BankUnited (BKU) 10-Q1 Nov 232023 Q3 Quarterly reportFinancial data

Company Profile

Cover Page

Cover Page - shares	9 Months Ended
Cover Page - shares	Sep. 30, 2023	Oct. 30, 2023
Document Information [Line Items]
Document Type	10-Q
Document Transition Report	false
Document Period End Date	Sep. 30, 2023
Current Fiscal Year End Date	--12-31
Entity File Number	001-35039
Entity Registrant Name	BankUnited, Inc.
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	27-0162450
Entity Address, Address Line One	14817 Oak Lane
Entity Address, City or Town	Miami Lakes
Entity Address, State or Province	FL
Entity Address, Postal Zip Code	33016
City Area Code	305
Local Phone Number	569-2000
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Large Accelerated Filer
Entity Emerging Growth Company	false
Entity Small Business	false
Entity Shell Company	false
Entity Common Stock Shares Outstanding		74,382,141
Entity Central Index Key	0001504008
Document Fiscal Year Focus	2023
Document Fiscal Period Focus	Q3
Amendment Flag	false
Document Quarterly Report	true
NEW YORK STOCK EXCHANGE, INC.
Document Information [Line Items]
Title of 12(b) Security	Common Stock, $0.01 Par Value
Trading Symbol	BKU
Security Exchange Name	NYSE

CONSOLIDATED BALANCE SHEETS

CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Cash and due from banks:
Non-interest bearing	$ 12,391	$ 16,068
Interest bearing	379,494	556,579
Cash and cash equivalents	391,885	572,647
Investment securities (including securities reported at fair value of $8,876,484 and $9,745,327)	8,886,484	9,755,327
Non-marketable equity securities	312,159	294,172
Loans	24,356,276	24,885,988
Allowance for credit losses	(196,063)	(147,946)
Loans, net	24,160,213	24,738,042
Bank owned life insurance	319,808	308,212
Operating lease equipment, net	460,146	539,799
Goodwill	77,637	77,637
Other assets	781,332	740,876
Total assets	35,389,664	37,026,712
Demand deposits:
Non-interest bearing	7,356,523	8,037,848
Interest bearing	3,290,391	2,142,067
Savings and money market	10,276,071	13,061,341
Time	5,189,681	4,268,078
Total deposits	26,112,666	27,509,334
Federal funds purchased	0	190,000
FHLB advances	5,165,000	5,420,000
Notes and other borrowings	715,197	720,923
Other liabilities	872,731	750,474
Total liabilities	32,865,594	34,590,731
Commitments and contingencies
Stockholders' equity:
Common Stock, Value, Issued	744	757
Paid-in capital	279,672	321,729
Retained earnings	2,650,850	2,551,400
Accumulated other comprehensive loss	(407,196)	(437,905)
Total stockholders' equity	2,524,070	2,435,981
Total liabilities and stockholders' equity	35,389,664	37,026,712
Interest income on loans
Cash and due from banks:
Allowance for credit losses	$ (196,063)	$ (147,946)

CONSOLIDATED BALANCE SHEETS (Pa

CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
ASSETS
Investment securities recorded at fair value	$ 8,876,484	$ 9,745,327
Stockholders' equity:
Common stock, par value (in Dollars per Share)		$ 0.01
Common stock, shares authorized (in Shares)	400,000,000	400,000,000
Common stock, shares issued (in Shares)	74,413,059	75,674,587
Common stock, shares outstanding (in Shares)	74,413,059	75,674,587

CONSOLIDATED STATEMENTS OF INCO

CONSOLIDATED STATEMENTS OF INCOME - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
CONSOLIDATED STATEMENTS OF INCOME - USD ($) $ in Thousands	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Interest income:
Loans	$ 337,014	$ 244,884	$ 971,962	$ 645,669
Investment securities	122,857	77,109	362,219	174,928
Other	10,668	4,031	40,195	8,364
Total interest income	470,539	326,024	1,374,376	828,961
Interest expense:
Deposits	176,974	53,206	467,472	85,569
Borrowings	78,723	36,982	250,310	73,498
Total interest expense	255,697	90,188	717,782	159,067
Net interest income before provision for credit losses	214,842	235,836	656,594	669,894
Provision for credit losses	33,049	3,720	68,354	35,546
Net interest income after provision for credit losses	181,793	232,116	588,240	634,348
Non-interest income:
Deposit service charges and fees	5,402	6,064	16,296	17,920
Gain (loss) on investment securities, net	887	135	(10,669)	(16,125)
Lease financing	16,531	13,180	42,159	39,958
Other non-interest income	4,904	3,693	21,960	9,070
Total non-interest income	27,724	23,072	69,746	50,823
Non-interest expense:
Employee compensation and benefits	68,825	66,097	207,290	195,646
Occupancy and equipment	10,890	11,719	32,735	34,630
Deposit insurance expense	7,790	4,398	23,294	11,794
Professional fees	2,696	3,184	9,132	8,702
Technology	19,193	19,813	61,356	54,715
Depreciation of operating lease equipment	11,217	12,646	33,970	37,841
Other non-interest expense	26,479	20,248	77,311	48,503
Total non-interest expense	147,090	138,105	445,088	391,831
Income before income taxes	62,427	117,083	212,898	293,340
Provision for income taxes	15,446	29,233	55,039	72,576
Net income	$ 46,981	$ 87,850	$ 157,859	$ 220,764
Earnings per common share, basic	$ 0.63	$ 1.13	$ 2.12	$ 2.73
Earnings per common share, diluted	$ 0.63	$ 1.12	$ 2.11	$ 2.71

CONSOLIDATED STATEMENTS OF COMP

CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Statement of Comprehensive Income [Abstract]
Net income	$ 46,981	$ 87,850	$ 157,859	$ 220,764
Unrealized gains (losses) on investment securities available for sale:
Net unrealized holding gain (loss) arising during the period	32,854	117,300	(23,717)	470,249
Reclassification adjustment for net securities gains realized in income	(159)	(258)	(1,342)	(2,906)
Net change in unrealized gains (losses) on securities available for sale	(33,013)	(117,558)	22,375	(473,155)
Unrealized gains (losses) on derivative instruments:
Net unrealized holding gains arising during the period	12,410	30,495	42,598	74,540
Reclassification adjustment for net (gains) losses realized in income	(14,031)	(283)	(34,264)	6,814
Net change in unrealized gains (losses) on derivative instruments	(1,621)	30,212	8,334	81,354
Other comprehensive income (loss)	(34,634)	(87,346)	30,709	(391,801)
Comprehensive income (loss)	$ 12,347	$ 504	$ 188,568	$ (171,037)

CONSOLIDATED STATEMENTS OF CASH

CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022
Cash flows from operating activities:
Net income	$ 157,859	$ 220,764
Adjustments to reconcile net income to net cash provided by operating activities:
Amortization and accretion, net	(8,002)	(5,444)
Provision for credit losses	68,354	35,546
Loss on investment securities, net	10,669	16,125
Equity based compensation	15,647	13,378
Depreciation and amortization	57,040	57,737
Deferred income taxes	(18,098)	13,647
Proceeds from sale of loans held for sale, net	254,642	589,681
Other:
Increase (Decrease) in Other Operating Assets	(17,351)	259,044
Increase in other liabilities	72,956	116,663
Net cash provided by operating activities	593,716	1,317,141
Net Cash Provided by (Used in) Investing Activities [Abstract]
Purchases of investment securities	(247,620)	(2,713,761)
Proceeds from repayments and calls of investment securities	790,032	1,514,500
Proceeds from sale of investment securities	341,990	798,205
Purchases of non-marketable equity securities	(400,900)	(336,375)
Proceeds from redemption of non-marketable equity securities	382,913	210,450
Purchases of loans	(418,244)	(2,000,568)
Loan originations and repayments, net	635,953	872,339
Proceeds from sale of loans, net	38,765	21,327
Proceeds from Sale of Productive Assets	49,837	23,256
Other investing activities	(23,539)	(34,639)
Net cash provided by (used in) investing activities	1,149,187	(1,645,266)
Cash flows from financing activities:
Net decrease in deposits	(1,396,668)	(2,089,027)
Net decrease in federal funds purchased	(190,000)	(199,000)
Additions to FHLB borrowings	2,380,000	4,075,000
Repayments of FHLB borrowings	(2,635,000)	(685,000)
Dividends paid	(59,034)	(60,082)
Repurchase of common stock	(55,154)	(336,533)
Other financing activities	32,191	34,048
Net cash provided by (used in) financing activities	(1,923,665)	739,406
Net increase (decrease) in cash and cash equivalents	(180,762)	411,281
Cash and cash equivalents, beginning of period	572,647	314,857
Cash and cash equivalents, end of period	391,885	726,138
Supplemental Cash Flow Information [Abstract]
Interest paid	676,388	138,143
Income taxes paid (refunded), net	22,127	(117,145)
Supplemental schedule of non-cash investing and financing activities:
Transfers from loans to loans held for sale	308,854	613,243
Dividends declared, not paid	20,057	19,361
Obligations incurred in acquisition of affordable housing limited partnerships	$ 0	$ 65,000

CONSOLIDATED STATEMENTS OF STOC

CONSOLIDATED STATEMENTS OF STOCKHOLDERS’ EQUITY - USD ($)	Total	Cumulative Effect, Period of Adoption, Adjusted Balance	Common Stock	Common Stock Cumulative Effect, Period of Adoption, Adjusted Balance	Paid-in Capital	Paid-in Capital Cumulative Effect, Period of Adoption, Adjusted Balance	Retained Earnings	Retained Earnings Cumulative Effect, Period of Adoption, Adjusted Balance	Accumulated Other Comprehensive Loss	Accumulated Other Comprehensive Loss Cumulative Effect, Period of Adoption, Adjusted Balance
Shares, Outstanding, Beginning Balance at Dec. 31, 2021			85,647,986
Balance at Dec. 31, 2021	$ 3,037,761,000		$ 856,000		$ 707,503,000		$ 2,345,342,000		$ (15,940,000)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Comprehensive income	(171,037,000)		$ 0		0		220,764,000		(391,801,000)
Stock Dividends, Shares			0
Dividends ($0.81 per common share)	$ (59,567,000)		$ 0		0		(59,567,000)		0
Common Stock, Dividends, Per Share, Declared	$ 750
Shares Issued, Value, Share-Based Payment Arrangement, after Forfeiture	$ 10,361,000		$ 3,000		10,358,000		0		0
Shares Issued, Shares, Share-Based Payment Arrangement, after Forfeiture			297,022
Stock Repurchased During Period, Shares			(8,345,600)
Stock Repurchased During Period, Value	(336,533,000)		$ (83,000)		(336,450,000)		0		0
Balance (in Shares) at Sep. 30, 2022			77,599,408
Balance at Sep. 30, 2022	2,480,985,000		$ 776,000		381,411,000		2,506,539,000		(407,741,000)
Shares, Outstanding, Beginning Balance at Jun. 30, 2022			77,944,216
Balance at Jun. 30, 2022	2,506,017,000		$ 779,000		387,583,000		2,438,050,000		(320,395,000)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Comprehensive income	504,000		$ 0		0		87,850,000		(87,346,000)
Stock Dividends, Shares			0
Dividends ($0.81 per common share)	$ (19,361,000)		$ 0		0		(19,361,000)		0
Common Stock, Dividends, Per Share, Declared	$ 0.25
Shares Issued, Value, Share-Based Payment Arrangement, after Forfeiture	$ 4,617,000		$ 0		4,617,000		0		0
Shares Issued, Shares, Share-Based Payment Arrangement, after Forfeiture			(30,699)
Stock Repurchased During Period, Shares			(314,109)
Stock Repurchased During Period, Value	(10,792,000)		$ (3,000)		(10,789,000)		0		0
Balance (in Shares) at Sep. 30, 2022			77,599,408
Balance at Sep. 30, 2022	2,480,985,000		$ 776,000		381,411,000		2,506,539,000		(407,741,000)
Shares, Outstanding, Beginning Balance at Dec. 31, 2022			75,674,587
Balance at Dec. 31, 2022	2,435,981,000	$ 2,437,317,000	$ 757,000	$ 757,000	321,729,000	$ 321,729,000	2,551,400,000	$ 2,552,736,000	(437,905,000)	$ (437,905,000)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Comprehensive income	188,568,000		$ 0		0		157,859,000		30,709,000
Stock Dividends, Shares			0
Dividends ($0.81 per common share)	$ (59,745,000)		$ 0		0		(59,745,000)		0
Common Stock, Dividends, Per Share, Declared	$ 0.81
Shares Issued, Value, Share-Based Payment Arrangement, after Forfeiture	$ 13,084,000		$ 3,000		13,081,000		0		0
Shares Issued, Shares, Share-Based Payment Arrangement, after Forfeiture			372,717
Stock Repurchased During Period, Shares			(1,634,245)
Stock Repurchased During Period, Value	(55,154,000)		$ (16,000)		(55,138,000)		0		0
Balance (in Shares) at Sep. 30, 2023			74,413,059
Balance at Sep. 30, 2023	2,524,070,000		$ 744,000		279,672,000		2,650,850,000		(407,196,000)
Shares, Outstanding, Beginning Balance at Jun. 30, 2023			74,429,948
Balance at Jun. 30, 2023	2,526,310,000		$ 744,000		274,202,000		2,623,926,000		(372,562,000)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Comprehensive income	12,347,000		$ 0		0		46,981,000		(34,634,000)
Stock Dividends, Shares			0
Dividends ($0.81 per common share)	$ (20,057,000)		$ 0		0		(20,057,000)		0
Common Stock, Dividends, Per Share, Declared	$ 0.27
Shares Issued, Value, Share-Based Payment Arrangement, after Forfeiture	$ 5,470,000		$ 0		5,470,000		0		0
Shares Issued, Shares, Share-Based Payment Arrangement, after Forfeiture			(16,889)
Balance (in Shares) at Sep. 30, 2023			74,413,059
Balance at Sep. 30, 2023	$ 2,524,070,000		$ 744,000		$ 279,672,000		$ 2,650,850,000		$ (407,196,000)

Basis of Presentation and Summa

Basis of Presentation and Summary of Significant Accounting Policies Basis of Presentation	9 Months Ended
	Sep. 30, 2023
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Basis of Presentation and Summary of Significant Accounting Policies	Note 1 Basis of Presentation and Summary of Significant Accounting Policies BankUnited, Inc. is a national bank holding company with one wholly-owned subsidiary, BankUnited, collectively, the Company. BankUnited, a national banking association headquartered in Miami Lakes, Florida, provides a full range of banking and related services to individual and corporate customers through banking centers in Florida, the New York metropolitan area and Dallas, Texas. The Bank also offers certain commercial lending and deposit products through national platforms and regional wholesale banking offices. The accompanying unaudited consolidated financial statements have been prepared in accordance with generally accepted accounting principles for interim financial information and the instructions to Form 10-Q and Article 10 of Regulation S-X of the SEC. Accordingly, these do not include all of the information and footnotes required for a fair presentation of financial position, results of operations and cash flows in conformity with GAAP and should be read in conjunction with the Company’s consolidated financial statements and the notes thereto appearing in BKU’s Annual Report on Form 10-K for the year ended December 31, 2022 filed with the SEC. In the opinion of management, all adjustments, consisting of normal recurring adjustments, considered necessary for a fair presentation have been included. Operating results for the three and nine months ended September 30, 2023 are not necessarily indicative of the results that may be expected in future periods. The Company has a single operating segment and thus a single reportable segment. While management monitors the revenue streams of its various business units, the business units serve a similar base of primarily commercial clients, providing a similar range of products and services, managed through similar processes and platforms. The Company’s chief operating decision maker makes company-wide resource allocation decisions and assessments of performance based on a collective assessment of the Company’s operations. Accounting Estimates In preparing the consolidated financial statements, management is required to make estimates and assumptions that affect the reported amounts of assets, liabilities, revenues, and expenses and disclosures of contingent assets and liabilities. Actual results could differ significantly from these estimates. The most significant estimate impacting the Company's consolidated financial statements is the ACL. New Accounting Pronouncements Adopted During the Nine Months Ended September 30, 2023 ASU No. 2022-02, Financial Instruments—Credit Losses (Topic 326). This ASU eliminated the accounting guidance for TDRs by creditors in Subtopic 310-40, Receivables - Troubled Debt Restructurings by Creditors. The ASU enhanced disclosure requirements for certain loan refinancings and restructurings by creditors when a borrower is experiencing financial difficulty, updated certain requirements related to accounting for credit losses under ASC 326 and required disclosure of current-period gross charge-offs of financing receivables by year of origination. The Company adopted this ASU in the first quarter of 2023, prospectively, except with respect to the recognition and measurement of TDRs, for which the modified retrospective transition method was applied. The Company recorded a reduction to the ACL of $1.8 million and a cumulative-effect adjustment, net of tax, to retained earnings of $1.3 million on January 1, 2023. Accounting Pronouncements Not Yet Adopted ASU No. 2023-02— Investments - Equity Method and Joint Ventures (Topic 323): Accounting for Investments in Tax Credit Structures using the Proportional Amortization Method (A Consensus of the Emerging Issues Task Force).

Earnings Per Common Share

Earnings Per Common Share	9 Months Ended
Earnings Per Common Share	Sep. 30, 2023
Earnings Per Share [Abstract]
Earnings Per Common Share	Note 2 Earnings Per Common Share The computation of basic and diluted earnings per common share is presented below for the periods indicated (in thousands, except share and per share data): Three Months Ended September 30, Nine Months Ended September 30, c 2023 2022 2023 2022 Basic earnings per common share: Numerator: Net income $ 46,981 $ 87,850 $ 157,859 $ 220,764 Distributed and undistributed earnings allocated to participating securities (700) (1,343) (2,378) (3,258) Income allocated to common stockholders for basic earnings per common share $ 46,281 $ 86,507 $ 155,481 $ 217,506 Denominator: Weighted average common shares outstanding 74,416,698 77,912,320 74,530,871 81,039,561 Less average unvested stock awards (1,165,105) (1,221,971) (1,180,570) (1,230,396) Weighted average shares for basic earnings per common share 73,251,593 76,690,349 73,350,301 79,809,165 Basic earnings per common share $ 0.63 $ 1.13 $ 2.12 $ 2.73 Diluted earnings per common share: Numerator: Income allocated to common stockholders for basic earnings per common share $ 46,281 $ 86,507 $ 155,481 $ 217,506 Adjustment for earnings reallocated from participating securities 3 6 8 9 Income used in calculating diluted earnings per common share $ 46,284 $ 86,513 $ 155,489 $ 217,515 Denominator: Weighted average shares for basic earnings per common share 73,251,593 76,690,349 73,350,301 79,809,165 Dilutive effect of certain share-based awards 537,230 433,472 388,372 308,608 Weighted average shares for diluted earnings per common share 73,788,823 77,123,821 73,738,673 80,117,773 Diluted earnings per common share $ 0.63 $ 1.12 $ 2.11 $ 2.71 Potentially dilutive unvested shares totaling 1,160,047 and 1,213,029 were outstanding at September 30, 2023 and 2022, respectively, but excluded from the calculation of diluted earnings per common share because their inclusion would have been anti-dilutive.

Investment Securities

Investment Securities	9 Months Ended
Investment Securities	Sep. 30, 2023
Investments, Debt and Equity Securities [Abstract]
Investment Securities	Note 3 Investment Securities Investment securities include investment securities available for sale, marketable equity securities, and investment securities held to maturity. The investment securities portfolio consisted of the following at the dates indicated (in thousands): September 30, 2023 Amortized Cost Gross Unrealized Carrying Value (1) Gains Losses Investment securities available for sale: U.S. Treasury securities $ 119,480 $ — $ (12,875) $ 106,605 U.S. Government agency and sponsored enterprise residential MBS 1,979,751 1,228 (48,521) 1,932,458 U.S. Government agency and sponsored enterprise commercial MBS 572,284 122 (80,566) 491,840 Private label residential MBS and CMOs 2,643,718 3 (353,396) 2,290,325 Private label commercial MBS 2,351,312 767 (95,750) 2,256,329 Single family real estate-backed securities 418,422 — (24,958) 393,464 Collateralized loan obligations 1,059,953 575 (12,716) 1,047,812 Non-mortgage asset-backed securities 108,360 41 (4,057) 104,344 State and municipal obligations 107,873 — (10,638) 97,235 SBA securities 113,884 210 (3,439) 110,655 9,475,037 $ 2,946 $ (646,916) 8,831,067 Investment securities held to maturity 10,000 10,000 $ 9,485,037 8,841,067 Marketable equity securities 45,417 $ 8,886,484 December 31, 2022 Amortized Cost Gross Unrealized Carrying Value (1) Gains Losses Investment securities available for sale: U.S. Treasury securities $ 148,956 $ 63 $ (13,178) $ 135,841 U.S. Government agency and sponsored enterprise residential MBS 2,036,693 1,334 (54,859) 1,983,168 U.S. Government agency and sponsored enterprise commercial MBS 600,517 — (75,423) 525,094 Private label residential MBS and CMOs 2,864,589 54 (333,980) 2,530,663 Private label commercial MBS 2,645,168 176 (120,990) 2,524,354 Single family real estate-backed securities 502,194 — (31,753) 470,441 Collateralized loan obligations 1,166,838 151 (30,526) 1,136,463 Non-mortgage asset-backed securities 102,194 — (6,218) 95,976 State and municipal obligations 122,181 695 (6,215) 116,661 SBA securities 139,320 381 (3,919) 135,782 10,328,650 $ 2,854 $ (677,061) 9,654,443 Investment securities held to maturity 10,000 10,000 $ 10,338,650 9,664,443 Marketable equity securities 90,884 $ 9,755,327 (1) At fair value except for securities held to maturity. Investment securities held to maturity at September 30, 2023 and December 31, 2022 consisted of one State of Israel bond maturing in 2024. Accrued interest receivable on investments totaled $35 million and $34 million at September 30, 2023 and December 31, 2022, respectively, and is included in other assets in the accompanying consolidated balance sheets. At September 30, 2023, contractual maturities of investment securities available for sale, adjusted for anticipated prepayments when applicable, were as follows (in thousands): Amortized Cost Fair Value Due in one year or less $ 1,155,146 $ 1,095,289 Due after one year through five years 5,306,505 5,095,745 Due after five years through ten years 1,709,432 1,518,508 Due after ten years 1,303,954 1,121,525 $ 9,475,037 $ 8,831,067 The carrying value of securities pledged as collateral for FHLB advances, public deposits, interest rate swaps and to secure borrowing capacity at the FRB totaled $7.7 billion and $4.1 billion at September 30, 2023 and December 31, 2022, respectively. The following table provides information about gains and losses on investment securities for the periods indicated (in thousands): Three Months Ended September 30, Nine Months Ended September 30, 2023 2022 2023 2022 Gross realized gains on investment securities AFS $ 242 $ 352 $ 1,861 $ 4,058 Gross realized losses on investment securities AFS (27) (3) (47) (131) Net realized gain 215 349 1,814 3,927 Net gains (losses) on marketable equity securities recognized in earnings 672 (214) (12,483) (20,052) Gain (loss) on investment securities, net $ 887 $ 135 $ (10,669) $ (16,125) The following tables present the aggregate fair value and the aggregate amount by which amortized cost exceeded fair value for investment securities available for sale in unrealized loss positions aggregated by investment category and length of time that individual securities had been in continuous unrealized loss positions at the dates indicated (in thousands): September 30, 2023 Less than 12 Months 12 Months or Greater Total Fair Value Unrealized Losses Fair Value Unrealized Losses Fair Value Unrealized Losses U.S. Treasury securities $ 9,847 $ (113) $ 96,758 $ (12,762) $ 106,605 $ (12,875) U.S. Government agency and sponsored enterprise residential MBS 85,955 (1,008) 1,707,210 (47,513) 1,793,165 (48,521) U.S. Government agency and sponsored enterprise commercial MBS 3,089 (254) 475,204 (80,312) 478,293 (80,566) Private label residential MBS and CMOs 28,407 (440) 2,249,139 (352,956) 2,277,546 (353,396) Private label commercial MBS 117,009 (1,400) 2,044,864 (94,350) 2,161,873 (95,750) Single family real estate-backed securities 29,764 (22) 363,700 (24,936) 393,464 (24,958) Collateralized loan obligations 89,928 (72) 909,457 (12,644) 999,385 (12,716) Non-mortgage asset-backed securities — — 81,373 (4,057) 81,373 (4,057) State and municipal obligations 68,039 (2,789) 29,196 (7,849) 97,235 (10,638) SBA securities 8,496 (48) 89,696 (3,391) 98,192 (3,439) $ 440,534 $ (6,146) $ 8,046,597 $ (640,770) $ 8,487,131 $ (646,916) December 31, 2022 Less than 12 Months 12 Months or Greater Total Fair Value Unrealized Losses Fair Value Unrealized Losses Fair Value Unrealized Losses U.S. Treasury securities $ 29,198 $ (495) $ 86,744 $ (12,683) $ 115,942 $ (13,178) U.S. Government agency and sponsored enterprise residential MBS 1,243,286 (26,789) 672,322 (28,070) 1,915,608 (54,859) U.S. Government agency and sponsored enterprise commercial MBS 236,102 (5,736) 288,992 (69,687) 525,094 (75,423) Private label residential MBS and CMOs 1,103,578 (93,480) 1,413,642 (240,500) 2,517,220 (333,980) Private label commercial MBS 1,191,969 (39,729) 1,223,223 (81,261) 2,415,192 (120,990) Single family real estate-backed securities 391,421 (22,293) 79,020 (9,460) 470,441 (31,753) Collateralized loan obligations 596,803 (14,020) 494,945 (16,506) 1,091,748 (30,526) Non-mortgage asset-backed securities 95,976 (6,218) — — 95,976 (6,218) State and municipal obligations 67,444 (6,154) 1,114 (61) 68,558 (6,215) SBA securities 42,900 (553) 74,291 (3,366) 117,191 (3,919) $ 4,998,677 $ (215,467) $ 4,334,293 $ (461,594) $ 9,332,970 $ (677,061) The Company monitors its investment securities available for sale for credit loss impairment on an individual security basis. No securities were determined to be credit loss impaired during the three and nine months ended September 30, 2023 and 2022. At September 30, 2023, the Company did not have an intent to sell securities that were in unrealized loss positions, and it was not more likely than not that the Company would be required to sell these securities before recovery of the amortized cost basis, which may be at maturity. In making this determination, the Company considered its current and projected liquidity position including its ability to pledge securities to generate liquidity, its investment policy as to permissible holdings and concentration limits, regulatory requirements and other relevant factors. While recent events impacting the banking sector have impacted the liquidity profile of many banks, including BankUnited, the substantial majority of our investment securities are pledgeable at either the FHLB or FRB. We have not sold, and do not anticipate the need to sell, securities in unrealized loss positions to generate liquidity. At September 30, 2023, 587 securities available for sale were in unrealized loss positions. The amount of impairment related to 105 of these securities was considered insignificant both individually and in the aggregate, totaling approximately $1.0 million and no further analysis with respect to these securities was considered necessary. The basis for concluding that AFS securities were not credit loss impaired and no ACL was considered necessary at September 30, 2023, is further discussed below. Unrealized losses were generally attributable to rising interest rates and widening spreads related to the Federal Reserve's quantitative tightening and benchmark interest rate increases . Continuing uncertainty with respect to the trajectory of the economy has also led to market uncertainty, producing some yield curve dislocations. The investment securities AFS portfolio was in a net unrealized loss position of $644.0 million at September 30, 2023, compared to $674.2 million at December 31, 2022, improving by $30 million during the nine months ended September 30, 2023. U.S. Government, U.S. Government Agency and Government Sponsored Enterprise Securities At September 30, 2023, six U.S. treasury, 156 U.S. Government agency and sponsored enterprise residential MBS, 27 U.S. Government agency and sponsored enterprise commercial MBS, and 18 SBA securities were in unrealized loss positions. The timely payment of principal and interest on these securities is explicitly or implicitly guaranteed by the U.S. Government. As such, there is an assumption of zero credit loss and the Company expects to recover the amortized cost basis of these securities. Private Label Securities: None of the impaired private label securities had missed principal or interest payments or had been downgraded by a NRSRO at September 30, 2023. The Company performed an analysis comparing the present value of cash flows expected to be collected to the amortized cost basis of impaired securities. This analysis was based on a scenario that we believe to be generally more conservative than our reasonable and supportable economic forecast at September 30, 2023, and incorporated assumptions about voluntary prepayment rates, collateral defaults, delinquencies, severity and other relevant factors as described further below. Our analysis also considered the structural characteristics of each security and the level of credit enhancement provided by that structure. Private label residential MBS and CMOs At September 30, 2023, 116 private label residential MBS and CMOs were in unrealized loss positions. Our analysis of cash flows expected to be collected on these securities incorporated assumptions about collateral default rates, voluntary prepayment rates, loss severity, delinquencies and recovery lag. In developing those assumptions, we took into account collateral quality measures such as FICO, LTV, documentation, loan type, property type, agency availability criteria and performing status. We also regularly monitor sector data including home price appreciation, forbearance, delinquency and prepay trends as well as other economic data that could be indicative of stress in the sector. Our September 30, 2023 analysis projected weighted average collateral losses for impaired securities in this category of 2% compared to weighted average credit support of 18%. As of September 30, 2023, 94% of impaired securities in this category, based on carrying value, were externally rated AAA, 4% were rated AA and 2% were rated A. Private label commercial MBS At September 30, 2023, 100 private label commercial MBS were in unrealized loss positions. Our analysis of cash flows expected to be collected on these securities incorporated assumptions about collateral default rates, voluntary prepayment rates, loss severity, delinquencies and recovery lag. In developing those assumptions, we took into account collateral quality and type, loan size, loan purpose and other qualitative factors. We also regularly monitor collateral watch lists, bankruptcy data, defeasance data, special servicing trends, delinquency and other economic data that could be indicative of stress in the sector. Our September 30, 2023 analysis projected weighted average collateral losses for impaired securities in this category of 6% compared to weighted average credit support of 43%. As of September 30, 2023, 85% of impaired securities in this category, based on carrying value, were externally rated AAA, 10% were rated AA and 5% were rated A. Single family real estate-backed securities At September 30, 2023, 13 single family rental real estate-backed securities were in unrealized loss positions. Our analysis of cash flows expected to be collected on these securities incorporated assumptions about collateral default rates, loss severity, delinquencies and recovery lag. We regularly monitor sector data including home price appreciation, forbearance, delinquency and prepay trends as well as other economic data that could be indicative of stress in the sector. Our September 30, 2023 analysis projected weighted average collateral losses for this category of 7% compared to weighted average credit support of 53%. As of September 30, 2023, 58% of impaired securities in this category, based on carrying value, were externally rated AAA, 16% were rated AA and one security was not externally rated. Collateralized loan obligations At September 30, 2023, 26 collateralized loan obligations were in unrealized loss positions. Our analysis of cash flows expected to be collected on these securities incorporated assumptions about collateral default rates, loss severity, and delinquencies, calibrated to take into account idiosyncratic risks associated with the underlying collateral. In developing those assumptions, we took into account each sector’s performance pre-, during and post the 2008 financial crisis. We regularly engage with bond managers to monitor trends in underlying collateral including potential downgrades and subsequent cash flow diversions, liquidity, ratings migration, and any other relevant developments. Our September 30, 2023 analysis projected weighted average collateral losses for impaired securities in this category of 11% compared to weighted average credit support of 45%. As of September 30, 2023, 81% of the impaired securities in this category, based on carrying value, were externally rated AAA, 15% were rated AA and 4% were rated A. Non-mortgage asset-backed securities At September 30, 2023, six non-mortgage asset-backed securities were in unrealized loss positions. These securities are backed by student loan collateral. Our analysis of cash flows expected to be collected on these securities incorporated assumptions about collateral default rates, loss severity, delinquencies, voluntary prepayment rates and recovery lag. In developing assumptions, we took into account collateral type, delineated by whether collateral consisted of loans to borrowers in school, refinancing, or a mixture. Our September 30, 2023 analysis projected weighted average collateral losses for impaired securities in this category of 4% compared to weighted average credit support of 24%. As of September 30, 2023, 39% of the impaired securities in this category, based on carrying value, were externally rated AAA, and 61% were rated AA. State and Municipal Obligations

Loans and Allowance for Credit

Loans and Allowance for Credit Losses	9 Months Ended
Loans and Allowance for Credit Losses	Sep. 30, 2023
Receivables [Abstract]
Loans and Allowance for Credit Losses	Note 4 Loans and Allowance for Credit Losses Loans consisted of the following at the dates indicated (dollars in thousands): September 30, 2023 December 31, 2022 Total Percent of Total Total Percent of Total Residential: 1-4 single family residential $ 6,982,832 28.7 % $ 7,128,834 28.6 % Government insured residential 1,397,736 5.7 % 1,771,880 7.1 % 8,380,568 34.4 % 8,900,714 35.7 % Commercial: Non-owner occupied commercial real estate 5,296,784 21.7 % 5,405,597 21.7 % Construction and land 445,273 1.8 % 294,360 1.2 % Owner occupied commercial real estate 1,851,246 7.6 % 1,890,813 7.6 % Commercial and industrial 6,658,010 27.4 % 6,417,721 25.9 % Pinnacle - municipal finance 900,199 3.7 % 912,122 3.7 % Franchise finance 196,745 0.8 % 253,774 1.0 % Equipment finance 219,874 0.9 % 286,147 1.1 % Mortgage warehouse lending 407,577 1.7 % 524,740 2.1 % 15,975,708 65.6 % 15,985,274 64.3 % Total loans 24,356,276 100.0 % 24,885,988 100.0 % Allowance for credit losses (196,063) (147,946) Loans, net $ 24,160,213 $ 24,738,042 Premiums, discounts and deferred fees and costs, excluding the non-credit related discount on PCD loans, totaled $50 million and $61 million at September 30, 2023 and December 31, 2022, respectively. The following table presents the amortized cost basis of residential PCD loans and the related amount of non-credit discount, net of the related ACL, at the dates indicated (in thousands): September 30, 2023 December 31, 2022 UPB $ 84,904 $ 96,437 Non-credit discount (37,799) (44,354) Total amortized cost of PCD loans 47,105 52,083 ACL related to PCD loans (169) (409) PCD loans, net $ 46,936 $ 51,674 Included in loans, net are direct or sales type finance leases totaling $627 million and $634 million at September 30, 2023 and December 31, 2022, respectively. The amount of income recognized from direct or sales type finance leases for the three and nine months ended September 30, 2023 and 2022 totaled $4.3 million, $13.0 million, $4.6 million and $13.6 million, respectively, and is included in interest income on loans in the consolidated statements of income. During the three and nine months ended September 30, 2023 and 2022, the Company purchased residential loans totaling $78 million, $418 million, $425 million and $2.0 billion, respectively. At September 30, 2023 and December 31, 2022, the Company had pledged loans with a carrying value of approximately $17.3 billion and $12.4 billion, respectively, as security for FHLB advances and Federal Reserve discount window capacity. At September 30, 2023 and December 31, 2022, accrued interest receivable on loans totaled $134 million and $129 million, respectively, and is included in other assets in the accompanying consolidated balance sheets. The amount of interest income reversed on non-accrual loans was not material for the three and nine months ended September 30, 2023 and 2022. Allowance for credit losses Activity in the ACL is summarized below for the periods indicated (in thousands): Three Months Ended September 30, 2023 2022 Residential Commercial Total Residential Commercial Total Beginning balance $ 8,887 $ 157,946 $ 166,833 $ 9,010 $ 121,229 $ 130,239 Provision (recovery) (860) 31,737 30,877 2,384 369 2,753 Charge-offs — (5,155) (5,155) — (4,280) (4,280) Recoveries 4 3,504 3,508 1 1,958 1,959 Ending balance $ 8,031 $ 188,032 $ 196,063 $ 11,395 $ 119,276 $ 130,671 Nine Months Ended September 30, 2023 2022 Residential Commercial Total Residential Commercial Total Beginning balance $ 11,741 $ 136,205 $ 147,946 $ 9,187 $ 117,270 $ 126,457 Impact of adoption of ASU 2022-02 (117) (1,677) (1,794) N/A N/A N/A Balance after adoption of ASU 2022-02 11,624 134,528 146,152 9,187 117,270 126,457 Provision (recovery) (3,602) 66,269 62,667 2,576 30,830 33,406 Charge-offs — (22,190) (22,190) (412) (35,518) (35,930) Recoveries 9 9,425 9,434 44 6,694 6,738 Ending balance $ 8,031 $ 188,032 $ 196,063 $ 11,395 $ 119,276 $ 130,671 The ACL was determined utilizing a 2-year reasonable and supportable forecast period. The quantitative portion of the ACL was determined using three weighted third-party provided economic scenarios. The ACL increased by $48.1 million, from 0.59% to 0.80% of total loans, at September 30, 2023 compared to December 31, 2022. The more significant factors impacting the provision for credit losses for the nine months ended September 30, 2023 included a deteriorating economic forecast and an increase in certain specific reserves. The following table presents gross charge-offs during the nine months ended September 30, 2023, by year of origination (in thousands): 2023 2022 2021 2020 2019 Prior to 2019 Revolving Loans Total CRE $ — $ — $ — $ — $ — $ 972 $ — $ 972 C&I 743 3,338 43 105 7,239 1,854 649 13,971 Franchise finance — — — 1,013 2,409 3,825 — 7,247 $ 743 $ 3,338 $ 43 $ 1,118 $ 9,648 $ 6,651 $ 649 $ 22,190 The following table presents the components of the provision for credit losses for the periods indicated (in thousands): Three Months Ended September 30, Nine Months Ended September 30, 2023 2022 2023 2022 Amount related to funded portion of loans $ 30,877 $ 2,753 $ 62,667 $ 33,406 Amount related to off-balance sheet credit exposures 2,172 967 5,687 2,267 Other — — — (127) Total provision for credit losses $ 33,049 $ 3,720 $ 68,354 $ 35,546 Credit quality information Credit quality of loans held for investment is continuously monitored by dedicated residential credit risk management and commercial portfolio management functions. The Company also has a workout and recovery department that monitors the credit quality of criticized and classified loans and an independent internal credit review function. Credit quality indicators for residential loans Management considers delinquency status to be the most meaningful indicator of the credit quality of residential loans, other than government insured residential loans. Delinquency statistics are updated at least monthly. LTV and FICO scores are also important indicators of credit quality for 1-4 single family residential loans other than government insured loans. FICO scores are generally updated semi-annually, and were most recently updated in the third quarter of 2023. LTVs are typically at origination since we do not routinely update residential appraisals. Substantially all of the government insured residential loans are government insured buyout loans, which the Company buys out of GNMA securitizations upon default. For these loans, traditional measures of credit quality are not particularly relevant considering the guaranteed nature of the loans and the underlying business model. Factors that impact risk inherent in the residential portfolio segment include national and regional economic conditions such as levels of unemployment, wages and interest rates, as well as residential property values. 1-4 Single Family Residential credit exposure, excluding government insured residential loans, based on delinquency status (in thousands): September 30, 2023 Amortized Cost By Origination Year 2023 2022 2021 2020 2019 Prior Total Current $ 308,113 $ 1,136,640 $ 3,003,418 $ 870,174 $ 302,053 $ 1,318,308 $ 6,938,706 30 - 59 Days Past Due 107 4,193 11,097 1,456 — 10,195 27,048 60 - 89 Days Past Due — 1,681 219 — — 739 2,639 90 Days or More Past Due — 6,127 128 2,050 1,563 4,571 14,439 $ 308,220 $ 1,148,641 $ 3,014,862 $ 873,680 $ 303,616 $ 1,333,813 $ 6,982,832 December 31, 2022 Amortized Cost By Origination Year 2022 2021 2020 2019 2018 Prior Total Current $ 1,185,611 $ 3,149,299 $ 916,923 $ 316,023 $ 177,891 $ 1,321,011 $ 7,066,758 30 - 59 Days Past Due 12,752 16,432 3,266 2,953 1,854 5,759 43,016 60 - 89 Days Past Due 252 1,196 229 1,347 — 1,052 4,076 90 Days or More Past Due 2,589 2,158 2,173 360 3,069 4,635 14,984 $ 1,201,204 $ 3,169,085 $ 922,591 $ 320,683 $ 182,814 $ 1,332,457 $ 7,128,834 1-4 Single Family Residential credit exposure, excluding government insured residential loans, based on LTV (in thousands): September 30, 2023 Amortized Cost By Origination Year LTV 2023 2022 2021 2020 2019 Prior Total Less than 61% $ 50,658 $ 265,342 $ 1,228,237 $ 331,864 $ 72,956 $ 452,361 $ 2,401,418 61% - 70% 53,499 285,656 822,152 223,781 73,589 308,859 1,767,536 71% - 80% 204,063 595,548 929,735 317,963 151,667 534,823 2,733,799 More than 80% — 2,095 34,738 72 5,404 37,770 80,079 $ 308,220 $ 1,148,641 $ 3,014,862 $ 873,680 $ 303,616 $ 1,333,813 $ 6,982,832 December 31, 2022 Amortized Cost By Origination Year LTV 2022 2021 2020 2019 2018 Prior Total Less than 61% $ 282,940 $ 1,301,279 $ 354,720 $ 76,404 $ 42,864 $ 472,090 $ 2,530,297 61% - 70% 295,206 857,008 231,732 80,383 49,047 310,649 1,824,025 71% - 80% 620,049 975,542 336,066 158,406 86,463 510,633 2,687,159 More than 80% 3,009 35,256 73 5,490 4,440 39,085 87,353 $ 1,201,204 $ 3,169,085 $ 922,591 $ 320,683 $ 182,814 $ 1,332,457 $ 7,128,834 1-4 Single Family Residential credit exposure, excluding government insured residential loans, based on FICO score (in thousands): September 30, 2023 Amortized Cost By Origination Year FICO 2023 2022 2021 2020 2019 Prior Total 760 or greater $ 211,896 $ 826,990 $ 2,412,587 $ 707,589 $ 207,477 $ 925,812 $ 5,292,351 720 - 759 67,543 195,347 396,763 101,249 52,928 216,033 1,029,863 719 or less 28,781 126,304 205,512 64,842 43,211 191,968 660,618 $ 308,220 $ 1,148,641 $ 3,014,862 $ 873,680 $ 303,616 $ 1,333,813 $ 6,982,832 December 31, 2022 Amortized Cost By Origination Year FICO 2022 2021 2020 2019 2018 Prior Total 760 or greater $ 805,125 $ 2,513,045 $ 721,982 $ 212,574 $ 97,076 $ 944,783 $ 5,294,585 720 - 759 285,507 485,528 132,928 62,301 45,857 216,047 1,228,168 719 or less 110,572 170,512 67,681 45,808 39,881 171,627 606,081 $ 1,201,204 $ 3,169,085 $ 922,591 $ 320,683 $ 182,814 $ 1,332,457 $ 7,128,834 Credit quality indicators for commercial loans Factors that impact risk inherent in commercial portfolio segments include but are not limited to levels of economic activity or potential disruptions in economic activity, health of the national, regional and to a lesser extent global economy, interest rates, industry trends, patterns of and trends in customer behavior that influence demand for our borrowers' products and services, and commercial real estate values. Internal risk ratings are considered the most meaningful indicator of credit quality for commercial loans. Internal risk ratings are generally indicative of the likelihood that a borrower will default, are a key factor influencing the level and nature of ongoing monitoring of loans and may impact the estimation of the ACL. Internal risk ratings are updated on a continuous basis. Generally, relationships with balances in excess of defined thresholds, ranging from $1 million to $3 million, are re-evaluated at least annually and more frequently if circumstances indicate that a change in risk rating may be warranted. The special mention rating is considered a transitional rating for loans exhibiting potential credit weaknesses that could result in deterioration of repayment prospects at some future date if not checked or corrected and that deserve management’s close attention. These borrowers may exhibit declining cash flows or revenues or increasing leverage. Loans with well-defined credit weaknesses that may result in a loss if the deficiencies are not corrected are assigned a risk rating of substandard. These borrowers may exhibit payment defaults, inadequate cash flows from current operations, operating losses, increasing balance sheet leverage, project cost overruns, unreasonable construction delays, exhausted interest reserves, declining collateral values, frequent overdrafts or past due real estate taxes. Loans with weaknesses so severe that collection in full is highly questionable or improbable, but because of certain reasonably specific pending factors have not been charged off, are assigned an internal risk rating of doubtful. Commercial credit exposure based on internal risk rating (in thousands): September 30, 2023 Amortized Cost By Origination Year Revolving Loans 2023 2022 2021 2020 2019 Prior Total CRE Pass $ 434,477 $ 1,246,679 $ 687,012 $ 538,336 $ 1,039,284 $ 1,198,408 $ 233,648 $ 5,377,844 Special mention — 54,913 2,119 — 17,733 184 — 74,949 Substandard — — — 19,007 109,880 160,377 — 289,264 Total CRE $ 434,477 $ 1,301,592 $ 689,131 $ 557,343 $ 1,166,897 $ 1,358,969 $ 233,648 $ 5,742,057 C&I Pass $ 1,031,714 $ 1,512,244 $ 678,519 $ 350,864 $ 488,934 $ 1,093,761 $ 2,801,246 $ 7,957,282 Special mention 9 64,338 81,766 15,199 50,348 20,157 32,882 264,699 Substandard 4,687 83,780 4,832 17,779 18,228 98,863 45,000 273,169 Doubtful — — — — — 14,106 — 14,106 Total C&I $ 1,036,410 $ 1,660,362 $ 765,117 $ 383,842 $ 557,510 $ 1,226,887 $ 2,879,128 $ 8,509,256 Pinnacle - municipal finance Pass $ 158,220 $ 140,362 $ 78,322 $ 34,597 $ 56,848 $ 431,850 $ — $ 900,199 Total Pinnacle - municipal finance $ 158,220 $ 140,362 $ 78,322 $ 34,597 $ 56,848 $ 431,850 $ — $ 900,199 Franchise finance Pass $ 5,381 $ 26,660 $ 37,233 $ 31,551 $ 23,706 $ 26,612 $ 334 $ 151,477 Special mention — — — 2,351 — — — 2,351 Substandard — 221 1,193 893 22,538 12,834 — 37,679 Doubtful — — — — — 5,238 — 5,238 Total Franchise finance $ 5,381 $ 26,881 $ 38,426 $ 34,795 $ 46,244 $ 44,684 $ 334 $ 196,745 Equipment Finance Pass $ 1,132 $ 9,147 $ 43,364 $ 14,878 $ 58,346 $ 62,535 $ — $ 189,402 Substandard — 15,066 2,151 — 6,126 7,129 — 30,472 Total Equipment finance $ 1,132 $ 24,213 $ 45,515 $ 14,878 $ 64,472 $ 69,664 $ — $ 219,874 Mortgage warehouse lending Pass $ — $ — $ — $ — $ — $ — $ 407,577 $ 407,577 Total Mortgage warehouse lending $ — $ — $ — $ — $ — $ — $ 407,577 $ 407,577 December 31, 2022 Amortized Cost By Origination Year Revolving Loans 2022 2021 2020 2019 2018 Prior Total CRE Pass $ 1,256,300 $ 758,025 $ 550,133 $ 1,138,113 $ 512,125 $ 932,030 $ 196,963 $ 5,343,689 Special mention — — — 18,006 — 709 — 18,715 Substandard 12,332 1,355 20,103 98,438 56,974 148,351 — 337,553 Total CRE $ 1,268,632 $ 759,380 $ 570,236 $ 1,254,557 $ 569,099 $ 1,081,090 $ 196,963 $ 5,699,957 C&I Pass $ 1,880,853 $ 825,410 $ 445,988 $ 689,003 $ 416,287 $ 832,952 $ 2,900,336 $ 7,990,829 Special mention 63 — 208 3,880 — 20,657 310 25,118 Substandard 25,898 13,916 3,319 103,625 19,715 104,190 21,277 291,940 Doubtful — — — — 647 — — 647 Total C&I $ 1,906,814 $ 839,326 $ 449,515 $ 796,508 $ 436,649 $ 957,799 $ 2,921,923 $ 8,308,534 Pinnacle - municipal finance Pass $ 179,223 $ 110,510 $ 66,592 $ 66,514 $ 29,783 $ 459,500 $ — $ 912,122 Total Pinnacle - municipal finance $ 179,223 $ 110,510 $ 66,592 $ 66,514 $ 29,783 $ 459,500 $ — $ 912,122 Franchise finance Pass $ 81,146 $ 19,251 $ 38,293 $ 34,483 $ 8,617 $ 6,799 $ — $ 188,589 Special mention — — — 5,432 2,168 — — 7,600 Substandard — 1,617 1,295 22,058 17,148 8,124 — 50,242 Doubtful — — 1,013 2,447 3,883 — — 7,343 Total franchise finance $ 81,146 $ 20,868 $ 40,601 $ 64,420 $ 31,816 $ 14,923 $ — $ 253,774 Equipment finance Pass $ 27,386 $ 55,015 $ 16,488 $ 90,286 $ 33,264 $ 62,353 $ — $ 284,792 Substandard — — — 1,355 — — — 1,355 Equipment finance $ 27,386 $ 55,015 $ 16,488 $ 91,641 $ 33,264 $ 62,353 $ — $ 286,147 Mortgage warehouse lending Pass $ — $ — $ — $ — $ — $ — $ 524,740 $ 524,740 Total Mortgage warehouse lending $ — $ — $ — $ — $ — $ — $ 524,740 $ 524,740 At September 30, 2023 and December 31, 2022, the balance of revolving loans converted to term loans was immaterial. The following table presents criticized and classified commercial loans, in aggregate by risk rating category, at the dates indicated (in thousands): September 30, 2023 December 31, 2022 Special mention $ 341,999 $ 51,433 Substandard - accruing 534,336 605,965 Substandard - non-accruing 96,248 75,125 Doubtful 19,344 7,990 Total $ 991,927 $ 740,513 Past Due and Non-Accrual Loans: The following table presents an aging of loans at the dates indicated (in thousands): September 30, 2023 December 31, 2022 Current 30 - 59 60 - 89 90 Days or Total Current 30 - 59 60 - 89 90 Days or Total 1-4 single family residential $ 6,938,706 $ 27,048 $ 2,639 $ 14,439 $ 6,982,832 $ 7,066,758 $ 43,016 $ 4,076 $ 14,984 $ 7,128,834 Government insured residential 872,098 141,190 70,721 313,727 1,397,736 1,025,523 159,461 94,294 492,602 1,771,880 CRE 5,726,861 — 2,004 13,192 5,742,057 5,680,829 4,328 4,773 10,027 5,699,957 C&I 8,475,471 131 6,276 27,378 8,509,256 8,280,321 2,508 1,028 24,677 8,308,534 Pinnacle - municipal finance 900,199 — — — 900,199 912,122 — — — 912,122 Franchise finance 196,745 — — — 196,745 243,574 1,321 — 8,879 253,774 Equipment finance 219,874 — — — 219,874 286,147 — — — 286,147 Mortgage warehouse lending 407,577 — — — 407,577 524,740 — — — 524,740 $ 23,737,531 $ 168,369 $ 81,640 $ 368,736 $ 24,356,276 $ 24,020,014 $ 210,634 $ 104,171 $ 551,169 $ 24,885,988 Included in the table above is the guaranteed portion of SBA loans past due by 90 days or more totaling $34.2 million and $30.8 million at September 30, 2023 and December 31, 2022, respectively. Loans contractually delinquent by 90 days or more and still accruing totaled $315 million and $494 million at September 30, 2023 and December 31, 2022, respectively, substantially all of which were government insured residential loans. These loans are government insured pool buyout loans, which the Company buys out of GNMA securitizations upon default. The following table presents information about loans on non-accrual status at the dates indicated (in thousands): September 30, 2023 December 31, 2022 Amortized Cost Amortized Cost With No Related Allowance Amortized Cost Amortized Cost With No Related Allowance 1-4 single family residential $ 20,707 $ — $ 21,311 $ — CRE 16,987 2,004 22,352 6,911 C&I 80,712 42,035 47,473 15,642 Franchise finance 17,893 10,314 13,290 1,668 $ 136,299 $ 54,353 $ 104,426 $ 24,221 Included in the table above is the guaranteed portion of non-accrual SBA loans totaling $37.8 million and $40.3 million at September 30, 2023 and December 31, 2022, respectively. The amount of interest income recognized on non-accrual loans was insignificant for the three and nine months ended September 30, 2023 and 2022. The amount of additional interest income that would have been recognized on non-accrual loans had they performed in accordance with their contractual terms was approximately $2.2 million and $5.6 million for the three and nine months ended September 30, 2023, respectively, and $2.1 million and $5.2 million for three and nine months ended September 30, 2022, respectively. Collateral dependent loans: The following table presents the amortized cost basis of collateral dependent loans at the dates indicated (in thousands): September 30, 2023 December 31, 2022 Amortized Cost Extent to Which Secured by Collateral Amortized Cost Extent to Which Secured by Collateral 1-4 single family residential $ — $ — $ 730 $ 730 Commercial: CRE 14,662 14,662 19,486 18,353 C&I 49,542 40,001 26,404 25,344 Franchise finance 17,673 11,395 11,445 3,729 Total commercial 81,877 66,058 57,335 47,426 $ 81,877 $ 66,058 $ 58,065 $ 48,156 Collateral for the CRE loan class generally consists of commercial real estate, or for certain construction loans, residential real estate. Collateral for C&I loans generally consists of equipment, accounts receivable, inventory and other business assets and for owner-occupied commercial real estate loans, may also include commercial real estate. Franchise finance loans may be collateralized by franchise value or by equipment. Residential loans are collateralized by residential real estate. There were no significant changes to the extent to which collateral secured collateral dependent loans during the nine months ended September 30, 2023. Foreclosure of residential real estate The recorded investment in residential loans in the process of foreclosure was $305 million, of which $294 million was government insured, at September 30, 2023 and $413 million, of which $400 million was government insured, at December 31, 2022. The carrying amount of foreclosed residential real estate included in other assets in the accompanying consolidated balance sheet was insignificant at September 30, 2023 and December 31, 2022. Loan Modifications The following tables summarize loans that were modified for borrowers experiencing financial difficulty, by type of modification, during the periods indicated (dollars in thousands): Three Months Ended September 30, 2023 Interest Rate Reduction Term Extension Combination - Interest Rate Reduction and Term Extension Total % (1) Total % (1) Total % (1) Total Government insured residential $ — — % $ 27,710 2 % $ 687 — % $ 28,397 C&I — — % 1,475 — % — — % 1,475 Franchise finance — — % 11,085 6 % — — % 11,085 $ — $ 40,270 $ 687 $ 40,957 Nine Months Ended September 30, 2023 Interest Rate Reduction Term Extension Combination - Interest Rate Reduction and Term Extension Total % (1) Total % (1) Total % (1) Total 1-4 single family residential $ 759 — % $ — — % $ — — % $ 759 Government insured residential 106 — % 64,520 5 % 2,549 — % 67,175 C&I — — % 5,786 — % — — % 5,786 Franchise finance — — % 14,470 7 % — — % 14,470 $ 865 $ 84,776 $ 2,549 $ 88,190 (1) Represents percentage of loans receivable in each category. The following tables summarize the financial effect of the modifications made to borrowers experiencing difficulty, during the periods indicated: Three Months Ended September 30, 2023 Financial Effect Term Extension: Government insured residential Added a weighted average 9.2 years to the term of the modified loans. C&I Added a weighted average 0.5 years to the term of the modified loans. Franchise finance Added a weighted average 2.1 years to the term of the modified loans. Combination - Interest Rate Reduction and Term Extension: Government insured residential Reduced weighted average contractual interest rate from 5.5% to 4.2% and added a weighted average 12.0 years to the term of the modified loans. Nine Months Ended September 30, 2023 Financial Effect Interest Rate Reduction: 1-4 single family residential Reduced weighted average contractual interest rate from 3.8% to 3.1%. Government insured residential Reduced weighted average contractual interest rate from 4.8% to 3.8%. Term Extension: Government insured residential Added a weighted average 8.4 years to the term of the modified loans. C&I Added a weighted average 0.6 years to the term of the modified loans. Franchise finance Added a weighted average 1.8 years to the term of the modified loans. Combination - Interest Rate Reduction and Term Extension: Government insured residential Reduced weighted average contractual interest rate from 5.7% to 4.7% and added a weighted average 7.8 years to the term of the modified loans. The following table presents the aging at September 30, 2023, of loans that were modified since January 1, 2023, the date of adoption of ASU 2022-02 (in thousands): Current 30-59 Days Past Due 60-89 Days Past Due 90 Days or More Past Due Total 1-4 single family residential $ — $ 759 $ — $ — $ 759 Government insured residential 29,177 13,286 8,465 16,247 67,175 C&I 5,786 — — — 5,786 Franchise finance 14,470 — — — 14,470 $ 49,433 $ 14,045 $ 8,465 $ 16,247 $ 88,190 The following tables summarizes loans that were modified since January 1, 2023, the date of adoption of ASU 2022-02, and subsequently defaulted, during the periods indicated (in thousands): Three Months Ended September 30, 2023 Interest Rate Reduction Term Extension Combination - Interest Rate Reduction and Term Extension Total Government insured residential $ — $ 14,699 $ 548 $ 15,247 Nine Months Ended September 30, 2023 Interest Rate Reduction Term Extension Combination - Interest Rate Reduction and Term Extension Total Government insured residential $ 106 $ 28,432 $ 860 $ 29,398 Disclosures Prescribed by Legacy GAAP (Before Adoption of ASU 2022-02) for Prior Periods The following table summarizes loans that were modified in TDRs during the periods indicated, as well as loans modified during the twelve months preceding September 30, 2022 that experienced payment defaults during the periods indicated (dollars in thousands): Three Months Ended September 30, 2022 Nine Months Ended September 30, 2022 Loans Modified in TDRs TDRs Experiencing Payment Loans Modified in TDRs TDRs Experiencing Payment Number of Amortized Cost Number of Amortized Cost Number of Amortized Cost Number of Amortized Cost 1-4 single family residential 1 $ 96 — $ — 10 $ 5,385 — $ — Government insured residential 559 85,200 730 113,330 2,094 327,635 825 128,169 C&I 4 7,611 1 1,199 18 41,639 1 1,199 Bridge - franchise finance 4 6,615 4 6,615 4 6,615 4 6,615 568 $ 99,522 735 $ 121,144 2,126 $ 381,274 830 $ 135,983 TDRs during the three and nine months ended September 30, 2022 generally included interest rate reductions and extensions of maturity. Included in TDRs are residential loans to borrowers who have not reaffirmed their debt discharged in Chapter 7 bankruptcy. The total amount of such loans is not material.

Income Taxes

Income Taxes	9 Months Ended
Income Taxes	Sep. 30, 2023
Income Tax Disclosure [Abstract]
Income Taxes	Note 5 Income TaxesThe Company’s effective income tax rate was 24.7% and 25.9% for the three and nine months ended September 30, 2023, respectively, and 25.0% and 24.7% for the three and nine months ended September 30, 2022, respectively. The effective income tax rates differed from the statutory federal income tax rate of 21% for the three and nine months ended September 30, 2023 and 2022 due primarily to the impact of state income taxes, partially offset by the benefit of income not subject to federal tax

Derivatives and Hedging Activit

Derivatives and Hedging Activities	9 Months Ended
Derivatives and Hedging Activities	Sep. 30, 2023
Derivative Instruments and Hedging Activities Disclosure [Abstract]
Derivatives and Hedging Activities	Derivative Financial Instruments Derivatives designated as hedging instruments The Company has entered into interest rate swaps, caps and collars designated as cash flow hedges with the objective of limiting the variability of interest payment cash flows. The Company has also entered into interest rate swaps designated as fair value hedges designed to hedge changes in the fair value of outstanding fixed rate instruments caused by fluctuations in the benchmark interest rate. Changes in fair value of derivative instruments designated as cash flow hedges are reported in accumulated other comprehensive income. Changes in the fair value of derivative instruments designated as fair value hedges are recognized in earnings, as is the offsetting gain or loss on the hedged item. The following table summarizes the Company's derivatives designated as hedging instruments as of the dates indicated (in thousands): September 30, 2023 December 31, 2022 Notional Amount Fair Value (1) Notional Amount Fair Value (1) Asset Liability Asset Liability Derivatives designated as cash flow hedges: Interest rate swaps $ 2,715,000 $ — $ (4,899) $ 1,970,000 $ 941 $ (1,514) Interest rate caps purchased 200,000 13,910 — 200,000 15,673 — Interest rate collar (2) 125,000 — (595) 125,000 — (203) Derivatives designated as fair value hedges: Pay-fixed interest rate swaps 100,000 — — 100,000 — — $ 3,140,000 $ 13,910 $ (5,494) $ 2,395,000 $ 16,614 $ (1,717) (1) The fair values of derivatives are included in other assets or other liabilities in the consolidated balance sheets. (2) The interest rate collar consists of a combination of zero-premium interest rate options. The Company sold a pay-variable cap with a strike price of 5.58%; sold a 0% floor; and purchased a receive-variable floor with a strike price of 1.50%. Derivatives designated as cash flow hedges The following table provides information about the amount of gain (loss) related to derivatives designated as cash flow hedges reclassified from AOCI into interest expense for the periods indicated (in thousands): Three Months Ended September 30, Nine Months Ended September 30, 2023 2022 2023 2022 Location of gain (loss) reclassified from AOCI into income: Interest expense on borrowings $ 13,442 $ (590) $ 30,935 $ (9,003) Interest expense on deposits 6,300 972 17,162 (205) Interest income on loans (781) — (1,795) — $ 18,961 $ 382 $ 46,302 $ (9,208) During the three and nine months ended September 30, 2023 and 2022, no derivative positions designated as cash flow hedges were discontinued and none of the gains and losses reported in AOCI were reclassified into earnings as a result of the discontinuance of cash flow hedges or because of the early extinguishment of debt. As of September 30, 2023, the amount of net gain expected to be reclassified from AOCI into earnings during the next twelve months was $52.7 million. See Note 7 to the consolidated financial statements for additional information about the reclassification adjustments from AOCI into earnings. Derivatives designated as fair value hedges The amount of gain (loss) related to derivatives designated as fair value hedges recognized in earnings was insignificant for the three and nine months ended September 30, 2023 and 2022. The following table provides information about the hedged items related to derivatives designated as fair value hedges at the date indicated (in thousands): September 30, 2023 Location in Consolidated Balance Sheets Contractual balance outstanding of hedged item (1) $ 100,000 Loans Cumulative fair value hedging adjustments $ (2,701) Loans (1) This amount is included in the amortized cost basis of a closed portfolio of loans used to designate hedging relationships in a portfolio layer method hedge in which the hedged item is anticipated to be outstanding for the designated hedge period. At September 30, 2023, the amortized cost basis of the closed portfolio used in this hedging relationship was $1.0 billion. Derivatives not designated as hedging instruments The Company enters into interest rate derivative contracts with certain of its commercial borrowers to enable those borrowers to manage their exposure to interest rate fluctuations. To mitigate interest rate risk associated with these derivative contracts, the Company enters into offsetting derivative contract positions with primary dealers. These interest rate derivative contracts are not designated as hedging instruments; therefore, changes in the fair value of these derivatives are recognized immediately in earnings. For the three and nine months ended September 30, 2023 and 2022, the impact on earnings related to changes in fair value of these derivatives was not material. The Company may be exposed to credit risk in the event of non-performance by the counterparties to its interest rate derivative agreements. The Company assesses the credit risk of its financial institution counterparties by monitoring publicly available credit rating and financial information. The Company manages dealer credit risk by entering into interest rate derivatives only with primary and highly rated counterparties, the use of ISDA master agreements, central clearing mechanisms and counterparty limits. The agreements contain bilateral collateral arrangements with the amount of collateral to be posted generally governed by the settlement value of outstanding swaps. The Company manages the risk of default by its commercial borrower counterparties through its normal loan underwriting and credit monitoring policies and procedures. The Company does not currently anticipate any significant losses from failure of interest rate derivative counterparties to honor their obligations. The following table summarizes the Company's derivatives not designated as hedging instruments as of the dates indicated (in thousands): September 30, 2023 December 31, 2022 Notional Amount Fair Value (1) Notional Amount Fair Value (1) Asset Liability Asset Liability Derivatives not designated as hedges: Pay-fixed interest rate swaps $ 2,040,182 $ 127,488 $ (285) $ 1,916,719 $ 67,942 $ (2,195) Pay-variable interest rate swaps 2,040,182 284 (128,764) 1,916,719 2,195 (120,320) Interest rate caps purchased 65,610 2,832 — 42,920 1,988 — Interest rate caps sold 65,610 — (2,832) 42,920 — (1,988) $ 4,211,584 $ 130,604 $ (131,881) $ 3,919,278 $ 72,125 $ (124,503) (1) Fair values of these derivatives are included in other assets and other liabilities in the consolidated balance sheets. Some of the Company’s ISDA master agreements with financial institution counterparties contain provisions that permit either counterparty to terminate the agreements and require settlement in the event that regulatory capital ratios fall below certain designated thresholds, upon the initiation of other defined regulatory actions or upon suspension or withdrawal of the Bank’s credit rating. Currently, there are no circumstances that would trigger these provisions of the agreements. Master netting agreements The Company does not offset assets and liabilities under master netting agreements for financial reporting purposes. Information on interest rate swaps and caps subject to these agreements is as follows at the dates indicated (in thousands): September 30, 2023 Gross Amounts Offset in Balance Net Amounts Presented in Gross Amounts Not Offset in Gross Amounts Derivative Collateral Net Amount Derivative assets $ 144,230 $ — $ 144,230 $ (5,779) $ (138,264) $ 187 Derivative liabilities (5,779) — (5,779) 5,779 — — $ 138,451 $ — $ 138,451 $ — $ (138,264) $ 187 December 31, 2022 Gross Amounts Offset in Balance Net Amounts Presented in Gross Amounts Not Offset in Gross Amounts Derivative Collateral Net Amount Derivative assets $ 86,544 $ — $ 86,544 $ (3,912) $ (79,447) $ 3,185 Derivative liabilities (3,912) — (3,912) 3,912 — — $ 82,632 $ — $ 82,632 $ — $ (79,447) $ 3,185 The difference between the amounts reported for interest rate swaps subject to master netting agreements and the total fair value of interest rate contract derivative financial instruments reported in the consolidated balance sheets is related to interest rate derivative contracts not subject to master netting agreements. Risk Participation Agreements The Company purchases and sells credit protection under RPAs with the objective of sharing with financial institution counterparties some of the credit exposure related to interest rate derivative contracts entered into with commercial borrowers related to participations purchased or sold. The Company will make or receive payments under these agreements if a customer defaults on an obligation to perform under certain interest rate derivative contracts. At September 30, 2023 and December 31, 2022, the notional amount of the RPAs was $354 million and $202 million, respectively. The fair value of these derivatives was not material at September 30, 2023 and December 31, 2022.

Stockholders' Equity

Stockholders' Equity	9 Months Ended
Stockholders' Equity	Sep. 30, 2023
Equity [Abstract]
Stockholders' Equity	Note 7 Stockholders’ Equity Accumulated Other Comprehensive Income Changes in other comprehensive income are summarized as follows for the periods indicated (in thousands): Three Months Ended September 30, 2023 2022 Before Tax Tax Effect Net of Tax Before Tax Tax Effect Net of Tax Unrealized gains (losses) on investment securities available for sale: Net unrealized holding losses arising during the period $ (44,397) $ 11,543 $ (32,854) $ (158,514) $ 41,214 $ (117,300) Amounts reclassified to gain on investment securities available for sale, net (215) 56 (159) (349) 91 (258) Net change in unrealized gains (losses) on investment securities available for sale (44,612) 11,599 (33,013) (158,863) 41,305 (117,558) Unrealized gains (losses) on derivative instruments: Net unrealized holding gains arising during the period 16,771 (4,361) 12,410 41,209 (10,714) 30,495 Amounts reclassified to interest expense on deposits (6,300) 1,638 (4,662) (972) 253 (719) Amounts reclassified to interest expense on borrowings (13,442) 3,495 (9,947) 590 (154) 436 Amounts reclassified to interest income on loans 781 (203) 578 — — — Net change in unrealized gains (losses) on derivative instruments (2,190) 569 (1,621) 40,827 (10,615) 30,212 Other comprehensive loss $ (46,802) $ 12,168 $ (34,634) $ (118,036) $ 30,690 $ (87,346) Nine Months Ended September 30, 2023 2022 Before Tax Tax Effect Net of Tax Before Tax Tax Effect Net of Tax Unrealized gains (losses) on investment securities available for sale: Net unrealized holding gains (losses) arising during the period $ 32,050 $ (8,333) $ 23,717 $ (635,446) $ 165,197 $ (470,249) Amounts reclassified to gain on investment securities available for sale, net (1,814) 472 (1,342) (3,927) 1,021 (2,906) Net change in unrealized gains (losses) on investment securities available for sale 30,236 (7,861) 22,375 (639,373) 166,218 (473,155) Unrealized gains (losses) on derivative instruments: Net unrealized holding gains arising during the period 57,565 (14,967) 42,598 100,559 (26,019) 74,540 Amounts reclassified to interest expense on deposits (17,162) 4,462 (12,700) 205 (53) 152 Amounts reclassified to interest expense on borrowings (30,935) 8,043 (22,892) 9,003 (2,341) 6,662 Amounts reclassified to interest income on loans 1,795 (467) 1,328 — — — Net change in unrealized gains (losses) on derivative instruments 11,263 (2,929) 8,334 109,767 (28,413) 81,354 Other comprehensive income (loss) $ 41,499 $ (10,790) $ 30,709 $ (529,606) $ 137,805 $ (391,801) The categories of AOCI and changes therein are presented below for the periods indicated (in thousands): Three Months Ended September 30, Unrealized Loss on Investment Securities Available for Sale Unrealized Gain Total Balance at June 30, 2023 $ (443,523) $ 70,961 $ (372,562) Other comprehensive loss (33,013) (1,621) (34,634) Balance at September 30, 2023 $ (476,536) $ 69,340 $ (407,196) Balance at June 30, 2022 $ (352,738) $ 32,343 $ (320,395) Other comprehensive income (loss) (117,558) 30,212 (87,346) Balance at September 30, 2022 $ (470,296) $ 62,555 $ (407,741) Nine Months Ended September 30, Unrealized Gain (Loss) on Unrealized Gain (Loss) Total Balance at December 31, 2022 $ (498,911) $ 61,006 $ (437,905) Other comprehensive income 22,375 8,334 30,709 Balance at September 30, 2023 $ (476,536) $ 69,340 $ (407,196) Balance at December 31, 2021 $ 2,859 $ (18,799) $ (15,940) Other comprehensive income (loss) (473,155) 81,354 (391,801) Balance at September 30, 2022 $ (470,296) $ 62,555 $ (407,741)

Fair Value Measurements

Fair Value Measurements	9 Months Ended
Fair Value Measurements	Sep. 30, 2023
Fair Value Disclosures [Abstract]
Fair Value Measurements	Note 8 Fair Value Measurements Assets and liabilities measured at fair value on a recurring basis The following is a description of the methodologies used to estimate the fair values of assets and liabilities measured at fair value on a recurring basis and the level within the fair value hierarchy in which those measurements are typically classified. Investment securities available for sale and marketable equity securities —Fair value measurements are based on quoted prices in active markets when available; these measurements are classified within level 1 of the fair value hierarchy. These securities typically include U.S. Treasury securities and certain preferred stocks. If quoted prices in active markets are not available, fair values are estimated using quoted prices of securities with similar characteristics, quoted prices of identical securities in less active markets, discounted cash flow techniques, or matrix pricing models. These securities are generally classified within level 2 of the fair value hierarchy and include U.S. Government agency securities, U.S. Government agency and sponsored enterprise MBS, preferred stock investments for which level 1 valuations are not available, non-mortgage asset-backed securities, single family real estate-backed securities, private label residential MBS and CMOs, private label commercial MBS, collateralized loan obligations and state and municipal obligations. Pricing of these securities is generally primarily spread driven. Observable inputs that may impact the valuation of these securities include benchmark yield curves, credit spreads, reported trades, dealer quotes, bids, issuer spreads, current rating, historical constant prepayment rates, historical voluntary prepayment rates, structural and waterfall features of individual securities, published collateral data, and for certain securities, historical constant default rates and default severities. The Company uses third-party pricing services in determining fair value measurements for investment securities. To obtain an understanding of the methodologies and assumptions used, management reviews written documentation provided by the pricing services, conducts interviews with valuation desk personnel and reviews model results and detailed assumptions used to value selected securities as considered necessary. Management has established a robust price challenge process that includes a review by the treasury front office of all prices provided on a monthly basis. Any price evidencing unexpected month over month fluctuations or deviations from expectations is challenged. If considered necessary to resolve any discrepancies, a price will be obtained from an additional independent valuation source. The Company does not typically adjust the prices provided, other than through this established challenge process. The results of price challenges are subject to review by executive management. Any price discrepancies are resolved based on careful consideration of the assumptions and inputs employed by each of the pricing sources. Derivative financial instruments —Fair values of interest rate swaps, caps and collars are determined using widely accepted discounted cash flow modeling techniques. These discounted cash flow models use projections of future cash payments and receipts that are discounted at mid-market rates. Observable inputs that may impact the valuation of these instruments include benchmark swap rates and benchmark forward yield curves. These fair value measurements are generally classified within level 2 of the fair value hierarchy. The following tables present assets and liabilities measured at fair value on a recurring basis at the dates indicated (in thousands): September 30, 2023 Level 1 Level 2 Total Investment securities available for sale: U.S. Treasury securities $ 106,605 $ — $ 106,605 U.S. Government agency and sponsored enterprise residential MBS — 1,932,458 1,932,458 U.S. Government agency and sponsored enterprise commercial MBS — 491,840 491,840 Private label residential MBS and CMOs — 2,290,325 2,290,325 Private label commercial MBS — 2,256,329 2,256,329 Single family real estate-backed securities — 393,464 393,464 Collateralized loan obligations — 1,047,812 1,047,812 Non-mortgage asset-backed securities — 104,344 104,344 State and municipal obligations — 97,235 97,235 SBA securities — 110,655 110,655 Marketable equity securities 45,417 — 45,417 Derivative assets — 144,514 144,514 Total assets at fair value $ 152,022 $ 8,868,976 $ 9,020,998 Derivative liabilities $ — $ (137,375) $ (137,375) Total liabilities at fair value $ — $ (137,375) $ (137,375) December 31, 2022 Level 1 Level 2 Total Investment securities available for sale: U.S. Treasury securities $ 135,841 $ — $ 135,841 U.S. Government agency and sponsored enterprise residential MBS — 1,983,168 1,983,168 U.S. Government agency and sponsored enterprise commercial MBS — 525,094 525,094 Private label residential MBS and CMOs — 2,530,663 2,530,663 Private label commercial MBS — 2,524,354 2,524,354 Single family real estate-backed securities — 470,441 470,441 Collateralized loan obligations — 1,136,463 1,136,463 Non-mortgage asset-backed securities — 95,976 95,976 State and municipal obligations — 116,661 116,661 SBA securities — 135,782 135,782 Marketable equity securities 90,884 — 90,884 Derivative assets — 88,739 88,739 Total assets at fair value $ 226,725 $ 9,607,341 $ 9,834,066 Derivative liabilities $ — $ (126,220) $ (126,220) Total liabilities at fair value $ — $ (126,220) $ (126,220) Assets and liabilities measured at fair value on a non-recurring basis Following is a description of the methodologies used to estimate the fair values of assets and liabilities that may be measured at fair value on a non-recurring basis, and the level within the fair value hierarchy in which those measurements are typically classified. Collateral dependent loans and OREO —The carrying amount of collateral dependent loans is typically based on the fair value of the underlying collateral, which may be real estate, enterprise value or other business assets, less estimated costs to sell when repayment is expected to come from the sale of the collateral. The carrying value of OREO is initially measured based on the fair value of the real estate acquired in foreclosure and subsequently adjusted to the lower of cost or estimated fair value, less estimated cost to sell. Fair values of real estate collateral and OREO are typically based on third-party real estate appraisals which utilize market and income approaches to valuation incorporating both observable and unobservable inputs. Fair value measurements related to collateral dependent loans and OREO are generally classified within level 3 of the fair value hierarchy. The following table presents the net carrying value of assets classified within level 3 of the fair value hierarchy at the dates indicated, for which non-recurring changes in fair value were recorded during the period then ended (in thousands): September 30, 2023 December 31, 2022 Collateral dependent loans $ 59,576 $ 31,789 OREO 29 693 $ 59,605 $ 32,482 The following table presents the carrying value and fair value of financial instruments and the level within the fair value hierarchy in which those measurements are classified at the dates indicated (dollars in thousands): September 30, 2023 December 31, 2022 Level Carrying Value Fair Value Carrying Value Fair Value Assets: Cash and cash equivalents 1 $ 391,885 $ 391,885 $ 572,647 $ 572,647 Investment securities 1/2 $ 8,886,484 $ 8,886,350 $ 9,755,327 $ 9,755,190 Non-marketable equity securities 2 $ 312,159 $ 312,159 $ 294,172 $ 294,172 Loans, net 3 $ 24,160,213 $ 22,606,322 $ 24,738,042 $ 23,342,950 Derivative assets 2 $ 144,514 $ 144,514 $ 88,739 $ 88,739 Liabilities: Demand, savings and money market deposits 2 $ 20,922,985 $ 20,922,985 $ 23,241,256 $ 23,241,256 Time deposits 2 $ 5,189,681 $ 5,132,900 $ 4,268,078 $ 4,231,167 Federal funds purchased 2 $ — $ — $ 190,000 $ 190,000 FHLB advances 2 $ 5,165,000 $ 5,164,688 $ 5,420,000 $ 5,419,588 Notes and other borrowings 2 $ 715,197 $ 642,941 $ 720,923 $ 698,359 Derivative liabilities 2 $ 137,375 $ 137,375 $ 126,220 $ 126,220

Commitments and Contingencies

Commitments and Contingencies	9 Months Ended
Commitments and Contingencies	Sep. 30, 2023
Commitments and Contingencies Disclosure [Abstract]
Commitments and Contingencies	Note 9 Commitments and Contingencies The Company issues off-balance sheet financial instruments to meet the financing needs of its customers. These financial instruments include commitments to fund loans, unfunded commitments under existing lines of credit, and commercial and standby letters of credit. These commitments expose the Company to varying degrees of credit and market risk which are essentially the same as those involved in extending loans to customers, and are subject to the same credit policies used in underwriting loans. Collateral may be obtained based on the Company’s credit evaluation of the counterparty. The Company’s maximum exposure to credit loss is represented by the contractual amount of these commitments. Commitments to fund loans These are agreements to lend funds to customers as long as there is no violation of any condition established in the contract. Commitments to fund loans generally have fixed expiration dates or other termination clauses and may require payment of a fee. Many of these commitments are expected to expire without being funded and, therefore, the total commitment amounts do not necessarily represent future liquidity requirements. Unfunded commitments under lines of credit Unfunded commitments under lines of credit include commercial and commercial real estate lines of credit to existing customers, for many of which additional extensions of credit are subject to borrowing base requirements. Some of these commitments may mature without being fully funded, so may not necessarily represent future liquidity requirements. Commercial and standby letters of credit Letters of credit are conditional commitments issued by the Company to guarantee the performance of a customer to a third party. These letters of credit are primarily issued to support trade transactions or guarantee arrangements. The credit risk involved in issuing letters of credit is essentially the same as that involved in extending loan facilities to customers. Total lending related commitments outstanding at September 30, 2023 were as follows (in thousands): Commitments to fund loans $ 324,957 Unfunded commitments under lines of credit 4,996,007 Commercial and standby letters of credit 148,310 $ 5,469,274 Legal Proceedings The Company is involved in various legal actions arising in the normal course of business. In the opinion of management, based upon advice of legal counsel, the likelihood is remote that the impact of these proceedings, either individually or in the aggregate, would be material to the Company’s consolidated financial position, results of operations or cash flows.

Deposits

Deposits	9 Months Ended
Deposits	Sep. 30, 2023
Broker-Dealer [Abstract]
Deposits	Note 10 Deposits The following table presents average balances and weighted average rates paid on deposits for the periods indicated (dollars in thousands): Three Months Ended September 30, Nine Months Ended September 30, 2023 2022 2023 2022 Average Average Rate Paid (1) Average Average Rate Paid (1) Average Average Rate Paid (1) Average Average Rate Paid (1) Demand deposits: Non-interest bearing $ 6,937,537 — % $ 8,749,794 — % $ 7,152,362 — % $ 9,071,135 — % Interest bearing 3,038,870 3.33 % 2,306,906 0.71 % 2,728,287 2.68 % 2,658,558 0.36 % Savings and money market 10,205,765 3.81 % 13,001,566 1.22 % 10,844,838 3.43 % 13,150,357 0.64 % Time 5,420,522 3.92 % 3,255,869 1.13 % 5,150,486 3.49 % 3,129,247 0.67 % $ 25,602,694 2.74 % $ 27,314,135 0.78 % $ 25,875,973 2.41 % $ 28,009,297 0.41 % (1) Annualized. Time deposit accounts with balances greater than $250,000 totaled $893 million and $730 million at September 30, 2023 and December 31, 2022, respectively. The following table presents maturities of time deposits as of September 30, 2023 (in thousands): Maturing in: 2023 $ 1,827,279 2024 2,890,024 2025 148,612 2026 323,052 2027 547 Thereafter 167 $ 5,189,681 Interest expense on deposits for the periods indicated was as follows (in thousands): Three Months Ended September 30, Nine Months Ended September 30, 2023 2022 2023 2022 Interest bearing demand $ 25,491 $ 4,104 $ 54,781 $ 7,215 Savings and money market 97,956 39,838 278,243 62,704 Time 53,527 9,264 134,448 15,650 $ 176,974 $ 53,206 $ 467,472 $ 85,569 During the three and nine months ended September 30, 2023 and 2022, costs related to certain customer rebate and commission programs totaled $11.1 million, $29.0 million, $4.3 million and $8.1 million, respectively. These costs are included in "other non-interest expense" in the accompanying consolidated statements of income.

Pay vs Performance Disclosure

Pay vs Performance Disclosure - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
Pay vs Performance Disclosure - USD ($) $ in Thousands	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Pay vs Performance Disclosure
Net income	$ 46,981	$ 87,850	$ 157,859	$ 220,764

Insider Trading Arrangements

Insider Trading Arrangements	3 Months Ended
Insider Trading Arrangements	Sep. 30, 2023
Trading Arrangements, by Individual
Rule 10b5-1 Arrangement Adopted	false
Non-Rule 10b5-1 Arrangement Adopted	false
Rule 10b5-1 Arrangement Terminated	false
Non-Rule 10b5-1 Arrangement Terminated	false

Basis of Presentation and Sum_2

Basis of Presentation and Summary of Significant Accounting Policies (Policies)	9 Months Ended
	Sep. 30, 2023
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Accounting Estimates	Accounting Estimates In preparing the consolidated financial statements, management is required to make estimates and assumptions that affect the reported amounts of assets, liabilities, revenues, and expenses and disclosures of contingent assets and liabilities. Actual results could differ significantly from these estimates.
New Accounting Pronouncements Adopted During the Nine Months Ended September 30, 2023 and Accounting Pronouncements Not Yet Adopted	New Accounting Pronouncements Adopted During the Nine Months Ended September 30, 2023 ASU No. 2022-02, Financial Instruments—Credit Losses (Topic 326). This ASU eliminated the accounting guidance for TDRs by creditors in Subtopic 310-40, Receivables - Troubled Debt Restructurings by Creditors. The ASU enhanced disclosure requirements for certain loan refinancings and restructurings by creditors when a borrower is experiencing financial difficulty, updated certain requirements related to accounting for credit losses under ASC 326 and required disclosure of current-period gross charge-offs of financing receivables by year of origination. The Company adopted this ASU in the first quarter of 2023, prospectively, except with respect to the recognition and measurement of TDRs, for which the modified retrospective transition method was applied. The Company recorded a reduction to the ACL of $1.8 million and a cumulative-effect adjustment, net of tax, to retained earnings of $1.3 million on January 1, 2023. Accounting Pronouncements Not Yet Adopted ASU No. 2023-02— Investments - Equity Method and Joint Ventures (Topic 323): Accounting for Investments in Tax Credit Structures using the Proportional Amortization Method (A Consensus of the Emerging Issues Task Force).

Earnings Per Common Share (Tabl

Earnings Per Common Share (Tables)	9 Months Ended
Earnings Per Common Share (Tables)	Sep. 30, 2023
Earnings Per Share [Abstract]
Computation of Basic and Diluted Earnings Per Common Share	The computation of basic and diluted earnings per common share is presented below for the periods indicated (in thousands, except share and per share data): Three Months Ended September 30, Nine Months Ended September 30, c 2023 2022 2023 2022 Basic earnings per common share: Numerator: Net income $ 46,981 $ 87,850 $ 157,859 $ 220,764 Distributed and undistributed earnings allocated to participating securities (700) (1,343) (2,378) (3,258) Income allocated to common stockholders for basic earnings per common share $ 46,281 $ 86,507 $ 155,481 $ 217,506 Denominator: Weighted average common shares outstanding 74,416,698 77,912,320 74,530,871 81,039,561 Less average unvested stock awards (1,165,105) (1,221,971) (1,180,570) (1,230,396) Weighted average shares for basic earnings per common share 73,251,593 76,690,349 73,350,301 79,809,165 Basic earnings per common share $ 0.63 $ 1.13 $ 2.12 $ 2.73 Diluted earnings per common share: Numerator: Income allocated to common stockholders for basic earnings per common share $ 46,281 $ 86,507 $ 155,481 $ 217,506 Adjustment for earnings reallocated from participating securities 3 6 8 9 Income used in calculating diluted earnings per common share $ 46,284 $ 86,513 $ 155,489 $ 217,515 Denominator: Weighted average shares for basic earnings per common share 73,251,593 76,690,349 73,350,301 79,809,165 Dilutive effect of certain share-based awards 537,230 433,472 388,372 308,608 Weighted average shares for diluted earnings per common share 73,788,823 77,123,821 73,738,673 80,117,773 Diluted earnings per common share $ 0.63 $ 1.12 $ 2.11 $ 2.71

Investment Securities (Tables)

Investment Securities (Tables)	9 Months Ended
Investment Securities (Tables)	Sep. 30, 2023
Investments, Debt and Equity Securities [Abstract]
Schedule of Available-for-sale Securities Reconciliation	Investment securities include investment securities available for sale, marketable equity securities, and investment securities held to maturity. The investment securities portfolio consisted of the following at the dates indicated (in thousands): September 30, 2023 Amortized Cost Gross Unrealized Carrying Value (1) Gains Losses Investment securities available for sale: U.S. Treasury securities $ 119,480 $ — $ (12,875) $ 106,605 U.S. Government agency and sponsored enterprise residential MBS 1,979,751 1,228 (48,521) 1,932,458 U.S. Government agency and sponsored enterprise commercial MBS 572,284 122 (80,566) 491,840 Private label residential MBS and CMOs 2,643,718 3 (353,396) 2,290,325 Private label commercial MBS 2,351,312 767 (95,750) 2,256,329 Single family real estate-backed securities 418,422 — (24,958) 393,464 Collateralized loan obligations 1,059,953 575 (12,716) 1,047,812 Non-mortgage asset-backed securities 108,360 41 (4,057) 104,344 State and municipal obligations 107,873 — (10,638) 97,235 SBA securities 113,884 210 (3,439) 110,655 9,475,037 $ 2,946 $ (646,916) 8,831,067 Investment securities held to maturity 10,000 10,000 $ 9,485,037 8,841,067 Marketable equity securities 45,417 $ 8,886,484 December 31, 2022 Amortized Cost Gross Unrealized Carrying Value (1) Gains Losses Investment securities available for sale: U.S. Treasury securities $ 148,956 $ 63 $ (13,178) $ 135,841 U.S. Government agency and sponsored enterprise residential MBS 2,036,693 1,334 (54,859) 1,983,168 U.S. Government agency and sponsored enterprise commercial MBS 600,517 — (75,423) 525,094 Private label residential MBS and CMOs 2,864,589 54 (333,980) 2,530,663 Private label commercial MBS 2,645,168 176 (120,990) 2,524,354 Single family real estate-backed securities 502,194 — (31,753) 470,441 Collateralized loan obligations 1,166,838 151 (30,526) 1,136,463 Non-mortgage asset-backed securities 102,194 — (6,218) 95,976 State and municipal obligations 122,181 695 (6,215) 116,661 SBA securities 139,320 381 (3,919) 135,782 10,328,650 $ 2,854 $ (677,061) 9,654,443 Investment securities held to maturity 10,000 10,000 $ 10,338,650 9,664,443 Marketable equity securities 90,884 $ 9,755,327 (1) At fair value except for securities held to maturity.
Investments Classified by Contractual Maturity Date	At September 30, 2023, contractual maturities of investment securities available for sale, adjusted for anticipated prepayments when applicable, were as follows (in thousands): Amortized Cost Fair Value Due in one year or less $ 1,155,146 $ 1,095,289 Due after one year through five years 5,306,505 5,095,745 Due after five years through ten years 1,709,432 1,518,508 Due after ten years 1,303,954 1,121,525 $ 9,475,037 $ 8,831,067
Gain on Investment Securities, net	The following table provides information about gains and losses on investment securities for the periods indicated (in thousands): Three Months Ended September 30, Nine Months Ended September 30, 2023 2022 2023 2022 Gross realized gains on investment securities AFS $ 242 $ 352 $ 1,861 $ 4,058 Gross realized losses on investment securities AFS (27) (3) (47) (131) Net realized gain 215 349 1,814 3,927 Net gains (losses) on marketable equity securities recognized in earnings 672 (214) (12,483) (20,052) Gain (loss) on investment securities, net $ 887 $ 135 $ (10,669) $ (16,125)
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value	The following tables present the aggregate fair value and the aggregate amount by which amortized cost exceeded fair value for investment securities available for sale in unrealized loss positions aggregated by investment category and length of time that individual securities had been in continuous unrealized loss positions at the dates indicated (in thousands): September 30, 2023 Less than 12 Months 12 Months or Greater Total Fair Value Unrealized Losses Fair Value Unrealized Losses Fair Value Unrealized Losses U.S. Treasury securities $ 9,847 $ (113) $ 96,758 $ (12,762) $ 106,605 $ (12,875) U.S. Government agency and sponsored enterprise residential MBS 85,955 (1,008) 1,707,210 (47,513) 1,793,165 (48,521) U.S. Government agency and sponsored enterprise commercial MBS 3,089 (254) 475,204 (80,312) 478,293 (80,566) Private label residential MBS and CMOs 28,407 (440) 2,249,139 (352,956) 2,277,546 (353,396) Private label commercial MBS 117,009 (1,400) 2,044,864 (94,350) 2,161,873 (95,750) Single family real estate-backed securities 29,764 (22) 363,700 (24,936) 393,464 (24,958) Collateralized loan obligations 89,928 (72) 909,457 (12,644) 999,385 (12,716) Non-mortgage asset-backed securities — — 81,373 (4,057) 81,373 (4,057) State and municipal obligations 68,039 (2,789) 29,196 (7,849) 97,235 (10,638) SBA securities 8,496 (48) 89,696 (3,391) 98,192 (3,439) $ 440,534 $ (6,146) $ 8,046,597 $ (640,770) $ 8,487,131 $ (646,916) December 31, 2022 Less than 12 Months 12 Months or Greater Total Fair Value Unrealized Losses Fair Value Unrealized Losses Fair Value Unrealized Losses U.S. Treasury securities $ 29,198 $ (495) $ 86,744 $ (12,683) $ 115,942 $ (13,178) U.S. Government agency and sponsored enterprise residential MBS 1,243,286 (26,789) 672,322 (28,070) 1,915,608 (54,859) U.S. Government agency and sponsored enterprise commercial MBS 236,102 (5,736) 288,992 (69,687) 525,094 (75,423) Private label residential MBS and CMOs 1,103,578 (93,480) 1,413,642 (240,500) 2,517,220 (333,980) Private label commercial MBS 1,191,969 (39,729) 1,223,223 (81,261) 2,415,192 (120,990) Single family real estate-backed securities 391,421 (22,293) 79,020 (9,460) 470,441 (31,753) Collateralized loan obligations 596,803 (14,020) 494,945 (16,506) 1,091,748 (30,526) Non-mortgage asset-backed securities 95,976 (6,218) — — 95,976 (6,218) State and municipal obligations 67,444 (6,154) 1,114 (61) 68,558 (6,215) SBA securities 42,900 (553) 74,291 (3,366) 117,191 (3,919) $ 4,998,677 $ (215,467) $ 4,334,293 $ (461,594) $ 9,332,970 $ (677,061)

Loans and Allowance for Credi_2

Loans and Allowance for Credit Losses (Tables)	9 Months Ended
Loans and Allowance for Credit Losses (Tables)	Sep. 30, 2023
Receivables [Abstract]
Schedule of Accounts, Notes, Loans and Financing Receivable	Loans consisted of the following at the dates indicated (dollars in thousands): September 30, 2023 December 31, 2022 Total Percent of Total Total Percent of Total Residential: 1-4 single family residential $ 6,982,832 28.7 % $ 7,128,834 28.6 % Government insured residential 1,397,736 5.7 % 1,771,880 7.1 % 8,380,568 34.4 % 8,900,714 35.7 % Commercial: Non-owner occupied commercial real estate 5,296,784 21.7 % 5,405,597 21.7 % Construction and land 445,273 1.8 % 294,360 1.2 % Owner occupied commercial real estate 1,851,246 7.6 % 1,890,813 7.6 % Commercial and industrial 6,658,010 27.4 % 6,417,721 25.9 % Pinnacle - municipal finance 900,199 3.7 % 912,122 3.7 % Franchise finance 196,745 0.8 % 253,774 1.0 % Equipment finance 219,874 0.9 % 286,147 1.1 % Mortgage warehouse lending 407,577 1.7 % 524,740 2.1 % 15,975,708 65.6 % 15,985,274 64.3 % Total loans 24,356,276 100.0 % 24,885,988 100.0 % Allowance for credit losses (196,063) (147,946) Loans, net $ 24,160,213 $ 24,738,042 The following table presents the amortized cost basis of residential PCD loans and the related amount of non-credit discount, net of the related ACL, at the dates indicated (in thousands): September 30, 2023 December 31, 2022 UPB $ 84,904 $ 96,437 Non-credit discount (37,799) (44,354) Total amortized cost of PCD loans 47,105 52,083 ACL related to PCD loans (169) (409) PCD loans, net $ 46,936 $ 51,674
Accounts Receivable, Allowance for Credit Loss	The following table presents gross charge-offs during the nine months ended September 30, 2023, by year of origination (in thousands): 2023 2022 2021 2020 2019 Prior to 2019 Revolving Loans Total CRE $ — $ — $ — $ — $ — $ 972 $ — $ 972 C&I 743 3,338 43 105 7,239 1,854 649 13,971 Franchise finance — — — 1,013 2,409 3,825 — 7,247 $ 743 $ 3,338 $ 43 $ 1,118 $ 9,648 $ 6,651 $ 649 $ 22,190
Allowance for Credit Losses on Financing Receivables	Activity in the ACL is summarized below for the periods indicated (in thousands): Three Months Ended September 30, 2023 2022 Residential Commercial Total Residential Commercial Total Beginning balance $ 8,887 $ 157,946 $ 166,833 $ 9,010 $ 121,229 $ 130,239 Provision (recovery) (860) 31,737 30,877 2,384 369 2,753 Charge-offs — (5,155) (5,155) — (4,280) (4,280) Recoveries 4 3,504 3,508 1 1,958 1,959 Ending balance $ 8,031 $ 188,032 $ 196,063 $ 11,395 $ 119,276 $ 130,671 Nine Months Ended September 30, 2023 2022 Residential Commercial Total Residential Commercial Total Beginning balance $ 11,741 $ 136,205 $ 147,946 $ 9,187 $ 117,270 $ 126,457 Impact of adoption of ASU 2022-02 (117) (1,677) (1,794) N/A N/A N/A Balance after adoption of ASU 2022-02 11,624 134,528 146,152 9,187 117,270 126,457 Provision (recovery) (3,602) 66,269 62,667 2,576 30,830 33,406 Charge-offs — (22,190) (22,190) (412) (35,518) (35,930) Recoveries 9 9,425 9,434 44 6,694 6,738 Ending balance $ 8,031 $ 188,032 $ 196,063 $ 11,395 $ 119,276 $ 130,671 The following table presents the components of the provision for credit losses for the periods indicated (in thousands): Three Months Ended September 30, Nine Months Ended September 30, 2023 2022 2023 2022 Amount related to funded portion of loans $ 30,877 $ 2,753 $ 62,667 $ 33,406 Amount related to off-balance sheet credit exposures 2,172 967 5,687 2,267 Other — — — (127) Total provision for credit losses $ 33,049 $ 3,720 $ 68,354 $ 35,546
Financing Receivable Credit Quality Indicators	Credit quality information Credit quality of loans held for investment is continuously monitored by dedicated residential credit risk management and commercial portfolio management functions. The Company also has a workout and recovery department that monitors the credit quality of criticized and classified loans and an independent internal credit review function. Credit quality indicators for residential loans Management considers delinquency status to be the most meaningful indicator of the credit quality of residential loans, other than government insured residential loans. Delinquency statistics are updated at least monthly. LTV and FICO scores are also important indicators of credit quality for 1-4 single family residential loans other than government insured loans. FICO scores are generally updated semi-annually, and were most recently updated in the third quarter of 2023. LTVs are typically at origination since we do not routinely update residential appraisals. Substantially all of the government insured residential loans are government insured buyout loans, which the Company buys out of GNMA securitizations upon default. For these loans, traditional measures of credit quality are not particularly relevant considering the guaranteed nature of the loans and the underlying business model. Factors that impact risk inherent in the residential portfolio segment include national and regional economic conditions such as levels of unemployment, wages and interest rates, as well as residential property values. 1-4 Single Family Residential credit exposure, excluding government insured residential loans, based on delinquency status (in thousands): September 30, 2023 Amortized Cost By Origination Year 2023 2022 2021 2020 2019 Prior Total Current $ 308,113 $ 1,136,640 $ 3,003,418 $ 870,174 $ 302,053 $ 1,318,308 $ 6,938,706 30 - 59 Days Past Due 107 4,193 11,097 1,456 — 10,195 27,048 60 - 89 Days Past Due — 1,681 219 — — 739 2,639 90 Days or More Past Due — 6,127 128 2,050 1,563 4,571 14,439 $ 308,220 $ 1,148,641 $ 3,014,862 $ 873,680 $ 303,616 $ 1,333,813 $ 6,982,832 December 31, 2022 Amortized Cost By Origination Year 2022 2021 2020 2019 2018 Prior Total Current $ 1,185,611 $ 3,149,299 $ 916,923 $ 316,023 $ 177,891 $ 1,321,011 $ 7,066,758 30 - 59 Days Past Due 12,752 16,432 3,266 2,953 1,854 5,759 43,016 60 - 89 Days Past Due 252 1,196 229 1,347 — 1,052 4,076 90 Days or More Past Due 2,589 2,158 2,173 360 3,069 4,635 14,984 $ 1,201,204 $ 3,169,085 $ 922,591 $ 320,683 $ 182,814 $ 1,332,457 $ 7,128,834 1-4 Single Family Residential credit exposure, excluding government insured residential loans, based on LTV (in thousands): September 30, 2023 Amortized Cost By Origination Year LTV 2023 2022 2021 2020 2019 Prior Total Less than 61% $ 50,658 $ 265,342 $ 1,228,237 $ 331,864 $ 72,956 $ 452,361 $ 2,401,418 61% - 70% 53,499 285,656 822,152 223,781 73,589 308,859 1,767,536 71% - 80% 204,063 595,548 929,735 317,963 151,667 534,823 2,733,799 More than 80% — 2,095 34,738 72 5,404 37,770 80,079 $ 308,220 $ 1,148,641 $ 3,014,862 $ 873,680 $ 303,616 $ 1,333,813 $ 6,982,832 December 31, 2022 Amortized Cost By Origination Year LTV 2022 2021 2020 2019 2018 Prior Total Less than 61% $ 282,940 $ 1,301,279 $ 354,720 $ 76,404 $ 42,864 $ 472,090 $ 2,530,297 61% - 70% 295,206 857,008 231,732 80,383 49,047 310,649 1,824,025 71% - 80% 620,049 975,542 336,066 158,406 86,463 510,633 2,687,159 More than 80% 3,009 35,256 73 5,490 4,440 39,085 87,353 $ 1,201,204 $ 3,169,085 $ 922,591 $ 320,683 $ 182,814 $ 1,332,457 $ 7,128,834 1-4 Single Family Residential credit exposure, excluding government insured residential loans, based on FICO score (in thousands): September 30, 2023 Amortized Cost By Origination Year FICO 2023 2022 2021 2020 2019 Prior Total 760 or greater $ 211,896 $ 826,990 $ 2,412,587 $ 707,589 $ 207,477 $ 925,812 $ 5,292,351 720 - 759 67,543 195,347 396,763 101,249 52,928 216,033 1,029,863 719 or less 28,781 126,304 205,512 64,842 43,211 191,968 660,618 $ 308,220 $ 1,148,641 $ 3,014,862 $ 873,680 $ 303,616 $ 1,333,813 $ 6,982,832 December 31, 2022 Amortized Cost By Origination Year FICO 2022 2021 2020 2019 2018 Prior Total 760 or greater $ 805,125 $ 2,513,045 $ 721,982 $ 212,574 $ 97,076 $ 944,783 $ 5,294,585 720 - 759 285,507 485,528 132,928 62,301 45,857 216,047 1,228,168 719 or less 110,572 170,512 67,681 45,808 39,881 171,627 606,081 $ 1,201,204 $ 3,169,085 $ 922,591 $ 320,683 $ 182,814 $ 1,332,457 $ 7,128,834 Credit quality indicators for commercial loans Factors that impact risk inherent in commercial portfolio segments include but are not limited to levels of economic activity or potential disruptions in economic activity, health of the national, regional and to a lesser extent global economy, interest rates, industry trends, patterns of and trends in customer behavior that influence demand for our borrowers' products and services, and commercial real estate values. Internal risk ratings are considered the most meaningful indicator of credit quality for commercial loans. Internal risk ratings are generally indicative of the likelihood that a borrower will default, are a key factor influencing the level and nature of ongoing monitoring of loans and may impact the estimation of the ACL. Internal risk ratings are updated on a continuous basis. Generally, relationships with balances in excess of defined thresholds, ranging from $1 million to $3 million, are re-evaluated at least annually and more frequently if circumstances indicate that a change in risk rating may be warranted. The special mention rating is considered a transitional rating for loans exhibiting potential credit weaknesses that could result in deterioration of repayment prospects at some future date if not checked or corrected and that deserve management’s close attention. These borrowers may exhibit declining cash flows or revenues or increasing leverage. Loans with well-defined credit weaknesses that may result in a loss if the deficiencies are not corrected are assigned a risk rating of substandard. These borrowers may exhibit payment defaults, inadequate cash flows from current operations, operating losses, increasing balance sheet leverage, project cost overruns, unreasonable construction delays, exhausted interest reserves, declining collateral values, frequent overdrafts or past due real estate taxes. Loans with weaknesses so severe that collection in full is highly questionable or improbable, but because of certain reasonably specific pending factors have not been charged off, are assigned an internal risk rating of doubtful. Commercial credit exposure based on internal risk rating (in thousands): September 30, 2023 Amortized Cost By Origination Year Revolving Loans 2023 2022 2021 2020 2019 Prior Total CRE Pass $ 434,477 $ 1,246,679 $ 687,012 $ 538,336 $ 1,039,284 $ 1,198,408 $ 233,648 $ 5,377,844 Special mention — 54,913 2,119 — 17,733 184 — 74,949 Substandard — — — 19,007 109,880 160,377 — 289,264 Total CRE $ 434,477 $ 1,301,592 $ 689,131 $ 557,343 $ 1,166,897 $ 1,358,969 $ 233,648 $ 5,742,057 C&I Pass $ 1,031,714 $ 1,512,244 $ 678,519 $ 350,864 $ 488,934 $ 1,093,761 $ 2,801,246 $ 7,957,282 Special mention 9 64,338 81,766 15,199 50,348 20,157 32,882 264,699 Substandard 4,687 83,780 4,832 17,779 18,228 98,863 45,000 273,169 Doubtful — — — — — 14,106 — 14,106 Total C&I $ 1,036,410 $ 1,660,362 $ 765,117 $ 383,842 $ 557,510 $ 1,226,887 $ 2,879,128 $ 8,509,256 Pinnacle - municipal finance Pass $ 158,220 $ 140,362 $ 78,322 $ 34,597 $ 56,848 $ 431,850 $ — $ 900,199 Total Pinnacle - municipal finance $ 158,220 $ 140,362 $ 78,322 $ 34,597 $ 56,848 $ 431,850 $ — $ 900,199 Franchise finance Pass $ 5,381 $ 26,660 $ 37,233 $ 31,551 $ 23,706 $ 26,612 $ 334 $ 151,477 Special mention — — — 2,351 — — — 2,351 Substandard — 221 1,193 893 22,538 12,834 — 37,679 Doubtful — — — — — 5,238 — 5,238 Total Franchise finance $ 5,381 $ 26,881 $ 38,426 $ 34,795 $ 46,244 $ 44,684 $ 334 $ 196,745 Equipment Finance Pass $ 1,132 $ 9,147 $ 43,364 $ 14,878 $ 58,346 $ 62,535 $ — $ 189,402 Substandard — 15,066 2,151 — 6,126 7,129 — 30,472 Total Equipment finance $ 1,132 $ 24,213 $ 45,515 $ 14,878 $ 64,472 $ 69,664 $ — $ 219,874 Mortgage warehouse lending Pass $ — $ — $ — $ — $ — $ — $ 407,577 $ 407,577 Total Mortgage warehouse lending $ — $ — $ — $ — $ — $ — $ 407,577 $ 407,577 December 31, 2022 Amortized Cost By Origination Year Revolving Loans 2022 2021 2020 2019 2018 Prior Total CRE Pass $ 1,256,300 $ 758,025 $ 550,133 $ 1,138,113 $ 512,125 $ 932,030 $ 196,963 $ 5,343,689 Special mention — — — 18,006 — 709 — 18,715 Substandard 12,332 1,355 20,103 98,438 56,974 148,351 — 337,553 Total CRE $ 1,268,632 $ 759,380 $ 570,236 $ 1,254,557 $ 569,099 $ 1,081,090 $ 196,963 $ 5,699,957 C&I Pass $ 1,880,853 $ 825,410 $ 445,988 $ 689,003 $ 416,287 $ 832,952 $ 2,900,336 $ 7,990,829 Special mention 63 — 208 3,880 — 20,657 310 25,118 Substandard 25,898 13,916 3,319 103,625 19,715 104,190 21,277 291,940 Doubtful — — — — 647 — — 647 Total C&I $ 1,906,814 $ 839,326 $ 449,515 $ 796,508 $ 436,649 $ 957,799 $ 2,921,923 $ 8,308,534 Pinnacle - municipal finance Pass $ 179,223 $ 110,510 $ 66,592 $ 66,514 $ 29,783 $ 459,500 $ — $ 912,122 Total Pinnacle - municipal finance $ 179,223 $ 110,510 $ 66,592 $ 66,514 $ 29,783 $ 459,500 $ — $ 912,122 Franchise finance Pass $ 81,146 $ 19,251 $ 38,293 $ 34,483 $ 8,617 $ 6,799 $ — $ 188,589 Special mention — — — 5,432 2,168 — — 7,600 Substandard — 1,617 1,295 22,058 17,148 8,124 — 50,242 Doubtful — — 1,013 2,447 3,883 — — 7,343 Total franchise finance $ 81,146 $ 20,868 $ 40,601 $ 64,420 $ 31,816 $ 14,923 $ — $ 253,774 Equipment finance Pass $ 27,386 $ 55,015 $ 16,488 $ 90,286 $ 33,264 $ 62,353 $ — $ 284,792 Substandard — — — 1,355 — — — 1,355 Equipment finance $ 27,386 $ 55,015 $ 16,488 $ 91,641 $ 33,264 $ 62,353 $ — $ 286,147 Mortgage warehouse lending Pass $ — $ — $ — $ — $ — $ — $ 524,740 $ 524,740 Total Mortgage warehouse lending $ — $ — $ — $ — $ — $ — $ 524,740 $ 524,740 At September 30, 2023 and December 31, 2022, the balance of revolving loans converted to term loans was immaterial. The following table presents criticized and classified commercial loans, in aggregate by risk rating category, at the dates indicated (in thousands): September 30, 2023 December 31, 2022 Special mention $ 341,999 $ 51,433 Substandard - accruing 534,336 605,965 Substandard - non-accruing 96,248 75,125 Doubtful 19,344 7,990 Total $ 991,927 $ 740,513
Financing Receivable, Past Due	The following table presents an aging of loans at the dates indicated (in thousands): September 30, 2023 December 31, 2022 Current 30 - 59 60 - 89 90 Days or Total Current 30 - 59 60 - 89 90 Days or Total 1-4 single family residential $ 6,938,706 $ 27,048 $ 2,639 $ 14,439 $ 6,982,832 $ 7,066,758 $ 43,016 $ 4,076 $ 14,984 $ 7,128,834 Government insured residential 872,098 141,190 70,721 313,727 1,397,736 1,025,523 159,461 94,294 492,602 1,771,880 CRE 5,726,861 — 2,004 13,192 5,742,057 5,680,829 4,328 4,773 10,027 5,699,957 C&I 8,475,471 131 6,276 27,378 8,509,256 8,280,321 2,508 1,028 24,677 8,308,534 Pinnacle - municipal finance 900,199 — — — 900,199 912,122 — — — 912,122 Franchise finance 196,745 — — — 196,745 243,574 1,321 — 8,879 253,774 Equipment finance 219,874 — — — 219,874 286,147 — — — 286,147 Mortgage warehouse lending 407,577 — — — 407,577 524,740 — — — 524,740 $ 23,737,531 $ 168,369 $ 81,640 $ 368,736 $ 24,356,276 $ 24,020,014 $ 210,634 $ 104,171 $ 551,169 $ 24,885,988
Financing Receivable, Nonaccrual	The following table presents information about loans on non-accrual status at the dates indicated (in thousands): September 30, 2023 December 31, 2022 Amortized Cost Amortized Cost With No Related Allowance Amortized Cost Amortized Cost With No Related Allowance 1-4 single family residential $ 20,707 $ — $ 21,311 $ — CRE 16,987 2,004 22,352 6,911 C&I 80,712 42,035 47,473 15,642 Franchise finance 17,893 10,314 13,290 1,668 $ 136,299 $ 54,353 $ 104,426 $ 24,221
Schedule of Collateral Dependent Loans	The following table presents the amortized cost basis of collateral dependent loans at the dates indicated (in thousands): September 30, 2023 December 31, 2022 Amortized Cost Extent to Which Secured by Collateral Amortized Cost Extent to Which Secured by Collateral 1-4 single family residential $ — $ — $ 730 $ 730 Commercial: CRE 14,662 14,662 19,486 18,353 C&I 49,542 40,001 26,404 25,344 Franchise finance 17,673 11,395 11,445 3,729 Total commercial 81,877 66,058 57,335 47,426 $ 81,877 $ 66,058 $ 58,065 $ 48,156
Financing Receivable, Troubled Debt Restructuring	The following tables summarize loans that were modified for borrowers experiencing financial difficulty, by type of modification, during the periods indicated (dollars in thousands): Three Months Ended September 30, 2023 Interest Rate Reduction Term Extension Combination - Interest Rate Reduction and Term Extension Total % (1) Total % (1) Total % (1) Total Government insured residential $ — — % $ 27,710 2 % $ 687 — % $ 28,397 C&I — — % 1,475 — % — — % 1,475 Franchise finance — — % 11,085 6 % — — % 11,085 $ — $ 40,270 $ 687 $ 40,957 Nine Months Ended September 30, 2023 Interest Rate Reduction Term Extension Combination - Interest Rate Reduction and Term Extension Total % (1) Total % (1) Total % (1) Total 1-4 single family residential $ 759 — % $ — — % $ — — % $ 759 Government insured residential 106 — % 64,520 5 % 2,549 — % 67,175 C&I — — % 5,786 — % — — % 5,786 Franchise finance — — % 14,470 7 % — — % 14,470 $ 865 $ 84,776 $ 2,549 $ 88,190 (1) Represents percentage of loans receivable in each category. The following tables summarize the financial effect of the modifications made to borrowers experiencing difficulty, during the periods indicated: Three Months Ended September 30, 2023 Financial Effect Term Extension: Government insured residential Added a weighted average 9.2 years to the term of the modified loans. C&I Added a weighted average 0.5 years to the term of the modified loans. Franchise finance Added a weighted average 2.1 years to the term of the modified loans. Combination - Interest Rate Reduction and Term Extension: Government insured residential Reduced weighted average contractual interest rate from 5.5% to 4.2% and added a weighted average 12.0 years to the term of the modified loans. Nine Months Ended September 30, 2023 Financial Effect Interest Rate Reduction: 1-4 single family residential Reduced weighted average contractual interest rate from 3.8% to 3.1%. Government insured residential Reduced weighted average contractual interest rate from 4.8% to 3.8%. Term Extension: Government insured residential Added a weighted average 8.4 years to the term of the modified loans. C&I Added a weighted average 0.6 years to the term of the modified loans. Franchise finance Added a weighted average 1.8 years to the term of the modified loans. Combination - Interest Rate Reduction and Term Extension: Government insured residential Reduced weighted average contractual interest rate from 5.7% to 4.7% and added a weighted average 7.8 years to the term of the modified loans. The following table presents the aging at September 30, 2023, of loans that were modified since January 1, 2023, the date of adoption of ASU 2022-02 (in thousands): Current 30-59 Days Past Due 60-89 Days Past Due 90 Days or More Past Due Total 1-4 single family residential $ — $ 759 $ — $ — $ 759 Government insured residential 29,177 13,286 8,465 16,247 67,175 C&I 5,786 — — — 5,786 Franchise finance 14,470 — — — 14,470 $ 49,433 $ 14,045 $ 8,465 $ 16,247 $ 88,190 The following tables summarizes loans that were modified since January 1, 2023, the date of adoption of ASU 2022-02, and subsequently defaulted, during the periods indicated (in thousands): Three Months Ended September 30, 2023 Interest Rate Reduction Term Extension Combination - Interest Rate Reduction and Term Extension Total Government insured residential $ — $ 14,699 $ 548 $ 15,247 Nine Months Ended September 30, 2023 Interest Rate Reduction Term Extension Combination - Interest Rate Reduction and Term Extension Total Government insured residential $ 106 $ 28,432 $ 860 $ 29,398 The following table summarizes loans that were modified in TDRs during the periods indicated, as well as loans modified during the twelve months preceding September 30, 2022 that experienced payment defaults during the periods indicated (dollars in thousands): Three Months Ended September 30, 2022 Nine Months Ended September 30, 2022 Loans Modified in TDRs TDRs Experiencing Payment Loans Modified in TDRs TDRs Experiencing Payment Number of Amortized Cost Number of Amortized Cost Number of Amortized Cost Number of Amortized Cost 1-4 single family residential 1 $ 96 — $ — 10 $ 5,385 — $ — Government insured residential 559 85,200 730 113,330 2,094 327,635 825 128,169 C&I 4 7,611 1 1,199 18 41,639 1 1,199 Bridge - franchise finance 4 6,615 4 6,615 4 6,615 4 6,615 568 $ 99,522 735 $ 121,144 2,126 $ 381,274 830 $ 135,983

Derivatives and Hedging Activ_2

Derivatives and Hedging Activities (Tables)	9 Months Ended
Derivatives and Hedging Activities (Tables)	Sep. 30, 2023
Derivative Instruments and Hedging Activities Disclosure [Abstract]
Schedule of Interest Rate Contract Derivative Financial Instruments and Related Hedged Items	The following table summarizes the Company's derivatives designated as hedging instruments as of the dates indicated (in thousands): September 30, 2023 December 31, 2022 Notional Amount Fair Value (1) Notional Amount Fair Value (1) Asset Liability Asset Liability Derivatives designated as cash flow hedges: Interest rate swaps $ 2,715,000 $ — $ (4,899) $ 1,970,000 $ 941 $ (1,514) Interest rate caps purchased 200,000 13,910 — 200,000 15,673 — Interest rate collar (2) 125,000 — (595) 125,000 — (203) Derivatives designated as fair value hedges: Pay-fixed interest rate swaps 100,000 — — 100,000 — — $ 3,140,000 $ 13,910 $ (5,494) $ 2,395,000 $ 16,614 $ (1,717) (1) The fair values of derivatives are included in other assets or other liabilities in the consolidated balance sheets. (2) The interest rate collar consists of a combination of zero-premium interest rate options. The Company sold a pay-variable cap with a strike price of 5.58%; sold a 0% floor; and purchased a receive-variable floor with a strike price of 1.50%.
Schedule of Cash Flow Hedging Instruments, Statements of Financial Performance and Financial Position, Location	The following table provides information about the amount of gain (loss) related to derivatives designated as cash flow hedges reclassified from AOCI into interest expense for the periods indicated (in thousands): Three Months Ended September 30, Nine Months Ended September 30, 2023 2022 2023 2022 Location of gain (loss) reclassified from AOCI into income: Interest expense on borrowings $ 13,442 $ (590) $ 30,935 $ (9,003) Interest expense on deposits 6,300 972 17,162 (205) Interest income on loans (781) — (1,795) — $ 18,961 $ 382 $ 46,302 $ (9,208)
Derivative and Hedging Activities - Carrying Value of Hedged Item and Cumulative Fair Value Adjustments	The following table provides information about the hedged items related to derivatives designated as fair value hedges at the date indicated (in thousands): September 30, 2023 Location in Consolidated Balance Sheets Contractual balance outstanding of hedged item (1) $ 100,000 Loans Cumulative fair value hedging adjustments $ (2,701) Loans (1) This amount is included in the amortized cost basis of a closed portfolio of loans used to designate hedging relationships in a portfolio layer method hedge in which the hedged item is anticipated to be outstanding for the designated hedge period. At September 30, 2023, the amortized cost basis of the closed portfolio used in this hedging relationship was $1.0 billion.
Derivatives Not Designated as Hedging Instruments	The following table summarizes the Company's derivatives not designated as hedging instruments as of the dates indicated (in thousands): September 30, 2023 December 31, 2022 Notional Amount Fair Value (1) Notional Amount Fair Value (1) Asset Liability Asset Liability Derivatives not designated as hedges: Pay-fixed interest rate swaps $ 2,040,182 $ 127,488 $ (285) $ 1,916,719 $ 67,942 $ (2,195) Pay-variable interest rate swaps 2,040,182 284 (128,764) 1,916,719 2,195 (120,320) Interest rate caps purchased 65,610 2,832 — 42,920 1,988 — Interest rate caps sold 65,610 — (2,832) 42,920 — (1,988) $ 4,211,584 $ 130,604 $ (131,881) $ 3,919,278 $ 72,125 $ (124,503) (1) Fair values of these derivatives are included in other assets and other liabilities in the consolidated balance sheets.
Schedule of Interest Rate Swaps Subject to Master Netting Agreements	The Company does not offset assets and liabilities under master netting agreements for financial reporting purposes. Information on interest rate swaps and caps subject to these agreements is as follows at the dates indicated (in thousands): September 30, 2023 Gross Amounts Offset in Balance Net Amounts Presented in Gross Amounts Not Offset in Gross Amounts Derivative Collateral Net Amount Derivative assets $ 144,230 $ — $ 144,230 $ (5,779) $ (138,264) $ 187 Derivative liabilities (5,779) — (5,779) 5,779 — — $ 138,451 $ — $ 138,451 $ — $ (138,264) $ 187 December 31, 2022 Gross Amounts Offset in Balance Net Amounts Presented in Gross Amounts Not Offset in Gross Amounts Derivative Collateral Net Amount Derivative assets $ 86,544 $ — $ 86,544 $ (3,912) $ (79,447) $ 3,185 Derivative liabilities (3,912) — (3,912) 3,912 — — $ 82,632 $ — $ 82,632 $ — $ (79,447) $ 3,185

Stockholders' Equity (Tables)

Stockholders' Equity (Tables)	9 Months Ended
Stockholders' Equity (Tables)	Sep. 30, 2023
Equity [Abstract]
Schedule of Changes in AOCI	Changes in other comprehensive income are summarized as follows for the periods indicated (in thousands): Three Months Ended September 30, 2023 2022 Before Tax Tax Effect Net of Tax Before Tax Tax Effect Net of Tax Unrealized gains (losses) on investment securities available for sale: Net unrealized holding losses arising during the period $ (44,397) $ 11,543 $ (32,854) $ (158,514) $ 41,214 $ (117,300) Amounts reclassified to gain on investment securities available for sale, net (215) 56 (159) (349) 91 (258) Net change in unrealized gains (losses) on investment securities available for sale (44,612) 11,599 (33,013) (158,863) 41,305 (117,558) Unrealized gains (losses) on derivative instruments: Net unrealized holding gains arising during the period 16,771 (4,361) 12,410 41,209 (10,714) 30,495 Amounts reclassified to interest expense on deposits (6,300) 1,638 (4,662) (972) 253 (719) Amounts reclassified to interest expense on borrowings (13,442) 3,495 (9,947) 590 (154) 436 Amounts reclassified to interest income on loans 781 (203) 578 — — — Net change in unrealized gains (losses) on derivative instruments (2,190) 569 (1,621) 40,827 (10,615) 30,212 Other comprehensive loss $ (46,802) $ 12,168 $ (34,634) $ (118,036) $ 30,690 $ (87,346) Nine Months Ended September 30, 2023 2022 Before Tax Tax Effect Net of Tax Before Tax Tax Effect Net of Tax Unrealized gains (losses) on investment securities available for sale: Net unrealized holding gains (losses) arising during the period $ 32,050 $ (8,333) $ 23,717 $ (635,446) $ 165,197 $ (470,249) Amounts reclassified to gain on investment securities available for sale, net (1,814) 472 (1,342) (3,927) 1,021 (2,906) Net change in unrealized gains (losses) on investment securities available for sale 30,236 (7,861) 22,375 (639,373) 166,218 (473,155) Unrealized gains (losses) on derivative instruments: Net unrealized holding gains arising during the period 57,565 (14,967) 42,598 100,559 (26,019) 74,540 Amounts reclassified to interest expense on deposits (17,162) 4,462 (12,700) 205 (53) 152 Amounts reclassified to interest expense on borrowings (30,935) 8,043 (22,892) 9,003 (2,341) 6,662 Amounts reclassified to interest income on loans 1,795 (467) 1,328 — — — Net change in unrealized gains (losses) on derivative instruments 11,263 (2,929) 8,334 109,767 (28,413) 81,354 Other comprehensive income (loss) $ 41,499 $ (10,790) $ 30,709 $ (529,606) $ 137,805 $ (391,801)
Schedule of the Categories of AOCI and Changes Therein	The categories of AOCI and changes therein are presented below for the periods indicated (in thousands): Three Months Ended September 30, Unrealized Loss on Investment Securities Available for Sale Unrealized Gain Total Balance at June 30, 2023 $ (443,523) $ 70,961 $ (372,562) Other comprehensive loss (33,013) (1,621) (34,634) Balance at September 30, 2023 $ (476,536) $ 69,340 $ (407,196) Balance at June 30, 2022 $ (352,738) $ 32,343 $ (320,395) Other comprehensive income (loss) (117,558) 30,212 (87,346) Balance at September 30, 2022 $ (470,296) $ 62,555 $ (407,741) Nine Months Ended September 30, Unrealized Gain (Loss) on Unrealized Gain (Loss) Total Balance at December 31, 2022 $ (498,911) $ 61,006 $ (437,905) Other comprehensive income 22,375 8,334 30,709 Balance at September 30, 2023 $ (476,536) $ 69,340 $ (407,196) Balance at December 31, 2021 $ 2,859 $ (18,799) $ (15,940) Other comprehensive income (loss) (473,155) 81,354 (391,801) Balance at September 30, 2022 $ (470,296) $ 62,555 $ (407,741)

Fair Value Measurements (Tables

Fair Value Measurements (Tables)	9 Months Ended
Fair Value Measurements (Tables)	Sep. 30, 2023
Fair Value Disclosures [Abstract]
Schedule of Assets and Liabilities Measured at Fair Value on a Recurring Basis	The following tables present assets and liabilities measured at fair value on a recurring basis at the dates indicated (in thousands): September 30, 2023 Level 1 Level 2 Total Investment securities available for sale: U.S. Treasury securities $ 106,605 $ — $ 106,605 U.S. Government agency and sponsored enterprise residential MBS — 1,932,458 1,932,458 U.S. Government agency and sponsored enterprise commercial MBS — 491,840 491,840 Private label residential MBS and CMOs — 2,290,325 2,290,325 Private label commercial MBS — 2,256,329 2,256,329 Single family real estate-backed securities — 393,464 393,464 Collateralized loan obligations — 1,047,812 1,047,812 Non-mortgage asset-backed securities — 104,344 104,344 State and municipal obligations — 97,235 97,235 SBA securities — 110,655 110,655 Marketable equity securities 45,417 — 45,417 Derivative assets — 144,514 144,514 Total assets at fair value $ 152,022 $ 8,868,976 $ 9,020,998 Derivative liabilities $ — $ (137,375) $ (137,375) Total liabilities at fair value $ — $ (137,375) $ (137,375) December 31, 2022 Level 1 Level 2 Total Investment securities available for sale: U.S. Treasury securities $ 135,841 $ — $ 135,841 U.S. Government agency and sponsored enterprise residential MBS — 1,983,168 1,983,168 U.S. Government agency and sponsored enterprise commercial MBS — 525,094 525,094 Private label residential MBS and CMOs — 2,530,663 2,530,663 Private label commercial MBS — 2,524,354 2,524,354 Single family real estate-backed securities — 470,441 470,441 Collateralized loan obligations — 1,136,463 1,136,463 Non-mortgage asset-backed securities — 95,976 95,976 State and municipal obligations — 116,661 116,661 SBA securities — 135,782 135,782 Marketable equity securities 90,884 — 90,884 Derivative assets — 88,739 88,739 Total assets at fair value $ 226,725 $ 9,607,341 $ 9,834,066 Derivative liabilities $ — $ (126,220) $ (126,220) Total liabilities at fair value $ — $ (126,220) $ (126,220)
Schedule of Assets for Which Nonrecurring Changes in Fair Value have been Recorded	The following table presents the net carrying value of assets classified within level 3 of the fair value hierarchy at the dates indicated, for which non-recurring changes in fair value were recorded during the period then ended (in thousands): September 30, 2023 December 31, 2022 Collateral dependent loans $ 59,576 $ 31,789 OREO 29 693 $ 59,605 $ 32,482
Schedule of the Carrying Value and Fair Value of Financial Instruments	The following table presents the carrying value and fair value of financial instruments and the level within the fair value hierarchy in which those measurements are classified at the dates indicated (dollars in thousands): September 30, 2023 December 31, 2022 Level Carrying Value Fair Value Carrying Value Fair Value Assets: Cash and cash equivalents 1 $ 391,885 $ 391,885 $ 572,647 $ 572,647 Investment securities 1/2 $ 8,886,484 $ 8,886,350 $ 9,755,327 $ 9,755,190 Non-marketable equity securities 2 $ 312,159 $ 312,159 $ 294,172 $ 294,172 Loans, net 3 $ 24,160,213 $ 22,606,322 $ 24,738,042 $ 23,342,950 Derivative assets 2 $ 144,514 $ 144,514 $ 88,739 $ 88,739 Liabilities: Demand, savings and money market deposits 2 $ 20,922,985 $ 20,922,985 $ 23,241,256 $ 23,241,256 Time deposits 2 $ 5,189,681 $ 5,132,900 $ 4,268,078 $ 4,231,167 Federal funds purchased 2 $ — $ — $ 190,000 $ 190,000 FHLB advances 2 $ 5,165,000 $ 5,164,688 $ 5,420,000 $ 5,419,588 Notes and other borrowings 2 $ 715,197 $ 642,941 $ 720,923 $ 698,359 Derivative liabilities 2 $ 137,375 $ 137,375 $ 126,220 $ 126,220

Commitments and Contingencies (

Commitments and Contingencies (Tables)	9 Months Ended
Commitments and Contingencies (Tables)	Sep. 30, 2023
Commitments and Contingencies Disclosure [Abstract]
Schedule of the Total Lending Related Commitments Outstanding	Total lending related commitments outstanding at September 30, 2023 were as follows (in thousands): Commitments to fund loans $ 324,957 Unfunded commitments under lines of credit 4,996,007 Commercial and standby letters of credit 148,310 $ 5,469,274

Deposits (Tables)

Deposits (Tables)	9 Months Ended
Deposits (Tables)	Sep. 30, 2023
Broker-Dealer [Abstract]
Summary of Average Balances and Weighted Average Rates Paid on Deposits	The following table presents average balances and weighted average rates paid on deposits for the periods indicated (dollars in thousands): Three Months Ended September 30, Nine Months Ended September 30, 2023 2022 2023 2022 Average Average Rate Paid (1) Average Average Rate Paid (1) Average Average Rate Paid (1) Average Average Rate Paid (1) Demand deposits: Non-interest bearing $ 6,937,537 — % $ 8,749,794 — % $ 7,152,362 — % $ 9,071,135 — % Interest bearing 3,038,870 3.33 % 2,306,906 0.71 % 2,728,287 2.68 % 2,658,558 0.36 % Savings and money market 10,205,765 3.81 % 13,001,566 1.22 % 10,844,838 3.43 % 13,150,357 0.64 % Time 5,420,522 3.92 % 3,255,869 1.13 % 5,150,486 3.49 % 3,129,247 0.67 % $ 25,602,694 2.74 % $ 27,314,135 0.78 % $ 25,875,973 2.41 % $ 28,009,297 0.41 % (1) Annualized.
Time Deposit Maturities	The following table presents maturities of time deposits as of September 30, 2023 (in thousands): Maturing in: 2023 $ 1,827,279 2024 2,890,024 2025 148,612 2026 323,052 2027 547 Thereafter 167 $ 5,189,681
schedule of interest expense on deposits	Interest expense on deposits for the periods indicated was as follows (in thousands): Three Months Ended September 30, Nine Months Ended September 30, 2023 2022 2023 2022 Interest bearing demand $ 25,491 $ 4,104 $ 54,781 $ 7,215 Savings and money market 97,956 39,838 278,243 62,704 Time 53,527 9,264 134,448 15,650 $ 176,974 $ 53,206 $ 467,472 $ 85,569

Basis of Presentation and Sum_3

Basis of Presentation and Summary of Significant Accounting Policies (Narrative) (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Jun. 30, 2023	Jan. 01, 2023	Dec. 31, 2022	Sep. 30, 2022	Jun. 30, 2022	Dec. 31, 2021
Segment Reporting Information [Line Items]
Allowance for credit losses	$ 196,063	$ 166,833		$ 147,946	$ 130,671	$ 130,239	$ 126,457
Stockholders' equity	2,524,070	2,526,310		2,435,981	2,480,985	2,506,017	3,037,761
Retained Earnings
Segment Reporting Information [Line Items]
Stockholders' equity	$ 2,650,850	$ 2,623,926		$ 2,551,400	$ 2,506,539	$ 2,438,050	$ 2,345,342
Cumulative Effect, Period of Adoption, Adjustment
Segment Reporting Information [Line Items]
Allowance for credit losses			$ (1,794)
Stockholders' equity			1,336
Cumulative Effect, Period of Adoption, Adjustment \| Retained Earnings
Segment Reporting Information [Line Items]
Stockholders' equity			$ 1,336

Earnings Per Common Share (Comp

Earnings Per Common Share (Computation of Basic and Diluted Earnings per Common Share) (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Numerator:
Net income	$ 46,981	$ 87,850	$ 157,859	$ 220,764
Distributed and undistributed earnings allocated to participating securities	(700)	(1,343)	(2,378)	(3,258)
Income allocated to common stockholders for basic earnings per common share	$ 46,281	$ 86,507	$ 155,481	$ 217,506
Denominator:
Weighted average common shares outstanding	74,416,698	77,912,320	74,530,871	81,039,561
Less average unvested stock awards	(1,165,105)	(1,221,971)	(1,180,570)	(1,230,396)
Weighted Average Number of Shares Outstanding, Basic, Total	73,251,593	76,690,349	73,350,301	79,809,165
Basic earnings per common share	$ 0.63	$ 1.13	$ 2.12	$ 2.73
Numerator:
Income allocated to common stockholders for basic earnings per common share	$ 46,281	$ 86,507	$ 155,481	$ 217,506
Adjustment for earnings reallocated from participating securities	3	6	8	9
Income used in calculating diluted earnings per common share	$ 46,284	$ 86,513	$ 155,489	$ 217,515
Denominator:
Weighted Average Number of Shares Outstanding, Basic, Total	73,251,593	76,690,349	73,350,301	79,809,165
Dilutive effect of certain share-based awards	537,230	433,472	388,372	308,608
Weighted average shares for diluted earnings per common share	73,788,823	77,123,821	73,738,673	80,117,773
Diluted earnings per common share	$ 0.63	$ 1.12	$ 2.11	$ 2.71

Earnings Per Common Share Earni

Earnings Per Common Share Earnings per Common Share (Narrative) (Details) - shares	9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022
Earnings Per Share [Abstract]
Potentially dilutive securities outstanding (in Shares)	1,160,047	1,213,029

Investment Securities (Schedule

Investment Securities (Schedule of Investment Securities Available for Sale) (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Debt Securities, Available-for-sale [Line Items]
Debt Securities, Available-for-Sale, Amortized Cost, after Allowance for Credit Loss	$ 9,475,037	$ 10,328,650
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain, before Tax	2,946	2,854
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax	646,916	677,061
Debt Securities, Available-for-sale	8,831,067
Debt Securities, Available-for-Sale and Held-to-Maturity, Amortized Cost, after Allowance for Credit Loss	9,485,037	10,338,650
Debt Securities, Available-for-sale and Held-to-maturity	8,841,067	9,664,443
Investment securities (including securities reported at fair value of $8,876,484 and $9,745,327)	8,886,484	9,755,327
U.S. Treasury securities
Debt Securities, Available-for-sale [Line Items]
Debt Securities, Available-for-Sale, Amortized Cost, after Allowance for Credit Loss	119,480	148,956
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain, before Tax	0	63
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax	12,875	13,178
Debt Securities, Available-for-sale	106,605	135,841
U.S. Government agency and sponsored enterprise residential MBS
Debt Securities, Available-for-sale [Line Items]
Debt Securities, Available-for-Sale, Amortized Cost, after Allowance for Credit Loss	1,979,751	2,036,693
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain, before Tax	1,228	1,334
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax	48,521	54,859
Debt Securities, Available-for-sale	1,932,458	1,983,168
U.S. Government agency and sponsored enterprise commercial MBS
Debt Securities, Available-for-sale [Line Items]
Debt Securities, Available-for-Sale, Amortized Cost, after Allowance for Credit Loss	572,284	600,517
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain, before Tax	122	0
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax	80,566	75,423
Debt Securities, Available-for-sale	491,840	525,094
Private label residential MBS and CMOs
Debt Securities, Available-for-sale [Line Items]
Debt Securities, Available-for-Sale, Amortized Cost, after Allowance for Credit Loss	2,643,718	2,864,589
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain, before Tax	3	54
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax	353,396	333,980
Debt Securities, Available-for-sale	2,290,325	2,530,663
Private label commercial MBS
Debt Securities, Available-for-sale [Line Items]
Debt Securities, Available-for-Sale, Amortized Cost, after Allowance for Credit Loss	2,351,312	2,645,168
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain, before Tax	767	176
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax	95,750	120,990
Debt Securities, Available-for-sale	2,256,329	2,524,354
Single family real estate-backed securities
Debt Securities, Available-for-sale [Line Items]
Debt Securities, Available-for-Sale, Amortized Cost, after Allowance for Credit Loss	418,422	502,194
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain, before Tax	0	0
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax	24,958	31,753
Debt Securities, Available-for-sale	393,464	470,441
Collateralized loan obligations
Debt Securities, Available-for-sale [Line Items]
Debt Securities, Available-for-Sale, Amortized Cost, after Allowance for Credit Loss	1,059,953	1,166,838
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain, before Tax	575	151
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax	12,716	30,526
Debt Securities, Available-for-sale	1,047,812	1,136,463
Non-mortgage asset-backed securities
Debt Securities, Available-for-sale [Line Items]
Debt Securities, Available-for-Sale, Amortized Cost, after Allowance for Credit Loss	108,360	102,194
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain, before Tax	41	0
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax	4,057	6,218
Debt Securities, Available-for-sale	104,344	95,976
State and municipal obligations
Debt Securities, Available-for-sale [Line Items]
Debt Securities, Available-for-Sale, Amortized Cost, after Allowance for Credit Loss	107,873	122,181
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain, before Tax	0	695
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax	10,638	6,215
Debt Securities, Available-for-sale	97,235	116,661
SBA securities
Debt Securities, Available-for-sale [Line Items]
Debt Securities, Available-for-Sale, Amortized Cost, after Allowance for Credit Loss	113,884	139,320
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain, before Tax	210	381
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax	3,439	3,919
Debt Securities, Available-for-sale	110,655	135,782
Investment securities held to maturity
Debt Securities, Available-for-sale [Line Items]
Debt Securities, Available-for-sale		9,654,443
Investment securities held to maturity	10,000	10,000
Marketable equity securities
Debt Securities, Available-for-sale [Line Items]
Equity Securities, FV-NI	$ 45,417	$ 90,884

Investment Securities (Schedu_2

Investment Securities (Schedule of Maturities of Investment Securities Available for Sale) (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Investments, Debt and Equity Securities [Abstract]
Due in one year or less, Amortized Cost	$ 1,155,146
Due after one year through five years, Amortized Cost	5,306,505
Due after five years through ten years, Amortized Cost	1,709,432
Due after ten years, Amortized Cost	1,303,954
Amortized Cost	9,475,037	$ 10,328,650
Due in one year or less, Fair Value	1,095,289
Due after one year through five years, Fair Value	5,095,745
Due after five years through ten years, Fair Value	1,518,508
Due after ten years, Fair Value	1,121,525
Fair Value	$ 8,831,067

Investment Securities (Schedu_3

Investment Securities (Schedule of Gains and Losses on the Sale and Exchange of Investment Securities Available for Sale) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Investments, Debt and Equity Securities [Abstract]
Proceeds from sale of investment securities			$ 341,990	$ 798,205
Gross realized gains on investment securities AFS	$ 242	$ 352	1,861	4,058
Gross realized losses on equity securities	(27)	(3)	(47)	(131)
Net realized gain	215	349	1,814	3,927
Net gains (losses) on marketable equity securities recognized in earnings	672	(214)	(12,483)	(20,052)
Gain (loss) on investment securities, net	$ 887	$ 135	$ (10,669)	$ (16,125)

Investment Securities (Schedu_4

Investment Securities (Schedule of the Aggregate Fair Value and Amount by which Amortized Cost Exceeds Fair Value for Investment Securities that are in Unrealized Loss Positions) (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Debt Securities, Available-for-sale [Line Items]
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months	$ 440,534	$ 4,998,677
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months	6,146	215,467
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer	8,046,597	4,334,293
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss	640,770	461,594
Debt Securities, Available-for-sale, Unrealized Loss Position	8,487,131	9,332,970
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss	646,916	677,061
U.S. Treasury securities
Debt Securities, Available-for-sale [Line Items]
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months	9,847	29,198
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months	113	495
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer	96,758	86,744
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss	12,762	12,683
Debt Securities, Available-for-sale, Unrealized Loss Position	106,605	115,942
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss	12,875	13,178
U.S. Government agency and sponsored enterprise residential MBS
Debt Securities, Available-for-sale [Line Items]
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months	85,955	1,243,286
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months	1,008	26,789
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer	1,707,210	672,322
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss	47,513	28,070
Debt Securities, Available-for-sale, Unrealized Loss Position	1,793,165	1,915,608
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss	48,521	54,859
U.S. Government agency and sponsored enterprise commercial MBS
Debt Securities, Available-for-sale [Line Items]
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months	3,089	236,102
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months	254	5,736
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer	475,204	288,992
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss	80,312	69,687
Debt Securities, Available-for-sale, Unrealized Loss Position	478,293	525,094
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss	80,566	75,423
Private label residential MBS and CMOs
Debt Securities, Available-for-sale [Line Items]
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months	28,407	1,103,578
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months	440	93,480
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer	2,249,139	1,413,642
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss	352,956	240,500
Debt Securities, Available-for-sale, Unrealized Loss Position	2,277,546	2,517,220
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss	353,396	333,980
Private label commercial MBS
Debt Securities, Available-for-sale [Line Items]
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months	117,009	1,191,969
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months	1,400	39,729
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer	2,044,864	1,223,223
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss	94,350	81,261
Debt Securities, Available-for-sale, Unrealized Loss Position	2,161,873	2,415,192
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss	95,750	120,990
Single family real estate-backed securities
Debt Securities, Available-for-sale [Line Items]
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months	29,764	391,421
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months	22	22,293
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer	363,700	79,020
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss	24,936	9,460
Debt Securities, Available-for-sale, Unrealized Loss Position	393,464	470,441
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss	24,958	31,753
Collateralized loan obligations
Debt Securities, Available-for-sale [Line Items]
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months	89,928	596,803
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months	72	14,020
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer	909,457	494,945
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss	12,644	16,506
Debt Securities, Available-for-sale, Unrealized Loss Position	999,385	1,091,748
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss	12,716	30,526
Non-mortgage asset-backed securities
Debt Securities, Available-for-sale [Line Items]
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months	0	95,976
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months	0	6,218
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer	81,373	0
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss	4,057	0
Debt Securities, Available-for-sale, Unrealized Loss Position	81,373	95,976
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss	4,057	6,218
State and municipal obligations
Debt Securities, Available-for-sale [Line Items]
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months	68,039	67,444
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months	2,789	6,154
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer	29,196	1,114
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss	7,849	61
Debt Securities, Available-for-sale, Unrealized Loss Position	97,235	68,558
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss	10,638	6,215
SBA securities
Debt Securities, Available-for-sale [Line Items]
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months	8,496	42,900
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months	48	553
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer	89,696	74,291
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss	3,391	3,366
Debt Securities, Available-for-sale, Unrealized Loss Position	98,192	117,191
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss	$ 3,439	$ 3,919

Investment Securities (Narrativ

Investment Securities (Narrative) (Details) $ in Thousands	9 Months Ended
Investment Securities (Narrative) (Details) $ in Thousands	Sep. 30, 2023 USD ($) rental bond security	Dec. 31, 2022 USD ($) bond
Debt Securities, Available-for-sale [Line Items]
Number of held-to-maturity securities \| bond	1	1
Debt Securities, Available-for-sale, Unrealized Loss Position, Number of Positions \| security	587
Number of securities which impairment considered insignificant (in Securities) \| security	105
Available-for-sale securities, gross unrealized loss, considered insignificant \| $	$ 1,000
Interest Receivable \| $	134,000	$ 129,000
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain (Loss), before Tax \| $	(644,000)	(674,200)
Change in Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain (Loss), before Tax \| $	30,000
Available-for-sale Securities
Debt Securities, Available-for-sale [Line Items]
Securities pledged as collateral \| $	7,700,000	4,100,000
Interest Receivable \| $	$ 35,000	$ 34,000
U.S. Treasury securities
Debt Securities, Available-for-sale [Line Items]
Debt Securities, Available-for-sale, Unrealized Loss Position, Number of Positions	6
U.S. Government agency and sponsored enterprise residential MBS
Debt Securities, Available-for-sale [Line Items]
Debt Securities, Available-for-sale, Unrealized Loss Position, Number of Positions	156
U.S. Government agency and sponsored enterprise commercial MBS
Debt Securities, Available-for-sale [Line Items]
Debt Securities, Available-for-sale, Unrealized Loss Position, Number of Positions	27
Private label residential MBS and CMOs
Debt Securities, Available-for-sale [Line Items]
Debt Securities, Available-for-sale, Unrealized Loss Position, Number of Positions	116
Percentage of weighted average collateral loss	2%
Percentage of weighted average credit support	18%
Percentage of securities rated AAA	94%
Percentage of securities rated AA	4%
Percentage of securities rated A	2%
Private label commercial MBS
Debt Securities, Available-for-sale [Line Items]
Debt Securities, Available-for-sale, Unrealized Loss Position, Number of Positions	100
Percentage of weighted average collateral loss	6%
Percentage of weighted average credit support	43%
Percentage of securities rated AAA	85%
Percentage of securities rated AA	10%
Percentage of securities rated A	5%
Single family real estate-backed securities
Debt Securities, Available-for-sale [Line Items]
Debt Securities, Available-for-sale, Unrealized Loss Position, Number of Positions	13
Percentage of weighted average collateral loss	7%
Percentage of weighted average credit support	53%
Percentage of securities rated AAA	58%
Percentage of securities rated AA	16%
Number of Securities	1
Collateralized loan obligations
Debt Securities, Available-for-sale [Line Items]
Debt Securities, Available-for-sale, Unrealized Loss Position, Number of Positions	26
Percentage of weighted average collateral loss	11%
Percentage of weighted average credit support	45%
Percentage of securities rated AAA	81%
Percentage of securities rated AA	15%
Percentage of securities rated A	4%
Non-mortgage asset-backed securities
Debt Securities, Available-for-sale [Line Items]
Debt Securities, Available-for-sale, Unrealized Loss Position, Number of Positions	6
Percentage of weighted average collateral loss	4%
Percentage of weighted average credit support	24%
Percentage of securities rated AAA	39%
Percentage of securities rated AA	61%
State and municipal obligations
Debt Securities, Available-for-sale [Line Items]
Debt Securities, Available-for-sale, Unrealized Loss Position, Number of Positions	14
Percentage of securities rated AAA	54%
Percentage of securities rated AA	10%
Percentage of securities rated A	36%
SBA securities
Debt Securities, Available-for-sale [Line Items]
Debt Securities, Available-for-sale, Unrealized Loss Position, Number of Positions	18

Loans and Allowance for Credi_3

Loans and Allowance for Credit Losses (Narrative) (Details) - USD ($)	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022	Dec. 31, 2022	Jun. 30, 2023	Jun. 30, 2022	Dec. 31, 2021
Financing Receivable Investment Past Due [Line Items]
Financing Receivable, Deferred Income	$ 50,000,000		$ 50,000,000		$ 61,000,000
Financing Receivable, before Allowance for Credit Loss and Fee	24,356,276,000		24,356,276,000		24,885,988,000
Allowance for credit losses	(196,063,000)	$ (130,671,000)	(196,063,000)	$ (130,671,000)	(147,946,000)	$ (166,833,000)	$ (130,239,000)	$ (126,457,000)
Sales-type and Direct Financing Leases, Lease Receivable	627,000,000		627,000,000		634,000,000
Purchases of loans			418,244,000	2,000,568,000
Pledged Financial Instruments, Not Separately Reported, Loans Receivable, For Federal Home Loan Bank Debt	17,300,000,000		17,300,000,000		12,400,000,000
Interest Receivable	$ 134,000,000		134,000,000		$ 129,000,000
Financing receivable, allowance for credit loss, period increase			$ 48,100,000
Allowance for credit losses to total loans (in percent)	0.80%		0.80%		0.59%
Financing Receivable, 90 Days or More Past Due, Still Accruing	$ 315,000,000		$ 315,000,000		$ 494,000,000
Loans and Leases Receivable, Impaired, Interest Lost on Nonaccrual Loans	2,200,000	2,100,000	5,600,000	5,200,000
Small business finance
Financing Receivable Investment Past Due [Line Items]
Financing Receivable, 90 Days or More Past Due, Still Accruing	34,200,000		34,200,000		30,800,000
Financing Receivable, Nonaccrual	37,800,000		37,800,000		40,300,000
Financial Asset Acquired with Credit Deterioration [Member]
Financing Receivable Investment Past Due [Line Items]
Financing Receivable, before Allowance for Credit Loss and Fee	47,105,000		47,105,000		52,083,000
Financing Receivable, Purchased with Credit Deterioration, Discount (Premium)			37,799,000		44,354,000
Allowance for credit losses	(169,000)		(169,000)		(409,000)
UPB, Total	84,904,000		84,904,000		96,437,000
Financing Receivable, after Allowance for Credit Loss	46,936,000		46,936,000		51,674,000
1-4 single family residential
Financing Receivable Investment Past Due [Line Items]
Financing Receivable, before Allowance for Credit Loss and Fee	6,982,832,000		6,982,832,000		7,128,834,000
Purchases of loans	78,000,000	425,000,000	418,000,000	2,000,000,000
1-4 single family residential \| Interest and Fee Income, Loans and Leases
Financing Receivable Investment Past Due [Line Items]
Purchases of loans	4,300,000	$ 4,600,000	13,000,000	$ 13,600,000
Residential Portfolio Segment [Member]
Financing Receivable Investment Past Due [Line Items]
Mortgage Loans in Process of Foreclosure, Amount	305,000,000		305,000,000		413,000,000
US Government Agency Insured Loans
Financing Receivable Investment Past Due [Line Items]
Financing Receivable, before Allowance for Credit Loss and Fee	1,397,736,000		1,397,736,000		1,771,880,000
Mortgage Loans in Process of Foreclosure, Amount	294,000,000		294,000,000		$ 400,000,000
Commercial Portfolio Segment [Member] \| Minimum
Financing Receivable Investment Past Due [Line Items]
Financing receivable credit quality indicator, the value at which relationships are reevaluated at least annually	1,000,000		1,000,000
Commercial Portfolio Segment [Member] \| Maximum
Financing Receivable Investment Past Due [Line Items]
Financing receivable credit quality indicator, the value at which relationships are reevaluated at least annually	$ 3,000,000		$ 3,000,000

Loans and Allowance for Credi_4

Loans and Allowance for Credit Losses (Schedule of Loans) (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	$ 24,356,276	$ 24,885,988
Percent of total loans (in Percent)	100%	100%
Loans and Leases Receivable, Allowance	$ (196,063)	$ (147,946)
Loans and Leases Receivable, Net Amount, Total	24,160,213	24,738,042
Commercial Portfolio Segment [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	$ 15,975,708	$ 15,985,274
Percent of total loans (in Percent)	65.60%	64.30%
1-4 single family residential
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	$ 6,982,832	$ 7,128,834
Percent of total loans (in Percent)	28.70%	28.60%
Government Insured Residential
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	$ 1,397,736	$ 1,771,880
Percent of total loans (in Percent)	5.70%	7.10%
Commercial real estate, Non-owner occupied
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	$ 5,296,784	$ 5,405,597
Percent of total loans (in Percent)	21.70%	21.70%
Construction and land
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	$ 445,273	$ 294,360
Percent of total loans (in Percent)	1.80%	1.20%
Commercial real estate, Owner occupied
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	$ 1,851,246	$ 1,890,813
Percent of total loans (in Percent)	7.60%	7.60%
Commercial and industrial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	$ 6,658,010	$ 6,417,721
Percent of total loans (in Percent)	27.40%	25.90%
Pinnacle Public Finance [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	$ 900,199	$ 912,122
Percent of total loans (in Percent)	3.70%	3.70%
Bridge - franchise finance
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	$ 196,745	$ 253,774
Percent of total loans (in Percent)	0.80%	1%
Bridge - equipment finance
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	$ 219,874	$ 286,147
Percent of total loans (in Percent)	0.90%	1.10%
Mortgage warehouse lending [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	$ 407,577	$ 524,740
Percent of total loans (in Percent)	1.70%	2.10%
Residential Portfolio Segment [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	$ 8,380,568	$ 8,900,714
Percent of total loans (in Percent)	34.40%	35.70%

Loans and Allowance for Credi_5

Loans and Allowance for Credit Losses (ALLL Rollforward) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022	Jan. 01, 2023
Allowance for Loan and Lease Losses [Roll Forward]
Financing Receivable, Allowance for Credit Loss, Beginning Balance	$ 166,833	$ 130,239	$ 147,946	$ 126,457
Financing Receivable, Allowance for Credit Loss	(196,063)	(130,671)	(196,063)	(130,671)
Provision for credit losses	33,049	3,720	68,354	35,546
Charge-offs	(5,155)	(4,280)	(22,190)	(35,930)
Recoveries	3,508	1,959	9,434	6,738
Allowance for loan and lease losses, end of period	196,063	130,671	196,063	130,671
Cumulative Effect, Period of Adoption, Adjustment
Allowance for Loan and Lease Losses [Roll Forward]
Financing Receivable, Allowance for Credit Loss					$ 1,794
Cumulative Effect, Period of Adoption, Adjusted Balance
Allowance for Loan and Lease Losses [Roll Forward]
Financing Receivable, Allowance for Credit Loss, Beginning Balance				126,457
Financing Receivable, Allowance for Credit Loss					(146,152)
Residential Portfolio Segment [Member]
Allowance for Loan and Lease Losses [Roll Forward]
Financing Receivable, Allowance for Credit Loss, Beginning Balance	8,887	9,010	11,741	9,187
Financing Receivable, Allowance for Credit Loss	(8,031)	(11,395)	(8,031)	(11,395)
Charge-offs	0	0	0	(412)
Recoveries	4	1	9	44
Allowance for loan and lease losses, end of period	8,031	11,395	8,031	11,395
Residential Portfolio Segment [Member] \| Cumulative Effect, Period of Adoption, Adjustment
Allowance for Loan and Lease Losses [Roll Forward]
Financing Receivable, Allowance for Credit Loss					117
Residential Portfolio Segment [Member] \| Cumulative Effect, Period of Adoption, Adjusted Balance
Allowance for Loan and Lease Losses [Roll Forward]
Financing Receivable, Allowance for Credit Loss, Beginning Balance				9,187
Financing Receivable, Allowance for Credit Loss					(11,624)
Commercial Portfolio Segment [Member]
Allowance for Loan and Lease Losses [Roll Forward]
Financing Receivable, Allowance for Credit Loss, Beginning Balance	157,946	121,229	136,205	117,270
Financing Receivable, Allowance for Credit Loss	(188,032)	(119,276)	(188,032)	(119,276)
Charge-offs	(5,155)	(4,280)	(22,190)	(35,518)
Recoveries	3,504	1,958	9,425	6,694
Allowance for loan and lease losses, end of period	188,032	119,276	188,032	119,276
Commercial Portfolio Segment [Member] \| Cumulative Effect, Period of Adoption, Adjustment
Allowance for Loan and Lease Losses [Roll Forward]
Financing Receivable, Allowance for Credit Loss					1,677
Commercial Portfolio Segment [Member] \| Cumulative Effect, Period of Adoption, Adjusted Balance
Allowance for Loan and Lease Losses [Roll Forward]
Financing Receivable, Allowance for Credit Loss, Beginning Balance				117,270
Financing Receivable, Allowance for Credit Loss					$ (134,528)
Funded Loans [Member]
Allowance for Loan and Lease Losses [Roll Forward]
Provision for credit losses	30,877	2,753	62,667	33,406
Funded Loans [Member] \| Residential Portfolio Segment [Member]
Allowance for Loan and Lease Losses [Roll Forward]
Provision for credit losses	(860)	2,384	(3,602)	2,576
Funded Loans [Member] \| Commercial Portfolio Segment [Member]
Allowance for Loan and Lease Losses [Roll Forward]
Provision for credit losses	$ 31,737	$ 369	$ 66,269	$ 30,830

Loans and Allowance for Credi_6

Loans and Allowance for Credit Losses Loans and Allowance for Credit Losses (Gross Charge-Offs by Year of Origination) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Financing Receivable, Allowance for Credit Loss [Line Items]
2023			$ 743
2022			3,338
2021			43
2020			1,118
2019			9,648
Prior to 2019			6,651
Revolving Loans			649
Total	$ 5,155	$ 4,280	22,190	$ 35,930
Commercial Real Estate Portfolio Segment [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
2023			0
2022			0
2021			0
2020			0
2019			0
Prior to 2019			972
Revolving Loans			0
Total			972
Commercial and industrial Portfolio Segment
Financing Receivable, Allowance for Credit Loss [Line Items]
2023			743
2022			3,338
2021			43
2020			105
2019			7,239
Prior to 2019			1,854
Revolving Loans			649
Total			13,971
Bridge - franchise finance
Financing Receivable, Allowance for Credit Loss [Line Items]
2023			0
2022			0
2021			0
2020			1,013
2019			2,409
Prior to 2019			3,825
Revolving Loans			0
Total			$ 7,247

Loans and Allowance for Credi_7

Loans and Allowance for Credit Losses Loans and Allowance for Credit Losses (Balance of ALLL and Related Loans) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Financing Receivable, Allowance for Credit Loss [Line Items]
Provision for credit losses	$ 33,049	$ 3,720	$ 68,354	$ 35,546
Off-Balance Sheet, Credit Loss, Liability, Credit Loss Expense (Reversal)	2,172	967	5,687	2,267
Funded Loans [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Provision for credit losses	30,877	2,753	62,667	33,406
Accrued Interest Receivable
Financing Receivable, Allowance for Credit Loss [Line Items]
Provision for credit losses	$ 0	$ 0	$ 0	$ 127

Loans and Allowance for Credi_8

Loans and Allowance for Credit Losses (Schedule of Credit Exposure for Loans Based on Original LTV and FICO Score) (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, before Allowance for Credit Loss and Fee	$ 24,356,276	$ 24,885,988
1-4 single family residential
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Originated in Current Fiscal Year	308,220	1,201,204
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	1,148,641	3,169,085
Financing Receivable, Originated Two Years before Latest Fiscal Year	3,014,862	922,591
Financing Receivable, Originated Three Years before Latest Fiscal Year	873,680	320,683
Financing Receivable, Originated Four Years before Latest Fiscal Year	303,616	182,814
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	1,333,813	1,332,457
Financing Receivable, before Allowance for Credit Loss and Fee	6,982,832	7,128,834
FICO, 760 or greater \| 1-4 single family residential
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Originated in Current Fiscal Year	211,896	805,125
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	826,990	2,513,045
Financing Receivable, Originated Two Years before Latest Fiscal Year	2,412,587	721,982
Financing Receivable, Originated Three Years before Latest Fiscal Year	707,589	212,574
Financing Receivable, Originated Four Years before Latest Fiscal Year	207,477	97,076
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	925,812	944,783
Financing Receivable, before Allowance for Credit Loss and Fee	5,292,351	5,294,585
FICO, 720 to 759 \| 1-4 single family residential
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Originated in Current Fiscal Year	67,543	285,507
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	195,347	485,528
Financing Receivable, Originated Two Years before Latest Fiscal Year	396,763	132,928
Financing Receivable, Originated Three Years before Latest Fiscal Year	101,249	62,301
Financing Receivable, Originated Four Years before Latest Fiscal Year	52,928	45,857
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	216,033	216,047
Financing Receivable, before Allowance for Credit Loss and Fee	1,029,863	1,228,168
FICO, 719 or less \| 1-4 single family residential
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Originated in Current Fiscal Year	28,781	110,572
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	126,304	170,512
Financing Receivable, Originated Two Years before Latest Fiscal Year	205,512	67,681
Financing Receivable, Originated Three Years before Latest Fiscal Year	64,842	45,808
Financing Receivable, Originated Four Years before Latest Fiscal Year	43,211	39,881
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	191,968	171,627
Financing Receivable, before Allowance for Credit Loss and Fee	660,618	606,081
Less than 61% [Member] \| 1-4 single family residential
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Originated in Current Fiscal Year	50,658	282,940
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	265,342	1,301,279
Financing Receivable, Originated Two Years before Latest Fiscal Year	1,228,237	354,720
Financing Receivable, Originated Three Years before Latest Fiscal Year	331,864	76,404
Financing Receivable, Originated Four Years before Latest Fiscal Year	72,956	42,864
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	452,361	472,090
Financing Receivable, before Allowance for Credit Loss and Fee	2,401,418	2,530,297
61% - 70% [Member] \| 1-4 single family residential
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Originated in Current Fiscal Year	53,499	295,206
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	285,656	857,008
Financing Receivable, Originated Two Years before Latest Fiscal Year	822,152	231,732
Financing Receivable, Originated Three Years before Latest Fiscal Year	223,781	80,383
Financing Receivable, Originated Four Years before Latest Fiscal Year	73,589	49,047
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	308,859	310,649
Financing Receivable, before Allowance for Credit Loss and Fee	1,767,536	1,824,025
71% - 80% [Member] \| 1-4 single family residential
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Originated in Current Fiscal Year	204,063	620,049
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	595,548	975,542
Financing Receivable, Originated Two Years before Latest Fiscal Year	929,735	336,066
Financing Receivable, Originated Three Years before Latest Fiscal Year	317,963	158,406
Financing Receivable, Originated Four Years before Latest Fiscal Year	151,667	86,463
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	534,823	510,633
Financing Receivable, before Allowance for Credit Loss and Fee	2,733,799	2,687,159
More than 81% [Member] \| 1-4 single family residential
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Originated in Current Fiscal Year	0	3,009
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	2,095	35,256
Financing Receivable, Originated Two Years before Latest Fiscal Year	34,738	73
Financing Receivable, Originated Three Years before Latest Fiscal Year	72	5,490
Financing Receivable, Originated Four Years before Latest Fiscal Year	5,404	4,440
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	37,770	39,085
Financing Receivable, before Allowance for Credit Loss and Fee	80,079	87,353
30 - 59 Days Past Due
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, before Allowance for Credit Loss and Fee	168,369	210,634
30 - 59 Days Past Due \| 1-4 single family residential
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Originated in Current Fiscal Year	107	12,752
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	4,193	16,432
Financing Receivable, Originated Two Years before Latest Fiscal Year	11,097	3,266
Financing Receivable, Originated Three Years before Latest Fiscal Year	1,456	2,953
Financing Receivable, Originated Four Years before Latest Fiscal Year	0	1,854
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	10,195	5,759
Financing Receivable, before Allowance for Credit Loss and Fee	27,048	43,016
60 - 89 Days Past Due
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, before Allowance for Credit Loss and Fee	81,640	104,171
60 - 89 Days Past Due \| 1-4 single family residential
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Originated in Current Fiscal Year	0	252
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	1,681	1,196
Financing Receivable, Originated Two Years before Latest Fiscal Year	219	229
Financing Receivable, Originated Three Years before Latest Fiscal Year	0	1,347
Financing Receivable, Originated Four Years before Latest Fiscal Year	0	0
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	739	1,052
Financing Receivable, before Allowance for Credit Loss and Fee	2,639	4,076
90 Days or More Past Due
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, before Allowance for Credit Loss and Fee	368,736	551,169
90 Days or More Past Due \| 1-4 single family residential
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivable, Originated in Current Fiscal Year	0	2,589
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	6,127	2,158
Financing Receivable, Originated Two Years before Latest Fiscal Year	128	2,173
Financing Receivable, Originated Three Years before Latest Fiscal Year	2,050	360
Financing Receivable, Originated Four Years before Latest Fiscal Year	1,563	3,069
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	4,571	4,635
Financing Receivable, before Allowance for Credit Loss and Fee	$ 14,439	$ 14,984

Loans and Allowance for Credi_9

Loans and Allowance for Credit Losses (Schedule of Commercial Credit Exposure Based on Internal Risk Ratings) (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Financing Receivable Recorded Investment [Line Items]
Financing Receivable, before Allowance for Credit Loss and Fee	$ 24,356,276	$ 24,885,988
Pinnacle Public Finance [Member]
Financing Receivable Recorded Investment [Line Items]
Financing Receivable, Originated in Current Fiscal Year	158,220	179,223
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	140,362	110,510
Financing Receivable, Originated Two Years before Latest Fiscal Year	78,322	66,592
Financing Receivable, Originated Three Years before Latest Fiscal Year	34,597	66,514
Financing Receivable, Originated Four Years before Latest Fiscal Year	56,848	29,783
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	431,850	459,500
Financing Receivable, Revolving	0	0
Financing Receivable, before Allowance for Credit Loss and Fee	900,199	912,122
Pinnacle Public Finance [Member] \| Pass
Financing Receivable Recorded Investment [Line Items]
Financing Receivable, Originated in Current Fiscal Year	158,220	179,223
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	140,362	110,510
Financing Receivable, Originated Two Years before Latest Fiscal Year	78,322	66,592
Financing Receivable, Originated Three Years before Latest Fiscal Year	34,597	66,514
Financing Receivable, Originated Four Years before Latest Fiscal Year	56,848	29,783
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	431,850	459,500
Financing Receivable, Revolving	0	0
Financing Receivable, before Allowance for Credit Loss and Fee	900,199	912,122
Bridge - franchise finance
Financing Receivable Recorded Investment [Line Items]
Financing Receivable, Originated in Current Fiscal Year	5,381	81,146
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	26,881	20,868
Financing Receivable, Originated Two Years before Latest Fiscal Year	38,426	40,601
Financing Receivable, Originated Three Years before Latest Fiscal Year	34,795	64,420
Financing Receivable, Originated Four Years before Latest Fiscal Year	46,244	31,816
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	44,684	14,923
Financing Receivable, Revolving	334	0
Financing Receivable, before Allowance for Credit Loss and Fee	196,745	253,774
Bridge - franchise finance \| Pass
Financing Receivable Recorded Investment [Line Items]
Financing Receivable, Originated in Current Fiscal Year	5,381	81,146
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	26,660	19,251
Financing Receivable, Originated Two Years before Latest Fiscal Year	37,233	38,293
Financing Receivable, Originated Three Years before Latest Fiscal Year	31,551	34,483
Financing Receivable, Originated Four Years before Latest Fiscal Year	23,706	8,617
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	26,612	6,799
Financing Receivable, Revolving	334	0
Financing Receivable, before Allowance for Credit Loss and Fee	151,477	188,589
Bridge - franchise finance \| Special mention
Financing Receivable Recorded Investment [Line Items]
Financing Receivable, Originated in Current Fiscal Year	0	0
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	0	0
Financing Receivable, Originated Two Years before Latest Fiscal Year	0	0
Financing Receivable, Originated Three Years before Latest Fiscal Year	2,351	5,432
Financing Receivable, Originated Four Years before Latest Fiscal Year	0	2,168
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	0	0
Financing Receivable, Revolving	0	0
Financing Receivable, before Allowance for Credit Loss and Fee	2,351	7,600
Bridge - franchise finance \| Substandard
Financing Receivable Recorded Investment [Line Items]
Financing Receivable, Originated in Current Fiscal Year	0	0
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	221	1,617
Financing Receivable, Originated Two Years before Latest Fiscal Year	1,193	1,295
Financing Receivable, Originated Three Years before Latest Fiscal Year	893	22,058
Financing Receivable, Originated Four Years before Latest Fiscal Year	22,538	17,148
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	12,834	8,124
Financing Receivable, Revolving	0	0
Financing Receivable, before Allowance for Credit Loss and Fee	37,679	50,242
Bridge - franchise finance \| Doubtful
Financing Receivable Recorded Investment [Line Items]
Financing Receivable, Originated in Current Fiscal Year	0	0
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	0	0
Financing Receivable, Originated Two Years before Latest Fiscal Year	0	1,013
Financing Receivable, Originated Three Years before Latest Fiscal Year	0	2,447
Financing Receivable, Originated Four Years before Latest Fiscal Year	0	3,883
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	5,238	0
Financing Receivable, Revolving	0	0
Financing Receivable, before Allowance for Credit Loss and Fee	5,238	7,343
Bridge - equipment finance
Financing Receivable Recorded Investment [Line Items]
Financing Receivable, Originated in Current Fiscal Year	1,132	27,386
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	24,213	55,015
Financing Receivable, Originated Two Years before Latest Fiscal Year	45,515	16,488
Financing Receivable, Originated Three Years before Latest Fiscal Year	14,878	91,641
Financing Receivable, Originated Four Years before Latest Fiscal Year	64,472	33,264
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	69,664	62,353
Financing Receivable, Revolving	0	0
Financing Receivable, before Allowance for Credit Loss and Fee	219,874	286,147
Bridge - equipment finance \| Pass
Financing Receivable Recorded Investment [Line Items]
Financing Receivable, Originated in Current Fiscal Year	1,132	27,386
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	9,147	55,015
Financing Receivable, Originated Two Years before Latest Fiscal Year	43,364	16,488
Financing Receivable, Originated Three Years before Latest Fiscal Year	14,878	90,286
Financing Receivable, Originated Four Years before Latest Fiscal Year	58,346	33,264
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	62,535	62,353
Financing Receivable, Revolving	0	0
Financing Receivable, before Allowance for Credit Loss and Fee	189,402	284,792
Bridge - equipment finance \| Substandard
Financing Receivable Recorded Investment [Line Items]
Financing Receivable, Originated in Current Fiscal Year	0	0
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	15,066	0
Financing Receivable, Originated Two Years before Latest Fiscal Year	2,151	0
Financing Receivable, Originated Three Years before Latest Fiscal Year	0	1,355
Financing Receivable, Originated Four Years before Latest Fiscal Year	6,126	0
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	7,129	0
Financing Receivable, Revolving	0	0
Financing Receivable, before Allowance for Credit Loss and Fee	30,472	1,355
Mortgage warehouse lending [Member]
Financing Receivable Recorded Investment [Line Items]
Financing Receivable, Originated in Current Fiscal Year	0	0
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	0	0
Financing Receivable, Originated Two Years before Latest Fiscal Year	0	0
Financing Receivable, Originated Three Years before Latest Fiscal Year	0	0
Financing Receivable, Originated Four Years before Latest Fiscal Year	0	0
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	0	0
Financing Receivable, Revolving	407,577	524,740
Financing Receivable, before Allowance for Credit Loss and Fee	407,577	524,740
Mortgage warehouse lending [Member] \| Pass
Financing Receivable Recorded Investment [Line Items]
Financing Receivable, Originated in Current Fiscal Year	0	0
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	0	0
Financing Receivable, Originated Two Years before Latest Fiscal Year	0	0
Financing Receivable, Originated Three Years before Latest Fiscal Year	0	0
Financing Receivable, Originated Four Years before Latest Fiscal Year	0	0
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	0	0
Financing Receivable, Revolving	407,577	524,740
Financing Receivable, before Allowance for Credit Loss and Fee	407,577	524,740
Commercial Real Estate Portfolio Segment [Member]
Financing Receivable Recorded Investment [Line Items]
Financing Receivable, Originated in Current Fiscal Year	434,477	1,268,632
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	1,301,592	759,380
Financing Receivable, Originated Two Years before Latest Fiscal Year	689,131	570,236
Financing Receivable, Originated Three Years before Latest Fiscal Year	557,343	1,254,557
Financing Receivable, Originated Four Years before Latest Fiscal Year	1,166,897	569,099
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	1,358,969	1,081,090
Financing Receivable, Revolving	233,648	196,963
Financing Receivable, before Allowance for Credit Loss and Fee	5,742,057	5,699,957
Commercial Real Estate Portfolio Segment [Member] \| Pass
Financing Receivable Recorded Investment [Line Items]
Financing Receivable, Originated in Current Fiscal Year	434,477	1,256,300
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	1,246,679	758,025
Financing Receivable, Originated Two Years before Latest Fiscal Year	687,012	550,133
Financing Receivable, Originated Three Years before Latest Fiscal Year	538,336	1,138,113
Financing Receivable, Originated Four Years before Latest Fiscal Year	1,039,284	512,125
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	1,198,408	932,030
Financing Receivable, Revolving	233,648	196,963
Financing Receivable, before Allowance for Credit Loss and Fee	5,377,844	5,343,689
Commercial Real Estate Portfolio Segment [Member] \| Special mention
Financing Receivable Recorded Investment [Line Items]
Financing Receivable, Originated in Current Fiscal Year	0	0
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	54,913	0
Financing Receivable, Originated Two Years before Latest Fiscal Year	2,119	0
Financing Receivable, Originated Three Years before Latest Fiscal Year	0	18,006
Financing Receivable, Originated Four Years before Latest Fiscal Year	17,733	0
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	184	709
Financing Receivable, Revolving	0	0
Financing Receivable, before Allowance for Credit Loss and Fee	74,949	18,715
Commercial Real Estate Portfolio Segment [Member] \| Substandard
Financing Receivable Recorded Investment [Line Items]
Financing Receivable, Originated in Current Fiscal Year	0	12,332
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	0	1,355
Financing Receivable, Originated Two Years before Latest Fiscal Year	0	20,103
Financing Receivable, Originated Three Years before Latest Fiscal Year	19,007	98,438
Financing Receivable, Originated Four Years before Latest Fiscal Year	109,880	56,974
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	160,377	148,351
Financing Receivable, Revolving	0	0
Financing Receivable, before Allowance for Credit Loss and Fee	289,264	337,553
Commercial and industrial Portfolio Segment
Financing Receivable Recorded Investment [Line Items]
Financing Receivable, Originated in Current Fiscal Year	1,036,410	1,906,814
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	1,660,362	839,326
Financing Receivable, Originated Two Years before Latest Fiscal Year	765,117	449,515
Financing Receivable, Originated Three Years before Latest Fiscal Year	383,842	796,508
Financing Receivable, Originated Four Years before Latest Fiscal Year	557,510	436,649
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	1,226,887	957,799
Financing Receivable, Revolving	2,879,128	2,921,923
Financing Receivable, before Allowance for Credit Loss and Fee	8,509,256	8,308,534
Commercial and industrial Portfolio Segment \| Pass
Financing Receivable Recorded Investment [Line Items]
Financing Receivable, Originated in Current Fiscal Year	1,031,714	1,880,853
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	1,512,244	825,410
Financing Receivable, Originated Two Years before Latest Fiscal Year	678,519	445,988
Financing Receivable, Originated Three Years before Latest Fiscal Year	350,864	689,003
Financing Receivable, Originated Four Years before Latest Fiscal Year	488,934	416,287
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	1,093,761	832,952
Financing Receivable, Revolving	2,801,246	2,900,336
Financing Receivable, before Allowance for Credit Loss and Fee	7,957,282	7,990,829
Commercial and industrial Portfolio Segment \| Special mention
Financing Receivable Recorded Investment [Line Items]
Financing Receivable, Originated in Current Fiscal Year	9	63
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	64,338	0
Financing Receivable, Originated Two Years before Latest Fiscal Year	81,766	208
Financing Receivable, Originated Three Years before Latest Fiscal Year	15,199	3,880
Financing Receivable, Originated Four Years before Latest Fiscal Year	50,348	0
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	20,157	20,657
Financing Receivable, Revolving	32,882	310
Financing Receivable, before Allowance for Credit Loss and Fee	264,699	25,118
Commercial and industrial Portfolio Segment \| Substandard
Financing Receivable Recorded Investment [Line Items]
Financing Receivable, Originated in Current Fiscal Year	4,687	25,898
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	83,780	13,916
Financing Receivable, Originated Two Years before Latest Fiscal Year	4,832	3,319
Financing Receivable, Originated Three Years before Latest Fiscal Year	17,779	103,625
Financing Receivable, Originated Four Years before Latest Fiscal Year	18,228	19,715
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	98,863	104,190
Financing Receivable, Revolving	45,000	21,277
Financing Receivable, before Allowance for Credit Loss and Fee	273,169	291,940
Commercial and industrial Portfolio Segment \| Doubtful
Financing Receivable Recorded Investment [Line Items]
Financing Receivable, Originated in Current Fiscal Year	0	0
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	0	0
Financing Receivable, Originated Two Years before Latest Fiscal Year	0	0
Financing Receivable, Originated Three Years before Latest Fiscal Year	0	0
Financing Receivable, Originated Four Years before Latest Fiscal Year	0	647
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	14,106	0
Financing Receivable, Revolving	0	0
Financing Receivable, before Allowance for Credit Loss and Fee	14,106	647
Criticized Commercial Portfolio Segment
Financing Receivable Recorded Investment [Line Items]
Financing Receivable, before Allowance for Credit Loss and Fee	991,927	740,513
Criticized Commercial Portfolio Segment \| Special mention
Financing Receivable Recorded Investment [Line Items]
Financing Receivable, before Allowance for Credit Loss and Fee	341,999	51,433
Criticized Commercial Portfolio Segment \| Substandard
Financing Receivable Recorded Investment [Line Items]
Financing Receivable, before Allowance for Credit Loss and Fee	534,336	605,965
Criticized Commercial Portfolio Segment \| Substandard Non-Accruing
Financing Receivable Recorded Investment [Line Items]
Financing Receivable, before Allowance for Credit Loss and Fee	96,248	75,125
Criticized Commercial Portfolio Segment \| Doubtful
Financing Receivable Recorded Investment [Line Items]
Financing Receivable, before Allowance for Credit Loss and Fee	$ 19,344	$ 7,990

Loans and Allowance for Cred_10

Loans and Allowance for Credit Losses (Schedule of Financing Receivables Past Due) (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Financing Receivable Investment Past Due [Line Items]
Financing Receivable, before Allowance for Credit Loss and Fee	$ 24,356,276	$ 24,885,988
1-4 single family residential
Financing Receivable Investment Past Due [Line Items]
Financing Receivable, before Allowance for Credit Loss and Fee	6,982,832	7,128,834
Financing Receivable, Originated in Current Fiscal Year	308,220	1,201,204
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	1,148,641	3,169,085
Financing Receivable, Originated Two Years before Latest Fiscal Year	3,014,862	922,591
Financing Receivable, Originated Three Years before Latest Fiscal Year	873,680	320,683
Financing Receivable, Originated Four Years before Latest Fiscal Year	303,616	182,814
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	1,333,813	1,332,457
US Government Agency Insured Loans
Financing Receivable Investment Past Due [Line Items]
Financing Receivable, before Allowance for Credit Loss and Fee	1,397,736	1,771,880
Pinnacle Public Finance [Member]
Financing Receivable Investment Past Due [Line Items]
Financing Receivable, before Allowance for Credit Loss and Fee	900,199	912,122
Financing Receivable, Originated in Current Fiscal Year	158,220	179,223
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	140,362	110,510
Financing Receivable, Originated Two Years before Latest Fiscal Year	78,322	66,592
Financing Receivable, Originated Three Years before Latest Fiscal Year	34,597	66,514
Financing Receivable, Originated Four Years before Latest Fiscal Year	56,848	29,783
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	431,850	459,500
Bridge - franchise finance
Financing Receivable Investment Past Due [Line Items]
Financing Receivable, before Allowance for Credit Loss and Fee	196,745	253,774
Financing Receivable, Originated in Current Fiscal Year	5,381	81,146
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	26,881	20,868
Financing Receivable, Originated Two Years before Latest Fiscal Year	38,426	40,601
Financing Receivable, Originated Three Years before Latest Fiscal Year	34,795	64,420
Financing Receivable, Originated Four Years before Latest Fiscal Year	46,244	31,816
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	44,684	14,923
Bridge - equipment finance
Financing Receivable Investment Past Due [Line Items]
Financing Receivable, before Allowance for Credit Loss and Fee	219,874	286,147
Financing Receivable, Originated in Current Fiscal Year	1,132	27,386
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	24,213	55,015
Financing Receivable, Originated Two Years before Latest Fiscal Year	45,515	16,488
Financing Receivable, Originated Three Years before Latest Fiscal Year	14,878	91,641
Financing Receivable, Originated Four Years before Latest Fiscal Year	64,472	33,264
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	69,664	62,353
Mortgage warehouse lending [Member]
Financing Receivable Investment Past Due [Line Items]
Financing Receivable, before Allowance for Credit Loss and Fee	407,577	524,740
Financing Receivable, Originated in Current Fiscal Year	0	0
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	0	0
Financing Receivable, Originated Two Years before Latest Fiscal Year	0	0
Financing Receivable, Originated Three Years before Latest Fiscal Year	0	0
Financing Receivable, Originated Four Years before Latest Fiscal Year	0	0
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	0	0
Commercial and industrial Portfolio Segment
Financing Receivable Investment Past Due [Line Items]
Financing Receivable, before Allowance for Credit Loss and Fee	8,509,256	8,308,534
Financing Receivable, Originated in Current Fiscal Year	1,036,410	1,906,814
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	1,660,362	839,326
Financing Receivable, Originated Two Years before Latest Fiscal Year	765,117	449,515
Financing Receivable, Originated Three Years before Latest Fiscal Year	383,842	796,508
Financing Receivable, Originated Four Years before Latest Fiscal Year	557,510	436,649
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	1,226,887	957,799
Commercial Real Estate Portfolio Segment [Member]
Financing Receivable Investment Past Due [Line Items]
Financing Receivable, before Allowance for Credit Loss and Fee	5,742,057	5,699,957
Financing Receivable, Originated in Current Fiscal Year	434,477	1,268,632
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	1,301,592	759,380
Financing Receivable, Originated Two Years before Latest Fiscal Year	689,131	570,236
Financing Receivable, Originated Three Years before Latest Fiscal Year	557,343	1,254,557
Financing Receivable, Originated Four Years before Latest Fiscal Year	1,166,897	569,099
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	1,358,969	1,081,090
Current
Financing Receivable Investment Past Due [Line Items]
Financing Receivable, before Allowance for Credit Loss and Fee	23,737,531	24,020,014
Current \| 1-4 single family residential
Financing Receivable Investment Past Due [Line Items]
Financing Receivable, before Allowance for Credit Loss and Fee	6,938,706	7,066,758
Financing Receivable, Originated in Current Fiscal Year	308,113	1,185,611
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	1,136,640	3,149,299
Financing Receivable, Originated Two Years before Latest Fiscal Year	3,003,418	916,923
Financing Receivable, Originated Three Years before Latest Fiscal Year	870,174	316,023
Financing Receivable, Originated Four Years before Latest Fiscal Year	302,053	177,891
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	1,318,308	1,321,011
Current \| US Government Agency Insured Loans
Financing Receivable Investment Past Due [Line Items]
Financing Receivable, before Allowance for Credit Loss and Fee	872,098	1,025,523
Current \| Pinnacle Public Finance [Member]
Financing Receivable Investment Past Due [Line Items]
Financing Receivable, before Allowance for Credit Loss and Fee	900,199	912,122
Current \| Bridge - franchise finance
Financing Receivable Investment Past Due [Line Items]
Financing Receivable, before Allowance for Credit Loss and Fee	196,745	243,574
Current \| Bridge - equipment finance
Financing Receivable Investment Past Due [Line Items]
Financing Receivable, before Allowance for Credit Loss and Fee	219,874	286,147
Current \| Mortgage warehouse lending [Member]
Financing Receivable Investment Past Due [Line Items]
Financing Receivable, before Allowance for Credit Loss and Fee	407,577	524,740
Current \| Commercial and industrial Portfolio Segment
Financing Receivable Investment Past Due [Line Items]
Financing Receivable, before Allowance for Credit Loss and Fee	8,475,471	8,280,321
Current \| Commercial Real Estate Portfolio Segment [Member]
Financing Receivable Investment Past Due [Line Items]
Financing Receivable, before Allowance for Credit Loss and Fee	5,726,861	5,680,829
30 - 59 Days Past Due
Financing Receivable Investment Past Due [Line Items]
Financing Receivable, before Allowance for Credit Loss and Fee	168,369	210,634
30 - 59 Days Past Due \| 1-4 single family residential
Financing Receivable Investment Past Due [Line Items]
Financing Receivable, before Allowance for Credit Loss and Fee	27,048	43,016
Financing Receivable, Originated in Current Fiscal Year	107	12,752
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	4,193	16,432
Financing Receivable, Originated Two Years before Latest Fiscal Year	11,097	3,266
Financing Receivable, Originated Three Years before Latest Fiscal Year	1,456	2,953
Financing Receivable, Originated Four Years before Latest Fiscal Year	0	1,854
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	10,195	5,759
30 - 59 Days Past Due \| US Government Agency Insured Loans
Financing Receivable Investment Past Due [Line Items]
Financing Receivable, before Allowance for Credit Loss and Fee	141,190	159,461
30 - 59 Days Past Due \| Pinnacle Public Finance [Member]
Financing Receivable Investment Past Due [Line Items]
Financing Receivable, before Allowance for Credit Loss and Fee	0	0
30 - 59 Days Past Due \| Bridge - franchise finance
Financing Receivable Investment Past Due [Line Items]
Financing Receivable, before Allowance for Credit Loss and Fee	0	1,321
30 - 59 Days Past Due \| Bridge - equipment finance
Financing Receivable Investment Past Due [Line Items]
Financing Receivable, before Allowance for Credit Loss and Fee	0	0
30 - 59 Days Past Due \| Mortgage warehouse lending [Member]
Financing Receivable Investment Past Due [Line Items]
Financing Receivable, before Allowance for Credit Loss and Fee	0	0
30 - 59 Days Past Due \| Commercial and industrial Portfolio Segment
Financing Receivable Investment Past Due [Line Items]
Financing Receivable, before Allowance for Credit Loss and Fee	131	2,508
30 - 59 Days Past Due \| Commercial Real Estate Portfolio Segment [Member]
Financing Receivable Investment Past Due [Line Items]
Financing Receivable, before Allowance for Credit Loss and Fee	0	4,328
60 - 89 Days Past Due
Financing Receivable Investment Past Due [Line Items]
Financing Receivable, before Allowance for Credit Loss and Fee	81,640	104,171
60 - 89 Days Past Due \| 1-4 single family residential
Financing Receivable Investment Past Due [Line Items]
Financing Receivable, before Allowance for Credit Loss and Fee	2,639	4,076
Financing Receivable, Originated in Current Fiscal Year	0	252
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	1,681	1,196
Financing Receivable, Originated Two Years before Latest Fiscal Year	219	229
Financing Receivable, Originated Three Years before Latest Fiscal Year	0	1,347
Financing Receivable, Originated Four Years before Latest Fiscal Year	0	0
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	739	1,052
60 - 89 Days Past Due \| US Government Agency Insured Loans
Financing Receivable Investment Past Due [Line Items]
Financing Receivable, before Allowance for Credit Loss and Fee	70,721	94,294
60 - 89 Days Past Due \| Pinnacle Public Finance [Member]
Financing Receivable Investment Past Due [Line Items]
Financing Receivable, before Allowance for Credit Loss and Fee	0	0
60 - 89 Days Past Due \| Bridge - franchise finance
Financing Receivable Investment Past Due [Line Items]
Financing Receivable, before Allowance for Credit Loss and Fee	0	0
60 - 89 Days Past Due \| Bridge - equipment finance
Financing Receivable Investment Past Due [Line Items]
Financing Receivable, before Allowance for Credit Loss and Fee	0	0
60 - 89 Days Past Due \| Mortgage warehouse lending [Member]
Financing Receivable Investment Past Due [Line Items]
Financing Receivable, before Allowance for Credit Loss and Fee	0	0
60 - 89 Days Past Due \| Commercial and industrial Portfolio Segment
Financing Receivable Investment Past Due [Line Items]
Financing Receivable, before Allowance for Credit Loss and Fee	6,276	1,028
60 - 89 Days Past Due \| Commercial Real Estate Portfolio Segment [Member]
Financing Receivable Investment Past Due [Line Items]
Financing Receivable, before Allowance for Credit Loss and Fee	2,004	4,773
90 Days or More Past Due
Financing Receivable Investment Past Due [Line Items]
Financing Receivable, before Allowance for Credit Loss and Fee	368,736	551,169
90 Days or More Past Due \| 1-4 single family residential
Financing Receivable Investment Past Due [Line Items]
Financing Receivable, before Allowance for Credit Loss and Fee	14,439	14,984
Financing Receivable, Originated in Current Fiscal Year	0	2,589
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	6,127	2,158
Financing Receivable, Originated Two Years before Latest Fiscal Year	128	2,173
Financing Receivable, Originated Three Years before Latest Fiscal Year	2,050	360
Financing Receivable, Originated Four Years before Latest Fiscal Year	1,563	3,069
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	4,571	4,635
90 Days or More Past Due \| US Government Agency Insured Loans
Financing Receivable Investment Past Due [Line Items]
Financing Receivable, before Allowance for Credit Loss and Fee	313,727	492,602
90 Days or More Past Due \| Pinnacle Public Finance [Member]
Financing Receivable Investment Past Due [Line Items]
Financing Receivable, before Allowance for Credit Loss and Fee	0	0
90 Days or More Past Due \| Bridge - franchise finance
Financing Receivable Investment Past Due [Line Items]
Financing Receivable, before Allowance for Credit Loss and Fee	0	8,879
90 Days or More Past Due \| Bridge - equipment finance
Financing Receivable Investment Past Due [Line Items]
Financing Receivable, before Allowance for Credit Loss and Fee	0	0
90 Days or More Past Due \| Mortgage warehouse lending [Member]
Financing Receivable Investment Past Due [Line Items]
Financing Receivable, before Allowance for Credit Loss and Fee	0	0
90 Days or More Past Due \| Commercial and industrial Portfolio Segment
Financing Receivable Investment Past Due [Line Items]
Financing Receivable, before Allowance for Credit Loss and Fee	27,378	24,677
90 Days or More Past Due \| Commercial Real Estate Portfolio Segment [Member]
Financing Receivable Investment Past Due [Line Items]
Financing Receivable, before Allowance for Credit Loss and Fee	$ 13,192	$ 10,027

Loans and Allowance for Cred_11

Loans and Allowance for Credit Losses (Finance Receivable, Nonaccrual) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022	Dec. 31, 2022
Financing Receivable Investment Past Due [Line Items]
Loans and Leases Receivable, Nonperforming, Nonaccrual of Interest	$ 136,299		$ 136,299		$ 104,426
Recorded Investment, With no specific allowance recorded	54,353		54,353		24,221
Loans and Leases Receivable, Impaired, Interest Lost on Nonaccrual Loans	2,200	$ 2,100	5,600	$ 5,200
Commercial Real Estate Portfolio Segment [Member]
Financing Receivable Investment Past Due [Line Items]
Loans and Leases Receivable, Nonperforming, Nonaccrual of Interest	16,987		16,987		22,352
Recorded Investment, With no specific allowance recorded	2,004		2,004		6,911
Residential Portfolio Segment [Member]
Financing Receivable Investment Past Due [Line Items]
Loans and Leases Receivable, Nonperforming, Nonaccrual of Interest	20,707		20,707		21,311
Recorded Investment, With no specific allowance recorded	0		0		0
Bridge - franchise finance
Financing Receivable Investment Past Due [Line Items]
Loans and Leases Receivable, Nonperforming, Nonaccrual of Interest	17,893		17,893		13,290
Recorded Investment, With no specific allowance recorded	10,314		10,314		1,668
Commercial and industrial Portfolio Segment
Financing Receivable Investment Past Due [Line Items]
Loans and Leases Receivable, Nonperforming, Nonaccrual of Interest	80,712		80,712		47,473
Recorded Investment, With no specific allowance recorded	$ 42,035		$ 42,035		$ 15,642

Loans and Allowance for Cred_12

Loans and Allowance for Credit Losses (Schedule of Collateral Dependent Loans) (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Financing Receivable, Impaired [Line Items]
Financing Receivable, before Allowance for Credit Loss	$ 81,877	$ 58,065
Commercial Real Estate Portfolio Segment [Member]
Financing Receivable, Impaired [Line Items]
Financing Receivable, before Allowance for Credit Loss	14,662	19,486
Secured Debt
Financing Receivable, Impaired [Line Items]
Financing Receivable, before Allowance for Credit Loss	66,058	48,156
Commercial Real Estate \| Commercial Real Estate Portfolio Segment [Member]
Financing Receivable, Impaired [Line Items]
Financing Receivable, before Allowance for Credit Loss	14,662	18,353
Residential Portfolio Segment [Member]
Financing Receivable, Impaired [Line Items]
Financing Receivable, before Allowance for Credit Loss	0	730
Residential Portfolio Segment [Member] \| Residential Real Estate
Financing Receivable, Impaired [Line Items]
Financing Receivable, before Allowance for Credit Loss	0	730
Bridge - franchise finance
Financing Receivable, Impaired [Line Items]
Financing Receivable, before Allowance for Credit Loss	17,673	11,445
Bridge - franchise finance \| Equipment
Financing Receivable, Impaired [Line Items]
Financing Receivable, before Allowance for Credit Loss	11,395	3,729
Commercial Portfolio Segment [Member]
Financing Receivable, Impaired [Line Items]
Financing Receivable, before Allowance for Credit Loss	81,877	57,335
Commercial Portfolio Segment [Member] \| Commercial Real Estate
Financing Receivable, Impaired [Line Items]
Financing Receivable, before Allowance for Credit Loss	66,058	47,426
Commercial and industrial Portfolio Segment
Financing Receivable, Impaired [Line Items]
Financing Receivable, before Allowance for Credit Loss	49,542	26,404
Commercial and industrial Portfolio Segment \| Commercial Real Estate
Financing Receivable, Impaired [Line Items]
Financing Receivable, before Allowance for Credit Loss	$ 40,001	$ 25,344

Loans and Allowance for Cred_13

Loans and Allowance for Credit Losses Loans and Allowance for Credit Losses (Schedule of Troubled Debt Restructurings) (Details) $ in Thousands	3 Months Ended	9 Months Ended
	Sep. 30, 2022 USD ($)	Sep. 30, 2022 USD ($)
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Number of Contracts	568	2,126
Financing Receivable, Troubled Debt Restructuring, Postmodification	$ 99,522	$ 381,274
Financing Receivable, Troubled Debt Restructuring, Subsequent Default, Number of Contracts	735	830
Financing Receivable, Troubled Debt Restructuring, Modified, Subsequent Default	$ 121,144	$ 135,983
1-4 single family residential
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Number of Contracts	1	10
Financing Receivable, Troubled Debt Restructuring, Postmodification	$ 96	$ 5,385
Financing Receivable, Troubled Debt Restructuring, Subsequent Default, Number of Contracts	0	0
Financing Receivable, Troubled Debt Restructuring, Modified, Subsequent Default	$ 0	$ 0
US Government Agency Insured Loans
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Number of Contracts	559	2,094
Financing Receivable, Troubled Debt Restructuring, Postmodification	$ 85,200	$ 327,635
Financing Receivable, Troubled Debt Restructuring, Subsequent Default, Number of Contracts	730	825
Financing Receivable, Troubled Debt Restructuring, Modified, Subsequent Default	$ 113,330	$ 128,169
Bridge - franchise finance
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Number of Contracts	4	4
Financing Receivable, Troubled Debt Restructuring, Postmodification	$ 6,615	$ 6,615
Financing Receivable, Troubled Debt Restructuring, Subsequent Default, Number of Contracts	4	4
Financing Receivable, Troubled Debt Restructuring, Modified, Subsequent Default	$ 6,615	$ 6,615
Commercial and industrial Portfolio Segment
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modifications, Number of Contracts	4	18
Financing Receivable, Troubled Debt Restructuring, Postmodification	$ 7,611	$ 41,639
Financing Receivable, Troubled Debt Restructuring, Subsequent Default, Number of Contracts	1	1
Financing Receivable, Troubled Debt Restructuring, Modified, Subsequent Default	$ 1,199	$ 1,199

Loans and Allowance for Cred_14

Loans and Allowance for Credit Losses Loans and Allowance for Credit Losses (Schedule of Loan Modifications) (Details) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023 USD ($)	Sep. 30, 2022	Sep. 30, 2023 USD ($)	Sep. 30, 2022
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Troubled Debt Restructuring, Postmodification	$ 40,957		$ 88,190
Amortized cost basis	88,190		88,190
Financing Receivable, Modifications, Number of Contracts		568		2,126
Current
Financing Receivable, Allowance for Credit Loss [Line Items]
Amortized cost basis	49,433		49,433
30 - 59 Days Past Due
Financing Receivable, Allowance for Credit Loss [Line Items]
Amortized cost basis	14,045		14,045
60 - 89 Days Past Due
Financing Receivable, Allowance for Credit Loss [Line Items]
Amortized cost basis	8,465		8,465
90 Days or More Past Due
Financing Receivable, Allowance for Credit Loss [Line Items]
Amortized cost basis	16,247		16,247
1-4 single family residential
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Troubled Debt Restructuring, Postmodification			759
Amortized cost basis	759		759
Financing Receivable, Modifications, Number of Contracts		1		10
1-4 single family residential \| Current
Financing Receivable, Allowance for Credit Loss [Line Items]
Amortized cost basis	0		0
1-4 single family residential \| 30 - 59 Days Past Due
Financing Receivable, Allowance for Credit Loss [Line Items]
Amortized cost basis	759		759
1-4 single family residential \| 60 - 89 Days Past Due
Financing Receivable, Allowance for Credit Loss [Line Items]
Amortized cost basis	0		0
1-4 single family residential \| 90 Days or More Past Due
Financing Receivable, Allowance for Credit Loss [Line Items]
Amortized cost basis	0		0
US Government Agency Insured Loans
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Troubled Debt Restructuring, Postmodification	28,397		67,175
Amortized cost basis	67,175		67,175
Financing Receivable, Modifications, Number of Contracts		559		2,094
Financing Receivable, Troubled Debt Restructuring, Subsequent Default	15,247		29,398
US Government Agency Insured Loans \| Current
Financing Receivable, Allowance for Credit Loss [Line Items]
Amortized cost basis	29,177		29,177
US Government Agency Insured Loans \| 30 - 59 Days Past Due
Financing Receivable, Allowance for Credit Loss [Line Items]
Amortized cost basis	13,286		13,286
US Government Agency Insured Loans \| 60 - 89 Days Past Due
Financing Receivable, Allowance for Credit Loss [Line Items]
Amortized cost basis	8,465		8,465
US Government Agency Insured Loans \| 90 Days or More Past Due
Financing Receivable, Allowance for Credit Loss [Line Items]
Amortized cost basis	16,247		16,247
Commercial and industrial Portfolio Segment
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Troubled Debt Restructuring, Postmodification	1,475		5,786
Amortized cost basis	5,786		5,786
Financing Receivable, Modifications, Number of Contracts		4		18
Commercial and industrial Portfolio Segment \| Current
Financing Receivable, Allowance for Credit Loss [Line Items]
Amortized cost basis	5,786		5,786
Commercial and industrial Portfolio Segment \| 30 - 59 Days Past Due
Financing Receivable, Allowance for Credit Loss [Line Items]
Amortized cost basis	0		0
Commercial and industrial Portfolio Segment \| 60 - 89 Days Past Due
Financing Receivable, Allowance for Credit Loss [Line Items]
Amortized cost basis	0		0
Commercial and industrial Portfolio Segment \| 90 Days or More Past Due
Financing Receivable, Allowance for Credit Loss [Line Items]
Amortized cost basis	0		0
Bridge - franchise finance
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Troubled Debt Restructuring, Postmodification	11,085		14,470
Amortized cost basis	14,470		14,470
Financing Receivable, Modifications, Number of Contracts		4		4
Bridge - franchise finance \| Current
Financing Receivable, Allowance for Credit Loss [Line Items]
Amortized cost basis	14,470		14,470
Bridge - franchise finance \| 30 - 59 Days Past Due
Financing Receivable, Allowance for Credit Loss [Line Items]
Amortized cost basis	0		0
Bridge - franchise finance \| 60 - 89 Days Past Due
Financing Receivable, Allowance for Credit Loss [Line Items]
Amortized cost basis	0		0
Bridge - franchise finance \| 90 Days or More Past Due
Financing Receivable, Allowance for Credit Loss [Line Items]
Amortized cost basis	0		0
Interest Rate Reduction
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Troubled Debt Restructuring, Postmodification	0		865
Interest Rate Reduction \| 1-4 single family residential
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Troubled Debt Restructuring, Postmodification			$ 759
Percentage to total financing receivables			0%
Interest Rate Reduction \| 1-4 single family residential \| Maximum
Financing Receivable, Allowance for Credit Loss [Line Items]
Weighted average interest rate decrease from modification			3.80%
Interest Rate Reduction \| 1-4 single family residential \| Minimum
Financing Receivable, Allowance for Credit Loss [Line Items]
Weighted average interest rate decrease from modification			3.10%
Interest Rate Reduction \| US Government Agency Insured Loans
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Troubled Debt Restructuring, Postmodification	$ 0		$ 106
Percentage to total financing receivables	0%		0%
Financing Receivable, Troubled Debt Restructuring, Subsequent Default	$ 0		$ 106
Interest Rate Reduction \| Government Insured Residential \| Maximum
Financing Receivable, Allowance for Credit Loss [Line Items]
Weighted average interest rate decrease from modification			4.80%
Interest Rate Reduction \| Government Insured Residential \| Minimum
Financing Receivable, Allowance for Credit Loss [Line Items]
Weighted average interest rate decrease from modification			3.80%
Interest Rate Reduction \| Commercial and industrial Portfolio Segment
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Troubled Debt Restructuring, Postmodification	$ 0		$ 0
Percentage to total financing receivables	0%		0%
Interest Rate Reduction \| Bridge - franchise finance
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Troubled Debt Restructuring, Postmodification	$ 0		$ 0
Percentage to total financing receivables	0%		0%
Term Extension
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Troubled Debt Restructuring, Postmodification	$ 40,270		$ 84,776
Term Extension \| 1-4 single family residential
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Troubled Debt Restructuring, Postmodification			$ 0
Percentage to total financing receivables			0%
Term Extension \| US Government Agency Insured Loans
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Troubled Debt Restructuring, Postmodification	$ 27,710		$ 64,520
Percentage to total financing receivables	2%		5%
Financing Receivable, Troubled Debt Restructuring, Subsequent Default	$ 14,699		$ 28,432
Term Extension \| Government Insured Residential
Financing Receivable, Allowance for Credit Loss [Line Items]
Weighted average term increase from modifciation	9 years 2 months 12 days		8 years 4 months 24 days
Term Extension \| Commercial and industrial Portfolio Segment
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Troubled Debt Restructuring, Postmodification	$ 1,475		$ 5,786
Percentage to total financing receivables	0%		0%
Weighted average term increase from modifciation	6 months		7 months 6 days
Term Extension \| Bridge - franchise finance
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Troubled Debt Restructuring, Postmodification	$ 11,085		$ 14,470
Percentage to total financing receivables	6%		7%
Weighted average term increase from modifciation	2 years 1 month 6 days		1 year 9 months 18 days
Combination - Interest Rate Reduction and Term Extension
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Troubled Debt Restructuring, Postmodification	$ 687		$ 2,549
Combination - Interest Rate Reduction and Term Extension \| 1-4 single family residential
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Troubled Debt Restructuring, Postmodification			$ 0
Percentage to total financing receivables			0%
Combination - Interest Rate Reduction and Term Extension \| US Government Agency Insured Loans
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Troubled Debt Restructuring, Postmodification	$ 687		$ 2,549
Percentage to total financing receivables	0%		0%
Financing Receivable, Troubled Debt Restructuring, Subsequent Default	$ 548		$ 860
Combination - Interest Rate Reduction and Term Extension \| Government Insured Residential
Financing Receivable, Allowance for Credit Loss [Line Items]
Weighted average term increase from modifciation	12 years		7 years 9 months 18 days
Combination - Interest Rate Reduction and Term Extension \| Government Insured Residential \| Maximum
Financing Receivable, Allowance for Credit Loss [Line Items]
Weighted average interest rate decrease from modification	5.50%		5.70%
Combination - Interest Rate Reduction and Term Extension \| Government Insured Residential \| Minimum
Financing Receivable, Allowance for Credit Loss [Line Items]
Weighted average interest rate decrease from modification	4.20%		4.70%
Combination - Interest Rate Reduction and Term Extension \| Commercial and industrial Portfolio Segment
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Troubled Debt Restructuring, Postmodification	$ 0		$ 0
Percentage to total financing receivables	0%		0%
Combination - Interest Rate Reduction and Term Extension \| Bridge - franchise finance
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Troubled Debt Restructuring, Postmodification	$ 0		$ 0
Percentage to total financing receivables	0%		0%

Income Taxes Income Taxes (Narr

Income Taxes Income Taxes (Narrative) (Details)	3 Months Ended		9 Months Ended
Income Taxes Income Taxes (Narrative) (Details)	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Income Tax Examination [Line Items]
Effective Income Tax Rate Reconciliation, Percent	24.70%	25%	25.90%	24.70%
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent	21%

Derivatives and Hedging Activ_3

Derivatives and Hedging Activities (Schedule of Derivatives Designated as Hedging Instruments) (Details) - Designated as Hedging Instrument - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Derivative [Line Items]
Notional Amount	$ 3,140,000	$ 2,395,000
Asset	13,910	16,614
Liability	$ (5,494)	(1,717)
Interest rate collar \| Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate
Derivative [Line Items]
Weighted average fixed rate of interest rate derivatives (in Percent)	1.50%
Cash Flow Hedging \| Interest Rate Swap
Derivative [Line Items]
Notional Amount	$ 2,715,000	1,970,000
Asset	0	941
Liability	(4,899)	(1,514)
Cash Flow Hedging \| interest rate caps purchased, indexed to fed funds effective rate
Derivative [Line Items]
Notional Amount	200,000	200,000
Asset	13,910	15,673
Liability	0	0
Cash Flow Hedging \| Interest rate collar
Derivative [Line Items]
Notional Amount	125,000	125,000
Asset	0	0
Liability	$ (595)	(203)
Cash Flow Hedging \| Interest rate collar \| Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate
Derivative [Line Items]
Weighted average fixed rate of interest rate derivatives (in Percent)	5.58%
Cash Flow Hedging \| Interest Rate Floor \| Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate
Derivative [Line Items]
Weighted average fixed rate of interest rate derivatives (in Percent)	0%
Fair Value Hedging \| Pay-fixed interest rate swaps
Derivative [Line Items]
Notional Amount	$ 100,000	100,000
Asset	0	0
Liability	$ 0	$ 0

Derivatives and Hedging Activ_4

Derivatives and Hedging Activities Derivative and Hedging Activities - Amount of loss reclassified from AOCI into Income (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Reclassification Adjustment out of Accumulated Other Comprehensive Income on Derivatives [Line Items]
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net	$ 18,961	$ 382	$ 46,302	$ (9,208)
Interest expense on borrowings
Reclassification Adjustment out of Accumulated Other Comprehensive Income on Derivatives [Line Items]
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net	13,442	(590)	30,935	(9,003)
Interest expense on deposits
Reclassification Adjustment out of Accumulated Other Comprehensive Income on Derivatives [Line Items]
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net	6,300	972	17,162	(205)
Interest income on loans
Reclassification Adjustment out of Accumulated Other Comprehensive Income on Derivatives [Line Items]
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net	$ (781)	$ 0	$ (1,795)	$ 0

Derivatives and Hedging Activ_5

Derivatives and Hedging Activities Derivative and Hedging Activities - Carrying Value of Hedged Item and Cumulative Fair Value Adjustments (Details) $ in Thousands	Sep. 30, 2023 USD ($)
Derivative Instruments and Hedging Activities Disclosure [Abstract]
Hedged Liability, Fair Value Hedge	$ 100,000
Hedged Liability, Fair Value Hedge, Cumulative Increase (Decrease)	(2,701)
Closed Portfolio and Beneficial Interest, Last-of-Layer, Amortized Cost	$ 1,000,000

Derivatives and Hedging Activ_6

Derivatives and Hedging Activities (Schedule of Derivatives not Designated as Hedging Instruments) (Details) - Derivatives not designated as hedges - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Derivative [Line Items]
Notional Amount	$ 4,211,584	$ 3,919,278
Asset	130,604	72,125
Liability	(131,881)	(124,503)
Pay-fixed forward-starting interest rate swaps
Derivative [Line Items]
Notional Amount	2,040,182	1,916,719
Asset	127,488	67,942
Liability	(285)	(2,195)
Pay-variable interest rate swaps
Derivative [Line Items]
Notional Amount	2,040,182	1,916,719
Asset	284	2,195
Liability	(128,764)	(120,320)
Interest Rate Cap
Derivative [Line Items]
Notional Amount	65,610	42,920
Asset	2,832	1,988
Liability	0	0
Interest Rate Caps Sold
Derivative [Line Items]
Notional Amount	65,610	42,920
Asset	0	0
Liability	$ (2,832)	$ (1,988)

Derivatives and Hedging Activ_7

Derivatives and Hedging Activities (Interest Rate Swaps Subject to Master Netting Agreements) (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Derivative Instruments and Hedging Activities Disclosure [Abstract]
Gross Amounts Recognized, Derivative assets	$ 144,230	$ 86,544
Gross Amounts Recognized, Derivative liabilities	(5,779)	(3,912)
Gross Amounts Recognized, Derivative assets and liabilities	(138,451)	(82,632)
Gross Amounts Offset in Balance Sheet, Derivative assets	0	0
Gross Amounts Offset in Balance Sheet, Derivative liabilities	0	0
Gross Amounts Offset in Balance Sheet, Derivative assets and liabilities	0	0
Net Amounts Presented in Balance Sheet, Derivative assets	144,230	86,544
Net Amounts Presented in Balance Sheet, Derivative liabilities	(5,779)	(3,912)
Derivative Asset (Liability), Fair Value, Amount Not Offset Against Collateral	138,451	82,632
Gross Amounts Not Offset in Balance Sheet
Derivative Instruments, Derivative assets	(5,779)	(3,912)
Derivative Instruments, Derivative liabilities	5,779	3,912
Derivative Instruments, Derivative assets and liabilities	0	0
Collateral Pledged, Derivative assets	(138,264)	(79,447)
Collateral Pledged, Derivative liabilities	0	0
Collateral Pledged, Derivative assets and liabilities	(138,264)	(79,447)
Net Amount, Derivative assets	187	3,185
Net Amount, Derivative liabilities	0	0
Net Amount, Derivative assets and liabilities	$ 187	$ 3,185

Derivatives and Hedging Activ_8

Derivatives and Hedging Activities (Narrative) (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Derivative Instruments and Hedging Activities Disclosure [Abstract]
Amount expected to be reclassified from AOCI into income	$ (52,700)
Risk Participation, Derivative, Notional Amount	$ 354,000	$ 202,000

Stockholders' Equity (Changes i

Stockholders' Equity (Changes in Accumulated Other Comprehensive Income) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Unrealized gains (losses) on investment securities available for sale:
Net unrealized holding gain (loss) arising during the period, Before Tax	$ 44,397	$ 158,514	$ (32,050)	$ 635,446
Amounts reclassified to gain on investment securities available for sale, net, Before Tax	215	349	1,814	3,927
Net change in unrealized gains on securities available for sale, Before Tax	(44,612)	(158,863)	30,236	(639,373)
Net unrealized holding gain (loss) arising during the period, Tax Effect	(11,543)	(41,214)	8,333	(165,197)
Amounts reclassified to gain on investment securities available for sale, net, Tax Effect	56	91	472	1,021
Net change in unrealized gains on securities available for sale, Tax Effect	11,599	41,305	(7,861)	166,218
Net unrealized holding gain (loss) arising during the period, Net of Tax	(32,854)	(117,300)	23,717	(470,249)
Amounts reclassified to gain on investment securities available for sale, net, Net of Tax	(159)	(258)	(1,342)	(2,906)
Net change in unrealized gains (losses) on securities available for sale	(33,013)	(117,558)	22,375	(473,155)
Unrealized losses on derivative instruments:
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification and Tax	16,771	41,209	57,565	100,559
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification, before Tax	(2,190)	40,827	11,263	109,767
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification, Tax	(4,361)	(10,714)	(14,967)	(26,019)
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification, Tax	(569)	10,615	2,929	28,413
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification, after Tax	12,410	30,495	42,598	74,540
Reclassification adjustment for net (gains) losses realized in income	14,031	283	34,264	(6,814)
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification and Tax	(1,621)	30,212	8,334	81,354
Other comprehensive income (loss), Before Tax	(46,802)	(118,036)	41,499	(529,606)
Other comprehensive income (loss), Tax Effect	12,168	30,690	(10,790)	137,805
Other comprehensive income (loss)	(34,634)	(87,346)	30,709	(391,801)
Accumulated Other Comprehensive Income (Loss) [Line Items]
Net unrealized holding gain (loss) arising during the period, Before Tax	(44,397)	(158,514)	32,050	(635,446)
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, before Tax	215	349	1,814	3,927
Other Comprehensive Income (Loss), Securities, Available-for-sale, Adjustment, before Tax	(44,612)	(158,863)	30,236	(639,373)
Other Comprehensive Income (Loss), Securities, Available-for-Sale, Unrealized Holding Gain (Loss) Arising During Period, Tax	(11,543)	(41,214)	8,333	(165,197)
Amounts reclassified to gain on investment securities available for sale, net, Tax Effect	56	91	472	1,021
Other Comprehensive Income (Loss), Securities, Available-for-sale, Tax	(11,599)	(41,305)	7,861	(166,218)
Net unrealized holding gain (loss) arising during the period	(32,854)	(117,300)	23,717	(470,249)
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, Net of Tax	159	258	1,342	2,906
Other Comprehensive Income (Loss), Securities, Available-for-sale, Adjustment, after Tax	(33,013)	(117,558)	22,375	(473,155)
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification and Tax	16,771	41,209	57,565	100,559
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification, Tax	4,361	10,714	14,967	26,019
Net unrealized holding gains arising during the period	12,410	30,495	42,598	74,540
Reclassification adjustment for net (gains) losses realized in income	14,031	283	34,264	(6,814)
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification, before Tax	(2,190)	40,827	11,263	109,767
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification, Tax	(569)	10,615	2,929	28,413
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification and Tax	(1,621)	30,212	8,334	81,354
Other Comprehensive Income (Loss), before Tax	(46,802)	(118,036)	41,499	(529,606)
Other Comprehensive Income (Loss), Tax	(12,168)	(30,690)	10,790	(137,805)
Other Comprehensive Income (Loss), Net of Tax	(34,634)	(87,346)	30,709	(391,801)
Interest expense on deposits
Unrealized losses on derivative instruments:
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, before Tax	6,300	972	17,162	(205)
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, Tax	1,638	253	4,462	(53)
Reclassification adjustment for net (gains) losses realized in income	4,662	719	12,700	(152)
Accumulated Other Comprehensive Income (Loss) [Line Items]
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, before Tax	6,300	972	17,162	(205)
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, Tax	1,638	253	4,462	(53)
Reclassification adjustment for net (gains) losses realized in income	4,662	719	12,700	(152)
Interest expense on borrowings
Unrealized losses on derivative instruments:
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, before Tax	13,442	(590)	30,935	(9,003)
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, Tax	3,495	(154)	8,043	(2,341)
Reclassification adjustment for net (gains) losses realized in income	9,947	(436)	22,892	(6,662)
Accumulated Other Comprehensive Income (Loss) [Line Items]
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, before Tax	13,442	(590)	30,935	(9,003)
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, Tax	3,495	(154)	8,043	(2,341)
Reclassification adjustment for net (gains) losses realized in income	9,947	(436)	22,892	(6,662)
Interest income on loans
Unrealized losses on derivative instruments:
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, before Tax	(781)	0	(1,795)	0
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, Tax	(203)	0	(467)	0
Reclassification adjustment for net (gains) losses realized in income	(578)	0	(1,328)	0
Accumulated Other Comprehensive Income (Loss) [Line Items]
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, before Tax	(781)	0	(1,795)	0
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, Tax	(203)	0	(467)	0
Reclassification adjustment for net (gains) losses realized in income	(578)	0	(1,328)	0
Accumulated Gain (Loss), Net, Cash Flow Hedge, Parent [Member]
Unrealized losses on derivative instruments:
Other comprehensive income (loss)	(1,621)	30,212	8,334	81,354
Accumulated Other Comprehensive Income (Loss) [Line Items]
Other Comprehensive Income (Loss), Net of Tax	$ (1,621)	$ 30,212	$ 8,334	$ 81,354

Stockholders' Equity (Categorie

Stockholders' Equity (Categories of Other Comprehensive Income) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Other comprehensive income, Beginning Balance			$ (437,905)
Other comprehensive income (loss)	$ (34,634)	$ (87,346)	30,709	$ (391,801)
Other comprehensive income, Ending Balance	(407,196)		(407,196)
Unrealized Gains on Investment Securities Available for Sale
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Other comprehensive income, Beginning Balance	(443,523)	(352,738)	(498,911)	2,859
Other comprehensive income (loss)	(33,013)	(117,558)	22,375	(473,155)
Other comprehensive income, Ending Balance	(476,536)	(470,296)	(476,536)	(470,296)
Accumulated Gain (Loss), Net, Cash Flow Hedge, Parent [Member]
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Other comprehensive income, Beginning Balance	70,961	32,343	61,006	(18,799)
Other comprehensive income (loss)	(1,621)	30,212	8,334	81,354
Other comprehensive income, Ending Balance	69,340	62,555	69,340	62,555
Accumulated Other Comprehensive Loss
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Other comprehensive income, Beginning Balance	(372,562)	(320,395)	(437,905)	(15,940)
Other comprehensive income (loss)	(34,634)	(87,346)	30,709	(391,801)
Other comprehensive income, Ending Balance	$ (407,196)	$ (407,741)	$ (407,196)	$ (407,741)

Fair Value Measurements (Assets

Fair Value Measurements (Assets and Liabilities Measured at Fair Value on a Recurring Basis) (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Assets, Fair Value Disclosure	$ 9,020,998	$ 9,834,066
Financial and Nonfinancial Liabilities, Fair Value Disclosure	(137,375)	(126,220)
Derivative Financial Instruments, Liabilities [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Financial and Nonfinancial Liabilities, Fair Value Disclosure	(137,375)	(126,220)
U.S. Treasury securities
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Assets, Fair Value Disclosure	106,605	135,841
U.S. Government agency and sponsored enterprise residential MBS
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Assets, Fair Value Disclosure	1,932,458	1,983,168
U.S. Government agency and sponsored enterprise commercial MBS
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Assets, Fair Value Disclosure	491,840	525,094
Private label residential MBS and CMOs
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Assets, Fair Value Disclosure	2,290,325	2,530,663
Private label commercial MBS
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Assets, Fair Value Disclosure	2,256,329	2,524,354
Single family real estate-backed securities
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Assets, Fair Value Disclosure	393,464	470,441
Collateralized loan obligations
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Assets, Fair Value Disclosure	1,047,812	1,136,463
Non-mortgage asset-backed securities
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Assets, Fair Value Disclosure	104,344	95,976
State and municipal obligations
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Assets, Fair Value Disclosure	97,235	116,661
SBA securities
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Assets, Fair Value Disclosure	110,655	135,782
Marketable equity securities
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Assets, Fair Value Disclosure	45,417	90,884
Derivative Financial Instruments, Assets [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Assets, Fair Value Disclosure	144,514	88,739
Fair Value, Inputs, Level 1
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Assets, Fair Value Disclosure	152,022	226,725
Financial and Nonfinancial Liabilities, Fair Value Disclosure	0	0
Fair Value, Inputs, Level 1 \| Derivative Financial Instruments, Liabilities [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Financial and Nonfinancial Liabilities, Fair Value Disclosure	0	0
Fair Value, Inputs, Level 1 \| U.S. Treasury securities
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Assets, Fair Value Disclosure	106,605	135,841
Fair Value, Inputs, Level 1 \| U.S. Government agency and sponsored enterprise residential MBS
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Assets, Fair Value Disclosure	0	0
Fair Value, Inputs, Level 1 \| U.S. Government agency and sponsored enterprise commercial MBS
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Assets, Fair Value Disclosure	0	0
Fair Value, Inputs, Level 1 \| Private label residential MBS and CMOs
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Assets, Fair Value Disclosure	0	0
Fair Value, Inputs, Level 1 \| Private label commercial MBS
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Assets, Fair Value Disclosure	0	0
Fair Value, Inputs, Level 1 \| Single family real estate-backed securities
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Assets, Fair Value Disclosure	0	0
Fair Value, Inputs, Level 1 \| Collateralized loan obligations
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Assets, Fair Value Disclosure	0	0
Fair Value, Inputs, Level 1 \| Non-mortgage asset-backed securities
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Assets, Fair Value Disclosure	0	0
Fair Value, Inputs, Level 1 \| State and municipal obligations
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Assets, Fair Value Disclosure	0	0
Fair Value, Inputs, Level 1 \| SBA securities
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Assets, Fair Value Disclosure	0	0
Fair Value, Inputs, Level 1 \| Marketable equity securities
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Assets, Fair Value Disclosure	45,417	90,884
Fair Value, Inputs, Level 1 \| Derivative Financial Instruments, Assets [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Assets, Fair Value Disclosure	0	0
Fair Value, Inputs, Level 2
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Assets, Fair Value Disclosure	8,868,976	9,607,341
Financial and Nonfinancial Liabilities, Fair Value Disclosure	(137,375)	(126,220)
Fair Value, Inputs, Level 2 \| Derivative Financial Instruments, Liabilities [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Financial and Nonfinancial Liabilities, Fair Value Disclosure	(137,375)	(126,220)
Fair Value, Inputs, Level 2 \| U.S. Treasury securities
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Assets, Fair Value Disclosure	0	0
Fair Value, Inputs, Level 2 \| U.S. Government agency and sponsored enterprise residential MBS
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Assets, Fair Value Disclosure	1,932,458	1,983,168
Fair Value, Inputs, Level 2 \| U.S. Government agency and sponsored enterprise commercial MBS
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Assets, Fair Value Disclosure	491,840	525,094
Fair Value, Inputs, Level 2 \| Private label residential MBS and CMOs
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Assets, Fair Value Disclosure	2,290,325	2,530,663
Fair Value, Inputs, Level 2 \| Private label commercial MBS
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Assets, Fair Value Disclosure	2,256,329	2,524,354
Fair Value, Inputs, Level 2 \| Single family real estate-backed securities
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Assets, Fair Value Disclosure	393,464	470,441
Fair Value, Inputs, Level 2 \| Collateralized loan obligations
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Assets, Fair Value Disclosure	1,047,812	1,136,463
Fair Value, Inputs, Level 2 \| Non-mortgage asset-backed securities
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Assets, Fair Value Disclosure	104,344	95,976
Fair Value, Inputs, Level 2 \| State and municipal obligations
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Assets, Fair Value Disclosure	97,235	116,661
Fair Value, Inputs, Level 2 \| SBA securities
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Assets, Fair Value Disclosure	110,655	135,782
Fair Value, Inputs, Level 2 \| Marketable equity securities
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Assets, Fair Value Disclosure	0	0
Fair Value, Inputs, Level 2 \| Derivative Financial Instruments, Assets [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Assets, Fair Value Disclosure	$ 144,514	$ 88,739

Fair Value Measurements (Asse_2

Fair Value Measurements (Assets for which Nonrecurring Changes in Fair Value have been Recorded) (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Assets, Fair Value Disclosure	$ 9,020,998	$ 9,834,066
Fair Value, Inputs, Level 3
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Assets, Fair Value Disclosure	59,605	32,482
Impaired Loans [Member] \| Fair Value, Inputs, Level 3
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Assets, Fair Value Disclosure	59,576	31,789
OREO and Repossessed Assets [Member] \| Fair Value, Inputs, Level 3
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Assets, Fair Value Disclosure	$ 29	$ 693

Fair Value Measurements (Carryi

Fair Value Measurements (Carrying Value and Fair Value of Financial Instruments) (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Assets:
Investment securities	$ 8,886,350	$ 9,755,190
Non-marketable equity securities	312,159	294,172
Liabilities:
Time deposits	5,189,681	4,268,078
Federal funds purchased	0	190,000
Fair Value, Inputs, Level 1
Assets:
Cash and cash equivalents	391,885	572,647
Fair Value, Inputs, Level 2
Assets:
Non-marketable equity securities	312,159	294,172
Derivative assets	144,514	88,739
Liabilities:
Demand, savings and money market deposits	20,922,985	23,241,256
Time deposits	5,132,900	4,231,167
Federal funds purchased	0	190,000
FHLB advances	5,164,688	5,419,588
Notes and other borrowings	642,941	698,359
Derivative liabilities	137,375	126,220
Fair Value, Inputs, Level 3
Assets:
Loans, net	22,606,322	23,342,950
Carrying Value
Assets:
Cash and cash equivalents	391,885	572,647
Investment securities	8,886,484	9,755,327
Non-marketable equity securities	312,159	294,172
Loans, net	24,160,213	24,738,042
Derivative assets	144,514	88,739
Liabilities:
Demand, savings and money market deposits	20,922,985	23,241,256
Time deposits	5,189,681	4,268,078
Federal funds purchased	0	190,000
FHLB advances	5,165,000	5,420,000
Notes and other borrowings	715,197	720,923
Derivative liabilities	$ 137,375	$ 126,220

Commitments and Contingencies C

Commitments and Contingencies Commitments (Details) $ in Thousands	Sep. 30, 2023 USD ($)
Lending related commitments [Line Items]
Unused Commitments to Extend Credit	$ 5,469,274
Commitments to fund loans
Lending related commitments [Line Items]
Unused Commitments to Extend Credit	324,957
Unfunded commitments under lines of credit
Lending related commitments [Line Items]
Unused Commitments to Extend Credit	4,996,007
Commercial and standby letters of credit
Lending related commitments [Line Items]
Unused Commitments to Extend Credit	$ 148,310

Deposits (Summary of Average Ba

Deposits (Summary of Average Balances and Weighted Average Rates Paid on Deposits) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Demand deposits:
Non-interest bearing, average balance	$ 6,937,537	$ 8,749,794	$ 7,152,362	$ 9,071,135
Non-interest bearing, average rate (in Percent)	0%	0%	0%	0%
Interest bearing, average balance	$ 3,038,870	$ 2,306,906	$ 2,728,287	$ 2,658,558
Interest-bearing, average rate (in Percent)	3.33%	0.71%	2.68%	0.36%
Savings and Money Market, average balance	$ 10,205,765	$ 13,001,566	$ 10,844,838	$ 13,150,357
Weighted Average Rate Domestic Deposit Savings and Money Market	3.81%	1.22%	3.43%	0.64%
Time, average balance	$ 5,420,522	$ 3,255,869	$ 5,150,486	$ 3,129,247
Weighted Average Rate Domestic Deposit, Time Deposits	3.92%	1.13%	3.49%	0.67%
Deposits, average balance	$ 25,602,694	$ 27,314,135	$ 25,875,973	$ 28,009,297
Weighted Average Rate Domestic Deposits	2.74%	0.78%	2.41%	0.41%

Deposits (Schedule of Maturitie

Deposits (Schedule of Maturities of Time Deposits) (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Maturities of Time Deposits [Abstract]
Time Deposit Maturities, Next Twelve Months	$ 1,827,279
Time Deposit Maturities, Year Two	2,890,024
Time Deposit Maturities, Year Three	148,612
Time Deposit Maturities, Year Four	323,052
Time Deposit Maturities, after Year Five	547
Time Deposit Maturities, after Year Five	167
Time	$ 5,189,681	$ 4,268,078

Deposits (Schedule of Interest

Deposits (Schedule of Interest Expense on Deposits) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Deposits [Abstract]
Interest Expense, Demand Deposit Accounts	$ 25,491	$ 4,104	$ 54,781	$ 7,215
Interest Expense, Money Market and Savings Deposits	97,956	39,838	278,243	62,704
Interest Expense, Time Deposits	53,527	9,264	134,448	15,650
Interest Expense, Domestic Deposits	$ 176,974	$ 53,206	$ 467,472	$ 85,569

Deposits (Narrative) (Details)

Deposits (Narrative) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
Deposits (Narrative) (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022	Dec. 31, 2022
Deposits [Abstract]
Time deposit accounts with balances of $250,000 or more	$ 893,000		$ 893,000		$ 730,000
Noninterest Expense Commission Expense	$ 11,100	$ 4,300	$ 29,000	$ 8,100