
Impact of adverse change in expected credit losses (as a percent)	25.00%	25.00%
Subordinate Securities
Sensitivity Analysis of Fair Value of Interests Continued to be Held by Transferor, Servicing Assets or Liabilities, Impact of Adverse Change in Assumption [Line Items]
Fair value	$ 127,542	$ 140,124
Expected life (in years)	5 years	8 years
Prepayment speed assumption (annual CPR) (as a percent)	32.00%	33.00%
Decrease in fair value from:
10% adverse change	$ 531	$ 452
25% adverse change	$ 1,440	$ 2,298
Discount rate assumption (as a percent)	5.00%	5.00%
Decrease in fair value from:
100 basis point increase	$ 4,801	$ 9,769
200 basis point increase	$ 9,139	$ 18,650
Credit loss assumption (as a percent)	0.35%	0.41%
Decrease in fair value from:
10% higher losses	$ 1,528	$ 2,409
25% higher losses	$ 3,819	$ 5,915
Subordinate Securities | Minimum
Decrease in fair value from:
Impact of adverse change in prepayment speed (as a percent)	10.00%	10.00%
Decrease in fair value from:
Impact of increase in discount rate assumption	1.00%	1.00%
Decrease in fair value from:
Impact of adverse change in expected credit losses (as a percent)	10.00%	10.00%
Subordinate Securities | Maximum
Decrease in fair value from:
Impact of adverse change in prepayment speed (as a percent)	25.00%	25.00%
Decrease in fair value from:
Impact of increase in discount rate assumption	2.00%	2.00%
Decrease in fair value from:
Impact of adverse change in expected credit losses (as a percent)	25.00%	25.00%

Principles of Consolidation -_5

Principles of Consolidation - Summary of Redwood's Interest in Third-Party Variable Interest Entity's (Details) - USD ($) $ in Thousands		Dec. 31, 2021	Dec. 31, 2020
Variable Interest Entity [Line Items]
Real estate securities	[1]	$ 377,411	$ 344,125
Real estate securities | Variable Interest Entity, Not Primary Beneficiary
Variable Interest Entity [Line Items]
Real estate securities		242,055	200,801
Real estate securities | Senior | Variable Interest Entity, Not Primary Beneficiary
Variable Interest Entity [Line Items]
Real estate securities		3,572	11,131
Real estate securities | Mezzanine | Variable Interest Entity, Not Primary Beneficiary
Variable Interest Entity [Line Items]
Real estate securities		0	2,014
Real estate securities | Subordinate | Variable Interest Entity, Not Primary Beneficiary
Variable Interest Entity [Line Items]
Real estate securities		228,083	173,523
Real estate securities | Total Mortgage-Backed Securities | Variable Interest Entity, Not Primary Beneficiary
Variable Interest Entity [Line Items]
Real estate securities		231,655	186,668
Real estate securities | Excess MSR | Variable Interest Entity, Not Primary Beneficiary
Variable Interest Entity [Line Items]
Real estate securities		$ 10,400	$ 14,133
[1]	Our consolidated balance sheets include assets of consolidated variable interest entities (“VIEs”) that can only be used to settle obligations of these VIEs and liabilities of consolidated VIEs for which creditors do not have recourse to Redwood Trust, Inc. or its affiliates. At December 31, 2021 and 2020, assets of consolidated VIEs totaled $10,661,081 and $8,141,069, respectively. At December 31, 2021 and 2020, liabilities of consolidated VIEs totaled $9,619,347 and $7,148,414, respectively. See Note 4 for further discussion.

Fair Value of Financial Instr_3

Fair Value of Financial Instruments - Carrying Values and Estimated Fair Values of Assets and Liabilities (Details) - USD ($) $ in Thousands		Dec. 31, 2021	Dec. 31, 2020
Assets
Real estate securities		$ 170,619	$ 125,667
Derivative assets	[1]	26,467	53,238
Pledged collateral		0	1,177
Liabilities
Derivative liabilities	[1]	3,317	16,072
Fair value		8,843,147	6,900,362
Residential Loans
Assets
MSRs		350,923	231,489
Carrying Value
Assets
Real estate securities		377,411	344,125
Other investments		12,663	18,847
Cash and cash equivalents		450,485	461,260
Restricted cash		80,999	83,190
Derivative assets		26,467	53,238
Margin receivable		7,269	4,758
FHLBC stock		10	5,000
Pledged collateral		0	1,177
Liabilities
Margin payable		24,368	0
Guarantee obligation		7,459	10,039
Derivative liabilities		3,317	16,072
Fair value		8,843,147	6,900,362
Amortized cost		410,410	200,299
Other long-term debt, net (4)		988,483	774,726
Convertible notes, net (4)		513,629	511,085
Trust preferred securities and subordinated notes, net (4)		138,721	138,674
Carrying Value | HEIs
Assets
Shared home appreciation options		192,740	42,440
Liabilities
Point HEI non-controlling interest		17,035	0
Carrying Value | Servicer advance investments
Assets
MSRs		350,923	231,489
Carrying Value | MSRs
Assets
MSRs		12,438	8,815
Carrying Value | Excess MSRs
Assets
Other assets		44,231	34,418
Carrying Value | REO
Assets
Other assets		36,126	8,413
Carrying Value | Credit facilities
Liabilities
Short-term debt		2,177,362	522,609
Carrying Value | Residential Loans | Residential loans, held-for-sale at fair value
Assets
Loans, held-for-sale		1,845,248	176,604
Carrying Value | Residential Loans | Residential loans, held-for-investment
Assets
Loans, held-for-investment		5,747,150	4,072,410
Carrying Value | Residential Loans | Business purpose loans, held-for-sale
Assets
Loans, held-for-sale		358,309	245,394
Carrying Value | Residential Loans | Business purpose loans, held-for-investment, at fair value
Assets
Loans, held-for-investment		4,432,680	3,890,959
Carrying Value | Residential Loans | Multifamily securities
Assets
Loans, held-for-investment		473,514	492,221
Fair Value
Assets
Real estate securities		377,411	344,125
Other investments		12,663	18,847
Cash and cash equivalents		450,485	461,260
Restricted cash		80,999	83,190
Derivative assets		26,467	53,238
Margin receivable		7,269	4,758
FHLBC stock		10	5,000
Pledged collateral		0	1,177
Liabilities
Margin payable		24,368	0
Guarantee obligation		7,133	7,843
Derivative liabilities		3,317	16,072
Fair value		8,843,147	6,900,362
Amortized cost		410,471	204,892
Other long-term debt, net (4)		989,570	783,570
Convertible notes, net (4)		537,300	499,865
Trust preferred securities and subordinated notes, net (4)		97,650	80,910
Fair Value | HEIs
Assets
Shared home appreciation options		192,740	42,440
Liabilities
Point HEI non-controlling interest		17,035	0
Fair Value | Servicer advance investments
Assets
MSRs		350,923	231,489
Fair Value | MSRs
Assets
MSRs		12,438	8,815
Fair Value | Excess MSRs
Assets
Other assets		44,231	34,418
Fair Value | REO
Assets
Other assets		39,272	9,229
Fair Value | Credit facilities
Liabilities
Short-term debt		2,177,362	522,609
Fair Value | Residential Loans | Residential loans, held-for-sale at fair value
Assets
Loans, held-for-sale		1,845,248	176,604
Fair Value | Residential Loans | Residential loans, held-for-investment
Assets
Loans, held-for-investment		5,747,150	4,072,410
Fair Value | Residential Loans | Business purpose loans, held-for-sale
Assets
Loans, held-for-sale		358,309	245,394
Fair Value | Residential Loans | Business purpose loans, held-for-investment, at fair value
Assets
Loans, held-for-investment		4,432,680	3,890,959
Fair Value | Residential Loans | Multifamily securities
Assets
Loans, held-for-investment		$ 473,514	$ 492,221
[1]	Our consolidated balance sheets include assets of consolidated variable interest entities (“VIEs”) that can only be used to settle obligations of these VIEs and liabilities of consolidated VIEs for which creditors do not have recourse to Redwood Trust, Inc. or its affiliates. At December 31, 2021 and 2020, assets of consolidated VIEs totaled $10,661,081 and $8,141,069, respectively. At December 31, 2021 and 2020, liabilities of consolidated VIEs totaled $9,619,347 and $7,148,414, respectively. See Note 4 for further discussion.

Fair Value of Financial Instr_4

Fair Value of Financial Instruments - Additional Information (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Securities
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Fair value option elected aggregate carrying amount, asset	$ 59,000	$ 108,000
Residential Loans
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Fair value option elected aggregate carrying amount, asset	12,920,000	4,370,000
Business purpose residential loans, held-for-sale, at fair value
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Fair value option elected aggregate carrying amount, asset	2,220,000	1,400,000
Acquisitions	136,685	0
HEIs
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Acquisitions	155,023	3,517
MSRs and Other Investments
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Acquisitions	15,215	450
Multifamily loans, held-for-investment, at fair value
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Acquisitions	0	0
Servicer advance investments
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Fair value option elected aggregate carrying amount, asset	197,000	179,000
Excess MSRs
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Fair value option elected aggregate carrying amount, asset	18,000	$ 11,000
Home Appreciation Option
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Fair value option elected aggregate carrying amount, asset	$ 15,000

Fair Value of Financial Instr_5

Fair Value of Financial Instruments - Assets and Liabilities Measured at Fair Value on Recurring Basis (Details) - USD ($) $ in Thousands		Dec. 31, 2021	Dec. 31, 2020
Assets
Real estate securities		$ 170,619	$ 125,667
Other investments	[1]	641,969	348,175
Derivative assets	[1]	26,467	53,238
Pledged collateral		0	1,177
Liabilities
Derivative liabilities	[1]	3,317	16,072
ABS issued		8,843,147	6,900,362
Fair Value, Measurements, Recurring
Assets
Business purpose loans		4,790,989	4,136,353
Multifamily loans		473,514	492,221
Real estate securities		377,411	344,125
Servicer advance investments		350,923	231,489
MSRs		12,438	8,815
Excess MSRs		44,231	34,418
Home Appreciation Options, Fair value Disclosure		192,740	42,440
Other investments		17,574
Derivative assets		26,467	53,238
Pledged collateral			1,177
FHLBC stock		10	5,000
Liabilities
Derivative liabilities		3,317	16,072
ABS issued		8,843,147	6,900,362
Fair Value, Measurements, Recurring | Residential Loans
Assets
Residential loans		7,592,398	4,249,014
Fair Value, Measurements, Recurring | Level 1
Assets
Business purpose loans		0	0
Multifamily loans		0	0
Real estate securities			0
Servicer advance investments		0	0
MSRs			0
Excess MSRs		0	0
Home Appreciation Options, Fair value Disclosure		0	0
Other investments		0
Derivative assets		2,906	18,260
Pledged collateral			1,177
FHLBC stock		0	0
Liabilities
Derivative liabilities		1,563	15,495
ABS issued			0
Fair Value, Measurements, Recurring | Level 1 | Residential Loans
Assets
Residential loans			0
Fair Value, Measurements, Recurring | Level 2
Assets
Business purpose loans		0	0
Multifamily loans		0	0
Real estate securities			0
Servicer advance investments		0	0
MSRs			0
Excess MSRs		0	0
Home Appreciation Options, Fair value Disclosure		0	0
Other investments		0
Derivative assets		18,928	19,951
Pledged collateral			0
FHLBC stock		10	5,000
Liabilities
Derivative liabilities		1,251	0
ABS issued			0
Fair Value, Measurements, Recurring | Level 2 | Residential Loans
Assets
Residential loans		0	0
Fair Value, Measurements, Recurring | Level 3
Assets
Business purpose loans		4,790,989	4,136,353
Multifamily loans		473,514	492,221
Real estate securities		377,411	344,125
Servicer advance investments		350,923	231,489
MSRs		12,438	8,815
Excess MSRs		44,231	34,418
Home Appreciation Options, Fair value Disclosure		192,740	42,440
Other investments		17,574
Derivative assets		4,633	15,027
Pledged collateral			0
FHLBC stock			0
Liabilities
Derivative liabilities		503	577
ABS issued		8,843,147	6,900,362
Fair Value, Measurements, Recurring | Level 3 | Residential Loans
Assets
Residential loans		$ 7,592,398	$ 4,249,014
[1]	Our consolidated balance sheets include assets of consolidated variable interest entities (“VIEs”) that can only be used to settle obligations of these VIEs and liabilities of consolidated VIEs for which creditors do not have recourse to Redwood Trust, Inc. or its affiliates. At December 31, 2021 and 2020, assets of consolidated VIEs totaled $10,661,081 and $8,141,069, respectively. At December 31, 2021 and 2020, liabilities of consolidated VIEs totaled $9,619,347 and $7,148,414, respectively. See Note 4 for further discussion.

Fair Value of Financial Instr_6

Fair Value of Financial Instruments - Changes in Level 3 Assets and Liabilities Measured at Fair Value on Recurring Basis (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
HEIs
Liabilities
Beginning balance	$ 0
Acquisitions	16,639
Principal paydowns	0
Gains (losses) in net income (loss), net	396
Other settlements, net	0
Ending Balance	17,035	$ 0
ABS issued
Liabilities
Beginning balance	6,900,362	10,515,475
Acquisitions	4,202,070	1,478,589
Principal paydowns	(1,922,313)	(1,487,958)
Deconsolidations		(3,706,789)
Gains (losses) in net income (loss), net	(336,972)	101,045
Other settlements, net	0	0
Ending Balance	8,843,147	6,900,362
Contingent Consideration
Liabilities
Beginning balance	0	28,484
Acquisitions		0
Principal paydowns		(13,353)
Deconsolidations		0
Gains (losses) in net income (loss), net		(446)
Other settlements, net		(14,685)
Ending Balance		0
Residential Loans
Assets
Beginning balance	4,249,014	7,714,745
Acquisitions	13,139,907	4,483,473
Originations	0	0
Sales	(8,449,328)	(6,262,958)
Principal paydowns	(1,360,649)	(1,552,171)
Deconsolidations		0
Gains (losses) in net income (loss), net	16,688	(132,307)
Unrealized losses in OCI, net	0	0
Other settlements, net	(3,234)	(1,768)
Ending Balance	7,592,398	4,249,014
Business Purpose Loans
Assets
Beginning balance	4,136,353	3,506,743
Acquisitions	136,685	0
Originations	2,150,539	1,431,251
Sales	(211,113)	(135,800)
Principal paydowns	(1,307,566)	(753,026)
Deconsolidations		0
Gains (losses) in net income (loss), net	(77,357)	99,590
Unrealized losses in OCI, net	0	0
Other settlements, net	(36,552)	(12,405)
Ending Balance	4,790,989	4,136,353
Multifamily securities
Assets
Beginning balance	492,221	4,408,524
Acquisitions	0	0
Originations	0	0
Sales	0	0
Principal paydowns	(7,639)	(7,703)
Deconsolidations		(3,849,779)
Gains (losses) in net income (loss), net	(11,068)	(58,821)
Unrealized losses in OCI, net	0	0
Other settlements, net	0	0
Ending Balance	473,514	492,221
Trading securities
Assets
Beginning balance	125,667	860,540
Acquisitions	58,917	108,249
Originations	0	0
Sales	(34,802)	(603,529)
Principal paydowns	(2,713)	(8,687)
Deconsolidations		0
Gains (losses) in net income (loss), net	23,550	(230,906)
Unrealized losses in OCI, net	0	0
Other settlements, net	0	0
Ending Balance	170,619	125,667
AFS Securities
Assets
Beginning balance	218,458	239,334
Acquisitions	19,100	57,652
Originations	0	0
Sales	(4,785)	(55,192)
Principal paydowns	(57,953)	(17,924)
Deconsolidations		0
Gains (losses) in net income (loss), net	40,735	10,792
Unrealized losses in OCI, net	(8,763)	(16,204)
Other settlements, net	0	0
Ending Balance	206,792	218,458
Servicer advance investments
Assets
Beginning balance	231,489	169,204
Acquisitions	196,583	179,419
Originations	0	0
Sales	0	0
Principal paydowns	(76,223)	(107,527)
Deconsolidations		0
Gains (losses) in net income (loss), net	(926)	(9,607)
Unrealized losses in OCI, net	0	0
Other settlements, net	0	0
Ending Balance	350,923	231,489
Excess MSRs
Assets
Beginning balance	34,418	31,814
Acquisitions	17,830	10,906
Originations	0	0
Sales	0	0
Principal paydowns	0	0
Deconsolidations		0
Gains (losses) in net income (loss), net	(8,017)	(8,302)
Unrealized losses in OCI, net	0	0
Other settlements, net	0	0
Ending Balance	44,231	34,418
HEIs
Assets
Beginning balance	42,440	45,085
Acquisitions	155,023	3,517
Originations	0	0
Sales	0	0
Principal paydowns	(19,395)	(4,278)
Deconsolidations		0
Gains (losses) in net income (loss), net	13,774	(1,884)
Unrealized losses in OCI, net	0	0
Other settlements, net	898	0
Ending Balance	192,740	42,440
MSRs and Other Investments
Assets
Beginning balance	27,662	67,313
Acquisitions	15,215	450
Originations	0	0
Sales	0	0
Principal paydowns	(14,751)	(5,843)
Deconsolidations		0
Gains (losses) in net income (loss), net	(2,846)	(34,258)
Unrealized losses in OCI, net	0	0
Other settlements, net	(179)	0
Ending Balance	25,101	27,662
Derivatives
Assets
Beginning balance	14,450	8,860
Acquisitions	0	0
Principal paydowns	0	0
Deconsolidations		0
Gains (losses) in net income (loss), net	10,437	56,972
Other settlements, net	(20,757)	(51,382)
Ending Balance	$ 4,130	$ 14,450

Fair Value of Financial Instr_7

Fair Value of Financial Instruments - Portion of Net Gains (Losses) Attributable to Level 3 Assets and Liabilities Still Held Included in Net Income (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Non-controlling interest in consolidated Point HEI entity
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Net gain (loss) attributable to Level 3 liability	$ (396)	$ 0	$ 0
Loan purchase and interest rate lock commitments
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Net gain (loss) attributable to Level 3 liability	(503)	(577)	(1,290)
Contingent Consideration
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Net gain (loss) attributable to Level 3 liability	0	0	(3,217)
Point Entities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Net gain (loss) attributable to Level 3 asset	614	0	0
Residential loans, held-for-investment | Residential loans at Redwood
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Net gain (loss) attributable to Level 3 asset	5,886	1,138	67,470
Residential loans, held-for-investment | Net investments in consolidated Sequoia entities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Net gain (loss) attributable to Level 3 asset	12,455	(14,646)	4,529
Residential loans, held-for-investment | Freddie Mac SLST(1)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Net gain (loss) attributable to Level 3 asset	62,124	(21,220)	27,225
Business purpose loans
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Net gain (loss) attributable to Level 3 asset	9,444	9,420	14,603
Multifamily securities | Freddie Mac K-Series
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Net gain (loss) attributable to Level 3 asset	11,599	(9,309)	21,430
Single-family rental loans | CAFL(1)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Net gain (loss) attributable to Level 3 asset	8,198	(37,062)	(14,681)
Trading securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Net gain (loss) attributable to Level 3 asset	738	(83,327)	18,865
AFS Securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Net gain (loss) attributable to Level 3 asset	0	(388)	0
Servicer advance investments
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Net gain (loss) attributable to Level 3 asset	(926)	(8,902)	3,001
MSRs
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Net gain (loss) attributable to Level 3 asset	629	(17,545)	(11,957)
Excess MSRs
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Net gain (loss) attributable to Level 3 asset	(8,017)	(8,302)	(3,260)
Shared home appreciation options
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Net gain (loss) attributable to Level 3 asset	212	(1,884)	842
Loan purchase and interest rate lock commitments
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Net gain (loss) attributable to Level 3 asset	$ 4,633	$ 15,027	$ 10,190

Fair Value of Financial Instr_8

Fair Value of Financial Instruments - Assets and Liabilities Measured at Fair Value on Non-Recurring Basis (Details) - Fair Value, Measurements, Nonrecurring - REO - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Fair Value, Assets and Liabilities Measured on Nonrecurring Basis [Line Items]
Other assets	$ 588	$ 1,117
Gain (loss) on assets measured at fair value on a non-recurring basis	(217)	(157)
Level 1
Fair Value, Assets and Liabilities Measured on Nonrecurring Basis [Line Items]
Other assets	0	0
Level 2
Fair Value, Assets and Liabilities Measured on Nonrecurring Basis [Line Items]
Other assets	0	0
Level 3
Fair Value, Assets and Liabilities Measured on Nonrecurring Basis [Line Items]
Other assets	$ 588	$ 1,117

Fair Value of Financial Instr_9

Fair Value of Financial Instruments - Market Valuation Adjustments, Net (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
MSR income (loss), net	$ 2,380	$ (9,694)	$ 3,521
Gain on re-measurement of 5 Arches investment	0	0	2,441
Total Market Valuation (Losses) Gains, Net	321,433	(541,399)	97,006
Mortgage Banking Activities, Net
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Changes in fair value of assets	196,566	66,482	69,326
Mortgage Banking Activities, Net | Residential Loans
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Changes in fair value of assets	73,332	(15,477)	3,267
Mortgage Banking Activities, Net | Residential loan purchase and forward sale commitments
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Changes in fair value of assets	10,401	56,761	60,260
Mortgage Banking Activities, Net | Single-family rental loans held-for-sale, at fair value
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Changes in fair value of assets	63,206	82,169	15,043
Mortgage Banking Activities, Net | Single-family rental loan purchase and interest rate lock commitments
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Changes in fair value of assets	666	341	1,961
Mortgage Banking Activities, Net | Bridge loans
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Changes in fair value of assets	8,253	(4,998)	4,518
Mortgage Banking Activities, Net | Trading securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Changes in fair value of assets	(352)	(4,535)	0
Mortgage Banking Activities, Net | Risk management derivatives, net
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Changes in fair value of assets	41,060	(47,779)	(15,723)
Investment Fair Value Changes, Net
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Changes in fair value of assets	128,049	(588,438)	35,500
Investment Fair Value Changes, Net | Trading securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Changes in fair value of assets	23,935	(226,196)	56,046
Investment Fair Value Changes, Net | Risk management derivatives, net
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Changes in fair value of assets	0	(59,142)	(127,169)
Investment Fair Value Changes, Net | Residential loans held-for-investment at Redwood
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Changes in fair value of assets	2,812	(93,314)	58,891
Investment Fair Value Changes, Net | Single-family rental loans held-for-investment
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Changes in fair value of assets	0	(20,806)	272
Investment Fair Value Changes, Net | Bridge loans held-for-investment
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Changes in fair value of assets	(65)	(10,629)	(2,139)
Investment Fair Value Changes, Net | Servicer advance investments
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Changes in fair value of assets	(925)	(8,901)	3,001
Investment Fair Value Changes, Net | Excess MSRs
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Changes in fair value of assets	(8,017)	(8,302)	(3,260)
Investment Fair Value Changes, Net | Net investments in Legacy Sequoia entities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Changes in fair value of assets	(1,558)	(1,513)	(1,545)
Investment Fair Value Changes, Net | Net investments in Sequoia Choice entities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Changes in fair value of assets	14,176	(13,244)	6,947
Investment Fair Value Changes, Net | Net investments in Freddie Mac SLST entities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Changes in fair value of assets	62,374	(21,160)	27,206
Investment Fair Value Changes, Net | Net investments in Freddie Mac K-Series entities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Changes in fair value of assets	11,599	(81,039)	21,430
Investment Fair Value Changes, Net | Net investments in CAFL entities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Changes in fair value of assets	10,271	(36,754)	(3,636)
Investment Fair Value Changes, Net | Point Entities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Changes in fair value of assets	218	0	0
Investment Fair Value Changes, Net | Shared Home Appreciation Options
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Changes in fair value of assets	13,207	(1,883)	0
Investment Fair Value Changes, Net | Other investments
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Changes in fair value of assets	(366)	(5,167)	(544)
Investment Fair Value Changes, Net | Credit losses on AFS securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Changes in fair value of assets	388	(388)	0
Other Income
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
MSR income (loss), net	(3,182)	(19,443)	(7,820)
Gain on re-measurement of 5 Arches investment	0	0	2,441
Other Income | Risk management derivatives, net
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
MSR income (loss), net	0	13,966	8,595
Other Income | MSRs
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
MSR income (loss), net	$ (3,182)	$ (33,409)	$ (18,856)

Fair Value of Financial Inst_10

Fair Value of Financial Instruments - Quantitative Information about Significant Unobservable Inputs Used in Valuation of Level 3 Assets and Liabilities Measured at Fair Value (Details)	12 Months Ended
	Dec. 31, 2021USD ($)$ / loan	Dec. 31, 2020USD ($)$ / loan
Variable Interest Entity, Primary Beneficiary | Collateralized Financing Entities | Point
Liabilities
Fair value of securities owned | $	$ 10,000,000
ABS Issued Securities
Liabilities
ABS issued | $	$ 3,610,929,000
ABS Issued Securities | Prepayment rate (annual CPR) | Minimum
Liabilities
ABS issued, measurement inputs	0.07
ABS Issued Securities | Prepayment rate (annual CPR) | Maximum
Liabilities
ABS issued, measurement inputs	0.50
ABS Issued Securities | Prepayment rate (annual CPR) | Weighted Average
Liabilities
ABS issued, measurement inputs	0.28
ABS Issued Securities | Discount rate | Minimum
Liabilities
ABS issued, measurement inputs	0.01
ABS Issued Securities | Discount rate | Maximum
Liabilities
ABS issued, measurement inputs	0.18
ABS Issued Securities | Discount rate | Weighted Average
Liabilities
ABS issued, measurement inputs	0.04
ABS Issued Securities | Default rate | Minimum
Liabilities
ABS issued, measurement inputs	0
ABS Issued Securities | Default rate | Maximum
Liabilities
ABS issued, measurement inputs	0.37
ABS Issued Securities | Default rate | Weighted Average
Liabilities
ABS issued, measurement inputs	0.01
ABS Issued Securities | Loss severity | Minimum
Liabilities
ABS issued, measurement inputs	0.25
ABS Issued Securities | Loss severity | Maximum
Liabilities
ABS issued, measurement inputs	0.50
ABS Issued Securities | Loss severity | Weighted Average
Liabilities
ABS issued, measurement inputs	0.32
CAFL(1)
Liabilities
ABS issued | $	$ 3,207,444,000
CAFL(1) | Prepayment rate (annual CPR) | Minimum
Liabilities
ABS issued, measurement inputs	0.03
CAFL(1) | Prepayment rate (annual CPR) | Maximum
Liabilities
ABS issued, measurement inputs	0.03
CAFL(1) | Prepayment rate (annual CPR) | Weighted Average
Liabilities
ABS issued, measurement inputs	0.03
CAFL(1) | Discount rate | Minimum
Liabilities
ABS issued, measurement inputs	0.01
CAFL(1) | Discount rate | Maximum
Liabilities
ABS issued, measurement inputs	0.12
CAFL(1) | Discount rate | Weighted Average
Liabilities
ABS issued, measurement inputs	0.03
CAFL(1) | Default rate | Minimum
Liabilities
ABS issued, measurement inputs	0.05
CAFL(1) | Default rate | Maximum
Liabilities
ABS issued, measurement inputs	0.20
CAFL(1) | Default rate | Weighted Average
Liabilities
ABS issued, measurement inputs	0.08
CAFL(1) | Loss severity | Minimum
Liabilities
ABS issued, measurement inputs	0.30
CAFL(1) | Loss severity | Maximum
Liabilities
ABS issued, measurement inputs	0.30
CAFL(1) | Loss severity | Weighted Average
Liabilities
ABS issued, measurement inputs	0.30
Freddie Mac SLST(1)
Liabilities
ABS issued | $	$ 1,445,507,000
Freddie Mac SLST(1) | Prepayment rate (annual CPR) | Minimum
Liabilities
ABS issued, measurement inputs	0.06
Freddie Mac SLST(1) | Prepayment rate (annual CPR) | Maximum
Liabilities
ABS issued, measurement inputs	0.08
Freddie Mac SLST(1) | Prepayment rate (annual CPR) | Weighted Average
Liabilities
ABS issued, measurement inputs	0.06
Freddie Mac SLST(1) | Discount rate | Minimum
Liabilities
ABS issued, measurement inputs	0.02
Freddie Mac SLST(1) | Discount rate | Maximum
Liabilities
ABS issued, measurement inputs	0.07
Freddie Mac SLST(1) | Discount rate | Weighted Average
Liabilities
ABS issued, measurement inputs	0.03
Freddie Mac SLST(1) | Default rate | Minimum
Liabilities
ABS issued, measurement inputs	0.09
Freddie Mac SLST(1) | Default rate | Maximum
Liabilities
ABS issued, measurement inputs	0.10
Freddie Mac SLST(1) | Default rate | Weighted Average
Liabilities
ABS issued, measurement inputs	0.09
Freddie Mac SLST(1) | Loss severity | Minimum
Liabilities
ABS issued, measurement inputs	0.35
Freddie Mac SLST(1) | Loss severity | Maximum
Liabilities
ABS issued, measurement inputs	0.35
Freddie Mac SLST(1) | Loss severity | Weighted Average
Liabilities
ABS issued, measurement inputs	0.35
Freddie Mac K-Series
Liabilities
ABS issued | $	$ 441,857,000
Freddie Mac K-Series | Discount rate | Minimum
Liabilities
ABS issued, measurement inputs	0.01
Freddie Mac K-Series | Discount rate | Maximum
Liabilities
ABS issued, measurement inputs	0.08
Freddie Mac K-Series | Discount rate | Weighted Average
Liabilities
ABS issued, measurement inputs	0.02
Consolidated Point Entities
Liabilities
ABS issued | $	$ 137,410,000
Consolidated Point Entities | Prepayment rate (annual CPR) | Minimum
Liabilities
ABS issued, measurement inputs	0.20
Consolidated Point Entities | Prepayment rate (annual CPR) | Maximum
Liabilities
ABS issued, measurement inputs	0.20
Consolidated Point Entities | Prepayment rate (annual CPR) | Weighted Average
Liabilities
ABS issued, measurement inputs	0.20
Consolidated Point Entities | Discount rate | Minimum
Liabilities
ABS issued, measurement inputs	0.04
Consolidated Point Entities | Discount rate | Maximum
Liabilities
ABS issued, measurement inputs	0.15
Consolidated Point Entities | Discount rate | Weighted Average
Liabilities
ABS issued, measurement inputs	0.05
Consolidated Point Entities | Default rate | Minimum
Liabilities
ABS issued, measurement inputs	0.06
Consolidated Point Entities | Default rate | Maximum
Liabilities
ABS issued, measurement inputs	0.06
Consolidated Point Entities | Default rate | Weighted Average
Liabilities
ABS issued, measurement inputs	0.06
Consolidated Point Entities | Loss severity | Minimum
Liabilities
ABS issued, measurement inputs	0.25
Consolidated Point Entities | Loss severity | Maximum
Liabilities
ABS issued, measurement inputs	0.25
Consolidated Point Entities | Loss severity | Weighted Average
Liabilities
ABS issued, measurement inputs	0.25
Consolidated Point Entities | Home price appreciation | Minimum
Liabilities
ABS issued, measurement inputs	0.03
Consolidated Point Entities | Home price appreciation | Maximum
Liabilities
ABS issued, measurement inputs	0.04
Consolidated Point Entities | Home price appreciation | Weighted Average
Liabilities
ABS issued, measurement inputs	0.03
Jumbo fixed-rate loans
Assets
Loans, held-for-investment | $	$ 1,200,322,000
Jumbo fixed-rate loans | Whole loan spread to swap rate | Minimum
Assets
Loans held-for-sale, measurement input	0.0185
Jumbo fixed-rate loans | Whole loan spread to swap rate | Maximum
Assets
Loans held-for-sale, measurement input	0.0185
Jumbo fixed-rate loans | Whole loan spread to swap rate | Weighted Average
Assets
Loans held-for-sale, measurement input	0.0185
Jumbo fixed-rate loans | Prepayment rate (annual CPR) | Minimum
Assets
Loans held-for-sale, measurement input	0.20
Jumbo fixed-rate loans | Prepayment rate (annual CPR) | Maximum
Assets
Loans held-for-sale, measurement input	0.20
Jumbo fixed-rate loans | Prepayment rate (annual CPR) | Weighted Average
Assets
Loans held-for-sale, measurement input	0.20
Jumbo fixed-rate loans | Whole loan spread to TBA price | Minimum
Assets
Loans held-for-sale, measurement input	2.56
Jumbo fixed-rate loans | Whole loan spread to TBA price | Maximum
Assets
Loans held-for-sale, measurement input	2.56
Jumbo fixed-rate loans | Whole loan spread to TBA price | Weighted Average
Assets
Loans held-for-sale, measurement input	2.56
Jumbo loans committed to sell
Assets
Loans, held-for-investment | $	$ 644,926,000
Jumbo loans committed to sell | Whole loan committed sales price | Minimum
Assets
Loans held-for-sale, measurement input	101.91
Jumbo loans committed to sell | Whole loan committed sales price | Maximum
Assets
Loans held-for-sale, measurement input	102.58
Jumbo loans committed to sell | Whole loan committed sales price | Weighted Average
Assets
Loans held-for-sale, measurement input	102.19
Legacy Sequoia
Assets
Loans, held-for-investment | $	$ 230,455,000
Sequoia
Assets
Loans, held-for-investment | $	3,628,465,000
Liabilities
Fair value of securities owned | $	248,000,000
Freddie Mac SLST(1)
Assets
Loans, held-for-investment | $	1,888,230,000
Liabilities
Fair value of securities owned | $	445,000,000	$ 428,000,000
Single-family rental loans
Assets
Loans, held-for-investment | $	$ 358,309,000
Single-family rental loans | Prepayment rate (annual CPR) | Minimum
Assets
Loans receivable, measurement input	0.03
Single-family rental loans | Prepayment rate (annual CPR) | Maximum
Assets
Loans receivable, measurement input	0.03
Single-family rental loans | Prepayment rate (annual CPR) | Weighted Average
Assets
Loans receivable, measurement input	0.03
Single-family rental loans | Non-securitizable loan dollar price | Minimum
Assets
Loans receivable, measurement input	78
Single-family rental loans | Non-securitizable loan dollar price | Maximum
Assets
Loans receivable, measurement input	103
Single-family rental loans | Non-securitizable loan dollar price | Weighted Average
Assets
Loans receivable, measurement input	99
Single-family rental loans | Senior credit spread | Minimum
Assets
Loans receivable, measurement input	0.0085
Single-family rental loans | Senior credit spread | Maximum
Assets
Loans receivable, measurement input	0.0110
Single-family rental loans | Senior credit spread | Weighted Average
Assets
Loans receivable, measurement input	0.0091
Single-family rental loans | Subordinate credit spread | Minimum
Assets
Loans receivable, measurement input	0.0125
Single-family rental loans | Subordinate credit spread | Maximum
Assets
Loans receivable, measurement input	0.1517
Single-family rental loans | Subordinate credit spread | Weighted Average
Assets
Loans receivable, measurement input	0.0362
Single-family rental loans | Senior credit support | Minimum
Assets
Loans receivable, measurement input	0.36
Single-family rental loans | Senior credit support | Maximum
Assets
Loans receivable, measurement input	0.36
Single-family rental loans | Senior credit support | Weighted Average
Assets
Loans receivable, measurement input	0.36
Single-family rental loans | IO discount rate | Minimum
Assets
Loans receivable, measurement input	0.08
Single-family rental loans | IO discount rate | Maximum
Assets
Loans receivable, measurement input	0.14
Single-family rental loans | IO discount rate | Weighted Average
Assets
Loans receivable, measurement input	0.09
CAFL(1)
Assets
Loans, held-for-investment | $	$ 3,488,074,000
Liabilities
Fair value of securities owned | $	302,000,000	$ 239,000,000
Residential Bridge, Held-for-investment at fair value
Assets
Loans, held-for-investment | $	$ 944,606,000
Residential Bridge, Held-for-investment at fair value | Discount rate | Minimum
Assets
Loans receivable, measurement input	0.04
Residential Bridge, Held-for-investment at fair value | Discount rate | Maximum
Assets
Loans receivable, measurement input	0.15
Residential Bridge, Held-for-investment at fair value | Discount rate | Weighted Average
Assets
Loans receivable, measurement input	0.06
Freddie Mac K-Series
Assets
Loans, held-for-investment | $	$ 473,514,000
Liabilities
Fair value of securities owned | $	32,000,000
Trading and AFS securities
Assets
Trading and AFS securities | $	$ 377,411,000
Trading and AFS securities | Prepayment rate (annual CPR) | Minimum
Assets
Trading and AFS securities, measurement inputs	0.07
Trading and AFS securities | Prepayment rate (annual CPR) | Maximum
Assets
Trading and AFS securities, measurement inputs	0.50
Trading and AFS securities | Prepayment rate (annual CPR) | Weighted Average
Assets
Trading and AFS securities, measurement inputs	0.26
Trading and AFS securities | Discount rate | Minimum
Assets
Trading and AFS securities, measurement inputs	0.02
Trading and AFS securities | Discount rate | Maximum
Assets
Trading and AFS securities, measurement inputs	0.47
Trading and AFS securities | Discount rate | Weighted Average
Assets
Trading and AFS securities, measurement inputs	0.07
Trading and AFS securities | Default rate | Minimum
Assets
Trading and AFS securities, measurement inputs	0
Trading and AFS securities | Default rate | Maximum
Assets
Trading and AFS securities, measurement inputs	0.27
Trading and AFS securities | Default rate | Weighted Average
Assets
Trading and AFS securities, measurement inputs	0.04
Trading and AFS securities | Loss severity | Minimum
Assets
Trading and AFS securities, measurement inputs	0
Trading and AFS securities | Loss severity | Maximum
Assets
Trading and AFS securities, measurement inputs	0.50
Trading and AFS securities | Loss severity | Weighted Average
Assets
Trading and AFS securities, measurement inputs	0.24
Trading and AFS securities | CRT dollar price | Minimum
Assets
Loans held-for-sale, measurement input	102
Trading and AFS securities, measurement inputs	96
Trading and AFS securities | CRT dollar price | Maximum
Assets
Loans held-for-sale, measurement input	102
Trading and AFS securities, measurement inputs	112
Trading and AFS securities | CRT dollar price | Weighted Average
Assets
Loans held-for-sale, measurement input	102
Trading and AFS securities, measurement inputs	103
Servicer advance investments
Assets
Servicing asset | $	$ 350,923,000
Servicer advance investments | Minimum
Assets
Expected remaining life	4 years
Servicer advance investments | Maximum
Assets
Expected remaining life	5 years
Servicer advance investments | Weighted Average
Assets
Expected remaining life	5 years
Servicer advance investments | Prepayment rate (annual CPR) | Minimum
Assets
Servicing assets, measurement inputs	0.17
Servicer advance investments | Prepayment rate (annual CPR) | Maximum
Assets
Servicing assets, measurement inputs	0.30
Servicer advance investments | Prepayment rate (annual CPR) | Weighted Average
Assets
Servicing assets, measurement inputs	0.18
Servicer advance investments | Discount rate | Minimum
Assets
Servicing assets, measurement inputs	0.02
Servicer advance investments | Discount rate | Maximum
Assets
Servicing assets, measurement inputs	0.04
Servicer advance investments | Discount rate | Weighted Average
Assets
Servicing assets, measurement inputs	0.03
Servicer advance investments | Mortgage servicing income | Minimum
Assets
Loan purchase commitments, net, measurement inputs	0.0002
Servicer advance investments | Mortgage servicing income | Maximum
Assets
Loan purchase commitments, net, measurement inputs	0.0018
Servicer advance investments | Mortgage servicing income | Weighted Average
Assets
Loan purchase commitments, net, measurement inputs	0.0011
MSRs
Assets
Servicing asset | $	$ 12,438,000
MSRs | Prepayment rate (annual CPR) | Minimum
Assets
Servicing assets, measurement inputs	0.06
MSRs | Prepayment rate (annual CPR) | Maximum
Assets
Servicing assets, measurement inputs	0.79
MSRs | Prepayment rate (annual CPR) | Weighted Average
Assets
Servicing assets, measurement inputs	0.24
MSRs | Discount rate | Minimum
Assets
Servicing assets, measurement inputs	0.12
MSRs | Discount rate | Maximum
Assets
Servicing assets, measurement inputs	0.15
MSRs | Discount rate | Weighted Average
Assets
Servicing assets, measurement inputs	0.13
MSRs | Per loan annual cost to service | Minimum
Assets
Servicing assets, measurement inputs	95
MSRs | Per loan annual cost to service | Maximum
Assets
Servicing assets, measurement inputs	95
MSRs | Per loan annual cost to service | Weighted Average
Assets
Servicing assets, measurement inputs	95
Excess MSRs
Assets
Servicing asset | $	$ 44,231,000
Excess MSRs | Prepayment rate (annual CPR) | Minimum
Assets
Servicing assets, measurement inputs	0.19
Excess MSRs | Prepayment rate (annual CPR) | Maximum
Assets
Servicing assets, measurement inputs	0.31
Excess MSRs | Prepayment rate (annual CPR) | Weighted Average
Assets
Servicing assets, measurement inputs	0.22
Excess MSRs | Discount rate | Minimum
Assets
Servicing assets, measurement inputs	0.13
Excess MSRs | Discount rate | Maximum
Assets
Servicing assets, measurement inputs	0.19
Excess MSRs | Discount rate | Weighted Average
Assets
Servicing assets, measurement inputs	0.17
Excess MSRs | Excess mortgage servicing amount | Minimum
Assets
Servicing assets, measurement inputs	0.0009
Excess MSRs | Excess mortgage servicing amount | Maximum
Assets
Servicing assets, measurement inputs	0.0017
Excess MSRs | Excess mortgage servicing amount | Weighted Average
Assets
Servicing assets, measurement inputs	0.0011
HEIs
Assets
Home Appreciation Options, Fair value Disclosure | $	$ 33,187,000
Point Options Held By Point
Assets
Home Appreciation Options, Fair value Disclosure | $	159,553,000
REO
Assets
REO | $	$ 588,000
REO | Loss severity | Minimum
Assets
REO, measurement inputs	0.09
REO | Loss severity | Maximum
Assets
REO, measurement inputs	1
REO | Loss severity | Weighted Average
Assets
REO, measurement inputs	0.17
Loan purchase and interest rate lock commitments
Assets
Loan purchase commitments, net | $	$ 3,464,000
Loan purchase and interest rate lock commitments | Prepayment rate (annual CPR) | Minimum
Assets
Loan purchase commitments, net, measurement inputs	0.20
Loan purchase and interest rate lock commitments | Prepayment rate (annual CPR) | Maximum
Assets
Loan purchase commitments, net, measurement inputs	0.20
Loan purchase and interest rate lock commitments | Prepayment rate (annual CPR) | Weighted Average
Assets
Loan purchase commitments, net, measurement inputs	0.20
Loan purchase and interest rate lock commitments | Pull-through rate | Minimum
Assets
Loan purchase commitments, net, measurement inputs	0.07
Loan purchase and interest rate lock commitments | Pull-through rate | Maximum
Assets
Loan purchase commitments, net, measurement inputs	1
Loan purchase and interest rate lock commitments | Pull-through rate | Weighted Average
Assets
Loan purchase commitments, net, measurement inputs	0.69
Loan purchase and interest rate lock commitments | Whole loan spread to TBA price | Minimum
Assets
Loan purchase commitments, net, measurement inputs	2.56
Loan purchase and interest rate lock commitments | Whole loan spread to TBA price | Maximum
Assets
Loan purchase commitments, net, measurement inputs	2.56
Loan purchase and interest rate lock commitments | Whole loan spread to TBA price | Weighted Average
Assets
Loan purchase commitments, net, measurement inputs	2.56
Loan purchase and interest rate lock commitments | Whole loan spread to swap rate | Minimum
Assets
Loan purchase commitments, net, measurement inputs	0.0185
Loan purchase and interest rate lock commitments | Whole loan spread to swap rate | Maximum
Assets
Loan purchase commitments, net, measurement inputs	0.0185
Loan purchase and interest rate lock commitments | Whole loan spread to swap rate | Weighted Average
Assets
Loan purchase commitments, net, measurement inputs	0.0185
Loan purchase and interest rate lock commitments | Committed sales price | Minimum
Assets
Loan purchase commitments, measurement input	101.97
Loan purchase and interest rate lock commitments | Committed sales price | Maximum
Assets
Loan purchase commitments, measurement input	102.62
Loan purchase and interest rate lock commitments | Committed sales price | Weighted Average
Assets
Loan purchase commitments, measurement input	102.07
Single-family loan purchase commitments
Assets
Loan purchase commitments, net | $	$ 666,000
Single-family loan purchase commitments | Prepayment rate (annual CPR) | Minimum
Assets
Loan purchase commitments, net, measurement inputs	0.03
Single-family loan purchase commitments | Prepayment rate (annual CPR) | Maximum
Assets
Loan purchase commitments, net, measurement inputs	0.03
Single-family loan purchase commitments | Prepayment rate (annual CPR) | Weighted Average
Assets
Loan purchase commitments, net, measurement inputs	0.03
Single-family loan purchase commitments | Senior credit spread | Minimum
Assets
Loan purchase commitments, net, measurement inputs		0.0085
Single-family loan purchase commitments | Senior credit spread | Maximum
Assets
Loan purchase commitments, net, measurement inputs		0.0085
Single-family loan purchase commitments | Senior credit spread | Weighted Average
Assets
Loan purchase commitments, net, measurement inputs		0.0085
Single-family loan purchase commitments | Subordinate credit spread | Minimum
Assets
Loan purchase commitments, net, measurement inputs		0.0125
Single-family loan purchase commitments | Subordinate credit spread | Maximum
Assets
Loan purchase commitments, net, measurement inputs		0.1517
Single-family loan purchase commitments | Subordinate credit spread | Weighted Average
Assets
Loan purchase commitments, net, measurement inputs		0.0450
Single-family loan purchase commitments | Senior credit support | Minimum
Assets
Loan purchase commitments, net, measurement inputs	0.30
Single-family loan purchase commitments | Senior credit support | Maximum
Assets
Loan purchase commitments, net, measurement inputs	0.30
Single-family loan purchase commitments | Senior credit support | Weighted Average
Assets
Loan purchase commitments, net, measurement inputs	0.30
Single-family loan purchase commitments | IO discount rate | Minimum
Assets
Loan purchase commitments, net, measurement inputs	0.08
Single-family loan purchase commitments | IO discount rate | Maximum
Assets
Loan purchase commitments, net, measurement inputs	0.08
Single-family loan purchase commitments | IO discount rate | Weighted Average
Assets
Loan purchase commitments, net, measurement inputs	0.08
Single-family loan purchase commitments | Pull-through rate | Minimum
Assets
Loan purchase commitments, net, measurement inputs	1
Single-family loan purchase commitments | Pull-through rate | Maximum
Assets
Loan purchase commitments, net, measurement inputs	1
Single-family loan purchase commitments | Pull-through rate | Weighted Average
Assets
Loan purchase commitments, net, measurement inputs	1
HEIs | Prepayment rate (annual CPR) | Minimum
Assets
Shared home appreciation options, measurement inputs	0.01
HEIs | Prepayment rate (annual CPR) | Maximum
Assets
Shared home appreciation options, measurement inputs	0.24
HEIs | Prepayment rate (annual CPR) | Weighted Average
Assets
Shared home appreciation options, measurement inputs	0.17
HEIs | Discount rate | Minimum
Assets
Shared home appreciation options, measurement inputs	0.10
HEIs | Discount rate | Maximum
Assets
Shared home appreciation options, measurement inputs	0.10
HEIs | Discount rate | Weighted Average
Assets
Shared home appreciation options, measurement inputs	0.10
HEIs | Home price appreciation | Minimum
Assets
Shared home appreciation options, measurement inputs	0.03
HEIs | Home price appreciation | Maximum
Assets
Shared home appreciation options, measurement inputs	0.04
HEIs | Home price appreciation | Weighted Average
Assets
Shared home appreciation options, measurement inputs	0.03

Residential Loans - Summary of

Residential Loans - Summary of Classifications and Carrying Value of Residential Loans (Details) - USD ($) $ in Thousands		Dec. 31, 2021	Dec. 31, 2020
MSRs
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Mortgage servicing rights		$ 1,740,000
Held-for-sale at fair value
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Loans, at fair value	[1]	1,845,282	$ 176,641
Residential loans, held-for-investment | Legacy Sequoia
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Loans, at fair value		230,455	285,935
Residential loans, held-for-investment | Sequoia
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Loans, at fair value		3,628,465	1,565,322
Residential loans, held-for-investment | Freddie Mac SLST(1)
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Loans, at fair value		1,888,230	2,221,153
Residential Loans
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Loans, at fair value		7,592,432	4,249,051
Residential Loans | Legacy Sequoia
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Loans, at fair value		230,455	285,935
Residential Loans | Sequoia
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Loans, at fair value		3,628,465	1,565,322
Residential Loans | Freddie Mac SLST(1)
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Loans, at fair value		1,888,230	2,221,153
Residential Loans | Held-for-sale at fair value
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Loans, at fair value		1,845,282	176,641
Residential Loans | Held-for-sale at fair value | Legacy Sequoia
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Loans, at fair value		0	0
Residential Loans | Held-for-sale at fair value | Sequoia
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Loans, at fair value		0	0
Residential Loans | Held-for-sale at fair value | Freddie Mac SLST(1)
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Loans, at fair value		0	0
Residential Loans | Residential loans, held-for-investment
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Loans, at fair value		5,747,150	4,072,410
Residential Loans | Residential loans, held-for-investment | Legacy Sequoia
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Loans, at fair value		230,455	285,935
Residential Loans | Residential loans, held-for-investment | Sequoia
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Loans, at fair value		3,628,465	1,565,322
Residential Loans | Residential loans, held-for-investment | Freddie Mac SLST(1)
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Loans, at fair value		1,888,230	2,221,153
Residential Loans | Redwood
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Loans, at fair value		1,845,282	176,641
Residential Loans | Redwood | Held-for-sale at fair value
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Loans, at fair value		1,845,282	176,641
Residential Loans | Redwood | Residential loans, held-for-investment
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Loans, at fair value		$ 0	$ 0
[1]	Our consolidated balance sheets include assets of consolidated variable interest entities (“VIEs”) that can only be used to settle obligations of these VIEs and liabilities of consolidated VIEs for which creditors do not have recourse to Redwood Trust, Inc. or its affiliates. At December 31, 2021 and 2020, assets of consolidated VIEs totaled $10,661,081 and $8,141,069, respectively. At December 31, 2021 and 2020, liabilities of consolidated VIEs totaled $9,619,347 and $7,148,414, respectively. See Note 4 for further discussion.

Residential Loans - Characteris

Residential Loans - Characteristics of Residential Loans Held-for-Sale (Details) - Residential Loans $ in Thousands	12 Months Ended
	Dec. 31, 2021USD ($)loan	Dec. 31, 2020USD ($)loan
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Number of Loans | loan	2,196	198
Unpaid principal balance	$ 1,813,865	$ 172,748
Loans, at fair value	1,845,282	176,641
Market value of loans pledged as collateral under short-term borrowing agreements	$ 1,838,797	$ 156,355
Weighted average coupon (as a percent)	3.27%	3.14%
Number of loans in foreclosure | loan	0	0
Financing Receivables, Equal to Greater than 90 Days Past Due
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Loans, at fair value	$ 2,923	$ 1,882
Number of loans with 90+ day delinquencies | loan	3	1
Fair value of loans with 90+ day delinquencies	$ 2,304	$ 1,223

Residential Loans - Activity of

Residential Loans - Activity of Residential Loans Held-for-Sale (Details) - Residential Loans $ in Thousands	12 Months Ended
	Dec. 31, 2021USD ($)securitization	Dec. 31, 2020USD ($)
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Principal balance of loans acquired (1)	$ 12,916,155	$ 4,374,201
Principal balance of loans sold	8,244,221	6,463,741
Principal balance of loans transferred to HFI	2,957,694	274,048
Gain (loss) on assets measured at fair value on a non-recurring basis	76,144	$ (15,477)
Legacy Sequoia
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Principal balance of loans acquired (1)	$ 200,000
Number of seasoned securitizations | securitization	7

Residential Loans - Character_2

Residential Loans - Characteristics of Loans Held-for-Investment (Details) - Residential loans, held-for-investment $ in Thousands	12 Months Ended
	Dec. 31, 2021USD ($)loan	Dec. 31, 2020USD ($)loan
Legacy Sequoia
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Number of Loans | loan	1,583	1,908
Unpaid principal balance	$ 264,057	$ 333,474
Loans, at fair value	$ 230,455	$ 285,935
Weighted average coupon (as a percent)	1.54%	1.67%
Number of loans in foreclosure | loan	10	21
Loans held as assets amount in foreclosure	$ 2,188	$ 4,939
Sequoia
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Number of Loans | loan	4,300	2,177
Unpaid principal balance	$ 3,605,469	$ 1,550,454
Loans, at fair value	$ 3,628,465	$ 1,565,322
Weighted average coupon (as a percent)	3.14%	4.64%
Number of loans in foreclosure | loan	2	3
Loans held as assets amount in foreclosure	$ 1,624	$ 2,251
Freddie Mac SLST(1)
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Number of Loans | loan	11,986	13,605
Unpaid principal balance	$ 1,932,241	$ 2,247,771
Loans, at fair value	$ 1,888,230	$ 2,221,153
Weighted average coupon (as a percent)	4.51%	4.52%
Number of loans in foreclosure | loan	241	245
Loans held as assets amount in foreclosure	$ 43,637	$ 38,610
Financing Receivables, Equal to Greater than 90 Days Past Due | Legacy Sequoia
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Number of loans past due | loan	32	52
Loans held as assets, 90 days or more past due	$ 7,482	$ 17,285
Financing Receivables, Equal to Greater than 90 Days Past Due | Sequoia
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Number of loans past due | loan	18	94
Loans held as assets, 90 days or more past due	$ 15,124	$ 74,742
Financing Receivables, Equal to Greater than 90 Days Past Due | Freddie Mac SLST(1)
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Number of loans past due | loan	1,208	2,110
Loans held as assets, 90 days or more past due	$ 212,961	$ 389,245

Residential Loans - Activity _2

Residential Loans - Activity of Residential Loans Held-for-Investment (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Transfers from loans held-for-sale to loans held-for-investment	$ 5,026,723	$ 1,868,656	$ 1,801,560
Residential loans, held-for-investment | Sequoia
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Valuation adjustments	(66,727)	(30,356)
Residential loans, held-for-investment | Freddie Mac SLST(1)
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Valuation adjustments	(14,735)	35,131
Residential loans, held-for-investment | Legacy Sequoia
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Valuation adjustments	12,125	(30,900)
Residential loans, held-for-investment | Sequoia
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Transfers from loans held-for-sale to loans held-for-investment	3,035,100	270,506
Residential loans, held-for-investment | Redwood
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Transfers from loans held-for-sale to loans held-for-investment	0	13,258
Transfers from loans held-for-investment to loans held-for-sale	0	1,870,986
Gain (loss) on assets measured at fair value on a non-recurring basis	$ 0	$ (93,314)

Residential Loans - Geographic

Residential Loans - Geographic Concentration of Residential Loans Recorded on Consolidated Balance Sheet (Details) - Residential loans, held-for-investment - Geographic Concentration Risk - Loan Benchmark	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Concentration Risk [Line Items]
Concentration risk percentage	100.00%	100.00%
California
Concentration Risk [Line Items]
Concentration risk percentage	29.00%	43.00%
Texas
Concentration Risk [Line Items]
Concentration risk percentage	11.00%	10.00%
Washington
Concentration Risk [Line Items]
Concentration risk percentage	8.00%	7.00%
Colorado
Concentration Risk [Line Items]
Concentration risk percentage	7.00%	5.00%
Florida
Concentration Risk [Line Items]
Concentration risk percentage	6.00%	3.00%
Arizona
Concentration Risk [Line Items]
Concentration risk percentage	5.00%
New York
Concentration Risk [Line Items]
Concentration risk percentage	2.00%	1.00%
New Jersey
Concentration Risk [Line Items]
Concentration risk percentage	1.00%	1.00%
Illinois
Concentration Risk [Line Items]
Concentration risk percentage	2.00%	3.00%
MARYLAND
Concentration Risk [Line Items]
Concentration risk percentage	1.00%	2.00%
Ohio
Concentration Risk [Line Items]
Concentration risk percentage	0.00%	0.00%
Other states (none greater than 5%)
Concentration Risk [Line Items]
Concentration risk percentage	28.00%	25.00%
Legacy Sequoia
Concentration Risk [Line Items]
Concentration risk percentage	100.00%	100.00%
Legacy Sequoia | California
Concentration Risk [Line Items]
Concentration risk percentage	18.00%	17.00%
Legacy Sequoia | Texas
Concentration Risk [Line Items]
Concentration risk percentage	5.00%	5.00%
Legacy Sequoia | Washington
Concentration Risk [Line Items]
Concentration risk percentage	1.00%	1.00%
Legacy Sequoia | Colorado
Concentration Risk [Line Items]
Concentration risk percentage	2.00%	3.00%
Legacy Sequoia | Florida
Concentration Risk [Line Items]
Concentration risk percentage	14.00%	14.00%
Legacy Sequoia | Arizona
Concentration Risk [Line Items]
Concentration risk percentage	1.00%
Legacy Sequoia | New York
Concentration Risk [Line Items]
Concentration risk percentage	11.00%	10.00%
Legacy Sequoia | New Jersey
Concentration Risk [Line Items]
Concentration risk percentage	5.00%	5.00%
Legacy Sequoia | Illinois
Concentration Risk [Line Items]
Concentration risk percentage	3.00%	3.00%
Legacy Sequoia | MARYLAND
Concentration Risk [Line Items]
Concentration risk percentage	2.00%	2.00%
Legacy Sequoia | Ohio
Concentration Risk [Line Items]
Concentration risk percentage	5.00%	5.00%
Legacy Sequoia | Other states (none greater than 5%)
Concentration Risk [Line Items]
Concentration risk percentage	33.00%	35.00%
Sequoia
Concentration Risk [Line Items]
Concentration risk percentage	100.00%	100.00%
Sequoia | California
Concentration Risk [Line Items]
Concentration risk percentage	35.00%	34.00%
Sequoia | Texas
Concentration Risk [Line Items]
Concentration risk percentage	12.00%	10.00%
Sequoia | Washington
Concentration Risk [Line Items]
Concentration risk percentage	5.00%	5.00%
Sequoia | Colorado
Concentration Risk [Line Items]
Concentration risk percentage	6.00%	3.00%
Sequoia | Florida
Concentration Risk [Line Items]
Concentration risk percentage	4.00%	6.00%
Sequoia | Arizona
Concentration Risk [Line Items]
Concentration risk percentage	3.00%
Sequoia | New York
Concentration Risk [Line Items]
Concentration risk percentage	2.00%	5.00%
Sequoia | New Jersey
Concentration Risk [Line Items]
Concentration risk percentage	1.00%	2.00%
Sequoia | Illinois
Concentration Risk [Line Items]
Concentration risk percentage	4.00%	2.00%
Sequoia | MARYLAND
Concentration Risk [Line Items]
Concentration risk percentage	2.00%	1.00%
Sequoia | Ohio
Concentration Risk [Line Items]
Concentration risk percentage	0.00%	0.00%
Sequoia | Other states (none greater than 5%)
Concentration Risk [Line Items]
Concentration risk percentage	26.00%	32.00%
Freddie Mac SLST(1)
Concentration Risk [Line Items]
Concentration risk percentage	100.00%	100.00%
Freddie Mac SLST(1) | California
Concentration Risk [Line Items]
Concentration risk percentage	14.00%	14.00%
Freddie Mac SLST(1) | Texas
Concentration Risk [Line Items]
Concentration risk percentage	3.00%	3.00%
Freddie Mac SLST(1) | Washington
Concentration Risk [Line Items]
Concentration risk percentage	2.00%	2.00%
Freddie Mac SLST(1) | Colorado
Concentration Risk [Line Items]
Concentration risk percentage	1.00%	1.00%
Freddie Mac SLST(1) | Florida
Concentration Risk [Line Items]
Concentration risk percentage	10.00%	10.00%
Freddie Mac SLST(1) | Arizona
Concentration Risk [Line Items]
Concentration risk percentage	2.00%
Freddie Mac SLST(1) | New York
Concentration Risk [Line Items]
Concentration risk percentage	10.00%	10.00%
Freddie Mac SLST(1) | New Jersey
Concentration Risk [Line Items]
Concentration risk percentage	7.00%	7.00%
Freddie Mac SLST(1) | Illinois
Concentration Risk [Line Items]
Concentration risk percentage	5.00%	5.00%
Freddie Mac SLST(1) | MARYLAND
Concentration Risk [Line Items]
Concentration risk percentage	5.00%	5.00%
Freddie Mac SLST(1) | Ohio
Concentration Risk [Line Items]
Concentration risk percentage	2.00%	2.00%
Freddie Mac SLST(1) | Other states (none greater than 5%)
Concentration Risk [Line Items]
Concentration risk percentage	39.00%	41.00%

Residential Loans - Loan Produc

Residential Loans - Loan Product Type and Accompanying Loan Characteristics of Residential Loans (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2021USD ($)loan	Dec. 31, 2021USD ($)	Dec. 31, 2021USD ($)tranche	Dec. 31, 2020USD ($)loan
Residential loans, held-for-sale, at fair value
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Number of Loans			2,196	198
Total Principal	$ 1,813,865	$ 1,813,865	$ 1,813,865	$ 172,748
30-89 Days DQ	0	0	0	3,362
90+ Days DQ	$ 2,923	2,923	$ 2,923	$ 1,882
Residential loans, held-for-sale, at fair value | Hybrid ARM loans
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Number of Loans	57		57	2
Total Principal	$ 51,393	51,393	$ 51,393	$ 1,019
30-89 Days DQ	0	0	0	970
90+ Days DQ	0	$ 0	0	0
Residential loans, held-for-sale, at fair value | Hybrid ARM loans | Minimum
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Interest Rate		1.88%
Residential loans, held-for-sale, at fair value | Hybrid ARM loans | Maximum
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Interest Rate		4.00%
Residential loans, held-for-sale, at fair value | Hybrid ARM loans | $0 to $250
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Loan Balance, minimum	0	$ 0	0	0
Loan Balance, maximum	$ 250	250	250	$ 250
Number of Loans | loan	1			1
Total Principal	$ 45	45	45	$ 49
30-89 Days DQ	0	0	0	0
90+ Days DQ	0	$ 0	0	$ 0
Residential loans, held-for-sale, at fair value | Hybrid ARM loans | $0 to $250 | Minimum
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Interest Rate		1.88%		2.00%
Residential loans, held-for-sale, at fair value | Hybrid ARM loans | $0 to $250 | Maximum
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Interest Rate		1.88%		2.00%
Residential loans, held-for-sale, at fair value | Hybrid ARM loans | $251 to $500
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Loan Balance, minimum	251	$ 251	251
Loan Balance, maximum	$ 500	500	500
Number of Loans | loan	4
Total Principal	$ 1,880	1,880	1,880
30-89 Days DQ	0	0	0
90+ Days DQ	0	$ 0	0
Residential loans, held-for-sale, at fair value | Hybrid ARM loans | $251 to $500 | Minimum
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Interest Rate		3.25%
Residential loans, held-for-sale, at fair value | Hybrid ARM loans | $251 to $500 | Maximum
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Interest Rate		3.50%
Residential loans, held-for-sale, at fair value | Hybrid ARM loans | $501 to $750
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Loan Balance, minimum	501	$ 501	501
Loan Balance, maximum	$ 750	750	750
Number of Loans | loan	18
Total Principal	$ 11,872	11,872	11,872
30-89 Days DQ	0	0	0
90+ Days DQ	0	$ 0	0
Residential loans, held-for-sale, at fair value | Hybrid ARM loans | $501 to $750 | Minimum
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Interest Rate		2.38%
Residential loans, held-for-sale, at fair value | Hybrid ARM loans | $501 to $750 | Maximum
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Interest Rate		3.63%
Residential loans, held-for-sale, at fair value | Hybrid ARM loans | $751 to $1,000
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Loan Balance, minimum	751	$ 751	751	$ 751
Loan Balance, maximum	$ 1,000	1,000	1,000	$ 1,000
Number of Loans | loan	14			1
Total Principal	$ 12,288	12,288	12,288	$ 970
30-89 Days DQ	0	0	0	970
90+ Days DQ	0	$ 0	0	$ 0
Residential loans, held-for-sale, at fair value | Hybrid ARM loans | $751 to $1,000 | Minimum
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Interest Rate		2.50%		4.38%
Residential loans, held-for-sale, at fair value | Hybrid ARM loans | $751 to $1,000 | Maximum
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Interest Rate		4.00%		4.38%
Residential loans, held-for-sale, at fair value | Hybrid ARM loans | Over $1,000
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Loan Balance, maximum	$ 1,000	$ 1,000	1,000
Number of Loans | loan	20
Total Principal	$ 25,308	25,308	25,308
30-89 Days DQ	0	0	0
90+ Days DQ	$ 0	$ 0	$ 0
Residential loans, held-for-sale, at fair value | Hybrid ARM loans | Over $1,000 | Minimum
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Interest Rate		2.38%
Residential loans, held-for-sale, at fair value | Hybrid ARM loans | Over $1,000 | Maximum
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Interest Rate		3.88%
Residential loans, held-for-sale, at fair value | Fixed loans
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Number of Loans	2,139		2,139	196
Total Principal	$ 1,762,472	$ 1,762,472	$ 1,762,472	$ 171,729
30-89 Days DQ	0	0	0	2,392
90+ Days DQ	2,923	$ 2,923	2,923	1,882
Residential loans, held-for-sale, at fair value | Fixed loans | Minimum
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Interest Rate		2.50%
Residential loans, held-for-sale, at fair value | Fixed loans | Maximum
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Interest Rate		5.88%
Residential loans, held-for-sale, at fair value | Fixed loans | $0 to $250
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Loan Balance, minimum	0	$ 0	0	0
Loan Balance, maximum	$ 250	250	250	$ 250
Number of Loans | loan	63			1
Total Principal	$ 11,118	11,118	11,118	$ 219
30-89 Days DQ	0	0	0	219
90+ Days DQ	0	$ 0	0	$ 0
Residential loans, held-for-sale, at fair value | Fixed loans | $0 to $250 | Minimum
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Interest Rate		3.13%		4.69%
Residential loans, held-for-sale, at fair value | Fixed loans | $0 to $250 | Maximum
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Interest Rate		5.00%		4.69%
Residential loans, held-for-sale, at fair value | Fixed loans | $251 to $500
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Loan Balance, minimum	251	$ 251	251	$ 251
Loan Balance, maximum	$ 500	500	500	$ 500
Number of Loans | loan	133			0
Total Principal	$ 51,737	51,737	51,737	$ 0
30-89 Days DQ	0	0	0	0
90+ Days DQ	0	$ 0	0	$ 0
Residential loans, held-for-sale, at fair value | Fixed loans | $251 to $500 | Minimum
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Interest Rate		2.75%		0.00%
Residential loans, held-for-sale, at fair value | Fixed loans | $251 to $500 | Maximum
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Interest Rate		5.50%		0.00%
Residential loans, held-for-sale, at fair value | Fixed loans | $501 to $750
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Loan Balance, minimum	501	$ 501	501	$ 501
Loan Balance, maximum	$ 750	750	750	$ 750
Number of Loans | loan	790			75
Total Principal	$ 514,785	514,785	514,785	$ 48,933
30-89 Days DQ	0	0	0	1,127
90+ Days DQ	1,093	$ 1,093	1,093	$ 0
Residential loans, held-for-sale, at fair value | Fixed loans | $501 to $750 | Minimum
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Interest Rate		2.50%		2.50%
Residential loans, held-for-sale, at fair value | Fixed loans | $501 to $750 | Maximum
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Interest Rate		5.88%		5.50%
Residential loans, held-for-sale, at fair value | Fixed loans | $751 to $1,000
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Loan Balance, minimum	751	$ 751	751	$ 751
Loan Balance, maximum	$ 1,000	1,000	1,000	$ 1,000
Number of Loans | loan	735			80
Total Principal	$ 642,372	642,372	642,372	$ 71,137
30-89 Days DQ	0	0	0	0
90+ Days DQ	0	$ 0	0	$ 0
Residential loans, held-for-sale, at fair value | Fixed loans | $751 to $1,000 | Minimum
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Interest Rate		2.63%		2.38%
Residential loans, held-for-sale, at fair value | Fixed loans | $751 to $1,000 | Maximum
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Interest Rate		5.63%		4.63%
Residential loans, held-for-sale, at fair value | Fixed loans | Over $1,000
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Loan Balance, maximum	$ 1,000	$ 1,000	1,000	$ 1,000
Number of Loans | loan	418			40
Total Principal	$ 542,460	542,460	542,460	$ 51,440
30-89 Days DQ	0	0	0	1,046
90+ Days DQ	1,830	$ 1,830	1,830	$ 1,882
Residential loans, held-for-sale, at fair value | Fixed loans | Over $1,000 | Minimum
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Interest Rate		2.50%		2.38%
Residential loans, held-for-sale, at fair value | Fixed loans | Over $1,000 | Maximum
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Interest Rate		4.75%		5.00%
Residential loans, held-for-investment
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
90+ Days DQ	$ 235,567	$ 235,567	235,567
Legacy Sequoia | Residential loans, held-for-investment
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Number of Loans | loan	1,583			1,908
Total Principal	$ 264,056	264,056	264,056	$ 333,474
30-89 Days DQ	9,561	9,561	9,561	7,240
90+ Days DQ	$ 7,482	7,482	7,482	$ 17,285
Legacy Sequoia | Residential loans, held-for-investment | Hybrid ARM loans
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Number of Loans | loan	9			9
Total Principal	$ 3,649	3,649	3,649	$ 3,964
30-89 Days DQ	0	0	0	410
90+ Days DQ	0	$ 0	0	0
Legacy Sequoia | Residential loans, held-for-investment | Hybrid ARM loans | Minimum
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Interest Rate		2.50%
Legacy Sequoia | Residential loans, held-for-investment | Hybrid ARM loans | Maximum
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Interest Rate		2.63%
Legacy Sequoia | Residential loans, held-for-investment | Hybrid ARM loans | $0 to $250
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Loan Balance, minimum	0	$ 0	0	0
Loan Balance, maximum	$ 250	250	250	$ 250
Number of Loans | loan	3			2
Total Principal	$ 650	650	650	$ 439
30-89 Days DQ	0	0	0	0
90+ Days DQ	0	$ 0	0	$ 0
Legacy Sequoia | Residential loans, held-for-investment | Hybrid ARM loans | $0 to $250 | Minimum
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Interest Rate		2.63%		2.63%
Legacy Sequoia | Residential loans, held-for-investment | Hybrid ARM loans | $0 to $250 | Maximum
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Interest Rate		2.63%		2.63%
Legacy Sequoia | Residential loans, held-for-investment | Hybrid ARM loans | $251 to $500
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Loan Balance, minimum	251	$ 251	251	$ 251
Loan Balance, maximum	$ 500	500	500	$ 500
Number of Loans | loan	4			5
Total Principal	$ 1,341	1,341	1,341	$ 1,748
30-89 Days DQ	0	0	0	410
90+ Days DQ	0	$ 0	0	$ 0
Legacy Sequoia | Residential loans, held-for-investment | Hybrid ARM loans | $251 to $500 | Minimum
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Interest Rate		2.50%		2.63%
Legacy Sequoia | Residential loans, held-for-investment | Hybrid ARM loans | $251 to $500 | Maximum
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Interest Rate		2.63%		4.00%
Legacy Sequoia | Residential loans, held-for-investment | Hybrid ARM loans | $501 to $750
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Loan Balance, minimum	501	$ 501	501	$ 501
Loan Balance, maximum	$ 750	750	750	$ 750
Number of Loans | loan	1			1
Total Principal	$ 518	518	518	$ 556
30-89 Days DQ	0	0	0	0
90+ Days DQ	0	$ 0	0	$ 0
Legacy Sequoia | Residential loans, held-for-investment | Hybrid ARM loans | $501 to $750 | Minimum
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Interest Rate		2.50%		2.75%
Legacy Sequoia | Residential loans, held-for-investment | Hybrid ARM loans | $501 to $750 | Maximum
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Interest Rate		2.50%		2.75%
Legacy Sequoia | Residential loans, held-for-investment | Hybrid ARM loans | Over $1,000
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Loan Balance, minimum
Loan Balance, maximum	$ 1,000	1,000	1,000	$ 1,000
Number of Loans | loan	1			1
Total Principal	$ 1,140	1,140	1,140	$ 1,221
30-89 Days DQ	0	0	0	0
90+ Days DQ	$ 0	$ 0	0	$ 0
Legacy Sequoia | Residential loans, held-for-investment | Hybrid ARM loans | Over $1,000 | Minimum
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Interest Rate		2.63%		2.63%
Legacy Sequoia | Residential loans, held-for-investment | Hybrid ARM loans | Over $1,000 | Maximum
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Interest Rate		2.63%		2.63%
Legacy Sequoia | Residential loans, held-for-investment | ARM loans
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Number of Loans | loan	1,574			1,899
Total Principal	$ 260,407	$ 260,407	260,407	$ 329,510
30-89 Days DQ	9,561	9,561	9,561	6,830
90+ Days DQ	7,482	$ 7,482	7,482	17,285
Legacy Sequoia | Residential loans, held-for-investment | ARM loans | Minimum
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Interest Rate		0.25%
Legacy Sequoia | Residential loans, held-for-investment | ARM loans | Maximum
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Interest Rate		5.63%
Legacy Sequoia | Residential loans, held-for-investment | ARM loans | $0 to $250
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Loan Balance, minimum	0	$ 0	0	0
Loan Balance, maximum	$ 250	250	250	$ 250
Number of Loans | loan	1,273			1,524
Total Principal	$ 115,437	115,437	115,437	$ 146,100
30-89 Days DQ	3,189	3,189	3,189	4,208
90+ Days DQ	2,691	$ 2,691	2,691	$ 3,966
Legacy Sequoia | Residential loans, held-for-investment | ARM loans | $0 to $250 | Minimum
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Interest Rate		0.38%		0.25%
Legacy Sequoia | Residential loans, held-for-investment | ARM loans | $0 to $250 | Maximum
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Interest Rate		5.63%		5.63%
Legacy Sequoia | Residential loans, held-for-investment | ARM loans | $251 to $500
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Loan Balance, minimum	251	$ 251	251	$ 251
Loan Balance, maximum	$ 500	500	500	$ 500
Number of Loans | loan	206			251
Total Principal	$ 71,306	71,306	71,306	$ 86,676
30-89 Days DQ	2,831	2,831	2,831	1,908
90+ Days DQ	2,124	$ 2,124	2,124	$ 4,392
Legacy Sequoia | Residential loans, held-for-investment | ARM loans | $251 to $500 | Minimum
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Interest Rate		0.75%		0.50%
Legacy Sequoia | Residential loans, held-for-investment | ARM loans | $251 to $500 | Maximum
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Interest Rate		3.88%		4.13%
Legacy Sequoia | Residential loans, held-for-investment | ARM loans | $501 to $750
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Loan Balance, minimum	501	$ 501	501	$ 501
Loan Balance, maximum	$ 750	750	750	$ 750
Number of Loans | loan	68			79
Total Principal	$ 42,128	42,128	42,128	$ 48,437
30-89 Days DQ	555	555	555	714
90+ Days DQ	1,842	$ 1,842	1,842	$ 1,192
Legacy Sequoia | Residential loans, held-for-investment | ARM loans | $501 to $750 | Minimum
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Interest Rate		0.25%		0.25%
Legacy Sequoia | Residential loans, held-for-investment | ARM loans | $501 to $750 | Maximum
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Interest Rate		4.13%		4.13%
Legacy Sequoia | Residential loans, held-for-investment | ARM loans | $751 to $1,000
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Loan Balance, minimum	751	$ 751	751	$ 751
Loan Balance, maximum	$ 1,000	1,000	1,000	$ 1,000
Number of Loans | loan	15			27
Total Principal	$ 12,868	12,868	12,868	$ 21,875
30-89 Days DQ	1,811	1,811	1,811	0
90+ Days DQ	825	$ 825	825	$ 3,175
Legacy Sequoia | Residential loans, held-for-investment | ARM loans | $751 to $1,000 | Minimum
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Interest Rate		0.75%		0.75%
Legacy Sequoia | Residential loans, held-for-investment | ARM loans | $751 to $1,000 | Maximum
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Interest Rate		3.75%		3.75%
Legacy Sequoia | Residential loans, held-for-investment | ARM loans | Over $1,000
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Loan Balance, minimum
Loan Balance, maximum	$ 1,000	1,000	1,000	$ 1,000
Number of Loans | loan	12			18
Total Principal	$ 18,668	18,668	18,668	$ 26,422
30-89 Days DQ	1,175	1,175	1,175	0
90+ Days DQ	$ 0	$ 0	0	$ 4,560
Legacy Sequoia | Residential loans, held-for-investment | ARM loans | Over $1,000 | Minimum
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Interest Rate		0.88%		1.00%
Legacy Sequoia | Residential loans, held-for-investment | ARM loans | Over $1,000 | Maximum
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Interest Rate		2.00%		2.38%
Sequoia | Residential loans, held-for-investment
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Number of Loans | loan	4,300			2,177
Total Principal	$ 3,605,471	$ 3,605,471	3,605,471	$ 1,550,454
30-89 Days DQ	31,460	31,460	31,460	37,374
90+ Days DQ	$ 15,124	15,124	15,124	$ 74,742
Sequoia | Residential loans, held-for-investment | Hybrid ARM loans
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Number of Loans | loan	28			54
Total Principal	$ 22,665	22,665	22,665	$ 43,644
30-89 Days DQ	191	191	191	2,082
90+ Days DQ	0	$ 0	0	2,415
Sequoia | Residential loans, held-for-investment | Hybrid ARM loans | Minimum
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Interest Rate		3.13%
Sequoia | Residential loans, held-for-investment | Hybrid ARM loans | Maximum
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Interest Rate		6.75%
Sequoia | Residential loans, held-for-investment | Hybrid ARM loans | $0 to $250
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Loan Balance, minimum	0	$ 0	0	0
Loan Balance, maximum	$ 250	250	250	$ 250
Number of Loans | loan	2			3
Total Principal	$ 397	397	397	$ 607
30-89 Days DQ	191	191	191	0
90+ Days DQ	0	$ 0	0	$ 0
Sequoia | Residential loans, held-for-investment | Hybrid ARM loans | $0 to $250 | Minimum
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Interest Rate		5.50%		5.50%
Sequoia | Residential loans, held-for-investment | Hybrid ARM loans | $0 to $250 | Maximum
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Interest Rate		6.75%		6.75%
Sequoia | Residential loans, held-for-investment | Hybrid ARM loans | $251 to $500
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Loan Balance, minimum	251	$ 251	251	$ 251
Loan Balance, maximum	$ 500	500	500	$ 500
Number of Loans | loan	3			5
Total Principal	$ 1,354	1,354	1,354	$ 2,196
30-89 Days DQ	0	0	0	440
90+ Days DQ	0	$ 0	0	$ 0
Sequoia | Residential loans, held-for-investment | Hybrid ARM loans | $251 to $500 | Minimum
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Interest Rate		3.25%		3.50%
Sequoia | Residential loans, held-for-investment | Hybrid ARM loans | $251 to $500 | Maximum
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Interest Rate		3.63%		3.63%
Sequoia | Residential loans, held-for-investment | Hybrid ARM loans | $501 to $750
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Loan Balance, minimum	501	$ 501	501	$ 501
Loan Balance, maximum	$ 750	750	750	$ 750
Number of Loans | loan	8			19
Total Principal	$ 5,321	5,321	5,321	$ 12,214
30-89 Days DQ	0	0	0	682
90+ Days DQ	0	$ 0	0	$ 671
Sequoia | Residential loans, held-for-investment | Hybrid ARM loans | $501 to $750 | Minimum
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Interest Rate		3.38%		3.25%
Sequoia | Residential loans, held-for-investment | Hybrid ARM loans | $501 to $750 | Maximum
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Interest Rate		4.50%		4.75%
Sequoia | Residential loans, held-for-investment | Hybrid ARM loans | $751 to $1,000
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Loan Balance, minimum	751	$ 751	751	$ 751
Loan Balance, maximum	$ 1,000	1,000	1,000	$ 1,000
Number of Loans | loan	8			15
Total Principal	$ 6,659	6,659	6,659	$ 12,911
30-89 Days DQ	0	0	0	960
90+ Days DQ	0	$ 0	0	$ 1,744
Sequoia | Residential loans, held-for-investment | Hybrid ARM loans | $751 to $1,000 | Minimum
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Interest Rate		3.13%		3.13%
Sequoia | Residential loans, held-for-investment | Hybrid ARM loans | $751 to $1,000 | Maximum
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Interest Rate		5.00%		5.00%
Sequoia | Residential loans, held-for-investment | Hybrid ARM loans | Over $1,000
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Loan Balance, maximum	$ 1,000	$ 1,000	1,000	$ 1,000
Number of Loans | loan	7			12
Total Principal	$ 8,934	8,934	8,934	$ 15,716
30-89 Days DQ	0	0	0	0
90+ Days DQ	$ 0	$ 0	0	$ 0
Sequoia | Residential loans, held-for-investment | Hybrid ARM loans | Over $1,000 | Minimum
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Interest Rate		3.50%		3.50%
Sequoia | Residential loans, held-for-investment | Hybrid ARM loans | Over $1,000 | Maximum
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Interest Rate		5.00%		5.00%
Sequoia | Residential loans, held-for-investment | Fixed loans
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Number of Loans | loan	4,272			2,123
Total Principal	$ 3,582,806	$ 3,582,806	3,582,806	$ 1,506,810
30-89 Days DQ	31,269	31,269	31,269	35,292
90+ Days DQ	15,124	$ 15,124	15,124	72,327
Sequoia | Residential loans, held-for-investment | Fixed loans | Minimum
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Interest Rate		1.88%
Sequoia | Residential loans, held-for-investment | Fixed loans | Maximum
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Interest Rate		6.75%
Sequoia | Residential loans, held-for-investment | Fixed loans | $0 to $250
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Loan Balance, minimum	0	$ 0	0	0
Loan Balance, maximum	$ 250	250	250	$ 250
Number of Loans | loan	43			48
Total Principal	$ 8,630	8,630	8,630	$ 9,508
30-89 Days DQ	0	0	0	0
90+ Days DQ	0	$ 0	0	$ 191
Sequoia | Residential loans, held-for-investment | Fixed loans | $0 to $250 | Minimum
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Interest Rate		2.75%		2.75%
Sequoia | Residential loans, held-for-investment | Fixed loans | $0 to $250 | Maximum
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Interest Rate		5.13%		5.50%
Sequoia | Residential loans, held-for-investment | Fixed loans | $251 to $500
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Loan Balance, minimum	251	$ 251	251	$ 251
Loan Balance, maximum	$ 500	500	500	$ 500
Number of Loans | loan	162			285
Total Principal	$ 69,442	69,442	69,442	$ 122,327
30-89 Days DQ	2,390	2,390	2,390	4,728
90+ Days DQ	462	$ 462	462	$ 2,225
Sequoia | Residential loans, held-for-investment | Fixed loans | $251 to $500 | Minimum
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Interest Rate		2.50%		3.13%
Sequoia | Residential loans, held-for-investment | Fixed loans | $251 to $500 | Maximum
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Interest Rate		6.13%		6.13%
Sequoia | Residential loans, held-for-investment | Fixed loans | $501 to $750
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Loan Balance, minimum	501	$ 501	501	$ 501
Loan Balance, maximum	$ 750	750	750	$ 750
Number of Loans | loan	1,691			1,004
Total Principal	$ 1,093,766	1,093,766	1,093,766	$ 617,488
30-89 Days DQ	10,894	10,894	10,894	15,214
90+ Days DQ	3,498	$ 3,498	3,498	$ 24,842
Sequoia | Residential loans, held-for-investment | Fixed loans | $501 to $750 | Minimum
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Interest Rate		2.13%		3.00%
Sequoia | Residential loans, held-for-investment | Fixed loans | $501 to $750 | Maximum
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Interest Rate		6.75%		6.75%
Sequoia | Residential loans, held-for-investment | Fixed loans | $751 to $1,000
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Loan Balance, minimum	751	$ 751	751	$ 751
Loan Balance, maximum	$ 1,000	1,000	1,000	$ 1,000
Number of Loans | loan	1,497			556
Total Principal	$ 1,311,640	1,311,640	1,311,640	$ 478,938
30-89 Days DQ	9,477	9,477	9,477	10,482
90+ Days DQ	4,931	$ 4,931	4,931	$ 21,155
Sequoia | Residential loans, held-for-investment | Fixed loans | $751 to $1,000 | Minimum
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Interest Rate		2.13%		3.25%
Sequoia | Residential loans, held-for-investment | Fixed loans | $751 to $1,000 | Maximum
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Interest Rate		6.25%		6.50%
Sequoia | Residential loans, held-for-investment | Fixed loans | Over $1,000
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Loan Balance, maximum	$ 1,000	$ 1,000	1,000	$ 1,000
Number of Loans | loan	879			230
Total Principal	$ 1,099,328	1,099,328	1,099,328	$ 278,549
30-89 Days DQ	8,508	8,508	8,508	4,868
90+ Days DQ	$ 6,233	$ 6,233	6,233	$ 23,914
Sequoia | Residential loans, held-for-investment | Fixed loans | Over $1,000 | Minimum
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Interest Rate		1.88%		3.15%
Sequoia | Residential loans, held-for-investment | Fixed loans | Over $1,000 | Maximum
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Interest Rate		5.88%		5.88%
Freddie Mac SLST(1) | Residential loans, held-for-sale, at fair value | Fixed loans | Over $1,000
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Loan Balance, maximum				$ 1,000
Number of Loans | loan				1
Total Principal				$ 1,012
30-89 Days DQ				1,012
90+ Days DQ				$ 0
Freddie Mac SLST(1) | Residential loans, held-for-sale, at fair value | Fixed loans | Over $1,000 | Minimum
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Interest Rate				4.00%
Freddie Mac SLST(1) | Residential loans, held-for-sale, at fair value | Fixed loans | Over $1,000 | Maximum
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Interest Rate				4.00%
Freddie Mac SLST(1) | Residential loans, held-for-investment | Fixed loans
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Number of Loans | loan	11,986			13,605
Total Principal	$ 1,932,241	$ 1,932,241	1,932,241	$ 2,247,771
30-89 Days DQ	341,046	341,046	341,046	434,815
90+ Days DQ	212,961	$ 212,961	212,961	$ 389,245
Freddie Mac SLST(1) | Residential loans, held-for-investment | Fixed loans | Minimum
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Interest Rate		2.00%
Freddie Mac SLST(1) | Residential loans, held-for-investment | Fixed loans | Maximum
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Interest Rate		11.00%
Freddie Mac SLST(1) | Residential loans, held-for-investment | Fixed loans | $0 to $250
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Loan Balance, minimum	0	$ 0	0
Loan Balance, maximum	$ 250	250	250
Number of Loans | loan	9,798			11,007
Total Principal	$ 1,224,173	1,224,173	1,224,173	$ 1,407,107
30-89 Days DQ	222,541	222,541	222,541	283,745
90+ Days DQ	114,622	$ 114,622	114,622	$ 206,724
Freddie Mac SLST(1) | Residential loans, held-for-investment | Fixed loans | $0 to $250 | Minimum
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Interest Rate		2.00%		2.00%
Freddie Mac SLST(1) | Residential loans, held-for-investment | Fixed loans | $0 to $250 | Maximum
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Interest Rate		11.00%		11.00%
Freddie Mac SLST(1) | Residential loans, held-for-investment | Fixed loans | $251 to $500
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Loan Balance, minimum	251	$ 251	251	$ 251
Loan Balance, maximum	$ 500	500	500	$ 500
Number of Loans | loan	2,141			2,545
Total Principal	$ 681,885	681,885	681,885	$ 811,191
30-89 Days DQ	114,360	114,360	114,360	143,195
90+ Days DQ	91,149	$ 91,149	91,149	$ 172,995
Freddie Mac SLST(1) | Residential loans, held-for-investment | Fixed loans | $251 to $500 | Minimum
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Interest Rate		2.00%		2.00%
Freddie Mac SLST(1) | Residential loans, held-for-investment | Fixed loans | $251 to $500 | Maximum
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Interest Rate		7.75%		7.75%
Freddie Mac SLST(1) | Residential loans, held-for-investment | Fixed loans | $501 to $750
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Loan Balance, minimum	501	$ 501	501	$ 501
Loan Balance, maximum	$ 750	750	750	$ 750
Number of Loans | loan	46			52
Total Principal	$ 25,165	25,165	25,165	$ 28,461
30-89 Days DQ	3,127	3,127	3,127	6,863
90+ Days DQ	7,190	$ 7,190	7,190	$ 9,526
Freddie Mac SLST(1) | Residential loans, held-for-investment | Fixed loans | $501 to $750 | Minimum
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Interest Rate		2.00%		2.00%
Freddie Mac SLST(1) | Residential loans, held-for-investment | Fixed loans | $501 to $750 | Maximum
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Interest Rate		5.88%		6.75%
Freddie Mac SLST(1) | Residential loans, held-for-investment | Fixed loans | Over $1,000
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Loan Balance, maximum	$ 1,000	$ 1,000	1,000
Number of Loans | loan	1
Total Principal	$ 1,018	1,018	1,018
30-89 Days DQ	1,018	1,018	1,018
90+ Days DQ	$ 0	$ 0	$ 0
Freddie Mac SLST(1) | Residential loans, held-for-investment | Fixed loans | Over $1,000 | Minimum
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Interest Rate		4.00%
Freddie Mac SLST(1) | Residential loans, held-for-investment | Fixed loans | Over $1,000 | Maximum
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Interest Rate		4.00%

Business Purpose Loans - Classi

Business Purpose Loans - Classifications and Carrying Values of Business Purpose Residential Loans (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Residential Bridge, Held-for-sale at fair value
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, at fair value	$ 0	$ 0
Bridge loans held-for-investment
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, at fair value	666,364	641,765
Bridge loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, at fair value	666,364	641,765
Held-for-sale at fair value, Total
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, at fair value	358,309	245,394
Held-for-investment at fair value, Total
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, at fair value	4,432,680	3,890,959
Business Purpose Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, at fair value	4,790,989	4,136,353
Redwood | Single-family rental loans, held-for-sale
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, at fair value	358,309	245,394
Redwood | Single-family rental loans held-for-investment
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, at fair value	0	0
Redwood | Single-family rental loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, at fair value	358,309	245,394
CoreVest LLC | Single-family rental loans, held-for-sale
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, at fair value	0	0
CoreVest LLC | Single-family rental loans held-for-investment
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, at fair value	3,488,074	3,249,194
CoreVest LLC | Single-family rental loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, at fair value	3,488,074	3,249,194
CoreVest LLC | Bridge Loans, Held-For-Sale At Fair Value
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, at fair value	0	0
CoreVest LLC | Bridge Loans Held For Investment At Fair Value
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, at fair value	278,242	0
CoreVest LLC | Bridge Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, at fair value	$ 278,242	$ 0

Business Purpose Loans - Activi

Business Purpose Loans - Activity and Characteristics of Business Purpose Loans (Details) $ in Thousands	3 Months Ended	12 Months Ended
	Dec. 31, 2021USD ($)loan	Dec. 31, 2021USD ($)loan	Dec. 31, 2020USD ($)loan	Dec. 31, 2019USD ($)
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Purchases of held-for-sale loans		$ 13,188,434	$ 4,431,468	$ 5,823,547
Principal balance of loans sold to third parties		60,667	27,210	84,303
Transfers from loans held-for-sale to loans held-for-investment		5,026,723	1,868,656	1,801,560
Transfers from loans held-for-investment to loans held-for-sale		$ 92,400	64,520	22,808
Amount of investments with original maturities of of 30 years (as a percent)		2.00%
Transfers from residential loans to real estate owned		$ 40,038	14,229	$ 8,609
Transfers to REO		$ 40,038	14,119
LIBOR
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Variable rate (as a percent)		75.00%
Fixed Rate
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Variable rate (as a percent)		25.00%
CAFL(1)
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Transfers to REO		$ 21,129	$ 6,157
Commitment To Fund Residential Bridge Loan
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Other commitment	$ 625,000	$ 625,000
Single-family rental loans, held-for-sale
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Number of Loans | loan		245	65
Unpaid principal balance	348,232	$ 348,232	$ 234,475
Single-family rental loans, held-for-sale | Redwood
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Purchases of held-for-sale loans		1,254,913	979,696
Principal balance of loans acquired (1)		68,804	0
Principal balance of loans sold to third parties		193,963	110,836
Transfers from loans held-for-sale to loans held-for-investment		1,116,443	1,292,633
Transfers from loans held-for-investment to loans held-for-sale		92,455	0
Gain (loss) on investments		0	(20,806)
Loans, at fair value	358,309	358,309	245,394
Single-family rental loans, held-for-sale | Redwood | Business Purpose Mortgage Banking Activities
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Gain (loss) on investments		63,206	81,032
Bridge loans held-for-investment
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Purchases of held-for-sale loans		894,908	451,554
Principal balance of loans acquired (1)		65,315	0
Principal balance of loans sold to third parties		9,484	25,151
Gain (loss) on investments		1,483	$ (10,629)
Number of Loans | loan			1,725
Unpaid principal balance			$ 649,531
Loans, at fair value	666,364	666,364	641,765
Bridge loans held-for-investment | Business Purpose Mortgage Banking Activities
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Gain (loss) on investments		$ 7,187	(2,916)
Bridge loans held-for-investment | Redwood
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Transfers from loans held-for-sale to loans held-for-investment	358,884
Transfers from loans held-for-investment to loans held-for-sale	0
Bridge loans held-for-investment | CAFL(1)
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Number of Loans | loan		1,640
Unpaid principal balance	274,617	$ 274,617
Business Purpose Loans
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Fee income		34,000	19,000
Loans, at fair value	4,790,989	4,790,989	4,136,353
Single-family rental loans held-for-investment | Redwood
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Loans, at fair value	0	0	0
Single-family rental loans held-for-investment | CAFL(1)
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Gain (loss) on investments		$ (158,081)	$ 32,331
Number of Loans | loan		1,173	1,094
Unpaid principal balance	3,340,949	$ 3,340,949	$ 3,017,137
Loans, at fair value	$ 3,488,074	$ 3,488,074	$ 3,249,194
Weighted average coupon rate (as a percent)	5.17%	5.17%	5.44%
Contract maturities		6 years	5 years
Loans held as assets, 90 days or more past due	$ 12,648	$ 12,648	$ 24,745
Number of loans in foreclosure | loan	9	9	10
Single-family rental loans held-for-investment | CAFL(1) | Financing Receivables, Equal to Greater than 90 Days Past Due
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Number of loans past due | loan	18	18	22
Loans held as assets, 90 days or more past due	$ 41,998	$ 41,998	$ 61,440
Bridge Loans Held For Investment At Fair Value | CAFL(1)
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Gain (loss) on investments		$ (1,548)	$ 0
Single-Family Rental Loans, Held-For-Sale | Redwood
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Number of Loans | loan		245	65
Unpaid principal balance	348,232	$ 348,232	$ 234,475
Loans, at fair value	$ 358,309	$ 358,309	$ 245,394
Weighted average coupon rate (as a percent)	4.73%	4.73%	4.84%
Contract maturities		12 years	8 years
Loans held as assets, 90 days or more past due	$ 5,473	$ 5,473	$ 0
Number of loans in foreclosure | loan	7	7	0
Loans held as assets amount in foreclosure	$ 4,305	$ 4,305	$ 0
Single-Family Rental Loans, Held-For-Sale | Redwood | Loans Pledged As Collateral, Short Term Debt
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Gain (loss) on investments		75,873	34,098
Single-Family Rental Loans, Held-For-Sale | Redwood | Loans Pledged As Collateral, Long Term debt
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Gain (loss) on investments		244,703	154,774
Single-Family Rental Loans, Held-For-Sale | Redwood | Financing Receivables, Equal to Greater than 90 Days Past Due
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Loans, at fair value	$ 4,238	$ 4,238	$ 6,143
Number of loans past due | loan	6	6	10
Loans held as assets, 90 days or more past due	$ 5,384	$ 5,384	$ 7,127
Business Purpose Bridge Loans
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Number of Loans | loan		1,134	1,725
Unpaid principal balance	670,392	$ 670,392	$ 649,532
Loans, at fair value	$ 666,364	$ 666,364	$ 641,765
Weighted average coupon rate (as a percent)	6.91%	6.91%	8.09%
Contract maturities		1 year	1 year
Loans held as assets, 90 days or more past due	$ 18,043	$ 18,043	$ 38,552
Number of loans in foreclosure | loan	28	28	25
Loans held as assets amount in foreclosure	$ 14,257	$ 14,257	$ 33,066
Business Purpose Bridge Loans | Loans Pledged As Collateral, Short Term Debt
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Gain (loss) on investments		91,814	92,931
Business Purpose Bridge Loans | Loans Pledged As Collateral, Long Term debt
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Gain (loss) on investments		554,597	544,151
Business Purpose Bridge Loans | Financing Receivables, Equal to Greater than 90 Days Past Due
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Loans, at fair value	$ 14,218	$ 14,218	$ 33,605
Number of loans past due | loan	31	31	31
Loans held as assets, 90 days or more past due	$ 18,032	$ 18,032	$ 39,415
Business Purpose Bridge Loans | CAFL(1)
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Number of Loans | loan		1,640	0
Unpaid principal balance	274,617	$ 274,617	$ 0
Loans, at fair value	$ 278,242	$ 278,242	$ 0
Weighted average coupon rate (as a percent)	7.05%	7.05%	0.00%
Contract maturities		1 year
Loans held as assets, 90 days or more past due	$ 0	$ 0	$ 0
Number of loans in foreclosure | loan	0	0	0
Loans held as assets amount in foreclosure	$ 0	$ 0	$ 0
Business Purpose Bridge Loans | CAFL(1) | Financing Receivables, Equal to Greater than 90 Days Past Due
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Loans, at fair value	$ 0	$ 0	$ 0
Number of loans past due | loan	0	0	0
Loans held as assets, 90 days or more past due	$ 0	$ 0	$ 0
Bridge Loans | Minimum
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Original maturity (in months)		6 months
Bridge Loans | Maximum
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Original maturity (in months)		24 months

Business Purpose Loans - Geogra

Business Purpose Loans - Geographic Concentration of Business Purpose Loans (Details) - Geographic Concentration Risk - Loan Benchmark	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Bridge loans held-for-investment
Accounts, Notes, Loans and Financing Receivable [Line Items]
Concentration risk percentage	100.00%	100.00%
Bridge loans held-for-investment | Florida
Accounts, Notes, Loans and Financing Receivable [Line Items]
Concentration risk percentage	10.00%	11.00%
Bridge loans held-for-investment | Texas
Accounts, Notes, Loans and Financing Receivable [Line Items]
Concentration risk percentage	7.00%	4.00%
Bridge loans held-for-investment | Alabama
Accounts, Notes, Loans and Financing Receivable [Line Items]
Concentration risk percentage	9.00%	6.00%
Bridge loans held-for-investment | Connecticut
Accounts, Notes, Loans and Financing Receivable [Line Items]
Concentration risk percentage	4.00%	1.00%
Bridge loans held-for-investment | New Jersey
Accounts, Notes, Loans and Financing Receivable [Line Items]
Concentration risk percentage	9.00%	9.00%
Bridge loans held-for-investment | New York
Accounts, Notes, Loans and Financing Receivable [Line Items]
Concentration risk percentage	2.00%	8.00%
Bridge loans held-for-investment | Georgia
Accounts, Notes, Loans and Financing Receivable [Line Items]
Concentration risk percentage	20.00%	8.00%
Bridge loans held-for-investment | California
Accounts, Notes, Loans and Financing Receivable [Line Items]
Concentration risk percentage	3.00%	13.00%
Bridge loans held-for-investment | Illinois
Accounts, Notes, Loans and Financing Receivable [Line Items]
Concentration risk percentage	4.00%	7.00%
Bridge loans held-for-investment | Tennessee
Accounts, Notes, Loans and Financing Receivable [Line Items]
Concentration risk percentage	11.00%	6.00%
Bridge loans held-for-investment | Arizona
Accounts, Notes, Loans and Financing Receivable [Line Items]
Concentration risk percentage		1.00%
Bridge loans held-for-investment | Indiana
Accounts, Notes, Loans and Financing Receivable [Line Items]
Concentration risk percentage		5.00%
Bridge loans held-for-investment | Other states (none greater than 5%)
Accounts, Notes, Loans and Financing Receivable [Line Items]
Concentration risk percentage	21.00%	21.00%
Single-family rental loans, held-for-sale at fair value
Accounts, Notes, Loans and Financing Receivable [Line Items]
Concentration risk percentage	100.00%	0.00%
Single-family rental loans, held-for-sale at fair value | Florida
Accounts, Notes, Loans and Financing Receivable [Line Items]
Concentration risk percentage	17.00%	0.00%
Single-family rental loans, held-for-sale at fair value | Texas
Accounts, Notes, Loans and Financing Receivable [Line Items]
Concentration risk percentage	13.00%	0.00%
Single-family rental loans, held-for-sale at fair value | Alabama
Accounts, Notes, Loans and Financing Receivable [Line Items]
Concentration risk percentage	3.00%	0.00%
Single-family rental loans, held-for-sale at fair value | Connecticut
Accounts, Notes, Loans and Financing Receivable [Line Items]
Concentration risk percentage	3.00%	0.00%
Single-family rental loans, held-for-sale at fair value | New Jersey
Accounts, Notes, Loans and Financing Receivable [Line Items]
Concentration risk percentage	12.00%	0.00%
Single-family rental loans, held-for-sale at fair value | New York
Accounts, Notes, Loans and Financing Receivable [Line Items]
Concentration risk percentage	9.00%	0.00%
Single-family rental loans, held-for-sale at fair value | Georgia
Accounts, Notes, Loans and Financing Receivable [Line Items]
Concentration risk percentage	7.00%	0.00%
Single-family rental loans, held-for-sale at fair value | California
Accounts, Notes, Loans and Financing Receivable [Line Items]
Concentration risk percentage	5.00%	0.00%
Single-family rental loans, held-for-sale at fair value | Illinois
Accounts, Notes, Loans and Financing Receivable [Line Items]
Concentration risk percentage	4.00%	0.00%
Single-family rental loans, held-for-sale at fair value | Tennessee
Accounts, Notes, Loans and Financing Receivable [Line Items]
Concentration risk percentage	2.00%	0.00%
Single-family rental loans, held-for-sale at fair value | Arizona
Accounts, Notes, Loans and Financing Receivable [Line Items]
Concentration risk percentage		0.00%
Single-family rental loans, held-for-sale at fair value | Indiana
Accounts, Notes, Loans and Financing Receivable [Line Items]
Concentration risk percentage		0.00%
Single-family rental loans, held-for-sale at fair value | Other states (none greater than 5%)
Accounts, Notes, Loans and Financing Receivable [Line Items]
Concentration risk percentage	25.00%	0.00%
Redwood | Single-family rental loans held-for-investment
Accounts, Notes, Loans and Financing Receivable [Line Items]
Concentration risk percentage	100.00%	100.00%
Redwood | Single-family rental loans held-for-investment | Florida
Accounts, Notes, Loans and Financing Receivable [Line Items]
Concentration risk percentage	15.00%	10.00%
Redwood | Single-family rental loans held-for-investment | Texas
Accounts, Notes, Loans and Financing Receivable [Line Items]
Concentration risk percentage	11.00%	24.00%
Redwood | Single-family rental loans held-for-investment | Alabama
Accounts, Notes, Loans and Financing Receivable [Line Items]
Concentration risk percentage	11.00%	2.00%
Redwood | Single-family rental loans held-for-investment | Connecticut
Accounts, Notes, Loans and Financing Receivable [Line Items]
Concentration risk percentage	9.00%	8.00%
Redwood | Single-family rental loans held-for-investment | New Jersey
Accounts, Notes, Loans and Financing Receivable [Line Items]
Concentration risk percentage	7.00%	17.00%
Redwood | Single-family rental loans held-for-investment | New York
Accounts, Notes, Loans and Financing Receivable [Line Items]
Concentration risk percentage	2.00%	5.00%
Redwood | Single-family rental loans held-for-investment | Georgia
Accounts, Notes, Loans and Financing Receivable [Line Items]
Concentration risk percentage	5.00%	12.00%
Redwood | Single-family rental loans held-for-investment | California
Accounts, Notes, Loans and Financing Receivable [Line Items]
Concentration risk percentage	5.00%	5.00%
Redwood | Single-family rental loans held-for-investment | Illinois
Accounts, Notes, Loans and Financing Receivable [Line Items]
Concentration risk percentage	2.00%	5.00%
Redwood | Single-family rental loans held-for-investment | Tennessee
Accounts, Notes, Loans and Financing Receivable [Line Items]
Concentration risk percentage	0.00%	0.00%
Redwood | Single-family rental loans held-for-investment | Arizona
Accounts, Notes, Loans and Financing Receivable [Line Items]
Concentration risk percentage		5.00%
Redwood | Single-family rental loans held-for-investment | Indiana
Accounts, Notes, Loans and Financing Receivable [Line Items]
Concentration risk percentage		2.00%
Redwood | Single-family rental loans held-for-investment | Other states (none greater than 5%)
Accounts, Notes, Loans and Financing Receivable [Line Items]
Concentration risk percentage	33.00%	5.00%
CAFL(1) | Single-family rental loans held-for-investment
Accounts, Notes, Loans and Financing Receivable [Line Items]
Concentration risk percentage	100.00%	100.00%
CAFL(1) | Single-family rental loans held-for-investment | Florida
Accounts, Notes, Loans and Financing Receivable [Line Items]
Concentration risk percentage	7.00%	8.00%
CAFL(1) | Single-family rental loans held-for-investment | Texas
Accounts, Notes, Loans and Financing Receivable [Line Items]
Concentration risk percentage	15.00%	15.00%
CAFL(1) | Single-family rental loans held-for-investment | Alabama
Accounts, Notes, Loans and Financing Receivable [Line Items]
Concentration risk percentage	3.00%	3.00%
CAFL(1) | Single-family rental loans held-for-investment | Connecticut
Accounts, Notes, Loans and Financing Receivable [Line Items]
Concentration risk percentage	6.00%	4.00%
CAFL(1) | Single-family rental loans held-for-investment | New Jersey
Accounts, Notes, Loans and Financing Receivable [Line Items]
Concentration risk percentage	8.00%	11.00%
CAFL(1) | Single-family rental loans held-for-investment | New York
Accounts, Notes, Loans and Financing Receivable [Line Items]
Concentration risk percentage	2.00%	1.00%
CAFL(1) | Single-family rental loans held-for-investment | Georgia
Accounts, Notes, Loans and Financing Receivable [Line Items]
Concentration risk percentage	5.00%	5.00%
CAFL(1) | Single-family rental loans held-for-investment | California
Accounts, Notes, Loans and Financing Receivable [Line Items]
Concentration risk percentage	5.00%	5.00%
CAFL(1) | Single-family rental loans held-for-investment | Illinois
Accounts, Notes, Loans and Financing Receivable [Line Items]
Concentration risk percentage	5.00%	4.00%
CAFL(1) | Single-family rental loans held-for-investment | Tennessee
Accounts, Notes, Loans and Financing Receivable [Line Items]
Concentration risk percentage	3.00%	3.00%
CAFL(1) | Single-family rental loans held-for-investment | Arizona
Accounts, Notes, Loans and Financing Receivable [Line Items]
Concentration risk percentage		2.00%
CAFL(1) | Single-family rental loans held-for-investment | Indiana
Accounts, Notes, Loans and Financing Receivable [Line Items]
Concentration risk percentage		3.00%
CAFL(1) | Single-family rental loans held-for-investment | Other states (none greater than 5%)
Accounts, Notes, Loans and Financing Receivable [Line Items]
Concentration risk percentage	41.00%	36.00%

Business Purpose Loans - Produc

Business Purpose Loans - Product Types and Characteristics of Business Purpose Loans (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2021USD ($)loan	Dec. 31, 2020USD ($)loan
Single-family rental loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number of Loans | loan	245	65
Total Principal	$ 348,232	$ 234,475
30-89 Days DQ	89	0
90+ Days DQ	5,384	7,127
Single-family rental loans | $0 to $250
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loan Balance, minimum	0	0
Loan Balance, maximum	$ 250	$ 250
Number of Loans | loan	74	8
Total Principal	$ 11,515	$ 1,060
30-89 Days DQ	89	0
90+ Days DQ	$ 171	$ 635
Single-family rental loans | $0 to $250 | Minimum
Accounts, Notes, Loans and Financing Receivable [Line Items]
Interest Rate	3.75%	6.25%
Single-family rental loans | $0 to $250 | Maximum
Accounts, Notes, Loans and Financing Receivable [Line Items]
Interest Rate	7.75%	7.75%
Single-family rental loans | $251 to $500
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loan Balance, minimum	$ 251	$ 251
Loan Balance, maximum	$ 500	$ 500
Number of Loans | loan	57	1
Total Principal	$ 21,284	$ 483
30-89 Days DQ	0	0
90+ Days DQ	$ 0	$ 0
Single-family rental loans | $251 to $500 | Minimum
Accounts, Notes, Loans and Financing Receivable [Line Items]
Interest Rate	3.75%	5.97%
Single-family rental loans | $251 to $500 | Maximum
Accounts, Notes, Loans and Financing Receivable [Line Items]
Interest Rate	6.50%	5.97%
Single-family rental loans | $501 to $750
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loan Balance, minimum	$ 501	$ 501
Loan Balance, maximum	$ 750	$ 750
Number of Loans | loan	28	6
Total Principal	$ 16,773	$ 3,632
30-89 Days DQ	0	0
90+ Days DQ	$ 536	$ 0
Single-family rental loans | $501 to $750 | Minimum
Accounts, Notes, Loans and Financing Receivable [Line Items]
Interest Rate	3.75%	5.84%
Single-family rental loans | $501 to $750 | Maximum
Accounts, Notes, Loans and Financing Receivable [Line Items]
Interest Rate	6.70%	6.75%
Single-family rental loans | $751 to $1,000
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loan Balance, minimum	$ 751	$ 751
Loan Balance, maximum	$ 1,000	$ 1,000
Number of Loans | loan	12	10
Total Principal	$ 9,764	$ 8,936
30-89 Days DQ	0	0
90+ Days DQ	$ 0	$ 1,815
Single-family rental loans | $751 to $1,000 | Minimum
Accounts, Notes, Loans and Financing Receivable [Line Items]
Interest Rate	4.13%	5.15%
Single-family rental loans | $751 to $1,000 | Maximum
Accounts, Notes, Loans and Financing Receivable [Line Items]
Interest Rate	5.43%	6.39%
Single-family rental loans | Over $1,000
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loan Balance, maximum	$ 1,000	$ 1,000
Number of Loans | loan	74	40
Total Principal	$ 288,896	$ 220,364
30-89 Days DQ	0	0
90+ Days DQ	$ 4,677	$ 4,677
Single-family rental loans | Over $1,000 | Minimum
Accounts, Notes, Loans and Financing Receivable [Line Items]
Interest Rate	3.38%	3.82%
Single-family rental loans | Over $1,000 | Maximum
Accounts, Notes, Loans and Financing Receivable [Line Items]
Interest Rate	7.15%	5.95%
Bridge loans held-for-investment
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number of Loans | loan		1,725
Total Principal		$ 649,531
30-89 Days DQ		7,475
90+ Days DQ		$ 39,415
Bridge loans held-for-investment | Fixed loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number of Loans | loan		591
Total Principal		$ 307,185
30-89 Days DQ		7,475
90+ Days DQ		$ 39,415
Bridge loans held-for-investment | Floating Loan
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number of Loans | loan		1,134
Total Principal		$ 342,346
30-89 Days DQ		0
90+ Days DQ		0
Bridge loans held-for-investment | $0 to $250 | Fixed loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loan Balance, minimum		0
Loan Balance, maximum		$ 250
Number of Loans | loan		393
Total Principal		$ 44,225
30-89 Days DQ		6,530
90+ Days DQ		1,668
Bridge loans held-for-investment | $0 to $250 | Floating Loan
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loan Balance, minimum		0
Loan Balance, maximum		$ 250
Number of Loans | loan		1,047
Total Principal		$ 84,371
30-89 Days DQ		0
90+ Days DQ		$ 0
Bridge loans held-for-investment | $0 to $250 | Minimum | Fixed loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Interest Rate		6.99%
Bridge loans held-for-investment | $0 to $250 | Minimum | Floating Loan
Accounts, Notes, Loans and Financing Receivable [Line Items]
Interest Rate		5.75%
Bridge loans held-for-investment | $0 to $250 | Maximum | Fixed loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Interest Rate		12.00%
Bridge loans held-for-investment | $0 to $250 | Maximum | Floating Loan
Accounts, Notes, Loans and Financing Receivable [Line Items]
Interest Rate		10.25%
Bridge loans held-for-investment | $251 to $500 | Fixed loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loan Balance, minimum		$ 251
Loan Balance, maximum		$ 500
Number of Loans | loan		90
Total Principal		$ 30,472
30-89 Days DQ		945
90+ Days DQ		1,423
Bridge loans held-for-investment | $251 to $500 | Floating Loan
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loan Balance, minimum		251
Loan Balance, maximum		$ 500
Number of Loans | loan		20
Total Principal		$ 7,135
30-89 Days DQ		0
90+ Days DQ		$ 0
Bridge loans held-for-investment | $251 to $500 | Minimum | Fixed loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Interest Rate		6.99%
Bridge loans held-for-investment | $251 to $500 | Minimum | Floating Loan
Accounts, Notes, Loans and Financing Receivable [Line Items]
Interest Rate		6.65%
Bridge loans held-for-investment | $251 to $500 | Maximum | Fixed loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Interest Rate		13.00%
Bridge loans held-for-investment | $251 to $500 | Maximum | Floating Loan
Accounts, Notes, Loans and Financing Receivable [Line Items]
Interest Rate		8.60%
Bridge loans held-for-investment | $501 to $750 | Fixed loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loan Balance, minimum		$ 501
Loan Balance, maximum		$ 750
Number of Loans | loan		31
Total Principal		$ 18,843
30-89 Days DQ		0
90+ Days DQ		540
Bridge loans held-for-investment | $501 to $750 | Floating Loan
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loan Balance, minimum		501
Loan Balance, maximum		$ 750
Number of Loans | loan		8
Total Principal		$ 4,940
30-89 Days DQ		0
90+ Days DQ		$ 0
Bridge loans held-for-investment | $501 to $750 | Minimum | Fixed loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Interest Rate		6.99%
Bridge loans held-for-investment | $501 to $750 | Minimum | Floating Loan
Accounts, Notes, Loans and Financing Receivable [Line Items]
Interest Rate		7.05%
Bridge loans held-for-investment | $501 to $750 | Maximum | Fixed loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Interest Rate		10.00%
Bridge loans held-for-investment | $501 to $750 | Maximum | Floating Loan
Accounts, Notes, Loans and Financing Receivable [Line Items]
Interest Rate		8.50%
Bridge loans held-for-investment | $751 to $1,000 | Fixed loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loan Balance, minimum		$ 751
Loan Balance, maximum		$ 1,000
Number of Loans | loan		12
Total Principal		$ 10,430
30-89 Days DQ		0
90+ Days DQ		943
Bridge loans held-for-investment | $751 to $1,000 | Floating Loan
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loan Balance, minimum		751
Loan Balance, maximum		$ 1,000
Number of Loans | loan		9
Total Principal		$ 7,795
30-89 Days DQ		0
90+ Days DQ		$ 0
Bridge loans held-for-investment | $751 to $1,000 | Minimum | Fixed loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Interest Rate		6.99%
Bridge loans held-for-investment | $751 to $1,000 | Minimum | Floating Loan
Accounts, Notes, Loans and Financing Receivable [Line Items]
Interest Rate		6.50%
Bridge loans held-for-investment | $751 to $1,000 | Maximum | Fixed loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Interest Rate		9.50%
Bridge loans held-for-investment | $751 to $1,000 | Maximum | Floating Loan
Accounts, Notes, Loans and Financing Receivable [Line Items]
Interest Rate		8.00%
Bridge loans held-for-investment | Over $1,000 | Fixed loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loan Balance, maximum		$ 1,000
Number of Loans | loan		65
Total Principal		$ 203,215
30-89 Days DQ		0
90+ Days DQ		34,841
Bridge loans held-for-investment | Over $1,000 | Floating Loan
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loan Balance, maximum		$ 1,000
Number of Loans | loan		50
Total Principal		$ 238,105
30-89 Days DQ		0
90+ Days DQ		$ 0
Bridge loans held-for-investment | Over $1,000 | Minimum | Fixed loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Interest Rate		6.04%
Bridge loans held-for-investment | Over $1,000 | Minimum | Floating Loan
Accounts, Notes, Loans and Financing Receivable [Line Items]
Interest Rate		6.50%
Bridge loans held-for-investment | Over $1,000 | Maximum | Fixed loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Interest Rate		10.25%
Bridge loans held-for-investment | Over $1,000 | Maximum | Floating Loan
Accounts, Notes, Loans and Financing Receivable [Line Items]
Interest Rate		9.50%
CAFL(1) | Single-family rental loans held-for-investment
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number of Loans | loan	1,173	1,094
Total Principal	$ 3,340,949	$ 3,017,137
30-89 Days DQ	28,472	4,631
90+ Days DQ	41,999	61,440
CAFL(1) | Single-family rental loans held-for-investment | $0 to $250
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loan Balance, minimum	0	0
Loan Balance, maximum	$ 250	$ 250
Number of Loans | loan	5	5
Total Principal	$ 398	$ 1,016
30-89 Days DQ	20	0
90+ Days DQ	$ 0	$ 0
CAFL(1) | Single-family rental loans held-for-investment | $0 to $250 | Minimum
Accounts, Notes, Loans and Financing Receivable [Line Items]
Interest Rate	5.77%	5.77%
CAFL(1) | Single-family rental loans held-for-investment | $0 to $250 | Maximum
Accounts, Notes, Loans and Financing Receivable [Line Items]
Interest Rate	6.80%	7.05%
CAFL(1) | Single-family rental loans held-for-investment | $251 to $500
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loan Balance, minimum	$ 251	$ 251
Loan Balance, maximum	$ 500	$ 500
Number of Loans | loan	73	67
Total Principal	$ 32,106	$ 29,977
30-89 Days DQ	466	0
90+ Days DQ	$ 257	$ 0
CAFL(1) | Single-family rental loans held-for-investment | $251 to $500 | Minimum
Accounts, Notes, Loans and Financing Receivable [Line Items]
Interest Rate	4.64%	4.64%
CAFL(1) | Single-family rental loans held-for-investment | $251 to $500 | Maximum
Accounts, Notes, Loans and Financing Receivable [Line Items]
Interest Rate	7.03%	6.96%
CAFL(1) | Single-family rental loans held-for-investment | $501 to $750
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loan Balance, minimum	$ 501	$ 501
Loan Balance, maximum	$ 750	$ 750
Number of Loans | loan	199	212
Total Principal	$ 123,685	$ 130,665
30-89 Days DQ	717	0
90+ Days DQ	$ 1,224	$ 1,752
CAFL(1) | Single-family rental loans held-for-investment | $501 to $750 | Minimum
Accounts, Notes, Loans and Financing Receivable [Line Items]
Interest Rate	4.00%	4.12%
CAFL(1) | Single-family rental loans held-for-investment | $501 to $750 | Maximum
Accounts, Notes, Loans and Financing Receivable [Line Items]
Interest Rate	7.06%	7.06%
CAFL(1) | Single-family rental loans held-for-investment | $751 to $1,000
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loan Balance, minimum	$ 751	$ 751
Loan Balance, maximum	$ 1,000	$ 1,000
Number of Loans | loan	134	131
Total Principal	$ 116,724	$ 113,874
30-89 Days DQ	788	764
90+ Days DQ	$ 0	$ 750
CAFL(1) | Single-family rental loans held-for-investment | $751 to $1,000 | Minimum
Accounts, Notes, Loans and Financing Receivable [Line Items]
Interest Rate	4.20%	4.33%
CAFL(1) | Single-family rental loans held-for-investment | $751 to $1,000 | Maximum
Accounts, Notes, Loans and Financing Receivable [Line Items]
Interest Rate	7.23%	7.23%
CAFL(1) | Single-family rental loans held-for-investment | Over $1,000
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loan Balance, maximum	$ 1,000	$ 1,000
Number of Loans | loan	762	679
Total Principal	$ 3,068,036	$ 2,741,605
30-89 Days DQ	26,481	3,867
90+ Days DQ	$ 40,518	$ 58,938
CAFL(1) | Single-family rental loans held-for-investment | Over $1,000 | Minimum
Accounts, Notes, Loans and Financing Receivable [Line Items]
Interest Rate	3.81%	3.93%
CAFL(1) | Single-family rental loans held-for-investment | Over $1,000 | Maximum
Accounts, Notes, Loans and Financing Receivable [Line Items]
Interest Rate	7.57%	7.57%
CAFL(1) | Bridge loans held-for-investment
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number of Loans | loan	1,640
Total Principal	$ 274,617
30-89 Days DQ	3,426
90+ Days DQ	$ 0
CAFL(1) | Bridge loans held-for-investment | Fixed loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number of Loans | loan	920
Total Principal	$ 135,878
30-89 Days DQ	0
90+ Days DQ	$ 0
CAFL(1) | Bridge loans held-for-investment | Floating Loan
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number of Loans | loan	720
Total Principal	$ 138,739
30-89 Days DQ	3,426
90+ Days DQ	0
CAFL(1) | Bridge loans held-for-investment | $0 to $250 | Fixed loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loan Balance, minimum	0
Loan Balance, maximum	$ 250
Number of Loans | loan	808
Total Principal	$ 58,110
30-89 Days DQ	0
90+ Days DQ	0
CAFL(1) | Bridge loans held-for-investment | $0 to $250 | Floating Loan
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loan Balance, minimum	0
Loan Balance, maximum	$ 250
Number of Loans | loan	681
Total Principal	$ 77,001
30-89 Days DQ	2,091
90+ Days DQ	$ 0
CAFL(1) | Bridge loans held-for-investment | $0 to $250 | Minimum | Fixed loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Interest Rate	5.45%
CAFL(1) | Bridge loans held-for-investment | $0 to $250 | Minimum | Floating Loan
Accounts, Notes, Loans and Financing Receivable [Line Items]
Interest Rate	5.85%
CAFL(1) | Bridge loans held-for-investment | $0 to $250 | Maximum | Fixed loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Interest Rate	10.65%
CAFL(1) | Bridge loans held-for-investment | $0 to $250 | Maximum | Floating Loan
Accounts, Notes, Loans and Financing Receivable [Line Items]
Interest Rate	10.50%
CAFL(1) | Bridge loans held-for-investment | $251 to $500 | Fixed loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loan Balance, minimum	$ 251
Loan Balance, maximum	$ 500
Number of Loans | loan	70
Total Principal	$ 23,488
30-89 Days DQ	0
90+ Days DQ	0
CAFL(1) | Bridge loans held-for-investment | $251 to $500 | Floating Loan
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loan Balance, minimum	251
Loan Balance, maximum	$ 500
Number of Loans | loan	13
Total Principal	$ 4,088
30-89 Days DQ	783
90+ Days DQ	$ 0
CAFL(1) | Bridge loans held-for-investment | $251 to $500 | Minimum | Fixed loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Interest Rate	5.95%
CAFL(1) | Bridge loans held-for-investment | $251 to $500 | Minimum | Floating Loan
Accounts, Notes, Loans and Financing Receivable [Line Items]
Interest Rate	5.95%
CAFL(1) | Bridge loans held-for-investment | $251 to $500 | Maximum | Fixed loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Interest Rate	10.50%
CAFL(1) | Bridge loans held-for-investment | $251 to $500 | Maximum | Floating Loan
Accounts, Notes, Loans and Financing Receivable [Line Items]
Interest Rate	8.35%
CAFL(1) | Bridge loans held-for-investment | $501 to $750 | Fixed loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loan Balance, minimum	$ 501
Loan Balance, maximum	$ 750
Number of Loans | loan	24
Total Principal	$ 15,041
30-89 Days DQ	0
90+ Days DQ	0
CAFL(1) | Bridge loans held-for-investment | $501 to $750 | Floating Loan
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loan Balance, minimum	501
Loan Balance, maximum	$ 750
Number of Loans | loan	5
Total Principal	$ 3,097
30-89 Days DQ	552
90+ Days DQ	$ 0
CAFL(1) | Bridge loans held-for-investment | $501 to $750 | Minimum | Fixed loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Interest Rate	5.95%
CAFL(1) | Bridge loans held-for-investment | $501 to $750 | Minimum | Floating Loan
Accounts, Notes, Loans and Financing Receivable [Line Items]
Interest Rate	5.75%
CAFL(1) | Bridge loans held-for-investment | $501 to $750 | Maximum | Fixed loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Interest Rate	9.99%
CAFL(1) | Bridge loans held-for-investment | $501 to $750 | Maximum | Floating Loan
Accounts, Notes, Loans and Financing Receivable [Line Items]
Interest Rate	8.50%
CAFL(1) | Bridge loans held-for-investment | $751 to $1,000 | Fixed loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loan Balance, minimum	$ 751
Loan Balance, maximum	$ 1,000
Number of Loans | loan	7
Total Principal	$ 6,375
30-89 Days DQ	0
90+ Days DQ	0
CAFL(1) | Bridge loans held-for-investment | $751 to $1,000 | Floating Loan
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loan Balance, minimum	751
Loan Balance, maximum	$ 1,000
Number of Loans | loan	3
Total Principal	$ 2,546
30-89 Days DQ	0
90+ Days DQ	$ 0
CAFL(1) | Bridge loans held-for-investment | $751 to $1,000 | Minimum | Fixed loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Interest Rate	5.45%
CAFL(1) | Bridge loans held-for-investment | $751 to $1,000 | Minimum | Floating Loan
Accounts, Notes, Loans and Financing Receivable [Line Items]
Interest Rate	6.75%
CAFL(1) | Bridge loans held-for-investment | $751 to $1,000 | Maximum | Fixed loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Interest Rate	8.99%
CAFL(1) | Bridge loans held-for-investment | $751 to $1,000 | Maximum | Floating Loan
Accounts, Notes, Loans and Financing Receivable [Line Items]
Interest Rate	7.25%
CAFL(1) | Bridge loans held-for-investment | Over $1,000 | Fixed loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loan Balance, maximum	$ 1,000
Number of Loans | loan	11
Total Principal	$ 32,864
30-89 Days DQ	0
90+ Days DQ	0
CAFL(1) | Bridge loans held-for-investment | Over $1,000 | Floating Loan
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loan Balance, maximum	$ 1,000
Number of Loans | loan	18
Total Principal	$ 52,007
30-89 Days DQ	0
90+ Days DQ	$ 0
CAFL(1) | Bridge loans held-for-investment | Over $1,000 | Minimum | Fixed loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Interest Rate	6.25%
CAFL(1) | Bridge loans held-for-investment | Over $1,000 | Minimum | Floating Loan
Accounts, Notes, Loans and Financing Receivable [Line Items]
Interest Rate	5.75%
CAFL(1) | Bridge loans held-for-investment | Over $1,000 | Maximum | Fixed loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Interest Rate	9.00%
CAFL(1) | Bridge loans held-for-investment | Over $1,000 | Maximum | Floating Loan
Accounts, Notes, Loans and Financing Receivable [Line Items]
Interest Rate	10.00%
Redwood | Bridge loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number of Loans | loan	1,134
Total Principal	$ 670,392
30-89 Days DQ	17,393
90+ Days DQ	$ 18,032
Redwood | Bridge loans | Fixed loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number of Loans | loan	187
Total Principal	$ 96,066
30-89 Days DQ	13,995
90+ Days DQ	$ 17,116
Redwood | Bridge loans | Floating Loan
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number of Loans | loan	947
Total Principal	$ 574,326
30-89 Days DQ	3,398
90+ Days DQ	916
Redwood | Bridge loans | $0 to $250 | Fixed loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loan Balance, minimum	0
Loan Balance, maximum	$ 250
Number of Loans | loan	115
Total Principal	$ 12,850
30-89 Days DQ	426
90+ Days DQ	1,493
Redwood | Bridge loans | $0 to $250 | Floating Loan
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loan Balance, minimum	0
Loan Balance, maximum	$ 250
Number of Loans | loan	737
Total Principal	$ 65,611
30-89 Days DQ	773
90+ Days DQ	$ 0
Redwood | Bridge loans | $0 to $250 | Minimum | Fixed loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Interest Rate	5.95%
Redwood | Bridge loans | $0 to $250 | Minimum | Floating Loan
Accounts, Notes, Loans and Financing Receivable [Line Items]
Interest Rate	4.25%
Redwood | Bridge loans | $0 to $250 | Maximum | Fixed loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Interest Rate	12.00%
Redwood | Bridge loans | $0 to $250 | Maximum | Floating Loan
Accounts, Notes, Loans and Financing Receivable [Line Items]
Interest Rate	10.00%
Redwood | Bridge loans | $251 to $500 | Fixed loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loan Balance, minimum	$ 251
Loan Balance, maximum	$ 500
Number of Loans | loan	26
Total Principal	$ 9,294
30-89 Days DQ	253
90+ Days DQ	1,619
Redwood | Bridge loans | $251 to $500 | Floating Loan
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loan Balance, minimum	251
Loan Balance, maximum	$ 500
Number of Loans | loan	123
Total Principal	$ 42,248
30-89 Days DQ	0
90+ Days DQ	$ 0
Redwood | Bridge loans | $251 to $500 | Minimum | Fixed loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Interest Rate	5.95%
Redwood | Bridge loans | $251 to $500 | Minimum | Floating Loan
Accounts, Notes, Loans and Financing Receivable [Line Items]
Interest Rate	4.25%
Redwood | Bridge loans | $251 to $500 | Maximum | Fixed loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Interest Rate	10.00%
Redwood | Bridge loans | $251 to $500 | Maximum | Floating Loan
Accounts, Notes, Loans and Financing Receivable [Line Items]
Interest Rate	8.25%
Redwood | Bridge loans | $501 to $750 | Fixed loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loan Balance, minimum	$ 501
Loan Balance, maximum	$ 750
Number of Loans | loan	13
Total Principal	$ 8,498
30-89 Days DQ	637
90+ Days DQ	2,012
Redwood | Bridge loans | $501 to $750 | Floating Loan
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loan Balance, minimum	501
Loan Balance, maximum	$ 750
Number of Loans | loan	9
Total Principal	$ 5,724
30-89 Days DQ	0
90+ Days DQ	$ 0
Redwood | Bridge loans | $501 to $750 | Minimum | Fixed loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Interest Rate	6.70%
Redwood | Bridge loans | $501 to $750 | Minimum | Floating Loan
Accounts, Notes, Loans and Financing Receivable [Line Items]
Interest Rate	5.75%
Redwood | Bridge loans | $501 to $750 | Maximum | Fixed loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Interest Rate	10.00%
Redwood | Bridge loans | $501 to $750 | Maximum | Floating Loan
Accounts, Notes, Loans and Financing Receivable [Line Items]
Interest Rate	8.60%
Redwood | Bridge loans | $751 to $1,000 | Fixed loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loan Balance, minimum	$ 751
Loan Balance, maximum	$ 1,000
Number of Loans | loan	9
Total Principal	$ 7,544
30-89 Days DQ	980
90+ Days DQ	0
Redwood | Bridge loans | $751 to $1,000 | Floating Loan
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loan Balance, minimum	751
Loan Balance, maximum	$ 1,000
Number of Loans | loan	12
Total Principal	$ 10,200
30-89 Days DQ	945
90+ Days DQ	$ 916
Redwood | Bridge loans | $751 to $1,000 | Minimum | Fixed loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Interest Rate	5.45%
Redwood | Bridge loans | $751 to $1,000 | Minimum | Floating Loan
Accounts, Notes, Loans and Financing Receivable [Line Items]
Interest Rate	5.75%
Redwood | Bridge loans | $751 to $1,000 | Maximum | Fixed loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Interest Rate	10.00%
Redwood | Bridge loans | $751 to $1,000 | Maximum | Floating Loan
Accounts, Notes, Loans and Financing Receivable [Line Items]
Interest Rate	7.50%
Redwood | Bridge loans | Over $1,000 | Fixed loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loan Balance, maximum	$ 1,000
Number of Loans | loan	24
Total Principal	$ 57,880
30-89 Days DQ	11,699
90+ Days DQ	11,992
Redwood | Bridge loans | Over $1,000 | Floating Loan
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loan Balance, maximum	$ 1,000
Number of Loans | loan	66
Total Principal	$ 450,543
30-89 Days DQ	1,680
90+ Days DQ	$ 0
Redwood | Bridge loans | Over $1,000 | Minimum | Fixed loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Interest Rate	5.45%
Redwood | Bridge loans | Over $1,000 | Minimum | Floating Loan
Accounts, Notes, Loans and Financing Receivable [Line Items]
Interest Rate	4.90%
Redwood | Bridge loans | Over $1,000 | Maximum | Fixed loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Interest Rate	10.00%
Redwood | Bridge loans | Over $1,000 | Maximum | Floating Loan
Accounts, Notes, Loans and Financing Receivable [Line Items]
Interest Rate	9.50%

Multifamily Loans - Characteris

Multifamily Loans - Characteristics and Activity of Multifamily Loans (Details) - Multifamily securities $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 31, 2020USD ($)	Dec. 31, 2021USD ($)loan	Dec. 31, 2020USD ($)loan
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Deconsolidation of multifamily loans	$ 3,850,000
Number of Loans | loan		28	28
Total Principal		$ 455,168	$ 462,808
Residential loans, held-for-investment
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Valuation adjustment gain (loss)		$ (11,068)	$ (58,821)
Redwood
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Number of Loans | loan		28	28
Total Principal		$ 455,168	$ 462,808
Loans, at fair value		$ 473,514	$ 492,221
Weighted average coupon rate (as a percent)		4.25%	4.25%
Contract maturities		4 years	5 years
Number of loans in foreclosure | loan		0	0
Redwood | Financing Receivables, Equal to Greater than 90 Days Past Due
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Number of loans past due | loan		0	0

Multifamily Loans - Geographic

Multifamily Loans - Geographic Concentration of Multifamily Loans (Details) - Multifamily securities - Geographic Concentration Risk - Loan Benchmark	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Accounts, Notes, Loans and Financing Receivable [Line Items]
Concentration risk percentage	100.00%	100.00%
California
Accounts, Notes, Loans and Financing Receivable [Line Items]
Concentration risk percentage	13.00%	13.00%
Florida
Accounts, Notes, Loans and Financing Receivable [Line Items]
Concentration risk percentage	13.00%	13.00%
North Carolina
Accounts, Notes, Loans and Financing Receivable [Line Items]
Concentration risk percentage	9.00%	9.00%
Oregon
Accounts, Notes, Loans and Financing Receivable [Line Items]
Concentration risk percentage	7.00%	7.00%
Hawaii
Accounts, Notes, Loans and Financing Receivable [Line Items]
Concentration risk percentage	5.00%	5.00%
Tennessee
Accounts, Notes, Loans and Financing Receivable [Line Items]
Concentration risk percentage	5.00%	5.00%
Other states (none greater than 5%)
Accounts, Notes, Loans and Financing Receivable [Line Items]
Concentration risk percentage	48.00%	48.00%

Multifamily Loans - Product Typ

Multifamily Loans - Product Types and Characteristics of Multifamily Loans (Details) - Multifamily securities $ in Thousands	12 Months Ended
	Dec. 31, 2021USD ($)loan	Dec. 31, 2020USD ($)loan
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number of Loans | loan	28	28
Total Principal	$ 455,168	$ 462,808
30-89 Days DQ	0	0
90+ Days DQ	$ 0	0
$10,001 to $20,000
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loan Balance, minimum		10,001
Loan Balance, maximum		$ 20,000
Number of Loans | loan	24	24
Total Principal	$ 364,811	$ 370,934
30-89 Days DQ	0	0
90+ Days DQ	$ 0	$ 0
$10,001 to $20,000 | Minimum
Accounts, Notes, Loans and Financing Receivable [Line Items]
Interest Rate	4.25%	4.25%
$10,001 to $20,000 | Maximum
Accounts, Notes, Loans and Financing Receivable [Line Items]
Interest Rate	4.25%	4.25%
$20,001 to $30,000
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loan Balance, minimum		$ 20,001
Loan Balance, maximum		$ 30,000
Number of Loans | loan	4	4
Total Principal	$ 90,357	$ 91,874
30-89 Days DQ	0	0
90+ Days DQ	$ 0	$ 0
$20,001 to $30,000 | Minimum
Accounts, Notes, Loans and Financing Receivable [Line Items]
Interest Rate	4.25%	4.25%
$20,001 to $30,000 | Maximum
Accounts, Notes, Loans and Financing Receivable [Line Items]
Interest Rate	4.25%	4.25%

Real Estate Securities - Fair V

Real Estate Securities - Fair Values of Real Estate Securities by Collateral Type and Entity (Details) - USD ($) $ in Thousands		Dec. 31, 2021	Dec. 31, 2020
Investments, Debt and Equity Securities [Abstract]
Trading		$ 170,619	$ 125,667
Available-for-sale		206,792	218,458
Total Real Estate Securities	[1]	$ 377,411	$ 344,125
[1]	Our consolidated balance sheets include assets of consolidated variable interest entities (“VIEs”) that can only be used to settle obligations of these VIEs and liabilities of consolidated VIEs for which creditors do not have recourse to Redwood Trust, Inc. or its affiliates. At December 31, 2021 and 2020, assets of consolidated VIEs totaled $10,661,081 and $8,141,069, respectively. At December 31, 2021 and 2020, liabilities of consolidated VIEs totaled $9,619,347 and $7,148,414, respectively. See Note 4 for further discussion.

Real Estate Securities - Tradin

Real Estate Securities - Trading Securities by Collateral Type (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Investment Holdings [Line Items]
Real estate securities	$ 170,619	$ 125,667
Unpaid principal balance	235,306	245,855
Principal balance of securities acquired (1)	50,180	79,921
Principal balance of securities sold (1)	55,561	744,914
Net market valuation gains (losses) recorded	23,583	(230,731)
Securities bought and sold during the same quarter	5,000	11,000
Senior IO Securities
Investment Holdings [Line Items]
Real estate securities	21,787	28,464
Unpaid principal balance	0	0
Mezzanine
Investment Holdings [Line Items]
Real estate securities	0	3,649
Unpaid principal balance	0	3,577
Subordinate
Investment Holdings [Line Items]
Real estate securities	148,832	93,554
Unpaid principal balance	235,306	242,278
Interest-only securities | Senior IO Securities
Investment Holdings [Line Items]
Real estate securities	21,787	28,464
Interest-only securities | Senior IO Securities | Sequoia
Investment Holdings [Line Items]
Real estate securities	15,000	13,000
Sequoia securities | Mezzanine
Investment Holdings [Line Items]
Real estate securities	0	3,649
RPL securities | Subordinate
Investment Holdings [Line Items]
Real estate securities	65,140	47,448
Multifamily securities | Subordinate
Investment Holdings [Line Items]
Real estate securities	10,549	5,592
Other third-party residential securities | Subordinate
Investment Holdings [Line Items]
Real estate securities	$ 73,143	$ 40,514

Real Estate Securities - Availa

Real Estate Securities - Available for Sale Securities by Collateral Type (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Investment Holdings [Line Items]
Debt securities, available for sale	$ 206,792	$ 218,458
AFS securities acquired	19,100	57,652
AFS securities sold	4,785	55,192
Principal balance of securities called	27,875	7
Securities bought and sold	6,000	500
Mezzanine
Investment Holdings [Line Items]
Debt securities, available for sale	0	2,014
Subordinate
Investment Holdings [Line Items]
Debt securities, available for sale	206,792	216,444
Other third-party residential securities | Mezzanine
Investment Holdings [Line Items]
Debt securities, available for sale	0	2,014
Other third-party residential securities | Subordinate
Investment Holdings [Line Items]
Debt securities, available for sale	57,084	36,306
Sequoia securities | Subordinate
Investment Holdings [Line Items]
Debt securities, available for sale	127,542	136,475
Multifamily securities | Subordinate
Investment Holdings [Line Items]
Debt securities, available for sale	$ 22,166	$ 43,663

Real Estate Securities - Additi

Real Estate Securities - Additional Information (Details) $ in Thousands	Dec. 31, 2021USD ($)investment	Dec. 31, 2020USD ($)investment	Dec. 31, 2019USD ($)
Investment Holdings [Line Items]
Number of AFS securities | investment	85	96
Number of securities in unrealized loss position | investment	4	5
Number of securities in a continuous unrealized loss position for twelve consecutive months or longer | investment	1	0
Gross unrealized losses	$ 297	$ 1,047
AFS securities, allowance for credit loss	0	$ 388	$ 0
Residential
Investment Holdings [Line Items]
Marketable securities, less than five years	19,000
Marketable securities, due from five to ten years	$ 4,000

Real Estate Securities - Carryi

Real Estate Securities - Carrying Value of AFS Securities (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Debt Securities, Available-for-sale [Line Items]
Principal balance	$ 242,852	$ 283,284
Credit reserve	(27,555)	(44,967)
Unamortized discount, net	(76,023)	(95,718)
Amortized cost	139,274	142,599
Gross unrealized gains	67,815	77,294
Gross unrealized losses	(297)	(1,047)
CECL credit allowance	0	(388)	$ 0
Carrying Value	206,792	218,458
Mezzanine
Debt Securities, Available-for-sale [Line Items]
Principal balance	0	2,000
Credit reserve	0	0
Unamortized discount, net	0	0
Amortized cost	0	2,000
Gross unrealized gains	0	14
Gross unrealized losses	0	0
CECL credit allowance	0	0
Carrying Value	0	2,014
Subordinate Securities
Debt Securities, Available-for-sale [Line Items]
Principal balance	242,852	281,284
Credit reserve	(27,555)	(44,967)
Unamortized discount, net	(76,023)	(95,718)
Amortized cost	139,274	140,599
Gross unrealized gains	67,815	77,280
Gross unrealized losses	(297)	(1,047)
CECL credit allowance	0	(388)
Carrying Value	$ 206,792	$ 216,444

Real Estate Securities - Change

Real Estate Securities - Changes of Unamortized Discount and Designated Credit Reserves on Residential Available for Sale Securities (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Credit Reserve
Beginning balance	$ 44,967
Ending Balance	27,555	$ 44,967
Unamortized Discount, Net
Beginning balance	95,718
Ending Balance	76,023	95,718
Residential
Credit Reserve
Beginning balance	44,967	32,940
Amortization of net discount	0	0
Realized credit losses	(707)	(2,282)
Acquisitions	2,825	7,248
Sales, calls, other	(1,328)	(731)
Impairments	0	0
Transfers to (release of) credit reserves, net	(18,202)	7,792
Ending Balance	27,555	44,967
Unamortized Discount, Net
Beginning balance	95,718	124,255
Amortization of net discount	(23,254)	(6,538)
Realized credit losses	0	0
Acquisitions	1,208	2,634
Sales, calls, other	(15,851)	(16,841)
Impairments	0	0
Transfers to (release of) credit reserves, net	18,202	(7,792)
Ending Balance	$ 76,023	$ 95,718

Real Estate Securities - Compon

Real Estate Securities - Components of Carrying Value of Residential Available for Sale Securities in Unrealized Loss Position (Details) - Residential - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Debt Securities, Available-for-sale [Line Items]
Less Than 12 Consecutive Months Amortized Cost	$ 7,078	$ 9,129
Less Than 12 Consecutive Months, Unrealized Losses	(251)	(1,047)
Less Than 12 Consecutive Months, Fair Value	6,827	7,920
12 Consecutive Months or Longer Amortized Cost	1,600	0
12 Consecutive Months or Longer, Unrealized Losses	(46)	0
12 Consecutive Months or Longer, Fair Value	$ 1,554	$ 0

Real Estate Securities - Activi

Real Estate Securities - Activity of Allowance for Credit Losses for Available-for-sale Securities (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Debt Securities, Available-for-sale, Allowance for Credit Loss [Roll Forward]
Beginning balance	$ 388	$ 0
Additions to allowance for credit losses on securities for which credit losses were not previously recorded	0	1,864
Additional increases or decreases to the allowance for credit losses on securities that had an allowance recorded in a previous period	(388)	(1,476)
Allowance on purchased financial assets with credit deterioration	0	0
Reduction to allowance for securities sold during the period	0	0
Reduction to allowance for securities we intend to sell or more likely than not will be required to sell	0	0
Write-offs charged against allowance	0	0
Recoveries of amounts previously written off	0	0
Ending balance	0	388
Cumulative Effect, Period of Adoption, Adjustment
Debt Securities, Available-for-sale, Allowance for Credit Loss [Roll Forward]
Beginning balance	$ 0
Ending balance		$ 0

Real Estate Securities - Gross

Real Estate Securities - Gross Realized Gains and Losses on Sales and Calls of Available for Sale Securities (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Debt Securities, Available-for-sale [Line Items]
Total Realized Gains on Sales and Calls of AFS Securities, net	$ 17,093	$ 4,640	$ 23,821
Sales
Debt Securities, Available-for-sale [Line Items]
Gross realized gains	1,540	8,779	17,582
Gross realized losses	0	(4,144)	0
Calls
Debt Securities, Available-for-sale [Line Items]
Gross realized gains	$ 15,553	$ 5	$ 6,239

Other Investments - Summary of

Other Investments - Summary of Other Investments (Details) - USD ($) $ in Thousands		Dec. 31, 2021	Dec. 31, 2020
Investment [Line Items]
Other Investments	[1]	$ 641,969	$ 348,175
Mortgage servicing rights
Investment [Line Items]
Servicing asset, fair value		12,438	8,815
Other
Investment [Line Items]
Loan held-for-investment, amount		5,935	26,564
Residential Loans
Investment [Line Items]
Servicing asset, fair value		350,923	231,489
Securitized Point Options
Investment [Line Items]
Servicing asset, fair value		192,740	42,440
Strategic Investments
Investment [Line Items]
Servicing asset, fair value		35,702	4,449
Excess MSRs
Investment [Line Items]
Servicing asset, fair value		$ 44,231	$ 34,418
[1]	Our consolidated balance sheets include assets of consolidated variable interest entities (“VIEs”) that can only be used to settle obligations of these VIEs and liabilities of consolidated VIEs for which creditors do not have recourse to Redwood Trust, Inc. or its affiliates. At December 31, 2021 and 2020, assets of consolidated VIEs totaled $10,661,081 and $8,141,069, respectively. At December 31, 2021 and 2020, liabilities of consolidated VIEs totaled $9,619,347 and $7,148,414, respectively. See Note 4 for further discussion.

Other Investments - Additional

Other Investments - Additional Information (Details) $ in Thousands	3 Months Ended	12 Months Ended
	Sep. 30, 2021USD ($)	Dec. 31, 2021USD ($)investment	Dec. 31, 2020USD ($)	Dec. 31, 2019USD ($)partnership	Dec. 31, 2018partnership
Investment [Line Items]
Number of partnerships consolidated | partnership				2	2
Commitment to fund partnership		$ 148,000
Collateral amounts		1,306,932	$ 1,084,929
Investment fair value changes, net		128,049	(588,438)	$ 35,500
Interest income		574,926	571,916	622,281
Other income, net		12,018	4,188	19,257
Variable Interest Entity, Primary Beneficiary
Investment [Line Items]
Investment fair value changes, net		90,121	(167,856)
Estimated fair value of investments		1,033,913	789,228
Interest income		400,292	391,191
Variable Interest Entity, Primary Beneficiary | Collateralized Financing Entities | Point
Investment [Line Items]
Estimated fair value of investments	$ 10,000
MSRs
Investment [Line Items]
Servicing asset, fair value		12,438	8,815
Servicing assets		2,120,000	2,590,000
MSR income (loss)		2,000	(10,000)	4,000
HEIs
Investment [Line Items]
Investments acquired		78,000
Transfer to investments	172,000
HEIs | Redwood
Investment [Line Items]
Servicing asset, fair value		33,000
HEIs | Point HEI
Investment [Line Items]
Servicing asset, fair value		160,000
Strategic Investments
Investment [Line Items]
Other income, net		$ 800
Strategic Investments | RWT Horizons
Investment [Line Items]
Number of investments made | investment		15
Investments		$ 21,000
Strategic Investments | Churchill Finance
Investment [Line Items]
Number of investments made | investment		1
Commitment To Fund Investment | Shared home appreciation options
Investment [Line Items]
Investment fair value changes, net		$ 13,000	(2,000)
Residential Loans
Investment [Line Items]
Servicing asset, fair value		350,923	231,489
Servicing asset, unpaid principal balance on underlying loan		13,630,000
Excess MSRs
Investment [Line Items]
Servicing asset, fair value		44,231	34,418
Investment fair value changes, net		(8,000)	(8,000)	(3,000)
Fair value option elected aggregate carrying amount, asset		18,000	11,000
Interest income		13,000	12,000	8,000
HEIs
Investment [Line Items]
Fair value option elected aggregate carrying amount, asset	122,000
Other investments held by noncontrolling interests	17,000
Point HEI
Investment [Line Items]
Investment fair value changes, net		200
Other investments, interest expense		1,400
Point HEI | Variable Interest Entity, Primary Beneficiary
Investment [Line Items]
Amortized cost	$ 146,000
Servicer advance financing
Investment [Line Items]
Collateral amounts		311,000
Income (loss) on investments		12,000	11,000	11,000
Investment fair value changes, net		$ (1,000)	$ (9,000)	$ 3,000

Other Investments - Servicing A

Other Investments - Servicing Advance Investments (Details) - Residential Loans - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Investment [Line Items]
Principal and interest advances	$ 94,148	$ 110,923
Escrow advances (taxes and insurance advances)	172,847	79,279
Corporate advances	43,958	27,454
Total Servicer Advance Receivables	$ 310,953	$ 217,656

Derivative Financial Instrume_3

Derivative Financial Instruments - Aggregate Fair Value and Notional Amount of Derivative Financial Instruments (Details) - USD ($)	Dec. 31, 2021	Dec. 31, 2020
Derivative [Line Items]
Fair Value	$ 23,150,000	$ 37,166,000
Notional Amount	6,861,921,000	11,346,407,000
Derivative Liabilities
Derivative [Line Items]
Fair Value	(3,317,000)	(16,072,000)
Notional Amount	1,619,790,000	3,582,153,000
Derivative Assets
Derivative [Line Items]
Fair Value	26,467,000	53,238,000
Notional Amount	5,242,131,000	7,764,254,000
Interest rate agreements | Derivative Liabilities
Derivative [Line Items]
Fair Value	(1,251,000)	0
Notional Amount	283,100,000	0
Interest rate agreements | Derivative Assets
Derivative [Line Items]
Fair Value	611,000	224,000
Notional Amount	161,500,000	42,000,000
TBAs
Derivative [Line Items]
Notional Amount	3,310,000,000	6,630,000,000
TBAs | Derivative Liabilities
Derivative [Line Items]
Fair Value	(658,000)	(15,495,000)
Notional Amount	870,000,000	3,105,000,000
TBAs | Derivative Assets
Derivative [Line Items]
Fair Value	2,880,000	18,260,000
Notional Amount	2,440,000,000	3,520,000,000
Futures
Derivative [Line Items]
Notional Amount	72,000,000
Futures | Derivative Liabilities
Derivative [Line Items]
Fair Value	(905,000)	0
Notional Amount	62,500,000	0
Futures | Derivative Assets
Derivative [Line Items]
Fair Value	25,000	0
Notional Amount	9,000,000	0
Swaptions | Derivative Assets
Derivative [Line Items]
Fair Value	18,318,000	19,727,000
Notional Amount	1,660,000,000	1,585,000,000
Loan purchase and interest rate lock commitments | Derivative Liabilities
Derivative [Line Items]
Fair Value	(503,000)	(577,000)
Notional Amount	404,190,000	477,153,000
Loan purchase and interest rate lock commitments | Derivative Assets
Derivative [Line Items]
Fair Value	4,633,000	15,027,000
Notional Amount	$ 971,631,000	$ 2,617,254,000

Derivative Financial Instrume_4

Derivative Financial Instruments - Additional Information (Details) - USD ($)	3 Months Ended	12 Months Ended
	Mar. 31, 2020	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Derivative [Line Items]
Notional amount		$ 6,861,921,000	$ 11,346,407,000
Stockholders' equity attributable to parent		1,386,087,000	1,110,899,000	$ 1,827,231,000	$ 1,348,794,000
Interest Expense
Derivative [Line Items]
Expected amortization of realized losses related to terminated cash flow hedges		4,000,000
Net Unrealized Losses on Interest Rate Agreements Accounted for as Cash Flow Hedges
Derivative [Line Items]
Stockholders' equity attributable to parent		(76,430,000)	(80,557,000)	(50,939,000)
Mortgage Banking Activities, Net
Derivative [Line Items]
Changes in fair value of assets		196,566,000	66,482,000	69,326,000
LPCs, IRLCs, and FSCs | Mortgage Banking Activities, Net
Derivative [Line Items]
Changes in fair value of assets		11,000,000	57,000,000	62,000,000
Interest Rate Contract
Derivative [Line Items]
Notional amount		2,100,000,000	1,630,000,000
TBAs
Derivative [Line Items]
Notional amount		3,310,000,000	6,630,000,000
Residential and Commercial Loans
Derivative [Line Items]
Valuation adjustments on derivatives		41,000,000	(93,000,000)	(134,000,000)
Interest rate agreements | Cash Flow Hedging
Derivative [Line Items]
Valuation adjustments on derivatives		0	$ (33,000,000)	$ (17,000,000)
Derivative payment	$ 84,000,000
Futures
Derivative [Line Items]
Notional amount		$ 72,000,000

Derivative Financial Instrume_5

Derivative Financial Instruments - Impact on Interest Expense of Interest Rate Agreements Accounted for as Cash Flow Hedges (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Derivative [Line Items]
Total interest expense	$ (426,749)	$ (448,005)	$ (479,808)
Cash Flow Hedging | Interest Rate Contract
Derivative [Line Items]
Net interest expense on cash flows hedges	0	(860)	(2,847)
Realized net losses reclassified from other comprehensive income	(4,127)	(3,188)	0
Total interest expense	$ (4,127)	$ (4,048)	$ (2,847)

Other Assets and Liabilities -

Other Assets and Liabilities - Summary of Other Assets (Details) - USD ($) $ in Thousands		Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]
Investment receivable		$ 82,781	$ 43,176
Accrued interest receivable		47,515	39,445
REO		36,126	8,413	$ 9,462
Deferred tax asset		20,867	871
Operating lease right-of-use assets		18,772	15,012
Fixed assets and leasehold improvements		9,019	4,203
Margin receivable		7,269	4,758
Pledged collateral		0	1,177
Other		8,768	13,533
Total Other Assets	[1]	231,117	$ 130,588
Fixed assets basis		17,000
Fixed assets, accumulated depreciation		$ 8,000
[1]	Our consolidated balance sheets include assets of consolidated variable interest entities (“VIEs”) that can only be used to settle obligations of these VIEs and liabilities of consolidated VIEs for which creditors do not have recourse to Redwood Trust, Inc. or its affiliates. At December 31, 2021 and 2020, assets of consolidated VIEs totaled $10,661,081 and $8,141,069, respectively. At December 31, 2021 and 2020, liabilities of consolidated VIEs totaled $9,619,347 and $7,148,414, respectively. See Note 4 for further discussion.

Other Assets and Liabilities _2

Other Assets and Liabilities - Accrued Expenses and Other Liabilities (Details) - USD ($) $ in Thousands		Dec. 31, 2021	Dec. 31, 2020
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]
Accrued compensation		$ 74,636	$ 24,393
Payable to non-controlling interests		42,670	16,941
Accrued interest payable		39,297	34,858
Margin payable		24,368	14,728
Operating lease liabilities		20,960	16,687
Residential loan and MSR repurchase reserve		9,306	8,631
Guarantee obligations		7,459	10,039
Accrued operating expenses		4,377	5,509
Bridge loan holdbacks		3,109	5,708
Accrued income taxes payable		726	5,614
Deferred consideration		0	14,579
Other		18,880	21,653
Total Accrued Expenses and Other Liabilities	[1]	$ 245,788	$ 179,340
[1]	Our consolidated balance sheets include assets of consolidated variable interest entities (“VIEs”) that can only be used to settle obligations of these VIEs and liabilities of consolidated VIEs for which creditors do not have recourse to Redwood Trust, Inc. or its affiliates. At December 31, 2021 and 2020, assets of consolidated VIEs totaled $10,661,081 and $8,141,069, respectively. At December 31, 2021 and 2020, liabilities of consolidated VIEs totaled $9,619,347 and $7,148,414, respectively. See Note 4 for further discussion.

Other Assets and Liabilities _3

Other Assets and Liabilities - REO Information (Details) $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 31, 2021USD ($)shares	Dec. 31, 2021USD ($)asset	Dec. 31, 2020USD ($)asset	Dec. 31, 2019USD ($)partnership	Dec. 31, 2018partnership
Other Real Estate [Roll Forward]
Balance at beginning of period	$ 8,413	$ 8,413	$ 9,462
Transfers to REO		40,038	14,119
Liquidations		(12,642)	(14,622)
Changes in fair value, net		317	(546)
Balance at End of Period		36,126	8,413	$ 9,462
Realized loss from liquidation		$ 300	$ 1,000
Number of REO properties recorded on balance sheet | asset		34	17
Number of partnerships consolidated | partnership				2	2
Co-investors gains (losses)		$ 2,000	$ (200)	$ 1,000
Co-Investors Interests
Other Real Estate [Roll Forward]
Carrying value of interests		26,000
Non-controlling interest in consolidated Point HEI entity
Other Real Estate [Roll Forward]
Carrying value of interests		17,000
5 Arches, LLC
Other Assets and Other Liabilities [Line Items]
Shares issued for settlement of remaining deferred consideration | shares	806,068
Cash payment for contingent consideration	$ 1,000
Legacy Sequoia
Other Real Estate [Roll Forward]
Balance at beginning of period	638	638	460
Transfers to REO		217	532
Liquidations		(956)	(243)
Changes in fair value, net		162	(111)
Balance at End of Period		$ 61	$ 638	460
Number of REO properties recorded on balance sheet | asset		2	3
Freddie Mac SLST(1)
Other Real Estate [Roll Forward]
Balance at beginning of period	646	$ 646	$ 445
Transfers to REO		3,268	1,319
Liquidations		(2,137)	(1,178)
Changes in fair value, net		251	60
Balance at End of Period		$ 2,028	$ 646	445
Number of REO properties recorded on balance sheet | asset		24	9
CAFL(1)
Other Real Estate [Roll Forward]
Balance at beginning of period	2,529	$ 2,529	$ 1,670
Transfers to REO		21,129	6,157
Liquidations		(2,034)	(4,371)
Changes in fair value, net		(655)	(927)
Balance at End of Period		$ 20,969	$ 2,529	1,670
Number of REO properties recorded on balance sheet | asset		3	2
Bridge Loan
Other Real Estate [Roll Forward]
Balance at beginning of period	$ 4,600	$ 4,600	$ 6,887
Transfers to REO		15,424	6,111
Liquidations		(7,515)	(8,830)
Changes in fair value, net		559	432
Balance at End of Period		$ 13,068	$ 4,600	$ 6,887
Number of REO properties recorded on balance sheet | asset		5	3

Short-Term Debt - Outstanding B

Short-Term Debt - Outstanding Balances of Short-Term Debt by Type of Collateral Securing Debt (Details)		12 Months Ended
		Dec. 31, 2021USD ($)facility	Dec. 31, 2020USD ($)facility
Short-term Debt [Line Items]
Outstanding Balance	[1]	$ 2,177,362,000	$ 522,609,000
Line of Credit
Short-term Debt [Line Items]
Number of Facilities | facility		13	9
Outstanding Balance		$ 1,882,915,000	$ 314,234,000
Line of Credit | Residential loan warehouse
Short-term Debt [Line Items]
Number of Facilities | facility		7	4
Outstanding Balance		$ 1,669,344,000	$ 137,269,000
Limit		$ 2,900,000,000	$ 1,300,000,000
Weighted Average Interest Rate (1)		1.87%	2.45%
Weighted Average Days Until Maturity		153 days	268 days
Line of Credit | Business purpose loans
Short-term Debt [Line Items]
Number of Facilities | facility		2	2
Outstanding Balance		$ 138,746,000	$ 99,190,000
Limit		$ 350,000,000	$ 500,000,000
Weighted Average Interest Rate (1)		3.34%	3.37%
Weighted Average Days Until Maturity		105 days	521 days
Line of Credit | Real estate securities repo
Short-term Debt [Line Items]
Number of Facilities | facility		4	3
Outstanding Balance		$ 74,825,000	$ 77,775,000
Limit		$ 0	$ 0
Weighted Average Interest Rate (1)		1.13%	2.24%
Weighted Average Days Until Maturity		33 days	36 days
Servicer advance financing
Short-term Debt [Line Items]
Number of Facilities | facility		1	1
Outstanding Balance		$ 294,447,000	$ 208,375,000
Limit		$ 350,000,000	$ 335,000,000
Weighted Average Interest Rate (1)		1.90%	1.95%
Weighted Average Days Until Maturity		306 days	334 days
[1]	Our consolidated balance sheets include assets of consolidated variable interest entities (“VIEs”) that can only be used to settle obligations of these VIEs and liabilities of consolidated VIEs for which creditors do not have recourse to Redwood Trust, Inc. or its affiliates. At December 31, 2021 and 2020, assets of consolidated VIEs totaled $10,661,081 and $8,141,069, respectively. At December 31, 2021 and 2020, liabilities of consolidated VIEs totaled $9,619,347 and $7,148,414, respectively. See Note 4 for further discussion.

Short-Term Debt - Collateral fo

Short-Term Debt - Collateral for Short-Term Debt (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Short-term Debt [Line Items]
Total Collateral for Short-Term Debt Facilities	$ 2,450,304	$ 649,106
Line of Credit
Short-term Debt [Line Items]
Total real estate securities owned	99,005	114,553
Other assets	1,962	315
Total Collateral for Short-Term Debt Facilities	2,107,451	398,252
Servicer advance financing
Short-term Debt [Line Items]
Total Collateral for Short-Term Debt Facilities	342,853	250,854
Cash Collateral for Borrowed Securities	6,480	9,978
Restricted Cash Collateral For Borrowed Securities	25,420	23,220
Servicer Advances Collateral	310,953	217,656
On balance sheet | Line of Credit
Short-term Debt [Line Items]
On balance sheet	5,823	23,193
Sequoia | Sequoia securities | Short Term Borrowing Agreement | Line of Credit
Short-term Debt [Line Items]
Trading securities pledged as collateral	61,525	63,105
Freddie Mac K-Series | Sequoia securities | Short Term Borrowing Agreement | Line of Credit
Short-term Debt [Line Items]
Trading securities pledged as collateral	31,657	28,255
Residential loans, held-for-sale, at fair value | Line of Credit
Short-term Debt [Line Items]
Loan pledged as collateral	1,838,797	156,355
Business Purpose Loans | Line of Credit
Short-term Debt [Line Items]
Loan pledged as collateral	$ 167,687	$ 127,029

Short-Term Debt - Additional In

Short-Term Debt - Additional Information (Details) - USD ($)	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Short-term Debt [Line Items]
Average balance of short-term debt	$ 1,670,000,000	$ 1,190,000,000
Accrued interest payable on short-term debt	2,000,000	1,000,000
Committed line of credit	10,000,000
Collateral at fair value	1,000,000
Committed line of credit with financial institutions, outstanding	0	$ 0
Servicer advance financing
Short-term Debt [Line Items]
Accrued interest payable on short-term debt	200,000
Unamortized capitalized commitment costs	$ 1,000,000

Short-Term Debt - Remaining Mat

Short-Term Debt - Remaining Maturities of Short Term Debt (Details) - USD ($) $ in Thousands		Dec. 31, 2021	Dec. 31, 2020
Short-term Debt [Line Items]
Short-term debt	[1]	$ 2,177,362	$ 522,609
Within 30 days
Short-term Debt [Line Items]
Short-term debt		145,718
31 to 90 days
Short-term Debt [Line Items]
Short-term debt		1,157,188
Over 90 days
Short-term Debt [Line Items]
Short-term debt		874,456
Line of Credit
Short-term Debt [Line Items]
Short-term debt		1,882,915	314,234
Line of Credit | Held-for-sale residential loans
Short-term Debt [Line Items]
Short-term debt		1,669,344	137,269
Line of Credit | Business Purpose Loans
Short-term Debt [Line Items]
Short-term debt		138,746
Line of Credit | Real estate securities
Short-term Debt [Line Items]
Short-term debt		74,825
Line of Credit | Within 30 days
Short-term Debt [Line Items]
Short-term debt		145,718
Line of Credit | Within 30 days | Held-for-sale residential loans
Short-term Debt [Line Items]
Short-term debt		101,885
Line of Credit | Within 30 days | Business Purpose Loans
Short-term Debt [Line Items]
Short-term debt		0
Line of Credit | Within 30 days | Real estate securities
Short-term Debt [Line Items]
Short-term debt		43,833
Line of Credit | 31 to 90 days
Short-term Debt [Line Items]
Short-term debt		1,157,188
Line of Credit | 31 to 90 days | Held-for-sale residential loans
Short-term Debt [Line Items]
Short-term debt		1,022,271
Line of Credit | 31 to 90 days | Business Purpose Loans
Short-term Debt [Line Items]
Short-term debt		103,925
Line of Credit | 31 to 90 days | Real estate securities
Short-term Debt [Line Items]
Short-term debt		30,992
Line of Credit | Over 90 days
Short-term Debt [Line Items]
Short-term debt		580,009
Line of Credit | Over 90 days | Held-for-sale residential loans
Short-term Debt [Line Items]
Short-term debt		545,188
Line of Credit | Over 90 days | Business Purpose Loans
Short-term Debt [Line Items]
Short-term debt		34,821
Line of Credit | Over 90 days | Real estate securities
Short-term Debt [Line Items]
Short-term debt		0
Servicer advance financing
Short-term Debt [Line Items]
Short-term debt		294,447	$ 208,375
Servicer advance financing | Within 30 days
Short-term Debt [Line Items]
Short-term debt		0
Servicer advance financing | 31 to 90 days
Short-term Debt [Line Items]
Short-term debt		0
Servicer advance financing | Over 90 days
Short-term Debt [Line Items]
Short-term debt		$ 294,447
[1]	Our consolidated balance sheets include assets of consolidated variable interest entities (“VIEs”) that can only be used to settle obligations of these VIEs and liabilities of consolidated VIEs for which creditors do not have recourse to Redwood Trust, Inc. or its affiliates. At December 31, 2021 and 2020, assets of consolidated VIEs totaled $10,661,081 and $8,141,069, respectively. At December 31, 2021 and 2020, liabilities of consolidated VIEs totaled $9,619,347 and $7,148,414, respectively. See Note 4 for further discussion.

Asset-Backed Securities Issue_2

Asset-Backed Securities Issued - Components of Asset-Backed Securities Issued by Consolidated Securitization Entities Sponsored, Along With Other Selected Information (Details)	Dec. 31, 2021USD ($)series	Dec. 31, 2020USD ($)series
Debt Instrument [Line Items]
Certificates	$ 1,650,576,000	$ 1,441,331,000
Long-term debt	1,640,833,000	1,425,485,000
Asset-backed securities issued
Debt Instrument [Line Items]
Long-term debt	9,253,557,000	7,100,661,000
Asset-backed securities issued | Revision of Prior Period, Accounting Standards Update, Adjustment
Debt Instrument [Line Items]
Long-term debt	34,092,000	257,778,000
Asset-backed securities issued | Certificates with principal balance
Debt Instrument [Line Items]
Certificates	8,970,474,000	6,637,905,000
Asset-backed securities issued | Interest-only certificates
Debt Instrument [Line Items]
Certificates	248,991,000	204,978,000
Asset-backed securities issued | Legacy Sequoia
Debt Instrument [Line Items]
Long-term debt	$ 227,881,000	$ 282,326,000
Number of Series | series	20	20
Asset-backed securities issued | Legacy Sequoia | Revision of Prior Period, Accounting Standards Update, Adjustment
Debt Instrument [Line Items]
Long-term debt	$ (32,243,000)	$ (47,805,000)
Asset-backed securities issued | Legacy Sequoia | Minimum
Debt Instrument [Line Items]
Range of weighted average interest rates, by series (as a percent)	0.23%	0.35%
Asset-backed securities issued | Legacy Sequoia | Maximum
Debt Instrument [Line Items]
Range of weighted average interest rates, by series (as a percent)	1.44%	1.55%
Asset-backed securities issued | Legacy Sequoia | Certificates with principal balance
Debt Instrument [Line Items]
Certificates	$ 259,505,000	$ 329,039,000
Asset-backed securities issued | Legacy Sequoia | Interest-only certificates
Debt Instrument [Line Items]
Certificates	619,000	1,092,000
Asset-backed securities issued | Sequoia
Debt Instrument [Line Items]
Long-term debt	$ 3,383,048,000	$ 1,347,357,000
Number of Series | series	16	10
Asset-backed securities issued | Sequoia | Revision of Prior Period, Accounting Standards Update, Adjustment
Debt Instrument [Line Items]
Long-term debt	$ (2,774,000)	$ 32,809,000
Asset-backed securities issued | Sequoia | Minimum
Debt Instrument [Line Items]
Range of weighted average interest rates, by series (as a percent)	2.40%	2.25%
Asset-backed securities issued | Sequoia | Maximum
Debt Instrument [Line Items]
Range of weighted average interest rates, by series (as a percent)	5.03%	5.04%
Asset-backed securities issued | Sequoia | Certificates with principal balance
Debt Instrument [Line Items]
Certificates	$ 3,353,073,000	$ 1,309,957,000
Asset-backed securities issued | Sequoia | Interest-only certificates
Debt Instrument [Line Items]
Certificates	32,749,000	4,591,000
Asset-backed securities issued | CAFL(1)
Debt Instrument [Line Items]
Long-term debt	$ 3,474,898,000	$ 3,013,093,000
Number of Series | series	16	14
Asset-backed securities issued | CAFL(1) | Revision of Prior Period, Accounting Standards Update, Adjustment
Debt Instrument [Line Items]
Long-term debt	$ 16,407,000	$ 133,734,000
Asset-backed securities issued | CAFL(1) | Minimum
Debt Instrument [Line Items]
Range of weighted average interest rates, by series (as a percent)	2.64%	2.68%
Asset-backed securities issued | CAFL(1) | Maximum
Debt Instrument [Line Items]
Range of weighted average interest rates, by series (as a percent)	5.24%	5.42%
Asset-backed securities issued | CAFL(1) | Certificates with principal balance
Debt Instrument [Line Items]
Certificates	$ 3,264,766,000	$ 2,716,425,000
Asset-backed securities issued | CAFL(1) | Interest-only certificates
Debt Instrument [Line Items]
Certificates	193,725,000	162,934,000
Asset-backed securities issued | Freddie Mac SLST(1)
Debt Instrument [Line Items]
Long-term debt	$ 1,588,463,000	$ 1,993,919,000
Number of Series | series	3	3
Debt instrument, face amount	$ 145,000,000	$ 205,000,000
Asset-backed securities issued | Freddie Mac SLST(1) | Revision of Prior Period, Accounting Standards Update, Adjustment
Debt Instrument [Line Items]
Long-term debt	$ 41,111,000	$ 104,439,000
Asset-backed securities issued | Freddie Mac SLST(1) | Minimum
Debt Instrument [Line Items]
Range of weighted average interest rates, by series (as a percent)	3.50%	3.50%
Asset-backed securities issued | Freddie Mac SLST(1) | Maximum
Debt Instrument [Line Items]
Range of weighted average interest rates, by series (as a percent)	4.75%	4.75%
Asset-backed securities issued | Freddie Mac SLST(1) | Certificates with principal balance
Debt Instrument [Line Items]
Certificates	$ 1,535,638,000	$ 1,866,145,000
Asset-backed securities issued | Freddie Mac SLST(1) | Interest-only certificates
Debt Instrument [Line Items]
Certificates	11,714,000	23,335,000
Asset-backed securities issued | Freddie Mac K-Series
Debt Instrument [Line Items]
Long-term debt	$ 441,857,000	$ 463,966,000
Range of weighted average interest rates, by series (as a percent)	3.41%
Number of Series | series	1	1
Asset-backed securities issued | Freddie Mac K-Series | Revision of Prior Period, Accounting Standards Update, Adjustment
Debt Instrument [Line Items]
Long-term debt	$ 12,973,000	$ 34,601,000
Asset-backed securities issued | Freddie Mac K-Series | Minimum
Debt Instrument [Line Items]
Range of weighted average interest rates, by series (as a percent)		3.39%
Asset-backed securities issued | Freddie Mac K-Series | Maximum
Debt Instrument [Line Items]
Range of weighted average interest rates, by series (as a percent)		3.39%
Asset-backed securities issued | Freddie Mac K-Series | Certificates with principal balance
Debt Instrument [Line Items]
Certificates	418,700,000	$ 416,339,000
Asset-backed securities issued | Freddie Mac K-Series | Interest-only certificates
Debt Instrument [Line Items]
Certificates	10,184,000	13,026,000
Asset-backed securities issued | Point HEI
Debt Instrument [Line Items]
Long-term debt	$ 137,410,000	$ 0
Range of weighted average interest rates, by series (as a percent)	3.31%
Number of Series | series	1	0
Asset-backed securities issued | Point HEI | Revision of Prior Period, Accounting Standards Update, Adjustment
Debt Instrument [Line Items]
Long-term debt	$ (1,382,000)	$ 0
Asset-backed securities issued | Point HEI | Certificates with principal balance
Debt Instrument [Line Items]
Certificates	138,792,000	0
Asset-backed securities issued | Point HEI | Interest-only certificates
Debt Instrument [Line Items]
Certificates	0	$ 0
Asset-backed securities issued | CoreVest
Debt Instrument [Line Items]
Debt instrument, face amount	$ 270,000,000

Asset-Backed Securities Issue_3

Asset-Backed Securities Issued - Additional Information (Details) - USD ($)		3 Months Ended	12 Months Ended
		Sep. 30, 2020	Dec. 31, 2021	Dec. 31, 2052	Mar. 31, 2029	Jul. 31, 2023	Sep. 30, 2021	Dec. 31, 2020
Debt Instrument [Line Items]
Other assets	[1]		$ 231,117,000					$ 130,588,000
VIE, ownership interest rate (as a percent)			80.00%
Variable Interest Entity, Primary Beneficiary
Debt Instrument [Line Items]
Other assets			$ 41,826,000					9,937,000
Variable Interest Entity, Primary Beneficiary | Point HEI
Debt Instrument [Line Items]
Amortized cost							$ 146,000,000
CoreVest | Variable Interest Entity, Primary Beneficiary
Debt Instrument [Line Items]
Amortized cost							$ 270,000,000
Freddie Mac SLST(1) | Variable Interest Entity, Primary Beneficiary
Debt Instrument [Line Items]
Amortized cost		$ 210,000,000
Other assets			2,028,000					646,000
Asset-backed Securities | Variable Interest Entity, Primary Beneficiary
Debt Instrument [Line Items]
Debt instrument, face amount			143,000,000
Debt discount			$ 2,000,000
Debt instrument, interest rate (as a percent)			4.75%
VIE, ownership interest rate (as a percent)		100.00%
Asset-backed Securities | Variable Interest Entity, Primary Beneficiary | Forecast
Debt Instrument [Line Items]
Debt instrument, interest rate (as a percent)				2.00%	2.00%	7.75%
Asset-backed Securities | CoreVest
Debt Instrument [Line Items]
Debt instrument, face amount			$ 270,000,000
Bridge loan			278,000,000
Other assets			13,000,000
Restricted cash			15,000,000
Securitized asset backed securities, borrowing capacity			300,000,000
Asset-backed Securities | CoreVest | Variable Interest Entity, Primary Beneficiary
Debt Instrument [Line Items]
Debt instrument, face amount			267,000,000
Debt discount			$ 3,000,000
Debt instrument, interest rate (as a percent)			2.34%
Asset-backed Securities | Freddie Mac SLST(1)
Debt Instrument [Line Items]
Debt instrument, face amount			$ 145,000,000					$ 205,000,000
Contractual maturities of over five years | Asset-backed Securities
Debt Instrument [Line Items]
Contractual maturities of ABS (in years)			5 years
[1]	Our consolidated balance sheets include assets of consolidated variable interest entities (“VIEs”) that can only be used to settle obligations of these VIEs and liabilities of consolidated VIEs for which creditors do not have recourse to Redwood Trust, Inc. or its affiliates. At December 31, 2021 and 2020, assets of consolidated VIEs totaled $10,661,081 and $8,141,069, respectively. At December 31, 2021 and 2020, liabilities of consolidated VIEs totaled $9,619,347 and $7,148,414, respectively. See Note 4 for further discussion.

Asset-Backed Securities Issue_4

Asset-Backed Securities Issued - Accrued Interest Payable (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Debt Instrument [Line Items]
Amortization of deferred ABS issuance costs	$ 25,401	$ 21,793
Freddie Mac SLST(1)
Debt Instrument [Line Items]
Amortization of deferred ABS issuance costs	4,630	5,656
Freddie Mac K-Series
Debt Instrument [Line Items]
Amortization of deferred ABS issuance costs	1,190	1,177
CAFL(1)
Debt Instrument [Line Items]
Amortization of deferred ABS issuance costs	11,030	10,122
Asset-backed securities issued | Legacy Sequoia
Debt Instrument [Line Items]
Amortization of deferred ABS issuance costs	99	141
Asset-backed securities issued | Sequoia
Debt Instrument [Line Items]
Amortization of deferred ABS issuance costs	$ 8,452	$ 4,697

Long-Term Debt - Schedule of Co

Long-Term Debt - Schedule of Components of Long-Term Debt (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Jun. 30, 2021	Dec. 31, 2021	Dec. 31, 2020	Sep. 30, 2019	Jun. 30, 2018	Aug. 31, 2017
Debt Instrument [Line Items]
Borrowings		$ 1,650,576	$ 1,441,331
Unamortized Deferred Issuance Costs / Discount		(9,743)	(15,846)
Net Carrying Value		1,640,833	1,425,485
Line of Credit
Debt Instrument [Line Items]
Borrowings		990,155	779,910
Unamortized Deferred Issuance Costs / Discount		(1,672)	(5,184)
Net Carrying Value		988,483	774,726
Trust Preferred Securities and Subordinated Notes
Debt Instrument [Line Items]
Borrowings		139,500	139,500
Unamortized Deferred Issuance Costs / Discount		(779)	(826)
Net Carrying Value		$ 138,721	$ 138,674
Trust Preferred Securities and Subordinated Notes | LIBOR
Debt Instrument [Line Items]
Basis spread on variable rate (as a percent)		2.25%	2.25%
Non-Marginable Debt Repurchase Agreement One | Recourse Subordinate Securities Financing | Affiliated Entity
Debt Instrument [Line Items]
Borrowings		$ 144,385	$ 178,167
Unamortized Deferred Issuance Costs / Discount		(313)	(729)
Net Carrying Value		$ 144,072	$ 177,438
Weighted Average Interest Rate (as a percent)		4.21%	4.21%
Non-Marginable Debt Repurchase Agreement Two | Recourse Subordinate Securities Financing | Affiliated Entity
Debt Instrument [Line Items]
Borrowings		$ 102,351	$ 102,856
Unamortized Deferred Issuance Costs / Discount		(353)	(656)
Net Carrying Value		$ 101,998	$ 102,200
Weighted Average Interest Rate (as a percent)		4.21%	4.21%
Facility B | Recourse Subordinate Securities Financing | Affiliated Entity
Debt Instrument [Line Items]
Borrowings		$ 91,707
Unamortized Deferred Issuance Costs / Discount		(376)
Net Carrying Value		$ 91,331
Weighted Average Interest Rate (as a percent)		4.75%
Non-Recourse Business Purpose Loan Financing Facility One | Non-Recourse Business Purpose Loans
Debt Instrument [Line Items]
Borrowings			$ 251,721
Unamortized Deferred Issuance Costs / Discount			(2,452)
Net Carrying Value			249,269
Limit			$ 372,248
Non-Recourse Business Purpose Loan Financing Facility One | Non-Recourse Business Purpose Loans | LIBOR
Debt Instrument [Line Items]
Basis spread on variable rate (as a percent)			7.50%
Non-Recourse Business Purpose Loan Financing Facility Two | Non-Recourse Business Purpose Loans
Debt Instrument [Line Items]
Borrowings			$ 115,081
Unamortized Deferred Issuance Costs / Discount			(666)
Net Carrying Value			114,415
Limit			$ 185,240
Non-Recourse Business Purpose Loan Financing Facility Two | Non-Recourse Business Purpose Loans | LIBOR
Debt Instrument [Line Items]
Basis spread on variable rate (as a percent)	2.75%		3.85%
Non-Recourse Business Purpose Loan Financing Facility Two | Line of Credit
Debt Instrument [Line Items]
Borrowings		$ 307,215
Unamortized Deferred Issuance Costs / Discount		(507)
Net Carrying Value		306,708
Limit		$ 400,000
Non-Recourse Business Purpose Loan Financing Facility Two | Line of Credit | LIBOR
Debt Instrument [Line Items]
Basis spread on variable rate (as a percent)		2.75%
Recourse BPL Financing, Facility D | Line of Credit
Debt Instrument [Line Items]
Borrowings		$ 110,148	$ 80,135
Unamortized Deferred Issuance Costs / Discount		0	(193)
Net Carrying Value		110,148	79,942
Limit		$ 450,000	$ 250,000
Recourse BPL Financing, Facility D | Line of Credit | LIBOR
Debt Instrument [Line Items]
Basis spread on variable rate (as a percent)		3.35%	3.00%
Recourse Business Purpose Loan Financing Facility Through September 2023 | Line of Credit
Debt Instrument [Line Items]
Borrowings		$ 234,349
Unamortized Deferred Issuance Costs / Discount		(123)
Net Carrying Value		234,226
Limit		$ 450,000
Recourse Business Purpose Loan Financing Facility Through September 2023 | Line of Credit | LIBOR
Debt Instrument [Line Items]
Basis spread on variable rate (as a percent)	3.35%	2.21%
FHLBC Borrowing Facility
Debt Instrument [Line Items]
Borrowings			$ 1,000
Unamortized Deferred Issuance Costs / Discount			0
Net Carrying Value			1,000
Limit			$ 1,000
Weighted Average Interest Rate (as a percent)			0.30%
Senior Notes Due 2023 | Convertible notes
Debt Instrument [Line Items]
Borrowings		$ 198,629	$ 198,629
Unamortized Deferred Issuance Costs / Discount		(1,836)	(2,862)
Net Carrying Value		$ 196,793	$ 195,767
Weighted Average Interest Rate (as a percent)		4.75%	4.75%			4.75%
Senior Notes Due 2024 | Convertible notes
Debt Instrument [Line Items]
Borrowings		$ 150,200	$ 150,200
Unamortized Deferred Issuance Costs / Discount		(2,072)	(2,815)
Net Carrying Value		$ 148,128	$ 147,385
Weighted Average Interest Rate (as a percent)		5.625%	5.625%	5.625%	5.625%
Exchangeable Senior Notes Due 2025 | Convertible notes
Debt Instrument [Line Items]
Borrowings		$ 172,092	$ 172,092
Unamortized Deferred Issuance Costs / Discount		(3,384)	(4,159)
Net Carrying Value		$ 168,708	$ 167,933
Weighted Average Interest Rate (as a percent)		5.75%	5.75%	5.75%
Recourse BPL Financing, Facility C | Line of Credit
Debt Instrument [Line Items]
Borrowings			$ 51,950
Unamortized Deferred Issuance Costs / Discount			(488)
Net Carrying Value			51,462
Limit			$ 350,000
Recourse BPL Financing, Facility C | Line of Credit | LIBOR
Debt Instrument [Line Items]
Basis spread on variable rate (as a percent)			3.00%

Long-Term Debt - Schedule of _2

Long-Term Debt - Schedule of Collateral for Long-Term Debt (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Debt Instrument [Line Items]
Collateral amounts	$ 1,306,932	$ 1,084,929
Bridge Loan
Debt Instrument [Line Items]
Collateral amounts	554,597	544,151
Residential Real Estate
Debt Instrument [Line Items]
Collateral amounts	244,703	154,774
Commercial Real Estate
Debt Instrument [Line Items]
Collateral amounts	507,632	363,490
Commercial Real Estate | Non-Marginable Debt Repurchase Agreement One | Affiliated Entity
Debt Instrument [Line Items]
Collateral amounts	247,227	249,446
Commercial Real Estate | Non-Marginable Debt Repurchase Agreement Two | Affiliated Entity
Debt Instrument [Line Items]
Collateral amounts	260,405	114,044
Other BPL investments
Debt Instrument [Line Items]
Collateral amounts	0	21,414
Restricted cash
Debt Instrument [Line Items]
Collateral amounts	$ 0	$ 1,100

Long-Term Debt - Schedule of Ac

Long-Term Debt - Schedule of Accrued Interest Payable on Long Term Debt (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020	Sep. 30, 2019	Jun. 30, 2018	Aug. 31, 2017
Debt Instrument [Line Items]
Accrued interest payable	$ 39,297	$ 34,858
Line of Credit
Debt Instrument [Line Items]
Accrued interest payable	815	1,799
Convertible notes | Senior Notes Due 2023
Debt Instrument [Line Items]
Accrued interest payable	$ 3,564	$ 3,564
Debt instrument, interest rate (as a percent)	4.75%	4.75%			4.75%
Convertible notes | Senior Notes Due 2024
Debt Instrument [Line Items]
Accrued interest payable	$ 3,896	$ 3,896
Debt instrument, interest rate (as a percent)	5.625%	5.625%	5.625%	5.625%
Convertible notes | Exchangeable Senior Notes Due 2025
Debt Instrument [Line Items]
Accrued interest payable	$ 2,474	$ 2,474
Debt instrument, interest rate (as a percent)	5.75%	5.75%	5.75%
Subordinated Debt
Debt Instrument [Line Items]
Accrued interest payable	$ 581	$ 669
Long-term Debt
Debt Instrument [Line Items]
Accrued interest payable	$ 11,330	$ 12,402

Long-Term Debt - Additional Inf

Long-Term Debt - Additional Information (Details)	Dec. 31, 2019	Sep. 30, 2019USD ($)	Jun. 30, 2018USD ($)	Aug. 31, 2017USD ($)$ / shares	Sep. 30, 2021	Jun. 30, 2021	Sep. 30, 2020	Jun. 30, 2020USD ($)	Mar. 31, 2020	Dec. 31, 2021USD ($)$ / shares	Dec. 31, 2019	Dec. 31, 2020USD ($)
Debt Instrument [Line Items]
Long-term debt, net										$ 1,640,833,000		$ 1,425,485,000
Borrowings										1,650,576,000		1,441,331,000
Accrued interest payable										$ 39,297,000		$ 34,858,000
Non-Recourse Business Purpose Loan Financing Facility One | LIBOR | Minimum
Debt Instrument [Line Items]
Basis spread on variable rate (as a percent)							0.50%
Non-Recourse Business Purpose Loan Financing Facility Two | LIBOR | Minimum
Debt Instrument [Line Items]
Basis spread on variable rate (as a percent)								1.50%
Recourse Business Purpose Loan Financing Facility
Debt Instrument [Line Items]
Maximum borrowing capacity								$ 350,000,000
Convertible notes | Exchangeable Senior Notes Due 2025
Debt Instrument [Line Items]
Debt instrument, face amount		$ 201,000,000
Debt instrument, interest rate (as a percent)		5.75%								5.75%		5.75%
Net proceeds from issuance of convertible debt		$ 195,000,000
Interest expense yield		6.30%
Convertible debt, conversion ratio	0.0552644
Convertible senior notes conversion per share (in dollars per share) | $ / shares										$ 18.09
Repurchased debt instrument, face amount								29,000,000
Gain (loss) on extinguishment of debt								6,000,000
Long-term debt, net										$ 168,708,000		$ 167,933,000
Borrowings										172,092,000		172,092,000
Accrued interest payable										$ 2,474,000		$ 2,474,000
Convertible notes | Senior Notes Due 2024
Debt Instrument [Line Items]
Debt instrument, face amount			$ 200,000,000
Debt instrument, interest rate (as a percent)		5.625%	5.625%							5.625%		5.625%
Net proceeds from issuance of convertible debt			$ 194,000,000
Interest expense yield			6.20%
Convertible debt, conversion ratio			0.0548317
Convertible senior notes conversion per share (in dollars per share) | $ / shares										$ 18.24
Repurchased debt instrument, face amount								50,000,000
Gain (loss) on extinguishment of debt								9,000,000
Percent of par at issuance			99.50%
Long-term debt, net										$ 148,128,000		$ 147,385,000
Borrowings										150,200,000		150,200,000
Accrued interest payable										$ 3,896,000		$ 3,896,000
Convertible notes | Senior Notes Due 2023
Debt Instrument [Line Items]
Debt instrument, face amount				$ 245,000,000
Debt instrument, interest rate (as a percent)				4.75%						4.75%		4.75%
Net proceeds from issuance of convertible debt				$ 238,000,000
Interest expense yield				5.30%
Convertible debt, conversion ratio				0.0544764
Convertible senior notes conversion per share (in dollars per share) | $ / shares				$ 18.36
Repurchased debt instrument, face amount								46,000,000
Gain (loss) on extinguishment of debt								$ 10,000,000
Long-term debt, net										$ 196,793,000		$ 195,767,000
Borrowings										198,629,000		198,629,000
Accrued interest payable										3,564,000		3,564,000
Trust preferred securities
Debt Instrument [Line Items]
Long-term debt, net										$ 100,000,000
Trust preferred securities | LIBOR
Debt Instrument [Line Items]
Basis spread on variable rate (as a percent)										2.25%
Subordinated Notes
Debt Instrument [Line Items]
Long-term debt, net										$ 40,000,000
Line of Credit
Debt Instrument [Line Items]
Long-term debt, net										988,483,000		774,726,000
Borrowings										990,155,000		779,910,000
Accrued interest payable										815,000		$ 1,799,000
Line of Credit | Non-Recourse Business Purpose Loan Financing Facility Two
Debt Instrument [Line Items]
Maximum borrowing capacity										400,000,000
Long-term debt, net										306,708,000
Borrowings										$ 307,215,000
Line of Credit | Non-Recourse Business Purpose Loan Financing Facility Two | LIBOR
Debt Instrument [Line Items]
Basis spread on variable rate (as a percent)										2.75%
Line of Credit | Recourse Business Purpose Loan Financing Facility Through September 2023
Debt Instrument [Line Items]
Maximum borrowing capacity										$ 450,000,000
Long-term debt, net										234,226,000
Borrowings										$ 234,349,000
Line of Credit | Recourse Business Purpose Loan Financing Facility Through September 2023 | LIBOR
Debt Instrument [Line Items]
Basis spread on variable rate (as a percent)						3.35%				2.21%
Line of Credit | Recourse Business Purpose Loan Financing Facility | LIBOR
Debt Instrument [Line Items]
Basis spread on variable rate (as a percent)								2.75%
Bridge Loan
Debt Instrument [Line Items]
Borrowings										$ 708,000,000
Affiliated Entity | Recourse Subordinate Securities Financing | Non-Marginable Debt Repurchase Agreement One
Debt Instrument [Line Items]
Debt instrument, interest rate (as a percent)										4.21%		4.21%
Long-term debt, net										$ 144,072,000		$ 177,438,000
Borrowings										$ 144,385,000		$ 178,167,000
Affiliated Entity | Recourse Subordinate Securities Financing | Non-Marginable Debt Repurchase Agreement Two
Debt Instrument [Line Items]
Debt instrument, interest rate (as a percent)										4.21%		4.21%
Long-term debt, net										$ 101,998,000		$ 102,200,000
Borrowings										$ 102,351,000		$ 102,856,000
Redwood | Recourse Subordinate Securities Financing Receivable
Debt Instrument [Line Items]
Long-term Debt, Weighted Average Interest Rate, over Time											4.21%
Redwood | Affiliated Entity | CAFL(1) | Recourse Subordinate Securities Financing Receivable
Debt Instrument [Line Items]
Long-term Debt, Weighted Average Interest Rate, over Time					4.75%				4.21%

Commitments and Contingencies -

Commitments and Contingencies - Additional Information (Details) $ in Thousands		3 Months Ended	12 Months Ended
		Dec. 31, 2018partnership	Dec. 31, 2021USD ($)leaseloanrepurchase_request	Dec. 31, 2020USD ($)repurchase_requestloan	Dec. 31, 2019USD ($)loan	Dec. 31, 2016USD ($)	Dec. 31, 2015USD ($)
Loss Contingencies [Line Items]
Lessee, number of leases | lease			7
Present value of remaining lease payments			$ 24,454
Operating lease expense			4,000	$ 4,000	$ 3,000
Unamortized leasehold improvements			3,000
Leasehold amortization expense			$ 500	500	400
Number of new leases | lease			2
Lease liability			$ 20,960	$ 16,687
Operating Lease, Liability, Statement of Financial Position [Extensible List]			Accounts Payable and Accrued Liabilities	Accounts Payable and Accrued Liabilities
Operating lease right-of-use assets			$ 18,772	$ 15,012
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration]			Other assets	Other assets
Weighted average remaining lease term			6 years
Discount rate (as a percent)			5.10%
Derivative liabilities	[1]		$ 3,317	$ 16,072
Net market valuation adjustments			321,433	(541,399)	97,006
Number of partnerships, committed to fund | partnership		2
Risk share income			2,815	4,367	$ 3,522
Guarantee obligations			7,459	10,039
Guarantee obligation, credit reserve			5,000
SPE, assets			34,000	46,000
SPE, liabilities			7,000	10,000
Residential loan and MSR repurchase reserve			$ 9,306	$ 8,631
Residential loans repurchase requests | repurchase_request			4	10
Residential loans, number of loans repurchased | loan			2	1	0
Residential loans repurchase provision (reversal)			$ 1,000	$ (4,000)	$ 100
Residential loans repurchased during period			200	100	0
Aggregate amount of loss contingency reserves			2,000
Residential Loan Seller Demands
Loss Contingencies [Line Items]
Expenses from litigation recorded				10,000
Aggregate amount of accrual			500
Residential Loans
Loss Contingencies [Line Items]
Unpaid principal balance			1,813,865	172,748
Loans, at fair value			1,845,282	176,641
Financing Receivables, Equal to Greater than 90 Days Past Due | Residential Loans
Loss Contingencies [Line Items]
Loans, at fair value			2,923	1,882
Mortgage Banking And Investment Activities
Loss Contingencies [Line Items]
Market valuation changes in fair value of guarantee asset			100	1,000	$ 200
Guarantee Obligations
Loss Contingencies [Line Items]
Original principal balance of loans sold subject to risk sharing agreement						$ 3,190,000	$ 3,190,000
Potential future payments on risk sharing agreements			44,000
Unpaid principal balance			$ 552,000
FICO credit score			756
Loan to value ratio			74.00%
Guarantee Obligations | Residential Loans
Loss Contingencies [Line Items]
Loans held as assets amount in foreclosure			$ 200
Guarantee Obligations | Financing Receivables, Equal to Greater than 90 Days Past Due
Loss Contingencies [Line Items]
Loans, at fair value			18,000
Commitment To Fund Residential Bridge Loan
Loss Contingencies [Line Items]
Commitments to fund temporary advances			625,000
Derivative liabilities			1,000	2,000
Net market valuation adjustments			1,000	$ (2,000)
Commitments To Fund Point Options
Loss Contingencies [Line Items]
Commitments to fund temporary advances			$ 94,000
[1]	Our consolidated balance sheets include assets of consolidated variable interest entities (“VIEs”) that can only be used to settle obligations of these VIEs and liabilities of consolidated VIEs for which creditors do not have recourse to Redwood Trust, Inc. or its affiliates. At December 31, 2021 and 2020, assets of consolidated VIEs totaled $10,661,081 and $8,141,069, respectively. At December 31, 2021 and 2020, liabilities of consolidated VIEs totaled $9,619,347 and $7,148,414, respectively. See Note 4 for further discussion.

Commitments and Contingencies_2

Commitments and Contingencies - Future Lease Commitments (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Leases [Abstract]
2022	$ 4,163
2023	4,428
2024	4,338
2025	3,552
2026	3,420
2027	4,553
Total Lease Commitments	24,454
Less: Imputed interest	(3,494)
Operating Lease Liabilities	$ 20,960	$ 16,687

Equity - Changes to Accumulated

Equity - Changes to Accumulated Other Comprehensive Income (Loss) by Component (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Balance at beginning of period	$ 1,110,899	$ 1,827,231	$ 1,348,794
Total other comprehensive loss	(4,706)	(45,734)	(19,784)
Balance at End of Period	1,386,087	1,110,899	1,827,231
Net Unrealized Gains on Available-for-Sale Securities
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Balance at beginning of period	76,336	92,452
Other comprehensive income (loss) before reclassifications	8,016	(3,951)
Amounts reclassified from other accumulated comprehensive income (loss)	(16,849)	(12,165)
Total other comprehensive loss	(8,833)	(16,116)
Balance at End of Period	67,503	76,336	92,452
Net Unrealized Losses on Interest Rate Agreements Accounted for as Cash Flow Hedges
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Balance at beginning of period	(80,557)	(50,939)
Other comprehensive income (loss) before reclassifications	0	(32,806)
Amounts reclassified from other accumulated comprehensive income (loss)	4,127	3,188
Total other comprehensive loss	4,127	(29,618)
Balance at End of Period	$ (76,430)	$ (80,557)	$ (50,939)

Equity - Reclassifications out

Equity - Reclassifications out of Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Investment fair value changes, net	$ 128,049	$ (588,438)	$ 35,500
Realized gains, net	(17,993)	(30,424)	(23,821)
Net income before provision for income taxes	338,091	(586,455)	176,623
Interest expense	426,749	448,005	$ 479,808
Reclassification out of Accumulated Other Comprehensive Income | Net Unrealized Gains on Available-for-Sale Securities
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Investment fair value changes, net	(388)	388
Realized gains, net	(16,461)	(12,553)
Net income before provision for income taxes	(16,849)	(12,165)
Reclassification out of Accumulated Other Comprehensive Income | Net Unrealized Losses on Interest Rate Agreements Accounted for as Cash Flow Hedges
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Net income before provision for income taxes	4,127	3,188
Interest expense	$ 4,127	$ 3,188

Equity - Additional Information

Equity - Additional Information (Details) - USD ($)	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019	Mar. 31, 2020	Dec. 31, 2018	Feb. 28, 2018
Stockholders Equity Note [Line Items]
Net proceeds from issuance of common stock	$ 21,944,000	$ 5,881,000	$ 450,710,000
Amount of shares repurchased during period	0	$ 21,659,000	$ 0
Share Repurchase Plan, February 2018
Stockholders Equity Note [Line Items]
Stock repurchase program, authorized amount						$ 100,000,000
Shares repurchased during period (in shares)		3,047,335
Amount of shares repurchased during period		$ 22,000,000
Stock repurchase program, remaining authorized repurchase amount	$ 78,000,000
Convertible debt securities
Stockholders Equity Note [Line Items]
Securities excluded in the calculation of diluted earnings per share	31,306,089
Equity awards
Stockholders Equity Note [Line Items]
Securities excluded in the calculation of diluted earnings per share	18,736	12,622	10,051
ATM Offerings | Common Stock
Stockholders Equity Note [Line Items]
Aggregate value of common stock issuable				$ 175,000,000	$ 150,000,000
Issuance of common stock (in shares)	1,578,554	129,500
Net proceeds from issuance of common stock	$ 20,000,000	$ 2,000,000
Outstanding for future offerings, amount	90,000,000
Direct Stock Purchases and Dividend Reinvestment Plan | Common Stock
Stockholders Equity Note [Line Items]
Net proceeds from issuance of common stock	$ 1,000,000
Remaining shares outstanding for future offerings (in shares)	6,000,000
Common Stock
Stockholders Equity Note [Line Items]
Issuance of common stock (in shares)	2,503,662	350,088	28,724,645
Direct stock purchase and dividend reinvestment plan (in shares)	119,040	0	399,838
Shares repurchased during period (in shares)	0	3,047,335	0
Amount of shares repurchased during period	$ 0	$ 30,000	$ 0

Equity - Basic and Diluted Earn

Equity - Basic and Diluted Earnings Per Common Share (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Earnings Per Share [Abstract]
Net income (loss) attributable to Redwood	$ 319,613	$ (581,847)	$ 169,183
Less: Dividends and undistributed earnings allocated to participating securities	(10,635)	(1,990)	(4,797)
Net income (loss) allocated to common shareholders	$ 308,978	$ (583,837)	$ 164,386
Basic weighted average common shares outstanding (in shares)	113,230,190	113,935,605	101,120,744
Basic earnings (loss) per common share (in dollars per share)	$ 2.73	$ (5.12)	$ 1.63
Less: Dividends and undistributed earnings allocated to participating securities	$ (9,880)	$ (1,990)	$ (5,273)
Adjust for interest expense and gain on extinguishment of convertible notes for the period, net of tax	27,463	0	36,212
Net income (loss) allocated to common shareholders	$ 337,196	$ (583,837)	$ 200,122
Weighted average common shares outstanding (in shares)	113,230,190	113,935,605	101,147,225
Net effect of dilutive equity awards (in shares)	273,236	0	251,100
Net effect of assumed convertible notes conversion to common shares (in shares)	28,566,875	0	35,382,269
Diluted weighted average common shares outstanding (in shares)	142,070,301	113,935,605	136,780,594
Diluted earnings (loss) per common share (in dollars per share)	$ 2.37	$ (5.12)	$ 1.46

Equity Compensation Plans - Add

Equity Compensation Plans - Additional Information (Details) $ / shares in Units, $ in Thousands	Jan. 01, 2022shares	Dec. 31, 2020USD ($)$ / sharesshares	May 31, 2020	Dec. 31, 2018	May 31, 2018executive$ / sharesshares	Dec. 31, 2020USD ($)$ / sharesshares	Dec. 31, 2021USD ($)$ / sharesshares	Dec. 31, 2020USD ($)$ / sharesshares	Dec. 31, 2019USD ($)$ / sharesshares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares of common stock available for grant under Redwood's Incentive Plan (in shares)							43,225
Unrecognized compensation cost | $		$ 27,664				$ 27,664	$ 42,383	$ 27,664
Weighted average amortization period remaining for equity awards (in years)							2 years
Long-term incentive award expense | $							$ 19,938	$ 12,439	$ 13,402
Shares of common stock to be purchased in aggregate for all employees (in shares)							850,000
Number of shares purchased by employees (in shares)							569,728
Number of additional shares authorized									200,000
Redwood Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares of common stock available for grant under Redwood's Incentive Plan (in shares)		7,957,891				7,957,891	5,958,390	7,957,891
Restricted Stock Awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation cost | $							$ 100
Weighted average amortization period remaining for equity awards (in years)							1 year
Long-term incentive award expense | $								$ 500	$ 2,000
Number of stock awards granted (in shares)							0	0	0
Number of stock awards forfeited (in shares)							0	34,857	0
Granted (in dollars per share) | $ / shares							$ 0	$ 0	$ 0
Number of stock awards vested (in shares)							50,857	102,615	118,136
Restricted Stock Awards | Redwood Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation cost | $		$ 564				$ 564	$ 84	$ 564
Restricted Stock Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation cost | $							$ 4,000
Weighted average amortization period remaining for equity awards (in years)							2 years
Long-term incentive award expense | $							$ 2,000	$ 1,000	$ 1,000
Number of stock awards granted (in shares)							272,261	205,482	270,297
Number of stock awards forfeited (in shares)							45,343	130,155	0
Granted (in dollars per share) | $ / shares							$ 8.80	$ 16.86	$ 15.66
Number of stock awards vested (in shares)							78,270	68,076	0
Restricted Stock Units | Redwood Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation cost | $		$ 3,540				$ 3,540	$ 3,589	$ 3,540
Deferred Stock Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation cost | $							26,000
Long-term incentive award expense | $							$ 9,000	$ 8,000	$ 8,000
Unvested outstanding stock awards (in units)		1,599,019				1,599,019	2,552,186	1,599,019
Weighted-average grant date fair value of stock awards (in dollars per unit) | $ / shares		$ 13.30				$ 13.30	$ 12.07	$ 13.30
Number of stock awards granted (in shares)							1,588,862	1,186,154	733,096
Number of stock awards forfeited (in shares)							31,161	291,253	19,898
Share-based compensation, vesting period (in years)							4 years
Granted (in dollars per share) | $ / shares							$ 12.04	$ 10.69	$ 16.06
Deferred Stock Units | Redwood Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation cost | $		$ 17,766				$ 17,766	$ 26,473	$ 17,766
Performance Stock Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation cost | $							$ 12,000
Long-term incentive award expense | $								$ 100	$ 3,000
Unvested outstanding stock awards (in units)		978,735				978,735	1,473,883	978,735
Weighted-average grant date fair value of stock awards (in dollars per unit) | $ / shares		$ 10.42				$ 10.42	$ 15.68	$ 10.42	$ 17.13
Number of stock awards granted (in shares)							518,173	473,845	307,938
Number of stock awards forfeited (in shares)							0	99,175	0
Share-based compensation, vesting period (in years)							3 years
BvTSR for tranche (as a percent)							7.70%
TSR performance period (in years)									3 years
Adjustment to stock-based compensation | $							$ 1,000
Performance Stock Units | Executives
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of stock awards granted (in shares)					23,025
Stock price valuation period					60 days
Grant date fair value assumptions, volatility rate					27.00%
Grant date fair value assumptions, risk-free rate					2.71%
Grant date fair value assumptions, dividend yield					0.00%
Granted (in dollars per share) | $ / shares					$ 15.20
Number of executives granted PSUs in connection with promotions | executive					2
Performance Stock Units | Redwood Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation cost | $		$ 5,794				$ 5,794	$ 12,237	$ 5,794
Performance Stock Units | Performance Share Units (PSUs), 2020
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Grant date fair value (in dollars per share) | $ / shares							$ 15.68	$ 10.42
Grant date fair value assumptions, volatility rate							59.00%	54.00%
Grant date fair value assumptions, risk-free rate							0.98%	0.18%
Grant date fair value assumptions, dividend yield							0.00%	0.00%
TSR performance period (in years)							3 years
Performance Stock Units | Performance Share Units (PSUs), 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Grant date fair value (in dollars per share) | $ / shares								$ 17.13
Stock price valuation period									60 days
Grant date fair value assumptions, volatility rate								15.00%
Grant date fair value assumptions, risk-free rate								1.68%
Grant date fair value assumptions, dividend yield								0.00%
TSR performance period (in years)								3 years
Performance Stock Units | Performance Share Units (PSUs), 2018
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of stock awards granted (in shares)							518,173	473,845	275,831
Vesting percentage if TSR is 25%							100.00%
BvTSR for tranche (as a percent)							25.00%
Relative increase/decrease in vesting percentage based on TSR							50.00%
Vesting percentage cap if first 2 steps yield a vesting level greater than 100%				100.00%
Grant date fair value (in dollars per share) | $ / shares									$ 17.23
Grant date fair value assumptions, volatility rate									22.00%
Grant date fair value assumptions, risk-free rate									2.78%
Grant date fair value assumptions, dividend yield									0.00%
TSR performance period (in years)									3 years
Performance Stock Units | Performance Share Units (PSUs), 2018 | Subsequent Event
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of stock awards granted (in shares)	206,034
Performance Stock Units | Performance Share Units (PSUs), 2016
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of stock awards vested (in shares)						222,769
Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation, vesting period (in years)			4 years
Maximum | Deferred Stock Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Weighted average amortization period remaining for equity awards (in years)							2 years
Maximum | Performance Stock Units | Performance Share Units (PSUs), 2020
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting percentage		200.00%
Maximum | Performance Stock Units | Performance Share Units (PSUs), 2018
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting percentage		250.00%
First baseline vesting percentage				200.00%
Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation, vesting period (in years)			3 years
Minimum | Performance Stock Units | Performance Share Units (PSUs), 2020
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting percentage		0.00%
Minimum | Performance Stock Units | Performance Share Units (PSUs), 2018
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting percentage		0.00%
First baseline vesting percentage				0.00%

Equity Compensation Plans - Unr

Equity Compensation Plans - Unrecognized Compensation Cost (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2021USD ($)
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized [Roll Forward]
Unrecognized compensation cost at beginning of period	$ 27,664
Equity grants	29,237
Performance-based valuation adjustment	1,072
Equity grant forfeitures	(1,247)
Equity compensation expense	(14,343)
Unrecognized Compensation Cost at End of Period	42,383
Restricted Stock Awards
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized [Roll Forward]
Unrecognized Compensation Cost at End of Period	100
Restricted Stock Units
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized [Roll Forward]
Unrecognized Compensation Cost at End of Period	4,000
Deferred Stock Units
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized [Roll Forward]
Unrecognized Compensation Cost at End of Period	26,000
Performance Stock Units
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized [Roll Forward]
Unrecognized Compensation Cost at End of Period	12,000
Redwood Incentive Plan | Restricted Stock Awards
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized [Roll Forward]
Unrecognized compensation cost at beginning of period	564
Equity grants	0
Performance-based valuation adjustment	0
Equity grant forfeitures	(2)
Equity compensation expense	(478)
Unrecognized Compensation Cost at End of Period	84
Redwood Incentive Plan | Restricted Stock Units
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized [Roll Forward]
Unrecognized compensation cost at beginning of period	3,540
Equity grants	2,371
Performance-based valuation adjustment	0
Equity grant forfeitures	(695)
Equity compensation expense	(1,627)
Unrecognized Compensation Cost at End of Period	3,589
Redwood Incentive Plan | Deferred Stock Units
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized [Roll Forward]
Unrecognized compensation cost at beginning of period	17,766
Equity grants	18,380
Performance-based valuation adjustment	0
Equity grant forfeitures	(550)
Equity compensation expense	(9,123)
Unrecognized Compensation Cost at End of Period	26,473
Redwood Incentive Plan | Performance Stock Units
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized [Roll Forward]
Unrecognized compensation cost at beginning of period	5,794
Equity grants	8,125
Performance-based valuation adjustment	1,072
Equity grant forfeitures	0
Equity compensation expense	(2,754)
Unrecognized Compensation Cost at End of Period	12,237
Employee Stock Purchase Plan
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized [Roll Forward]
Unrecognized compensation cost at beginning of period	0
Equity grants	361
Performance-based valuation adjustment	0
Equity grant forfeitures	0
Equity compensation expense	(361)
Unrecognized Compensation Cost at End of Period	$ 0

Equity Compensation Plans - Res

Equity Compensation Plans - Restricted Stock Activity (Details) - Restricted Stock Awards - $ / shares	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Shares
Beginning of period (in shares)	78,998	216,470	334,606
Granted (in shares)	0	0	0
Vested (in shares)	(50,857)	(102,615)	(118,136)
Forfeited (in shares)	0	(34,857)	0
Balance at End of Period (in shares)	28,141	78,998	216,470
Weighted Average Grant Date Fair Market Value
Beginning of period (in dollars per share)	$ 15.23	$ 14.85	$ 14.92
Granted (in dollars per share)	0	0	0
Vested (in dollars per share)	15.50	14.44	15.05
Forfeited (in dollars per share)	0	15.16	0
Balance at End of Period (in dollars per share)	$ 14.74	$ 15.23	$ 14.85

Equity Compensation Plans - R_2

Equity Compensation Plans - Restricted Stock Units Activities (Details) - Restricted Stock Units - $ / shares	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Shares
Beginning of period (in shares)	282,424	275,173	4,876
Granted (in shares)	272,261	205,482	270,297
Vested (in shares)	(78,270)	(68,076)	0
Forfeited (in shares)	(45,343)	(130,155)	0
Balance at End of Period (in shares)	431,072	282,424	275,173
Weighted Average Grant Date Fair Market Value
Beginning of period (in dollars per share)	$ 16.09	$ 15.65	$ 15.38
Granted (in dollars per share)	8.80	16.86	15.66
Vested (in dollars per share)	15.93	15.65	0
Forfeited (in dollars per share)	15.75	16.60	0
Balance at End of Period (in dollars per share)	$ 11.55	$ 16.09	$ 15.65

Equity Compensation Plans - Def

Equity Compensation Plans - Deferred Stock Units Activity (Details) - Deferred Stock Units - $ / shares	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Units
Beginning of period (in shares)	2,805,144	2,630,805	2,336,720
Granted (in shares)	1,588,862	1,186,154	733,096
Distributions (in shares)	(340,757)	(720,562)	(419,113)
Forfeited (in shares)	(31,161)	(291,253)	(19,898)
Balance at End of Period (in shares)	4,022,088	2,805,144	2,630,805
Weighted Average Grant Date Fair Market Value
Beginning of period (in dollars per share)	$ 13.84	$ 15.66	$ 15.58
Granted (in dollars per share)	12.04	10.69	16.06
Distributions (in dollars per share)	15.82	14.31	15.96
Forfeited (in dollars per share)	17.65	16.25	15.96
Balance at End of Period (in dollars per share)	$ 12.93	$ 13.84	$ 15.66

Equity Compensation Plans - Sum

Equity Compensation Plans - Summary of Activity Related to ESPP (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Employee Stock Purchase Plan (ESPP) Activity [Roll Forward]
Balance at beginning of period	$ 17	$ 4	$ 6
Employee purchases	595	347	524
Cost of common stock issued	(605)	(334)	(526)
Balance at End of Period	$ 7	$ 17	$ 4

Equity Compensation Plans - S_2

Equity Compensation Plans - Summary of Activity Related to Executive Deferred Compensation Plan (Details) - Executive Deferred Compensation Plan - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Deferred Compensation Cash-based Arrangements, Liability, Current and Noncurrent [Roll Forward]
Balance at beginning of period	$ 2,289	$ 2,454	$ 2,484
New deferrals	1,017	726	789
Accrued interest	56	42	68
Withdrawals	(632)	(933)	(887)
Balance at End of Period	$ 2,730	$ 2,289	$ 2,454

Mortgage Banking Activities (De

Mortgage Banking Activities (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Other income, net	$ 12,018	$ 4,188	$ 19,257
Mortgage Banking Activities, Net	235,744	78,472	87,266
Residential Mortgage Banking Activities, Net
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Other income, net	5,418	(6,652)	1,735
Mortgage Banking Activities, Net	127,151	3,721	47,743
Residential Mortgage Banking Activities, Net | Residential loans, held-for-sale at fair value
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Changes in fair value of assets	83,733	41,284	63,527
Residential Mortgage Banking Activities, Net | Trading securities
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Changes in fair value of assets	(352)	(4,535)	0
Residential Mortgage Banking Activities, Net | Risk management derivatives, net
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Changes in fair value of risk management derivatives	38,352	(26,376)	(17,519)
Business Purpose Mortgage Banking
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Other income, net	33,760	18,642	16,205
Mortgage Banking Activities, Net	108,593	74,751	39,523
Business Purpose Mortgage Banking | Risk management derivatives, net
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Changes in fair value of risk management derivatives	2,708	(21,403)	1,796
Business Purpose Mortgage Banking | Single-family rental loans, held-for-sale
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Changes in fair value of assets	63,872	82,510	17,004
Business Purpose Mortgage Banking | Bridge loans
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Changes in fair value of assets	$ 8,253	$ (4,998)	$ 4,518

Other Income (Details)

Other Income (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Other Income and Expenses [Abstract]
MSR income (loss), net	$ 2,380	$ (9,694)	$ 3,521
Risk share income	2,815	4,367	3,522
FHLBC capital stock dividend	53	1,229	2,169
Bridge Loan Fees	4,194	3,812	1,451
BPL loan administration fee income	184	2,912	4,400
Gain on re-measurement of investment in 5 Arches	0	0	2,441
Other	2,392	1,562	1,753
Other Income	$ 12,018	$ 4,188	$ 19,257

General and Administrative Ex_3

General and Administrative Expenses, Loan Acquisition Costs, and Other Expenses - Components of Operating Expenses (Details) - USD ($) $ in Thousands	Oct. 15, 2019	Oct. 31, 2019	Sep. 30, 2020	Mar. 31, 2020	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Goodwill [Line Items]
Fixed compensation expense					$ 46,328	$ 46,689	$ 39,639
Variable compensation expense					58,569	14,116	21,728
Long-term incentive award expense					19,938	12,439	13,402
Acquisition-related equity compensation expense					3,813	4,848	1,010
Systems and consulting					14,445	11,728	10,746
Office costs					7,837	7,794	6,310
Accounting and legal					4,975	7,928	5,450
Corporate costs					3,388	2,829	2,351
Other					11,566	6,833	8,101
Total General and Administrative Expenses					170,859	115,204	108,737
Commissions					7,116	4,321	3,833
Underwriting costs					7,762	4,945	4,767
Transfer and holding costs					1,458	1,757	1,335
Loan acquisition costs					16,336	11,023	9,935
Goodwill impairment expense				$ 89,000	0	88,675	0
Amortization of purchase-related intangible assets					15,304	15,925	8,696
Contingent consideration expense						0	3,218
Other					1,391	4,185	1,108
Total Other Expenses					16,695	108,785	13,022
Total General and Administrative Expenses, Loan Acquisition Costs, and Other Expenses					203,890	235,012	$ 131,694
Variable compensation expense					3,000	5,000
Settlement in Common Stock
Goodwill [Line Items]
Long-term incentive award expense					14,000	10,000
Settlement in Cash
Goodwill [Line Items]
Long-term incentive award expense					6,000	2,000
Cash Based Retention Award
Goodwill [Line Items]
Cash based retention awards granted					1,000	8,000
Cash based retention awards, term			3 years
Cash Based Retention Award | Minimum
Goodwill [Line Items]
Equity awards, vesting percentage			0.00%
Cash Based Retention Award | Maximum
Goodwill [Line Items]
Equity awards, vesting percentage			400.00%
Cash Performance Awards | Certain Executives and Non-Executive Employees
Goodwill [Line Items]
Cash based retention awards granted						2,000
Long Term Relative TSR Performance Vesting Cash Awards
Goodwill [Line Items]
Cash based retention awards, service period			3 years
Cash-Settled Deferred Stock Units
Goodwill [Line Items]
Cash based retention awards granted					4,000	2,000
Variable compensation expense					$ 2,000	$ 100
CoreVest LLC
Goodwill [Line Items]
Acquisition-related equity compensation expense		$ 10,000
Restricted stock awards (in shares)	588,260
Restricted stock awards	$ 10,000	$ 10,000
Contingent consideration performance term	2 years

Taxes - Components of Net Defer

Taxes - Components of Net Deferred Tax Assets (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Deferred Tax Assets
Net operating loss carryforward – state	$ 98,011	$ 103,334
Net capital loss carryforward – state	18,082	23,487
Net operating loss carryforward – federal	82	82
Real estate assets	1,347	2,948
Allowances and accruals	3,528	3,324
Goodwill and intangible assets	24,973	23,231
Other	3,016	1,914
Tax effect of unrealized (gains) / losses - OCI	(21)	124
Total Deferred Tax Assets	149,018	158,444
Deferred Tax Liabilities
Mortgage Servicing Rights	(3,617)	(2,458)
Interest rate agreements	(3,324)	(3,867)
Total Deferred Tax Liabilities	(6,941)	(6,325)
Valuation allowance	(121,210)	(151,248)
Total Deferred Tax Asset (Liability), net of Valuation Allowance	$ 20,867	$ 871

Taxes - Additional Information

Taxes - Additional Information (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Income Taxes [Line Items]
Deferred tax asset, valuation allowance	$ 121,210	$ 151,248
Domestic Tax Authority
Income Taxes [Line Items]
Deferred tax asset, valuation allowance	17,000
State and Local Jurisdiction
Income Taxes [Line Items]
Deferred tax asset, valuation allowance	3,000
NOL carry forwards	1,140,000
Federal
Income Taxes [Line Items]
Estimated operating loss carry forwards	37,000
Federal | Subsidiaries
Income Taxes [Line Items]
NOL carry forwards	400
Federal | Net Operating Losses, Expiring In 2029
Income Taxes [Line Items]
NOL carry forwards	29,000
Federal | Net Operating Losses, Indefinite Carryforward Period
Income Taxes [Line Items]
NOL carry forwards	9,000
Federal | Net Operating Losses, Indefinite Carryforward Period | Subsidiaries
Income Taxes [Line Items]
NOL carry forwards	200
Federal | Net Operating Losses, Expiring In 2035 | Subsidiaries
Income Taxes [Line Items]
NOL carry forwards	$ 200

Taxes - Provision for (Benefit

Taxes - Provision for (Benefit from) Income Taxes (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Current Provision for Income Taxes
Federal	$ 28,718	$ 1,598	$ 12,036
State	9,859	(182)	897
Total Current Provision for Income Taxes	38,577	1,416	12,933
Deferred (Benefit) Provision for Income Taxes
Federal	(17,172)	(6,024)	(3,976)
State	(2,927)	0	(1,517)
Total Deferred (Benefit) Provision for Income Taxes	(20,099)	(6,024)	(5,493)
Total Provision (Benefit From) for Income Taxes	$ 18,478	$ (4,608)	$ 7,440

Taxes - Reconciliation of Statu

Taxes - Reconciliation of Statutory Tax Rate to Effective Tax Rate (Details)	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Income Tax Disclosure [Abstract]
Federal statutory rate	21.00%	21.00%	21.00%
State statutory rate, net of Federal tax effect	8.60%	8.60%	8.60%
Differences in taxable (loss) income from GAAP income	(8.00%)	(19.60%)	(2.10%)
Change in valuation allowance	(8.90%)	(9.20%)	(2.20%)
Dividends paid deduction	(7.20%)	0.00%	(21.10%)
Effective Tax Rate	5.50%	0.80%	4.20%

Segment Information - Additiona

Segment Information - Additional Information (Details)	12 Months Ended
	Dec. 31, 2021segment
Segment Reporting [Abstract]
Number of operating segments	3

Segment Information - Financial

Segment Information - Financial Information by Segment (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 31, 2020	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Segment Reporting Information [Line Items]
Interest income		$ 574,926	$ 571,916	$ 622,281
Interest expense		(426,749)	(448,005)	(479,808)
Net Interest Income		148,177	123,911	142,473
Non-interest income
Mortgage banking activities, net		235,744	78,472	87,266
Investment fair value changes, net		128,049	(588,438)	35,500
Other income, net		12,018	4,188	19,257
Realized gains, net		17,993	30,424	23,821
Total non-interest income (loss), net		393,804	(475,354)	165,844
General and administrative expenses				(108,737)
General and administrative expenses		(170,859)	(115,204)	(108,737)
Loan acquisition costs		(16,336)	(11,023)	(9,935)
Loan acquisition costs				(9,935)
Other expense				(13,022)
Other expenses		(16,695)	(108,785)	(13,022)
Provision for income taxes		(18,478)	4,608	(7,440)
Net Income (Loss)		319,613	(581,847)	169,183
Non-cash amortization (expense) income, net		(45,193)	(25,324)	(3,361)
Other significant non-cash expense: goodwill impairment	$ (89,000)	0	(88,675)	0
Operating Segments | Residential Mortgage Banking
Segment Reporting Information [Line Items]
Interest income		48,953	17,839	40,901
Interest expense		(26,963)	(11,978)	(21,503)
Net Interest Income		21,990	5,861	19,398
Non-interest income
Mortgage banking activities, net		127,151	3,721	47,743
Investment fair value changes, net		0	0	(1)
Other income, net		0	0	0
Realized gains, net		0	0	0
Total non-interest income (loss), net		127,151	3,721	47,742
General and administrative expenses				(21,724)
General and administrative expenses		(33,574)	(16,297)
Loan acquisition costs		(7,480)	(2,727)
Loan acquisition costs				(3,954)
Other expense				0
Other expenses		104	(4,114)
Provision for income taxes		(25,777)	4,567	(4,074)
Net Income (Loss)		82,414	(8,989)	37,388
Non-cash amortization (expense) income, net		(82)	(662)	(97)
Other significant non-cash expense: goodwill impairment			0
Operating Segments | Business Purpose Mortgage Banking
Segment Reporting Information [Line Items]
Interest income		14,054	19,200	8,212
Interest expense		(7,230)	(13,145)	(4,972)
Net Interest Income		6,824	6,055	3,240
Non-interest income
Mortgage banking activities, net		108,593	74,622	39,523
Investment fair value changes, net		0	(101)	(175)
Other income, net		1,046	3,228	5,139
Realized gains, net		0	0	0
Total non-interest income (loss), net		109,639	77,749	44,487
General and administrative expenses				(24,832)
General and administrative expenses		(46,586)	(37,460)
Loan acquisition costs		(8,100)	(5,860)
Loan acquisition costs				(4,226)
Other expense				(8,521)
Other expenses		(15,127)	(104,147)
Provision for income taxes		(8,122)	(4,063)	(947)
Net Income (Loss)		38,528	(67,726)	9,201
Non-cash amortization (expense) income, net		(16,452)	(18,426)	(8,896)
Other significant non-cash expense: goodwill impairment			(88,675)
Operating Segments | Investment Portfolio
Segment Reporting Information [Line Items]
Interest income		507,173	525,741	555,519
Interest expense		(351,635)	(375,262)	(390,188)
Net Interest Income		155,538	150,479	165,331
Non-interest income
Mortgage banking activities, net		0	129	0
Investment fair value changes, net		129,614	(586,333)	37,293
Other income, net		10,021	(1,725)	11,407
Realized gains, net		17,993	5,242	23,821
Total non-interest income (loss), net		157,628	(582,687)	72,521
General and administrative expenses				(9,313)
General and administrative expenses		(13,633)	(8,547)
Loan acquisition costs		(752)	(2,426)
Loan acquisition costs				(1,618)
Other expense				(1,106)
Other expenses		(1,689)	194
Provision for income taxes		(3,862)	4,104	(2,419)
Net Income (Loss)		293,230	(438,883)	223,396
Non-cash amortization (expense) income, net		(20,781)	(1,282)	10,445
Other significant non-cash expense: goodwill impairment			0
Corporate/ Other
Segment Reporting Information [Line Items]
Interest income		4,746	9,136	17,649
Interest expense		(40,921)	(47,620)	(63,145)
Net Interest Income		(36,175)	(38,484)	(45,496)
Non-interest income
Mortgage banking activities, net		0	0	0
Investment fair value changes, net		(1,565)	(2,004)	(1,617)
Other income, net		951	2,685	2,711
Realized gains, net		0	25,182	0
Total non-interest income (loss), net		(614)	25,863	1,094
General and administrative expenses				(52,868)
General and administrative expenses		(77,066)	(52,900)	(52,868)
Loan acquisition costs		(4)	(10)	(137)
Loan acquisition costs				(137)
Other expense				(3,395)
Other expenses		17	(718)	(3,395)
Provision for income taxes		19,283	0	0
Net Income (Loss)		(94,559)	(66,249)	(100,802)
Non-cash amortization (expense) income, net		$ (7,878)	(4,954)	$ (4,813)
Other significant non-cash expense: goodwill impairment			$ 0

Segment Information - Component

Segment Information - Components of Corporate/Other (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Segment Reporting Information [Line Items]
Interest income	$ 574,926	$ 571,916	$ 622,281
Interest expense	(426,749)	(448,005)	(479,808)
Net Interest Income	148,177	123,911	142,473
Investment fair value changes, net	128,049	(588,438)	35,500
Other income, net	2,392	1,562	1,753
Realized gains, net	17,993	30,424	23,821
Total non-interest income (loss), net	393,804	(475,354)	165,844
General and administrative expenses	(170,859)	(115,204)	(108,737)
Loan acquisition costs	(16,336)	(11,023)	(9,935)
Other expenses	(16,695)	(108,785)	(13,022)
(Provision for) benefit from income taxes	(18,478)	4,608	(7,440)
Net Income (Loss)	319,613	(581,847)	169,183
Corporate/ Other
Segment Reporting Information [Line Items]
Interest income	4,746	9,136	17,649
Interest expense	(40,921)	(47,620)	(63,145)
Net Interest Income	(36,175)	(38,484)	(45,496)
Investment fair value changes, net	(1,565)	(2,004)	(1,617)
Other income, net	951	2,685	2,711
Realized gains, net	0	25,182	0
Total non-interest income (loss), net	(614)	25,863	1,094
General and administrative expenses	(77,066)	(52,900)	(52,868)
Loan acquisition costs	(4)	(10)	(137)
Other expenses	17	(718)	(3,395)
(Provision for) benefit from income taxes	19,283	0	0
Net Income (Loss)	(94,559)	(66,249)	(100,802)
Corporate/ Other | Legacy Consolidated VIEs
Segment Reporting Information [Line Items]
Interest income	4,709	9,060	17,649
Interest expense	(3,040)	(5,945)	(14,418)
Net Interest Income	1,669	3,115	3,231
Investment fair value changes, net	(1,558)	(1,512)	(1,545)
Other income, net	0	0	0
Realized gains, net	0	0	0
Total non-interest income (loss), net	(1,558)	(1,512)	(1,545)
General and administrative expenses	0	0	0
Loan acquisition costs	0	0	0
Other expenses	0	0	0
(Provision for) benefit from income taxes	0	0	0
Net Income (Loss)	111	1,603	1,686
Corporate/ Other | Other
Segment Reporting Information [Line Items]
Interest income	37	76	0
Interest expense	(37,881)	(41,675)	(48,727)
Net Interest Income	(37,844)	(41,599)	(48,727)
Investment fair value changes, net	(7)	(492)	(72)
Other income, net	951	2,685	2,711
Realized gains, net	0	25,182	0
Total non-interest income (loss), net	944	27,375	2,639
General and administrative expenses	(77,066)	(52,900)	(52,868)
Loan acquisition costs	(4)	(10)	(137)
Other expenses	17	(718)	(3,395)
(Provision for) benefit from income taxes	19,283	0	0
Net Income (Loss)	$ (94,670)	$ (67,852)	$ (102,488)

Segment Information - Supplemen

Segment Information - Supplemental Information by Segment (Details) - USD ($) $ in Thousands		Dec. 31, 2021	Dec. 31, 2020
Segment Reporting Information [Line Items]
Real estate securities	[1]	$ 377,411	$ 344,125
Other investments	[1]	641,969	348,175
Intangible assets	[1]	41,561	56,865
Total Assets	[1]	14,706,944	10,355,066
Residential loans
Segment Reporting Information [Line Items]
Loans, at fair value		7,592,432	4,249,051
Business Purpose Loans
Segment Reporting Information [Line Items]
Loans, at fair value		4,790,989	4,136,353
Multifamily securities
Segment Reporting Information [Line Items]
Loans, at fair value		473,514	492,221
Operating Segments | Residential Mortgage Banking
Segment Reporting Information [Line Items]
Real estate securities		4,927	5,279
Other investments		0	0
Intangible assets		0	0
Total Assets		1,716,285	242,060
Operating Segments | Residential Mortgage Banking | Residential loans
Segment Reporting Information [Line Items]
Loans, at fair value		1,673,235	176,641
Operating Segments | Residential Mortgage Banking | Business Purpose Loans
Segment Reporting Information [Line Items]
Loans, at fair value		0	0
Operating Segments | Residential Mortgage Banking | Multifamily securities
Segment Reporting Information [Line Items]
Loans, at fair value		0	0
Operating Segments | Business Purpose Mortgage Banking
Segment Reporting Information [Line Items]
Real estate securities		0	0
Other investments		0	0
Intangible assets		41,561	56,865
Total Assets		464,967	328,564
Operating Segments | Business Purpose Mortgage Banking | Residential loans
Segment Reporting Information [Line Items]
Loans, at fair value		0	0
Operating Segments | Business Purpose Mortgage Banking | Business Purpose Loans
Segment Reporting Information [Line Items]
Loans, at fair value		347,860	245,394
Operating Segments | Business Purpose Mortgage Banking | Multifamily securities
Segment Reporting Information [Line Items]
Loans, at fair value		0	0
Operating Segments | Investment Portfolio
Segment Reporting Information [Line Items]
Real estate securities		372,484	338,846
Other investments		606,267	343,724
Intangible assets		0	0
Total Assets		11,770,486	8,970,633
Operating Segments | Investment Portfolio | Residential loans
Segment Reporting Information [Line Items]
Loans, at fair value		5,688,742	3,786,475
Operating Segments | Investment Portfolio | Business Purpose Loans
Segment Reporting Information [Line Items]
Loans, at fair value		4,443,129	3,890,959
Operating Segments | Investment Portfolio | Multifamily securities
Segment Reporting Information [Line Items]
Loans, at fair value		473,514	492,221
Corporate/ Other
Segment Reporting Information [Line Items]
Real estate securities		0	0
Other investments		35,702	4,451
Intangible assets		0	0
Total Assets		755,206	813,809
Corporate/ Other | Residential loans
Segment Reporting Information [Line Items]
Loans, at fair value		230,455	285,935
Corporate/ Other | Business Purpose Loans
Segment Reporting Information [Line Items]
Loans, at fair value		0	0
Corporate/ Other | Multifamily securities
Segment Reporting Information [Line Items]
Loans, at fair value		$ 0	$ 0
[1]	Our consolidated balance sheets include assets of consolidated variable interest entities (“VIEs”) that can only be used to settle obligations of these VIEs and liabilities of consolidated VIEs for which creditors do not have recourse to Redwood Trust, Inc. or its affiliates. At December 31, 2021 and 2020, assets of consolidated VIEs totaled $10,661,081 and $8,141,069, respectively. At December 31, 2021 and 2020, liabilities of consolidated VIEs totaled $9,619,347 and $7,148,414, respectively. See Note 4 for further discussion.

Subsequent Events (Details)

Subsequent Events (Details) - USD ($)	1 Months Ended	12 Months Ended
	Jan. 31, 2022	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019	Feb. 25, 2022
Subsequent Event [Line Items]
Issuance of common stock		$ 34,708,000	$ 5,547,000	$ 442,172,000
Subsequent Event
Subsequent Event [Line Items]
Issuance of common stock (in shares)	5,232,869
Issuance of common stock	$ 67,000,000
Shares Issued During Period, Amount Authorized For Future Offerings					$ 22,000,000

Schedule IV - Mortgage Loans _2

Schedule IV - Mortgage Loans On Real Estate (Details)	12 Months Ended
	Dec. 31, 2021USD ($)loan	Dec. 31, 2021USD ($)	Dec. 31, 2021USD ($)tranche	Dec. 31, 2020USD ($)loan	Dec. 31, 2019USD ($)	Dec. 31, 2018USD ($)
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Carrying Amount	$ 12,856,934,000	$ 12,856,934,000	$ 12,856,934,000	$ 8,877,626,000	$ 15,630,117,000	$ 9,540,598,000
Residential loans, held-for-investment
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Carrying Amount	5,747,150,000	5,747,150,000	5,747,150,000
Principal Amount Subject to Delinquent Principal or Interest	235,567,000	235,567,000	$ 235,567,000
Residential loans, held-for-sale, at fair value
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Number of Loans			2,196	198
Carrying Amount	1,845,282,000	1,845,282,000	$ 1,845,282,000
Principal Amount Subject to Delinquent Principal or Interest	$ 2,923,000	2,923,000	$ 2,923,000	$ 1,882,000
Residential loans, held-for-sale, at fair value | Hybrid ARM loans
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Number of Loans	57		57	2
Carrying Amount	$ 52,532,000	52,532,000	$ 52,532,000
Principal Amount Subject to Delinquent Principal or Interest	$ 0	$ 0	$ 0	$ 0
Residential loans, held-for-sale, at fair value | Hybrid ARM loans | Minimum
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Interest Rate		1.88%
Residential loans, held-for-sale, at fair value | Hybrid ARM loans | Maximum
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Interest Rate		4.00%
Residential loans, held-for-sale, at fair value | Fixed loans
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Number of Loans	2,139		2,139	196
Carrying Amount	$ 1,792,750,000	$ 1,792,750,000	$ 1,792,750,000
Principal Amount Subject to Delinquent Principal or Interest	2,923,000	$ 2,923,000	2,923,000	$ 1,882,000
Residential loans, held-for-sale, at fair value | Fixed loans | Minimum
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Interest Rate		2.50%
Residential loans, held-for-sale, at fair value | Fixed loans | Maximum
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Interest Rate		5.88%
Single-family rental loans, held-for-sale
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Carrying Amount	358,309,000	$ 358,309,000	358,309,000
Principal Amount Subject to Delinquent Principal or Interest	$ 5,384,000	5,384,000	5,384,000
Single-family rental loans, held-for-sale | Fixed loans
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Number of Loans | loan	245
Carrying Amount	$ 358,309,000	358,309,000	358,309,000
Principal Amount Subject to Delinquent Principal or Interest	5,384,000	$ 5,384,000	5,384,000
Single-family rental loans, held-for-sale | Fixed loans | Minimum
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Interest Rate		3.38%
Single-family rental loans, held-for-sale | Fixed loans | Maximum
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Interest Rate		7.75%
Single-family rental loans held-for-investment
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Carrying Amount	3,488,074,000	$ 3,488,074,000	3,488,074,000
Principal Amount Subject to Delinquent Principal or Interest	41,998,000	41,998,000	41,998,000
Bridge loans held-for-investment
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Carrying Amount	666,364,000	666,364,000	666,364,000
Principal Amount Subject to Delinquent Principal or Interest	18,031,000	18,031,000	18,031,000
Real estate loans, federal income tax basis	$ 950,000,000	950,000,000	950,000,000
Bridge loans held-for-investment | Fixed loans
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Number of Loans | loan	187
Carrying Amount	$ 91,580,000	91,580,000	91,580,000
Principal Amount Subject to Delinquent Principal or Interest	$ 17,115,000	$ 17,115,000	17,115,000
Bridge loans held-for-investment | Fixed loans | Minimum
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Interest Rate		5.45%
Bridge loans held-for-investment | Fixed loans | Maximum
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Interest Rate		12.00%
Bridge loans held-for-investment | Floating ARM Loans
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Number of Loans | loan	947
Carrying Amount	$ 574,784,000	$ 574,784,000	574,784,000
Principal Amount Subject to Delinquent Principal or Interest	916,000	$ 916,000	916,000
Bridge loans held-for-investment | Floating ARM Loans | Minimum
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Interest Rate		4.25%
Bridge loans held-for-investment | Floating ARM Loans | Maximum
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Interest Rate		10.00%
Multifamily loans, held-for-investment
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Carrying Amount	473,514,000	$ 473,514,000	473,514,000
Principal Amount Subject to Delinquent Principal or Interest	$ 0	0	0
Multifamily loans, held-for-investment | Fixed loans
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Number of Loans | loan	28
Carrying Amount	$ 473,514,000	473,514,000	473,514,000
Principal Amount Subject to Delinquent Principal or Interest	0	$ 0	0
Multifamily loans, held-for-investment | Fixed loans | Minimum
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Interest Rate		4.25%
Multifamily loans, held-for-investment | Fixed loans | Maximum
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Interest Rate		4.25%
Legacy Sequoia
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Real estate loans, federal income tax basis	$ 0	$ 0	0
Legacy Sequoia | Residential loans, held-for-investment
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Number of Loans | loan	1,583			1,908
Principal Amount Subject to Delinquent Principal or Interest	$ 7,482,000	7,482,000	7,482,000	$ 17,285,000
Legacy Sequoia | Residential loans, held-for-investment | ARM loans
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Number of Loans | loan	1,574			1,899
Carrying Amount	$ 227,302,000	227,302,000	227,302,000
Principal Amount Subject to Delinquent Principal or Interest	$ 7,482,000	$ 7,482,000	7,482,000	$ 17,285,000
Legacy Sequoia | Residential loans, held-for-investment | ARM loans | Minimum
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Interest Rate		0.25%
Legacy Sequoia | Residential loans, held-for-investment | ARM loans | Maximum
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Interest Rate		5.63%
Legacy Sequoia | Residential loans, held-for-investment | Hybrid ARM loans
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Number of Loans | loan	9			9
Carrying Amount	$ 3,153,000	$ 3,153,000	3,153,000
Principal Amount Subject to Delinquent Principal or Interest	$ 0	$ 0	0	$ 0
Legacy Sequoia | Residential loans, held-for-investment | Hybrid ARM loans | Minimum
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Interest Rate		2.50%
Legacy Sequoia | Residential loans, held-for-investment | Hybrid ARM loans | Maximum
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Interest Rate		2.63%
Sequoia | Residential loans, held-for-investment
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Number of Loans | loan	4,300			2,177
Principal Amount Subject to Delinquent Principal or Interest	$ 15,124,000	$ 15,124,000	15,124,000	$ 74,742,000
Sequoia | Residential loans, held-for-investment | Hybrid ARM loans
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Number of Loans | loan	28			54
Carrying Amount	$ 21,855,000	21,855,000	21,855,000
Principal Amount Subject to Delinquent Principal or Interest	$ 0	$ 0	0	$ 2,415,000
Sequoia | Residential loans, held-for-investment | Hybrid ARM loans | Minimum
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Interest Rate		3.13%
Sequoia | Residential loans, held-for-investment | Hybrid ARM loans | Maximum
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Interest Rate		6.75%
Sequoia | Residential loans, held-for-investment | Fixed loans
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Number of Loans | loan	4,272			2,123
Carrying Amount	$ 3,606,610,000	$ 3,606,610,000	3,606,610,000
Principal Amount Subject to Delinquent Principal or Interest	15,124,000	$ 15,124,000	15,124,000	$ 72,327,000
Sequoia | Residential loans, held-for-investment | Fixed loans | Minimum
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Interest Rate		1.88%
Sequoia | Residential loans, held-for-investment | Fixed loans | Maximum
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Interest Rate		6.75%
Freddie Mac SLST(1)
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Real estate loans, federal income tax basis	$ 0	$ 0	0
Freddie Mac SLST(1) | Residential loans, held-for-investment | Fixed loans
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Number of Loans | loan	11,986			13,605
Carrying Amount	$ 1,888,230,000	1,888,230,000	1,888,230,000
Principal Amount Subject to Delinquent Principal or Interest	$ 212,961,000	$ 212,961,000	212,961,000	$ 389,245,000
Freddie Mac SLST(1) | Residential loans, held-for-investment | Fixed loans | Minimum
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Interest Rate		2.00%
Freddie Mac SLST(1) | Residential loans, held-for-investment | Fixed loans | Maximum
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Interest Rate		11.00%
CAFL(1) | Single-family rental loans held-for-investment | Fixed loans
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Number of Loans | loan	1,173
Carrying Amount	$ 3,488,074,000	$ 3,488,074,000	3,488,074,000
Principal Amount Subject to Delinquent Principal or Interest	41,998,000	$ 41,998,000	41,998,000
CAFL(1) | Single-family rental loans held-for-investment | Fixed loans | Minimum
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Interest Rate		3.81%
CAFL(1) | Single-family rental loans held-for-investment | Fixed loans | Maximum
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Interest Rate		7.57%
CAFL(1) | Bridge loans held-for-investment
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Carrying Amount	278,242,000	$ 278,242,000	278,242,000
Principal Amount Subject to Delinquent Principal or Interest	$ 0	0	0
CAFL(1) | Bridge loans held-for-investment | Fixed loans
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Number of Loans | loan	920
Carrying Amount	$ 137,671,000	137,671,000	137,671,000
Principal Amount Subject to Delinquent Principal or Interest	$ 0	$ 0	0
CAFL(1) | Bridge loans held-for-investment | Fixed loans | Minimum
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Interest Rate		5.45%
CAFL(1) | Bridge loans held-for-investment | Fixed loans | Maximum
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Interest Rate		10.65%
CAFL(1) | Bridge loans held-for-investment | Floating ARM Loans
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Number of Loans | loan	720
Carrying Amount	$ 140,571,000	$ 140,571,000	140,571,000
Principal Amount Subject to Delinquent Principal or Interest	$ 0	$ 0	$ 0
CAFL(1) | Bridge loans held-for-investment | Floating ARM Loans | Minimum
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Interest Rate		5.75%
CAFL(1) | Bridge loans held-for-investment | Floating ARM Loans | Maximum
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Interest Rate		10.50%

Schedule IV - Mortgage Loans _3

Schedule IV - Mortgage Loans On Real Estate - Rollforward of mortgage loans (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
SEC Schedule, 12-29, Real Estate Companies, Investment in Movement in Mortgage Loans on Real Estate [Roll Forward]
Balance at beginning of period	$ 8,877,626	$ 15,630,117	$ 9,540,598
Additions during period:
Originations/acquisitions	15,427,382	5,914,728	12,911,261
Deductions during period:
Sales	(8,660,440)	(6,398,690)	(5,218,797)
Principal repayments	(2,675,859)	(2,313,143)	(1,851,278)
Transfers to REO	(40,038)	(14,104)	(7,552)
Deconsolidation adjustments	0	(3,849,779)	0
Changes in fair value, net	(71,737)	(91,503)	255,885
Balance at end of period	$ 12,856,934	$ 8,877,626	$ 15,630,117