First Foundation (FFWM) 10-Q 9 May 23 2023 Q1 Quarterly report Financial data

Document And Entity Information

Document And Entity Information - shares	3 Months Ended
	Mar. 31, 2023	May 01, 2023
Cover [Abstract]
Document Type	10-Q
Document Quarterly Report	true
Document Period End Date	Mar. 31, 2023
Document Transition Report	false
Entity File Number	001-36461
Entity Registrant Name	FIRST FOUNDATION INC.
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	20-8639702
Entity Address, Address Line One	200 Crescent Court
Entity Address, Address Line Two	Suite 1400
Entity Address, City or Town	Dallas
Entity Address, State or Province	TX
Entity Address, Postal Zip Code	75201
City Area Code	469
Local Phone Number	638-9636
Title of 12(b) Security	Common Stock
Trading Symbol	FFWM
Security Exchange Name	NASDAQ
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Large Accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Common Stock, Shares Outstanding		56,424,276
Amendment Flag	false
Document Fiscal Year Focus	2023
Current Fiscal Year End Date	--12-31
Document Fiscal Period Focus	Q1
Entity Central Index Key	0001413837

CONSOLIDATED BALANCE SHEETS

CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
ASSETS
Cash and cash equivalents	$ 1,317,129	$ 656,494
Securities available-for-sale ("AFS")	223,612	237,597
Securities held-to-maturity ("HTM")	847,036	862,544
Allowance for credit losses - investments	(12,288)	(11,439)
Net securities	1,058,360	1,088,702
Loans held for investment	10,669,803	10,726,193
Allowance for credit losses - loans	(31,095)	(33,731)
Net loans	10,638,708	10,692,462
Investment in FHLB stock	58,716	25,358
Deferred taxes	22,763	24,198
Premises and equipment, net	37,530	36,140
Real estate owned ("REO")	6,210	6,210
Goodwill and intangibles	221,401	221,835
Other assets	255,367	262,780
Total Assets	13,616,184	13,014,179
Liabilities:
Deposits	10,051,706	10,362,612
Borrowings	2,294,600	1,369,936
Accounts payable and other liabilities	136,140	147,253
Total Liabilities	12,482,446	11,879,801
Shareholders' Equity
Common Stock	56	56
Additional paid-in-capital	719,261	719,606
Retained earnings	428,956	426,659
Accumulated other comprehensive (loss) income	(14,535)	(11,943)
Total Shareholders' Equity	1,133,738	1,134,378
Total Liabilities and Shareholders' Equity	$ 13,616,184	$ 13,014,179

CONSOLIDATED INCOME STATEMENTS

CONSOLIDATED INCOME STATEMENTS - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Interest income:
Loans	$ 120,643	$ 72,027
Securities	6,891	6,360
FHLB Stock, fed funds sold and interest-bearing deposits	9,466	757
Total interest income	137,000	79,144
Interest expense:
Deposits	62,140	3,358
Borrowings	16,105	1,292
Total interest expense	78,245	4,650
Net interest income	58,755	74,494
Provision for credit losses	417	(792)
Net interest income after provision for credit losses	58,338	75,286
Noninterest income:
Asset management, consulting and other fees	$ 8,796	$ 10,197
Type of Revenue [Extensible List]	us-gaap:InvestmentAdvisoryManagementAndAdministrativeServiceMember	us-gaap:InvestmentAdvisoryManagementAndAdministrativeServiceMember
Other income	$ 2,902	$ 5,230
Total noninterest income	11,698	15,427
Noninterest expense:
Compensation and benefits	25,286	29,821
Occupancy and depreciation	8,897	8,567
Professional services and marketing costs	4,295	3,417
Customer service costs	16,715	1,788
Other expenses	4,147	4,025
Total noninterest expense	59,340	47,618
Income before taxes on income	10,696	43,095
Taxes on income	2,200	12,259
Net income	$ 8,496	$ 30,836
Net income per share:
Basic	$ 0.15	$ 0.55
Diluted	$ 0.15	$ 0.55
Shares used in computation:
Basic	56,376,669	56,465,855
Diluted	56,410,416	56,565,845

CONSOLIDATED STATEMENT OF CHANG

CONSOLIDATED STATEMENT OF CHANGES IN SHAREHOLDERS' EQUITY - USD ($) $ in Thousands	Common Stock	Additional Paid-in-Capital	Retained Earnings	Accumulated Other Comprehensive Income (Loss)	Total
Beginning balance at Dec. 31, 2021	$ 56	$ 720,744	$ 340,976	$ 2,275	$ 1,064,051
Beginning balance (in shares) at Dec. 31, 2021	56,432,070
Net income			30,836		30,836
Other comprehensive loss				(6,207)	(6,207)
Stock based compensation		1,204			1,204
Cash dividend			(6,208)		(6,208)
Exercise of options		18			18
Exercise of options (in shares)	2,000
Stock grants - vesting of restricted stock units	$ 1				1
Stock grants - vesting of restricted stock units (in shares)	122,700
Repurchase of shares from restricted shares vesting		(1,120)			(1,120)
Repurchase of shares from restricted shares vesting (in shares)	(42,602)
Ending balance at Mar. 31, 2022	$ 57	720,846	365,604	(3,932)	1,082,575
Ending balance (in shares) at Mar. 31, 2022	56,514,168
Beginning balance at Dec. 31, 2022	$ 56	719,606	426,659	(11,943)	1,134,378
Beginning balance (in shares) at Dec. 31, 2022	56,325,242
Net income			8,496		8,496
Other comprehensive loss				(2,592)	(2,592)
Stock based compensation		32			32
Cash dividend			(6,199)		(6,199)
Exercise of options		157			157
Exercise of options (in shares)	19,500
Stock grants - vesting of restricted stock units (in shares)	114,592
Repurchase of shares from restricted shares vesting		(534)			(534)
Repurchase of shares from restricted shares vesting (in shares)	(35,058)
Ending balance at Mar. 31, 2023	$ 56	$ 719,261	$ 428,956	$ (14,535)	$ 1,133,738
Ending balance (in shares) at Mar. 31, 2023	56,424,276

CONSOLIDATED STATEMENTS OF COMP

CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME
Net income	$ 8,496	$ 30,836
Other comprehensive income (loss):
Unrealized holding gains (losses) on securities arising during the period	(4,535)	(7,731)
Other comprehensive income (loss) before tax	(4,535)	(7,731)
Income tax benefit (expense) related to items of other comprehensive income	1,943	1,524
Other comprehensive income (loss)	(2,592)	(6,207)
Total comprehensive income	$ 5,904	$ 24,629

CONSOLIDATED STATEMENTS OF CASH

CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	3 Months Ended		12 Months Ended
	Mar. 31, 2023	Mar. 31, 2022	Dec. 31, 2022
Cash Flows from Operating Activities:
Net income	$ 8,496	$ 30,836
Adjustments to reconcile net income to net cash provided by operating activities:
Reversal of provision for credit losses - loans	(432)	(1,136)
Provision for credit losses - securities AFS	849	344
Stock-based compensation expense	32	1,204
Depreciation and amortization	1,104	974
Deferred tax expense	2,761	3,431
Amortization of premium (discount) on securities	(173)	(351)
Amortization of core deposit intangible	434	509
Amortization of mortgage servicing rights - net	599	549
Amortization of OCI - securities transfer to HTM	616
Valuation allowance on mortgage servicing rights - net	(672)	(201)
Decrease in other assets	7,657	5,318
Decrease in accounts payable and other liabilities	(11,792)	(1,138)
Net cash provided by operating activities	9,479	40,339
Cash Flows from Investing Activities:
Net (increase) decrease in loans	54,387	(490,869)
Purchase of premises and equipment	(2,494)	(1,222)
Disposals of premises and equipment		3,375
Recovery of allowance for credit losses	306	134
Purchases of securities AFS		(400)
Purchases of securities HTM		(83,008)
Maturities of securities AFS	9,184	7,965
Maturities of securities HTM	15,948	79,660
Sale (purchase) of FHLB and FRB stock, net	(33,358)	999
Net cash provided by (used in) investing activities	43,973	(483,366)
Cash Flows from Financing Activities:
Increase (decrease) in deposits	(310,906)	145,558
Net increase in FHLB & other advances	995,000
Line of credit net change - borrowings, net		(18,500)
Net increase in subordinated debt	15	147,592
Net decrease in repurchase agreements	(70,351)	(13,250)
Gain on sale leaseback		(1,111)
Dividends paid	(6,199)	(6,208)
Proceeds from exercise of stock options	158	19
Repurchase of stock	(534)	(1,120)
Net cash provided by financing activities	607,183	252,980
Increase (decrease) in cash and cash equivalents	660,635	(190,047)
Cash and cash equivalents at beginning of year	656,494	1,121,757	$ 1,121,757
Cash and cash equivalents at end of period	1,317,129	931,710	656,494
Supplemental disclosures of cash flow information:
Interest	65,720	3,893
Noncash transactions:
Transfer of securities from available-for-sale to held-to-maturity		916,777
Goodwill acquisition adjustment		1,623
Right of use lease assets and liabilities recognized	172
Chargeoffs against allowance for credit losses	$ 2,003	$ 145	$ 720

SUMMARY OF SIGNIFICANT ACCOUNTI

SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES	3 Months Ended
	Mar. 31, 2023
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES	NOTE 1: SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES Nature of Operations and Principles of Consolidation First Foundation Inc. (“FFI”) is a financial services holding company whose operations are conducted through its wholly owned subsidiaries: First Foundation Advisors (“FFA”) and First Foundation Bank (“FFB” or the “Bank”) and the wholly owned subsidiaries of FFB, First Foundation Public Finance (“FFPF”), First Foundation Insurance Services (“FFIS”) and Blue Moon Management, LLC (collectively the “Company”). FFI also has two inactive wholly owned subsidiaries, First Foundation Consulting and First Foundation Advisors, LLC. In addition, FFA has set up a limited liability company, which is not included in these consolidated financial statements, as a private investment fund to provide an investment vehicle for its clients. FFI is incorporated in the state of Delaware. The corporate headquarters for FFI is located in Dallas, Texas. The Company provides a comprehensive platform of financial services to individuals, businesses and other organizations and has offices in California, Nevada, Florida, Texas, and Hawaii. The consolidated financial statements have been prepared in conformity with accounting principles generally accepted in the United States of America (“GAAP”) and prevailing practices within the banking industry. In preparing the consolidated financial statements, management is required to make estimates and assumptions that affect the reported amounts of assets and liabilities as of the date of the balance sheet and revenues and expenses for the period. Actual results could differ significantly from those estimates. The accompanying unaudited consolidated financial statements include the accounts of the Company as of March 31, 2023 and December 31, 2022, and for the three months ended March 31, 2023 and 2022, and include all information and footnotes required for interim financial reporting presentation. All intercompany accounts and transactions have been eliminated in consolidation. The results for the 2023 interim periods are not necessarily indicative of the results expected for the full year. These financial statements assume that readers have read the most recent Annual Report on Form 10-K filed with the SEC which contains the latest available audited consolidated financial statements and notes thereto as of and for the year ended December 31, 2022. Significant Accounting Policies The accounting and reporting policies of the Company are based upon GAAP and conform to predominant practices within the banking industry. We have not made any changes in our significant accounting policies from those disclosed in our Annual Report on Form 10-K for the year ended December 31, 2022. New Accounting Pronouncements On January 1, 2023, the Company adopted ASU 2022-02, “ Financial Instruments – Credit Losses (Topic 326), Troubled Debt Restructurings (“TDRs”) and Vintage Disclosures” Subtopic 310-40, Receivables – Troubled Debt Restructurings by Creditors Financial Instruments – Credit Losses on Financial Instruments In March 2020, the Financial Accounting Standards Board (“FASB”) issued ASU 2020-04, “ Reference Rate Reform (Topic 848), Facilitation of the Effects of Reference Rate Reform on Financial Reporting” reform if certain criteria are met. The amendments in this ASU apply only to contracts, hedging relationships, and other transactions that reference LIBOR or another reference rate expected to be discontinued because of reference rate reform. The amendments in this ASU are effective as of March 12, 2020 through December 31, 2022. The Company has permanently ceased originating any new loans or entering into any transaction that would increase its LIBOR-based exposure. For all new variable-rate loans and transactions, the Company primarily offers Prime and SOFR as the variable-rate index. For all LIBOR-based loans and transactions that mature after December 31, 2022, the Company has implemented procedures to identify and amend such loans and transactions to convert the base rate of the contract to a Prime or SOFR-based rate. The Company will also continue to assess impacts to its operations, financial models, data and technology as part of its transition plan. The Company does not expect the impact of this transition to have a material impact on its consolidated financial statements.

FAIR VALUE MEASUREMENTS

FAIR VALUE MEASUREMENTS	3 Months Ended
	Mar. 31, 2023
FAIR VALUE MEASUREMENTS
FAIR VALUE MEASUREMENTS	NOTE 2: FAIR VALUE MEASUREMENTS Assets Measured at Fair Value on a Recurring Basis Fair value is the exchange price that would be received for an asset or paid to transfer a liability (exit price) in the principal or most advantageous market for the asset or liability in an orderly transaction between market participants on the measurement date. Current accounting guidance establishes a fair value hierarchy, which requires an entity to maximize the use of observable inputs and minimize the use of unobservable inputs when measuring fair value. There are three levels of inputs that may be used to measure fair values: Level 1: Quoted prices (unadjusted) for identical assets or liabilities in active markets that the entity has the ability to access as of the measurement date. Level 2: Significant other observable inputs other than Level 1 prices such as quoted prices for similar assets or liabilities; quoted prices in markets that are not active; or other inputs that are observable or can be corroborated by observable market data. Level 3: Significant unobservable inputs that reflect the Company’s own assumptions about the assumptions that market participants would use in pricing an asset or liability. ​ The following tables show the recorded amounts of assets and liabilities measured at fair value on a recurring basis as of: ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Fair Value Measurement Level (dollars in thousands) ​ Total ​ Level 1 ​ Level 2 ​ Level 3 March 31, 2023: ​ ​ ​ ​ Investment securities available for sale: ​ ​ ​ ​ Collateralized mortgage obligations ​ $ 8,511 ​ $ — ​ $ 8,511 ​ $ — Agency mortgage-backed securities ​ 7,157 ​ — ​ 7,157 ​ — Municipal bonds ​ 47,520 ​ — ​ 47,520 ​ — SBA securities ​ ​ 16,819 ​ ​ — ​ ​ 16,819 ​ ​ — Beneficial interests in FHLMC securitization ​ ​ 6,830 ​ ​ — ​ ​ — ​ ​ 6,830 Corporate bonds ​ 123,243 ​ — ​ 123,243 ​ — U.S. Treasury ​ ​ 1,244 ​ ​ 1,244 ​ ​ — ​ ​ — Investment in equity securities ​ 9,758 ​ — ​ — ​ 9,758 Total assets at fair value on a recurring basis ​ $ 221,082 ​ $ 1,244 ​ $ 203,250 ​ $ 16,588 ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ December 31, 2022: ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Investment securities available for sale: ​ ​ ​ ​ Collateralized mortgage obligations ​ $ 8,615 ​ $ — ​ $ 8,615 ​ $ — Agency mortgage-backed securities ​ ​ 7,576 ​ ​ — ​ ​ 7,576 ​ ​ — Municipal bonds ​ 46,790 ​ — ​ 46,790 ​ — SBA securities ​ 18,955 ​ — ​ 18,955 ​ — Beneficial interests in FHLMC securitization ​ 7,981 ​ — ​ — ​ 7,981 Corporate bonds ​ ​ 135,013 ​ ​ — ​ ​ 135,013 ​ ​ — U.S. Treasury ​ 1,228 ​ 1,228 ​ — ​ — Investment in equity securities ​ 9,767 ​ — ​ — ​ 9,767 Total assets at fair value on a recurring basis ​ $ 235,925 ​ $ 1,228 ​ $ 216,949 ​ $ 17,748 ​ The decrease in Level 3 assets from December 31, 2022 was primarily due to $0.3 million in securitization paydowns and $0.8 million in provisions for credit losses in the first three months of 2023. Assets Measured at Fair Value on a Nonrecurring Basis From time to time, we may be required to measure other assets at fair value on a nonrecurring basis. These nonrecurring fair value adjustments typically involve application of lower of cost or market accounting or write-downs of individual assets. Loans December 31, 2022, respectively. There were no specific reserves related to these loans at March 31, 2023 and December 31, 2022. Real Estate Owned Mortgage Servicing Rights. Fair Value of Financial Instruments FASB ASC 825-10, “Disclosures about Fair Value of Financial Instruments” requires disclosure of the fair value information about financial instruments, whether or not recognized in the balance sheet, for which it is practicable to estimate such value. The methodologies for estimating the fair value of financial assets and financial liabilities measured at fair value on a recurring and non-recurring basis are discussed above. The estimated fair value amounts have been determined by management using available market information and appropriate valuation methodologies and are based on the exit price notion set forth by ASU 2016-01. In cases where quoted market prices are not available, fair values are based on estimates using present value or other market value techniques. Those techniques are significantly affected by the assumptions used, including the discount rate and estimates of future cash flows. In that regard, the derived fair value estimates cannot be substantiated by comparison to independent markets and, in many cases, could not be realized in immediate settlement of the instrument. The aggregate fair value amounts presented below do not represent the underlying value of the Company. Fair value estimates are made at a discrete point in time based on relevant market information and other information about the financial instruments. Because no active market exists for a significant portion of our financial instruments, fair value estimates are based in large part on judgments we make primarily regarding current economic conditions, risk characteristics of various financial instruments, prepayment rates, and future expected loss experience. These estimates are subjective in nature and invariably involve some inherent uncertainties. Additionally, unexpected changes in events or circumstances can occur that could require us to make changes to our assumptions and which, in turn, could significantly affect and require us to make changes to our previous estimates of fair value. In addition, the fair value estimates are based on existing on and off-balance sheet financial instruments without attempting to estimate the value of existing and anticipated future customer relationships and the value of assets and liabilities that are not considered financial instruments, such as premises and equipment and other real estate owned. The following methods and assumptions were used to estimate the fair value of financial instruments: Cash and Cash Equivalents Interest-Bearing Deposits with Financial Institutions. Investment Securities Available for Sale values are measured using independent pricing models or other model-based valuation techniques such as the present value of future cash flows, adjusted for the security’s credit rating, prepayment assumptions and other factors such as credit loss assumptions. When a market is illiquid or there is a lack of transparency around the inputs to valuation, the securities are classified as Level 3 and reliance is placed upon external third party models, and management judgment and evaluation for valuation. Level 1 investment securities include those traded on an active exchange, such as the New York Stock Exchange, U.S. Treasury securities that are traded by dealers or brokers in active over-the-counter markets and money market funds. Level 2 investment securities include mortgage-backed securities issued by government sponsored entities, municipal bonds and corporate debt securities. Investment securities classified as Level 3 include beneficial interests in FHLMC securitizations. Significant assumptions in the valuation of these Level 3 securities as of March 31, 2023 and December 31, 2022 included prepayment rates ranging from 35% to 34% and discount rates ranging from 8.92% to 10.0%. Investment in Equity Securities. Investment in Federal Home Loan Bank Stock. Loans Held for Investment Deposits Borrowings The carrying amounts and estimated fair values of financial instruments are as follows as of: ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Carrying ​ Fair Value Measurement Level (dollars in thousands) ​ Value ​ 1 ​ 2 ​ 3 ​ Total March 31, 2023: ​ ​ ​ ​ ​ Assets: ​ ​ ​ ​ ​ Cash and cash equivalents ​ $ 1,317,129 ​ $ 1,317,129 ​ $ — ​ $ — ​ $ 1,317,129 Securities AFS, net ​ 211,324 ​ 1,244 ​ 203,250 ​ 6,830 ​ 211,324 Securities HTM ​ ​ 847,036 ​ ​ — ​ ​ 766,907 ​ ​ — ​ ​ 766,907 Loans, net ​ 10,638,708 ​ — ​ — ​ 10,302,070 ​ 10,302,070 Investment in FHLB stock ​ 58,716 ​ — ​ 58,716 ​ — ​ 58,716 Investment in equity securities ​ 9,758 ​ — ​ — ​ 9,758 ​ 9,758 Liabilities: ​ ​ ​ ​ ​ Deposits ​ $ 10,051,706 ​ $ 7,625,291 ​ $ 2,409,187 ​ $ — ​ $ 10,034,478 Borrowings ​ 2,294,600 ​ 2,020,000 ​ — ​ 153,121 ​ 2,173,121 ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ December 31, 2022: ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Assets: ​ ​ ​ ​ ​ Cash and cash equivalents ​ $ 656,494 ​ $ 656,494 ​ $ — ​ $ — ​ $ 656,494 Securities AFS, net ​ 226,158 ​ 1,228 ​ 216,949 ​ 7,981 ​ 226,158 Securities HTM ​ ​ 862,544 ​ ​ ​ ​ ​ 773,061 ​ ​ ​ ​ ​ 773,061 Loans, net ​ 10,692,462 ​ — ​ — ​ 10,354,052 ​ 10,354,052 Investment in FHLB stock ​ 25,358 ​ — ​ 25,358 ​ — ​ 25,358 Investment in equity securities ​ 9,767 ​ — ​ — ​ 9,767 ​ 9,767 Liabilities: ​ ​ ​ ​ ​ ​ Deposits ​ $ 10,362,612 ​ $ 8,483,770 ​ $ 1,865,502 ​ $ — ​ $ 10,349,272 Borrowings ​ 1,369,936 ​ 1,176,601 ​ — ​ 153,121 ​ 1,329,722 ​

SECURITIES

SECURITIES	3 Months Ended
	Mar. 31, 2023
SECURITIES
SECURITIES	NOTE 3: SECURITIES The following table provides a summary of the Company’s securities AFS portfolio as of: ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Amortized ​ Gross Unrealized ​ Allowance for ​ Estimated (dollars in thousands) ​ Cost ​ Gains ​ Losses ​ Credit Losses ​ Fair Value March 31, 2023: ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Collateralized mortgage obligations ​ $ 9,585 ​ $ — ​ $ (1,074) ​ $ — ​ $ 8,511 Agency mortgage-backed securities ​ ​ 7,627 ​ ​ — ​ ​ (470) ​ ​ — ​ ​ 7,157 Municipal bonds ​ ​ 50,093 ​ ​ 1 ​ ​ (2,574) ​ ​ — ​ ​ 47,520 SBA securities ​ ​ 16,947 ​ ​ 2 ​ ​ (130) ​ ​ — ​ ​ 16,819 Beneficial interests in FHLMC securitization ​ 19,113 ​ ​ 110 ​ ​ (105) ​ ​ (11,315) ​ 7,803 Corporate bonds ​ 138,972 ​ ​ — ​ ​ (15,729) ​ ​ (973) ​ 122,270 U.S. Treasury ​ 1,298 ​ ​ 3 ​ ​ (57) ​ ​ — ​ 1,244 Total ​ $ 243,635 ​ $ 116 ​ $ (20,139) ​ $ (12,288) ​ $ 211,324 ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ December 31, 2022: ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Collateralized mortgage obligations ​ $ 9,865 ​ $ — ​ $ (1,250) ​ $ — ​ $ 8,615 Agency mortgage-backed securities ​ ​ 8,161 ​ ​ — ​ ​ (585) ​ ​ — ​ ​ 7,576 Municipal bonds ​ ​ 50,232 ​ ​ — ​ ​ (3,442) ​ ​ — ​ ​ 46,790 SBA securities ​ ​ 19,090 ​ ​ 3 ​ ​ (138) ​ ​ — ​ ​ 18,955 Beneficial interests in FHLMC securitization ​ 19,415 ​ 108 ​ (103) ​ (11,439) ​ 7,981 Corporate bonds ​ 145,024 ​ — ​ (10,011) ​ — ​ 135,013 U.S. Treasury ​ 1,298 ​ 1 ​ (71) ​ — ​ 1,228 Total ​ $ 253,085 ​ $ 112 ​ $ (15,600) ​ $ (11,439) ​ $ 226,158 ​ As of March 31, 2023, U.S. Treasury securities of $1.2 million included in the table above are pledged as collateral to the States of California and Florida to meet regulatory requirements related to the Bank’s trust operations, $231.9 million of agency mortgage-backed securities are pledged as collateral as support for the Bank’s obligations under loan sales and securitizations agreements entered into from 2018 and 2021. A total of $184.2 million in securities consisting of SBA securities, collateralized mortgage obligations, agency mortgage-backed securities, and municipal bonds are pledged as collateral for repurchase agreements. A total of $841.6 million in agency mortgage-backed securities, corporate bonds, and loans are pledged as collateral to the Federal Reserve’s discount window from which the Bank may borrow. The following table provides a summary of the Company’s securities HTM portfolio as of: ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Amortized ​ Gross Unrecognized ​ Allowance for ​ Estimated (dollars in thousands) ​ Cost ​ Gains ​ Losses ​ Credit Losses ​ Fair Value March 31, 2023: ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Agency mortgage-backed securities ​ $ 847,036 ​ $ — ​ $ (80,129) ​ $ — ​ $ 766,907 Total ​ $ 847,036 ​ $ — ​ $ (80,129) ​ $ — ​ $ 766,907 ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ December 31, 2022: ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Agency mortgage-backed securities ​ $ 862,544 ​ $ — ​ $ (89,483) ​ $ — ​ $ 773,061 Total ​ $ 862,544 ​ $ — ​ $ (89,483) ​ $ — ​ $ 773,061 ​ In 2022, the Company transferred $917 million in securities AFS to securities HTM. The securities were transferred at their amortized cost basis, net of any remaining unrealized gain or loss reported in accumulated other comprehensive income. The related unrealized gain (or loss) of $0.6 million included in other comprehensive income remained in other comprehensive income to be amortized, with an offsetting entry to interest income as a yield adjustment through earnings over the remaining term of the securities. Subsequent to transfer, the ACL on these securities was evaluated under the accounting policy for securities HTM. The securities HTM portfolio consists solely of agency-backed MBS securities in which the Company has reason to believe the credit loss exposure is remote, as these securities are guaranteed by a U.S. government sponsored entity (“GSE”). As such, the ACL related to the securities HTM portfolio was zero at March 31, 2023 and December 31, 2022, respectively. We monitor the credit quality of the securities in the investment portfolios by evaluating various quantitative attributes. The credit quality indicators the Company monitors include, but are not limited to, credit ratings of individual securities and the credit rating of government sponsored enterprises that guarantee the securities. Credit ratings express opinions about the credit quality of a security. Securities rated investment grade, that is, those with ratings similar to BBB-/Baa3 or above, as defined by NRSROs, are generally considered by the rating agencies and market participants to be low credit risk. As of March 31, 2023, all of the Company’s securities were either investment grade or were issued by a U.S. government agency or a U.S. government sponsored enterprise with an investment grade rating. The tables below indicate the gross unrealized losses and fair values of our securities AFS portfolio, aggregated by investment category and length of time that the individual securities have been in a continuous unrealized loss position. ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Securities with Unrealized Loss at March 31, 2023 ​ ​ Less than 12 months ​ 12 months or more ​ Total ​ ​ Fair ​ Unrealized ​ Fair ​ Unrealized ​ Fair ​ Unrealized (dollars in thousands) Value Loss Value Loss Value Loss Collateralized mortgage obligations ​ $ — ​ $ — ​ $ 8,511 ​ $ (1,074) ​ $ 8,511 ​ $ (1,074) Agency mortgage-backed securities ​ ​ 1,407 ​ ​ (50) ​ ​ 5,750 ​ ​ (420) ​ ​ 7,157 ​ ​ (470) Municipal bonds ​ ​ 1,796 ​ ​ (15) ​ ​ 42,108 ​ ​ (2,559) ​ ​ 43,904 ​ ​ (2,574) SBA securities ​ ​ 14,823 ​ ​ (122) ​ ​ 912 ​ ​ (8) ​ ​ 15,735 ​ ​ (130) Beneficial interests in FHLMC securitization ​ ​ 4,224 ​ ​ (105) ​ ​ — ​ ​ — ​ ​ 4,224 ​ ​ (105) Corporate bonds ​ ​ 52,772 ​ ​ (1,228) ​ ​ 70,472 ​ ​ (14,501) ​ ​ 123,244 ​ ​ (15,729) U.S. Treasury ​ ​ — ​ ​ — ​ ​ 841 ​ ​ (57) ​ ​ 841 ​ ​ (57) Total temporarily impaired securities ​ $ 75,022 ​ $ (1,520) ​ $ 128,594 ​ $ (18,619) ​ $ 203,616 ​ $ (20,139) ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Securities with Unrealized Loss at December 31, 2022 ​ ​ Less than 12 months ​ 12 months or more ​ Total ​ ​ Fair ​ Unrealized ​ Fair ​ Unrealized ​ Fair ​ Unrealized (dollars in thousands) Value Loss Value Loss Value Loss Collateralized mortgage obligations $ 2 $ — $ 8,613 $ (1,250) $ 8,615 $ (1,250) Agency mortgage-backed securities ​ ​ 6,882 ​ ​ (525) ​ ​ 696 ​ ​ (60) ​ ​ 7,578 ​ ​ (585) Municipal bonds ​ ​ 44,971 ​ ​ (3,244) ​ ​ 1,819 ​ ​ (198) ​ ​ 46,790 ​ ​ (3,442) SBA securities ​ ​ 17,237 ​ ​ (137) ​ ​ 121 ​ ​ (1) ​ ​ 17,358 ​ ​ (138) Beneficial interests in FHLMC securitization ​ ​ 4,217 ​ ​ (103) ​ ​ — ​ ​ — ​ ​ 4,217 ​ ​ (103) Corporate bonds ​ ​ 108,056 ​ ​ (6,476) ​ ​ 26,957 ​ ​ (3,535) ​ ​ 135,013 ​ ​ (10,011) U.S. Treasury ​ 376 ​ (23) ​ 451 ​ (48) ​ 827 ​ (71) Total temporarily impaired securities ​ $ 181,741 ​ $ (10,508) ​ $ 38,657 ​ $ (5,092) ​ $ 220,398 ​ $ (15,600) ​ Unrealized losses in agency mortgage backed securities, beneficial interests in FHLMC securitizations, and other securities have not been recognized into income because the issuer bonds are of high credit quality, management does not intend to sell, it is not more likely than not that management would be required to sell the securities prior to their anticipated recovery, and the decline in fair value is largely due to changes in discount rates and assumptions regarding future interest rates. The fair value is expected to recover as the bonds approach maturity. The tables below indicate the gross unrecognized losses and fair values of our securities HTM portfolio, aggregated by investment category and length of time that the individual securities have been in a continuous unrecognized loss position. ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Securities with Unrecognized Loss at March 31, 2023 ​ ​ Less than 12 months ​ 12 months or more ​ Total ​ ​ Fair ​ Unrecognized ​ Fair ​ Unrecognized ​ Fair ​ Unrecognized (dollars in thousands) Value Loss Value Loss Value Loss Agency mortgage-backed securities ​ $ 76,301 ​ $ (6,768) ​ $ 690,606 ​ $ (73,361) ​ $ 766,907 ​ $ (80,129) Total temporarily impaired securities ​ $ 76,301 ​ $ (6,768) ​ $ 690,606 ​ $ (73,361) ​ $ 766,907 ​ $ (80,129) ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Securities with Unrecognized Loss at December 31, 2022 ​ ​ Less than 12 months ​ 12 months or more ​ Total ​ ​ Fair ​ Unrecognized ​ Fair ​ Unrecognized ​ Fair ​ Unrecognized (dollars in thousands) Value Loss Value Loss Value Loss Agency mortgage-backed securities ​ $ 394,619 ​ $ (37,418) ​ $ 378,442 ​ $ (52,065) ​ $ 773,061 ​ $ (89,483) Total temporarily impaired securities ​ $ 394,619 ​ $ (37,418) ​ $ 378,442 ​ $ (52,065) ​ $ 773,061 ​ $ (89,483) ​ The following is a rollforward of the Bank’s allowance for credit losses related to investments for the following periods: ​ ​ ​ ​ ​ (dollars in thousands) ​ ​ Total ​ ​ ​ ​ Three Months Ended March 31, 2023: ​ ​ ​ Beginning balance $ 11,439 Provision for credit losses ​ 849 Balance: March 31, 2023 $ 12,288 ​ ​ ​ ​ Three Months Ended March 31, 2022: ​ ​ ​ Beginning balance $ 10,399 Provision for credit losses ​ 344 Balance: March 31, 2022 $ 10,743 ​ Provision for credit losses of $0.8 million and $0.3 million were recorded on the consolidated income statements for the three month periods ended March 31, 2023 and 2022, respectively. The ACL on investment securities is determined for both held-to-maturity and available-for-sale classifications of the investment portfolio in accordance with ASC 326, and is evaluated on a quarterly basis. The ACL for held-to-maturity investment securities is determined on a collective basis, based on shared risk characteristics, and is determined at the individual security level when the Company deems a security to no longer possess shared risk characteristics. Under ASC 326-20, for investment securities where the Company has reason to believe the credit loss exposure is remote, such as those guaranteed by the U.S. government or government sponsored entities, a zero loss expectation is applied and a company is not required to estimate and recognize an ACL. For securities AFS in an unrealized loss position, the Company first evaluates whether it intends to sell, or whether it is more likely than not that it will be required to sell the security before recovery of its amortized cost basis. If either of these criteria regarding intent or requirement to sell is met, the security amortized cost basis is written down to fair value through income. If neither criteria is met, the Company is required to assess whether the decline in fair value has resulted from credit losses or noncredit-related factors. In determining whether a security’s decline in fair value is credit related, the Company considers a number of factors including, but not limited to: (i) the extent to which the fair value of the investment is less than its amortized cost; (ii) the financial condition and near-term prospects of the issuer; (iii) downgrades in credit ratings; (iv) payment structure of the security, and (v) the ability of the issuer of the security to make scheduled principal and interest payments. If, after considering these factors, the present value of expected cash flows to be collected is less than the amortized cost basis, a credit loss exists, and an allowance for credit loss is recorded through income as a component of provision for credit loss expense. If the assessment indicates that a credit loss does not exist, the Company records the decline in fair value through other comprehensive income, net of related income tax effects. The Company has made the election to exclude accrued interest receivable on securities from the estimate of credit losses and report accrued interest separately on the consolidated balance sheets. Changes in the allowance for credit losses are recorded as provision for (or reversal of) credit loss expense. Losses are charged against the allowance when management believes the uncollectibility of a security is confirmed or when either of the criteria regarding intent or requirement to sell is met. In March 2023, the Company engaged with an independent third party to perform an analysis of expected credit losses for its municipal and corporate bond securities in order to supplement our own internal review. The analysis concluded and the Company concurred that seven corporate bond securities were impacted by credit loss totaling $973 thousand, which was recorded against the allowance. The scheduled maturities of securities AFS and the related weighted average yields were as follows for the periods indicated: ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Less than 1 Through 5 Through After ​ ​ (dollars in thousands) ​ 1 Year ​ 5 years ​ 10 Years ​ 10 Years ​ Total March 31, 2023 ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Amortized Cost: ​ ​ ​ ​ ​ ​ Collateralized mortgage obligations ​ $ — ​ $ — ​ $ 569 ​ $ 9,016 ​ $ 9,585 ​ Agency mortgage-backed securities ​ ​ — ​ ​ 5,969 ​ ​ — ​ ​ 1,658 ​ ​ 7,627 ​ Municipal bonds ​ ​ 300 ​ ​ 9,280 ​ ​ 35,064 ​ ​ 5,449 ​ ​ 50,093 ​ SBA securities ​ ​ 5 ​ ​ 1,101 ​ ​ 1,108 ​ ​ 14,733 ​ ​ 16,947 ​ Beneficial interests in FHLMC securitization ​ ​ — ​ ​ 9,537 ​ ​ — ​ ​ 9,576 ​ ​ 19,113 ​ Corporate bonds ​ ​ — ​ ​ 28,985 ​ ​ 104,456 ​ ​ 5,531 ​ ​ 138,972 ​ U.S. Treasury ​ — ​ ​ 1,298 ​ ​ — ​ ​ — ​ 1,298 ​ Total ​ $ 305 ​ $ 56,170 ​ $ 141,197 ​ $ 45,963 ​ $ 243,635 ​ Weighted average yield ​ 0.29 % 4.11 % 3.43 % 4.17 % 3.72 % Estimated Fair Value: ​ ​ ​ ​ ​ ​ Collateralized mortgage obligations ​ $ — ​ $ — ​ $ 521 ​ $ 7,990 ​ $ 8,511 ​ Agency mortgage-backed securities ​ ​ — ​ ​ 5,665 ​ ​ — ​ ​ 1,492 ​ ​ 7,157 ​ Municipal bonds ​ ​ 300 ​ ​ 8,944 ​ ​ 33,682 ​ ​ 4,594 ​ ​ 47,520 ​ SBA securities ​ ​ 5 ​ ​ 1,094 ​ ​ 1,103 ​ ​ 14,617 ​ ​ 16,819 ​ Beneficial interests in FHLMC securitization ​ ​ — ​ ​ 9,537 ​ ​ — ​ ​ 9,581 ​ ​ 19,118 ​ Corporate bonds ​ ​ — ​ ​ 27,970 ​ ​ 90,758 ​ ​ 4,515 ​ ​ 123,243 ​ U.S. Treasury ​ — ​ ​ 1,244 ​ ​ — ​ ​ — ​ 1,244 ​ Total ​ $ 305 ​ $ 54,454 ​ $ 126,064 ​ $ 42,789 ​ $ 223,612 ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Less than 1 Through 5 Through After ​ ​ (dollars in thousands) ​ 1 Year ​ 5 years ​ 10 Years ​ 10 Years ​ Total December 31, 2022 ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Amortized Cost: ​ ​ ​ ​ ​ ​ Collateralized mortgage obligations ​ $ — ​ $ — ​ $ 686 ​ $ 9,179 ​ $ 9,865 ​ Agency mortgage-backed securities ​ ​ — ​ ​ 4,384 ​ ​ 2,107 ​ ​ 1,670 ​ ​ 8,161 ​ Municipal bonds ​ ​ 301 ​ ​ 8,002 ​ ​ 34,501 ​ ​ 7,428 ​ ​ 50,232 ​ SBA securities ​ ​ 14 ​ ​ 1,402 ​ ​ 1,278 ​ ​ 16,396 ​ ​ 19,090 ​ Beneficial interests in FHLMC securitization ​ ​ — ​ ​ 9,860 ​ ​ — ​ ​ 9,555 ​ ​ 19,415 ​ Corporate bonds ​ ​ 6,006 ​ ​ 28,993 ​ ​ 104,494 ​ ​ 5,531 ​ ​ 145,024 ​ U.S. Treasury ​ — ​ 1,298 ​ — ​ — ​ 1,298 ​ Total ​ $ 6,321 ​ $ 53,939 ​ $ 143,066 ​ $ 49,759 ​ $ 253,085 ​ Weighted average yield ​ 4.36 % 3.96 % 3.38 % 1.91 % 3.24 % Estimated Fair Value: ​ ​ ​ ​ ​ ​ Collateralized mortgage obligations ​ $ — ​ $ — ​ $ 623 ​ $ 7,992 ​ $ 8,615 ​ Agency mortgage-backed securities ​ ​ — ​ ​ 4,133 ​ ​ 1,960 ​ ​ 1,483 ​ ​ 7,576 ​ Municipal bonds ​ ​ 299 ​ ​ 7,565 ​ ​ 32,690 ​ ​ 6,236 ​ ​ 46,790 ​ SBA securities ​ ​ 14 ​ ​ 1,395 ​ ​ 1,272 ​ ​ 16,274 ​ ​ 18,955 ​ Beneficial interests in FHLMC securitization ​ ​ — ​ ​ 9,860 ​ ​ — ​ ​ 9,560 ​ ​ 19,420 ​ Corporate bonds ​ ​ 6,001 ​ ​ 28,022 ​ ​ 96,734 ​ ​ 4,256 ​ ​ 135,013 ​ U.S. Treasury ​ — ​ 1,228 ​ — ​ — ​ 1,228 ​ Total ​ $ 6,314 ​ $ 52,203 ​ $ 133,279 ​ $ 45,801 ​ $ 237,597 ​ ​ ​ The scheduled maturities of securities HTM and the related weighted average yields were as follows for the periods indicated: ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Less than 1 Through 5 Through After ​ ​ (dollars in thousands) ​ 1 Year ​ 5 years ​ 10 Years ​ 10 Years ​ Total March 31, 2023 ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Amortized Cost: ​ ​ ​ ​ ​ ​ Agency mortgage-backed securities ​ $ — ​ $ 574 ​ $ 18,925 ​ $ 827,537 ​ $ 847,036 ​ Total ​ $ — ​ $ 574 ​ $ 18,925 ​ $ 827,537 ​ $ 847,036 ​ Weighted average yield ​ — % 0.60 % 1.22 % 2.47 % ​ 2.44 % ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Estimated Fair Value: ​ ​ ​ ​ ​ ​ Agency mortgage-backed securities ​ $ — ​ $ 537 ​ $ 17,451 ​ $ 748,919 ​ $ 766,907 ​ Total ​ $ — ​ $ 537 ​ $ 17,451 ​ $ 748,919 ​ $ 766,907 ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Less than 1 Through 5 Through After ​ ​ (dollars in thousands) ​ 1 Year ​ 5 years ​ 10 Years ​ 10 Years ​ Total December 31, 2022 ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Amortized Cost: ​ ​ ​ ​ ​ ​ Agency mortgage-backed securities ​ $ — ​ $ 208 ​ $ 17,689 ​ $ 844,647 ​ $ 862,544 ​ Total ​ $ — ​ $ 208 ​ $ 17,689 ​ $ 844,647 ​ $ 862,544 ​ Weighted average yield ​ — % 0.36 % 1.12 % 2.31 % ​ 2.28 % ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Estimated Fair Value: ​ ​ ​ ​ ​ ​ Agency mortgage-backed securities ​ $ — ​ $ 192 ​ $ 16,148 ​ $ 756,721 ​ $ 773,061 ​ Total ​ $ — ​ $ 192 ​ $ 16,148 ​ $ 756,721 ​ $ 773,061 ​ ​

LOANS

LOANS	3 Months Ended
	Mar. 31, 2023
LOANS
LOANS	NOTE 4: LOANS The following is a summary of our loans as of: ​ ​ ​ ​ ​ ​ ​ ​ ​ March 31, ​ December 31, (dollars in thousands) 2023 2022 Outstanding principal balance: ​ ​ ​ ​ Loans secured by real estate: ​ ​ Residential properties: ​ ​ Multifamily ​ $ 5,332,815 ​ $ 5,341,596 Single family ​ 1,008,657 ​ 1,016,498 Total real estate loans secured by residential properties ​ 6,341,472 ​ 6,358,094 Commercial properties ​ 1,155,624 ​ 1,203,292 Land and construction ​ 166,166 ​ 158,565 Total real estate loans ​ 7,663,262 ​ 7,719,951 Commercial and industrial loans ​ 2,985,984 ​ 2,984,748 Consumer loans ​ 3,862 ​ 4,481 Total loans ​ 10,653,108 ​ 10,709,180 Premiums, discounts and deferred fees and expenses ​ 16,695 ​ 17,013 Total ​ $ 10,669,803 ​ $ 10,726,193 ​ The following table summarizes our delinquent and nonaccrual loans as of: ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Past Due and Still Accruing ​ ​ ​ ​ Total Past ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ 90 Days ​ ​ ​ ​ Due and ​ ​ ​ ​ ​ ​ (dollars in thousands) 30–59 Days 60-89 Days or More Nonaccrual Nonaccrual Current Total March 31, 2023: ​ ​ ​ ​ ​ ​ ​ Real estate loans: ​ ​ ​ ​ ​ ​ ​ Residential properties ​ $ 20,272 ​ $ — ​ $ — ​ $ 2,518 ​ $ 22,790 ​ $ 6,338,021 ​ $ 6,360,811 Commercial properties ​ 5,561 ​ — ​ 217 ​ 3,969 ​ 9,747 ​ 1,144,772 ​ 1,154,519 Land and construction ​ 521 ​ 6,835 ​ — ​ — ​ 7,356 ​ 157,860 ​ 165,216 Commercial and industrial loans ​ 1,200 ​ 233 ​ 2,227 ​ 4,694 ​ 8,354 ​ 2,977,013 ​ 2,985,367 Consumer loans ​ 10 ​ — ​ — ​ — ​ 10 ​ 3,880 ​ 3,890 Total ​ $ 27,564 ​ $ 7,068 ​ $ 2,444 ​ $ 11,181 ​ $ 48,257 ​ $ 10,621,546 ​ $ 10,669,803 ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Percentage of total loans ​ 0.26 % 0.07 % 0.02 % 0.10 % 0.45 % ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ December 31, 2022: ​ ​ ​ ​ ​ ​ ​ Real estate loans: ​ ​ ​ ​ ​ ​ ​ Residential properties ​ $ 511 ​ $ 57 ​ $ — ​ $ 2,556 ​ $ 3,124 ​ $ 6,374,100 ​ $ 6,377,224 Commercial properties ​ 15,000 ​ 946 ​ 1,213 ​ 4,547 ​ 21,706 ​ 1,180,357 ​ 1,202,063 Land and construction ​ — ​ — ​ — ​ — ​ — ​ 157,630 ​ 157,630 Commercial and industrial loans ​ 385 ​ 1,495 ​ 982 ​ 3,228 ​ 6,090 ​ 2,978,668 ​ 2,984,758 Consumer loans ​ — ​ 167 ​ — ​ — ​ 167 ​ 4,351 ​ 4,518 Total ​ $ 15,896 ​ $ 2,665 ​ $ 2,195 ​ $ 10,331 ​ $ 31,087 ​ $ 10,695,106 ​ $ 10,726,193 Percentage of total loans ​ 0.15 % 0.02 % 0.02 % 0.10 % 0.29 % ​ ​ The following table summarizes our nonaccrual loans as of: ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Nonaccrual ​ Nonaccrual ​ ​ with Allowance ​ with no Allowance (dollars in thousands) for Credit Losses for Credit Losses March 31, 2023: ​ ​ ​ Real estate loans: ​ ​ ​ ​ ​ ​ Residential properties ​ $ — ​ $ 2,518 Commercial properties ​ ​ — ​ ​ 3,969 Commercial and industrial loans ​ 3,672 ​ 1,022 Total ​ $ 3,672 ​ $ 7,509 ​ ​ ​ ​ ​ ​ ​ December 31, 2022: ​ ​ ​ Real estate loans: ​ ​ ​ ​ ​ ​ Residential properties ​ $ — ​ $ 2,556 Commercial properties ​ ​ — ​ ​ 4,547 Commercial and industrial loans ​ 2,016 ​ 1,212 Total ​ $ 2,016 ​ $ 8,315 ​ The Company adopted ASU 2022-02, Financial Instruments-Credit Losses (Topic 326): Troubled Debt Restructurings and Vintage Disclosures Based on the guidance in ASU 2022-02, a loan modification or refinancing results in a new loan if the terms of the new loan are at least as favorable to the lender as the terms with customers with similar collection risks that are not refinancing or restructuring their loans and the modification to the terms of the loan are more than minor. If a loan modification or refinancing does not result in a new loan, it is classified as a loan modification. There are additional disclosures for modification of loans with borrowers experiencing financial difficulty that result in a direct change in the timing or amount of contractual cash flows. The disclosures are applicable to situations where there is interest rate reduction, term extensions, principal forgiveness, other-than-insignificant payment delays, or a combination of any of these items. The Company had no loan modifications to borrowers experiencing financial difficulties in the first quarter of 2023 and there were no modifications to borrowers experiencing financial difficulties that were outstanding at March 31, 2023. FASB has provided transition guidance to assist with the implementation of ASU 2022-02. Per this guidance, FASB expects that for comparative periods presented before adoption, current TDR disclosures should continue to be provided. As such, the following table presents the loans classified as TDRs by accrual and nonaccrual status as of the comparative period ended December 31, 2022: ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ December 31, 2022 (dollars in thousands) Accrual Nonaccrual Total Residential loans ​ $ — ​ $ — ​ $ — Commercial real estate loans ​ 929 ​ 1,066 ​ 1,995 Commercial and industrial loans ​ 166 ​ 1,412 ​ 1,578 Total ​ $ 1,095 ​ $ 2,478 ​ $ 3,573 ​

ALLOWANCE FOR CREDIT LOSSES

ALLOWANCE FOR CREDIT LOSSES	3 Months Ended
	Mar. 31, 2023
ALLOWANCE FOR CREDIT LOSSES
ALLOWANCE FOR CREDIT LOSSES	NOTE 5: ALLOWANCE FOR CREDIT LOSSES The following is a rollforward of the allowance for credit losses related to loans for the following periods: ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Provision for ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Beginning (Reduction of) ​ ​ ​ Ending (dollars in thousands) ​ Balance ​ Credit Losses ​ Charge-offs ​ Recoveries ​ Balance Three Months Ended March 31, 2023: ​ ​ ​ ​ ​ ​ Real estate loans: ​ ​ ​ ​ ​ ​ Residential properties ​ $ 8,306 ​ $ (43) ​ $ — ​ $ — ​ $ 8,263 Commercial properties ​ 8,714 ​ (2,732) ​ (249) ​ — ​ 5,733 Land and construction ​ 164 ​ 152 ​ — ​ — ​ 316 Commercial and industrial loans ​ 16,521 ​ 1,685 ​ (1,752) ​ 306 ​ 16,760 Consumer loans ​ 26 ​ (1) ​ (2) ​ — ​ 23 Total ​ $ 33,731 ​ $ (939) ​ $ (2,003) ​ $ 306 ​ $ 31,095 ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Three Months Ended March 31, 2022: ​ ​ ​ ​ ​ Real estate loans: ​ ​ ​ ​ ​ Residential properties ​ $ 2,637 ​ $ 561 ​ $ — ​ $ — ​ $ 3,198 Commercial properties ​ 17,049 ​ (1,413) ​ — ​ — ​ 15,636 Land and construction ​ 1,995 ​ (227) ​ — ​ — ​ 1,768 Commercial and industrial loans ​ 11,992 ​ 149 ​ (145) ​ 134 ​ 12,130 Consumer loans ​ 103 ​ (13) ​ — ​ — ​ 90 Total ​ $ 33,776 ​ $ (943) ​ $ (145) ​ $ 134 ​ $ 32,822 ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Year Ended December 31, 2022: ​ ​ ​ ​ ​ Real estate loans: ​ ​ ​ ​ ​ Residential properties ​ $ 2,637 ​ $ 5,674 ​ $ (5) ​ $ — ​ $ 8,306 Commercial properties ​ 17,049 ​ (8,335) ​ — ​ — ​ 8,714 Land and construction ​ 1,995 ​ (1,831) ​ — ​ — ​ 164 Commercial and industrial loans ​ 11,992 ​ 4,804 ​ (711) ​ 436 ​ 16,521 Consumer loans ​ 103 ​ (73) ​ (4) ​ — ​ 26 Total ​ $ 33,776 ​ $ 239 ​ $ (720) ​ $ 436 ​ $ 33,731 ​ ​ ​ ​ ​ The following table presents the balance in the allowance for credit losses and the recorded investment in loans by impairment method as of: ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Allowance for Credit Losses ​ ​ ​ Loans Evaluated ​ ​ ​ ​ (dollars in thousands) Individually Collectively Total March 31, 2023: ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Allowance for credit losses: ​ ​ ​ Real estate loans: ​ ​ ​ Residential properties ​ $ 62 ​ $ 8,201 ​ $ 8,263 ​ Commercial properties ​ 1,044 ​ 4,689 ​ 5,733 ​ Land and construction ​ — ​ 316 ​ 316 ​ Commercial and industrial loans ​ 1,144 ​ 15,616 ​ 16,760 ​ Consumer loans ​ — ​ 23 ​ 23 ​ Total ​ $ 2,250 ​ $ 28,845 ​ $ 31,095 ​ Loans: ​ ​ ​ ​ Real estate loans: ​ ​ ​ ​ Residential properties ​ $ 3,428 ​ $ 6,357,383 ​ $ 6,360,811 ​ Commercial properties ​ 28,197 ​ 1,126,322 ​ 1,154,519 ​ Land and construction ​ — ​ 165,216 ​ 165,216 ​ Commercial and industrial loans ​ 5,875 ​ 2,979,492 ​ 2,985,367 ​ Consumer loans ​ — ​ 3,890 ​ 3,890 ​ Total ​ $ 37,500 ​ $ 10,632,303 ​ $ 10,669,803 ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ December 31, 2022: ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Allowance for credit losses: ​ ​ ​ ​ Real estate loans: ​ ​ ​ ​ Residential properties ​ $ 87 ​ $ 8,219 ​ $ 8,306 ​ Commercial properties ​ 1,834 ​ 6,880 ​ 8,714 ​ Land and construction ​ — ​ 164 ​ 164 ​ Commercial and industrial loans ​ 3,122 ​ 13,399 ​ 16,521 ​ Consumer loans ​ — ​ 26 ​ 26 ​ Total ​ $ 5,043 ​ $ 28,688 ​ $ 33,731 ​ Loans: ​ ​ ​ ​ Real estate loans: ​ ​ ​ ​ Residential properties ​ $ 3,479 ​ $ 6,373,745 ​ $ 6,377,224 ​ Commercial properties ​ 34,278 ​ 1,167,785 ​ 1,202,063 ​ Land and construction ​ — ​ 157,630 ​ 157,630 ​ Commercial and industrial loans ​ 9,397 ​ 2,975,361 ​ 2,984,758 ​ Consumer loans ​ — ​ 4,518 ​ 4,518 ​ Total ​ $ 47,154 ​ $ 10,679,039 ​ $ 10,726,193 ​ ​ The Company categorizes loans into risk categories based on relevant information about the ability of borrowers to service their debt such as current financial information, historical payment experience, collateral adequacy, credit documentation, and current economic trends, among other factors. The Company analyzes loans individually by classifying the loans as to credit risk. This analysis typically includes larger, non-homogeneous loans such as loans secured by multifamily or commercial real estate and commercial and industrial loans. This analysis is performed on an ongoing basis as new information is obtained. The Company uses the following definitions for risk ratings: Pass: Special Mention: Substandard: A loan is considered impaired, when, based on current information and events, it is probable that the Bank will be unable to collect all amounts due according to the contractual terms of the loan agreement. Additionally, all loans classified as TDRs are considered impaired. Purchased credit deteriorated loans are not considered impaired loans for these purposes. Loans listed as pass include larger non-homogeneous loans not meeting the risk rating definitions above and smaller, homogeneous loans not assessed on an individual basis. ​ The following tables present risk categories of loans based on year of origination, as of the periods shown. In accordance with the adoption of ASU 2022-02 in January 2023, gross charge-off information is disclosed by vintage year (year of origination) on a prospective basis beginning in 2023: ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Revolving ​ ​ ​ (dollars in thousands) 2023 2022 2021 2020 2019 Prior Loans Total March 31, 2023: ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Loans secured by real estate: ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Residential ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Multifamily ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Pass $ 16,080 $ 2,398,706 ​ $ 1,547,733 $ 793,127 $ 297,324 ​ $ 278,675 $ — $ 5,331,645 Special mention ​ ​ — ​ ​ — ​ ​ — ​ ​ — ​ ​ 5,637 ​ ​ 11,248 ​ ​ — ​ ​ 16,885 Substandard ​ ​ — ​ ​ — ​ ​ — ​ ​ — ​ ​ — ​ ​ — ​ ​ — ​ ​ — Total $ 16,080 $ 2,398,706 ​ $ 1,547,733 $ 793,127 $ 302,961 ​ $ 289,923 $ — $ 5,348,530 Gross charge-offs ​ $ — ​ $ — ​ $ — ​ $ — ​ $ — ​ $ — ​ $ — ​ $ — ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Single family ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Pass $ 9,505 $ 269,712 ​ $ 274,013 $ 95,026 $ 39,831 ​ $ 253,304 $ 67,462 $ 1,008,853 Special mention ​ ​ — ​ ​ — ​ ​ — ​ ​ — ​ ​ — ​ ​ — ​ ​ — ​ ​ — Substandard ​ ​ — ​ ​ — ​ ​ — ​ ​ — ​ ​ — ​ ​ 3,398 ​ ​ 30 ​ ​ 3,428 Total $ 9,505 $ 269,712 ​ $ 274,013 $ 95,026 $ 39,831 ​ $ 256,702 $ 67,492 $ 1,012,281 Gross charge-offs ​ $ — ​ $ — ​ $ — ​ $ — ​ $ — ​ $ — ​ $ — ​ $ — ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Commercial real estate ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Pass $ 13,589 $ 221,479 ​ $ 157,009 $ 134,635 $ 85,223 ​ $ 477,039 $ — $ 1,088,974 Special mention ​ ​ — ​ ​ — ​ ​ — ​ ​ 2,324 ​ ​ 7,040 ​ ​ 19,138 ​ ​ — ​ ​ 28,502 Substandard ​ ​ — ​ ​ 5,864 ​ ​ 9,418 ​ ​ 698 ​ ​ 10,558 ​ ​ 10,505 ​ ​ — ​ ​ 37,043 Total $ 13,589 $ 227,343 ​ $ 166,427 $ 137,657 $ 102,821 ​ $ 506,682 $ — $ 1,154,519 Gross charge-offs ​ $ — ​ $ — ​ $ — ​ $ — ​ $ — ​ $ 249 ​ $ — ​ $ 249 ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Land and construction ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Pass $ 4,205 $ 41,435 ​ $ 62,677 $ 48,764 $ 842 ​ $ 7,293 $ — $ 165,216 Special mention ​ ​ — ​ ​ — ​ ​ — ​ ​ — ​ ​ — ​ ​ — ​ ​ — ​ ​ — Substandard ​ ​ — ​ ​ — ​ ​ — ​ ​ — ​ ​ — ​ ​ — ​ ​ — ​ ​ — Total $ 4,205 $ 41,435 ​ $ 62,677 $ 48,764 $ 842 ​ $ 7,293 $ — $ 165,216 Gross charge-offs ​ $ — ​ $ — ​ $ — ​ $ — ​ $ — ​ $ — ​ $ — ​ $ — ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Commercial ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Pass $ 52,358 $ 1,171,201 ​ $ 317,465 $ 148,594 $ 39,128 ​ $ 31,893 $ 1,182,534 $ 2,943,173 Special mention ​ ​ — ​ ​ — ​ ​ 20,671 ​ ​ 4,739 ​ ​ 192 ​ ​ — ​ ​ 4,824 ​ ​ 30,426 Substandard ​ ​ — ​ ​ — ​ ​ 365 ​ ​ 1,900 ​ ​ 1,423 ​ ​ 1,023 ​ ​ 7,057 ​ ​ 11,768 Total $ 52,358 $ 1,171,201 ​ $ 338,501 $ 155,233 $ 40,743 ​ $ 32,916 $ 1,194,415 $ 2,985,367 Gross charge-offs ​ $ — ​ $ 375 ​ $ 193 ​ $ 86 ​ $ 51 ​ $ — ​ $ 1,047 ​ $ 1,752 ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Consumer ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Pass $ 10 $ 7 ​ $ 1,069 $ — $ 332 ​ $ 173 $ 2,299 $ 3,890 Special mention ​ ​ — ​ ​ — ​ ​ — ​ ​ — ​ ​ — ​ ​ — ​ ​ — ​ ​ — Substandard ​ ​ — ​ ​ — ​ ​ — ​ ​ — ​ ​ — ​ ​ — ​ ​ — ​ ​ — Total $ 10 $ 7 ​ $ 1,069 $ — $ 332 ​ $ 173 $ 2,299 $ 3,890 Gross charge-offs ​ $ — ​ $ — ​ $ — ​ $ — ​ $ — ​ $ — ​ $ 2 ​ $ 2 ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Total loans ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Pass $ 95,747 $ 4,102,540 ​ $ 2,359,966 $ 1,220,146 $ 462,680 ​ $ 1,048,377 $ 1,252,295 $ 10,541,751 Special mention ​ ​ — ​ ​ — ​ ​ 20,671 ​ ​ 7,063 ​ ​ 12,869 ​ ​ 30,386 ​ ​ 4,824 ​ ​ 75,813 Substandard ​ ​ — ​ ​ 5,864 ​ ​ 9,783 ​ ​ 2,598 ​ ​ 11,981 ​ ​ 14,926 ​ ​ 7,087 ​ ​ 52,239 Total $ 95,747 $ 4,108,404 ​ $ 2,390,420 $ 1,229,807 $ 487,530 ​ $ 1,093,689 $ 1,264,206 $ 10,669,803 Gross charge-offs ​ $ — ​ $ 375 ​ $ 193 ​ $ 86 ​ $ 51 ​ $ 249 ​ $ 1,049 ​ $ 2,003 ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Revolving ​ ​ ​ (dollars in thousands) 2022 2021 2020 2019 2018 Prior Loans Total December 31, 2022: ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Loans secured by real estate: ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Residential ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Multifamily ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Pass $ 2,399,360 $ 1,552,311 ​ $ 795,263 $ 301,025 $ 145,675 ​ $ 146,622 $ — $ 5,340,256 Special mention ​ ​ — ​ ​ — ​ ​ — ​ ​ 5,666 ​ ​ 9,767 ​ ​ 1,545 ​ ​ — ​ ​ 16,978 Substandard ​ ​ — ​ ​ — ​ ​ — ​ ​ — ​ ​ — ​ ​ — ​ ​ — ​ ​ — Total $ 2,399,360 $ 1,552,311 ​ $ 795,263 $ 306,691 $ 155,442 ​ $ 148,167 $ — $ 5,357,234 ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Single family ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Pass $ 270,589 $ 276,244 ​ $ 96,183 $ 40,010 $ 49,676 ​ $ 215,209 $ 68,575 $ 1,016,486 Special mention ​ ​ — ​ ​ — ​ ​ — ​ ​ — ​ ​ — ​ ​ — ​ ​ 25 ​ ​ 25 Substandard ​ ​ — ​ ​ — ​ ​ — ​ ​ — ​ ​ — ​ ​ 3,434 ​ ​ 45 ​ ​ 3,479 Total $ 270,589 $ 276,244 ​ $ 96,183 $ 40,010 $ 49,676 ​ $ 218,643 $ 68,645 $ 1,019,990 ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Commercial real estate ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Pass $ 223,503 $ 158,363 ​ $ 144,105 $ 93,960 $ 171,460 ​ $ 325,048 $ — $ 1,116,439 Special mention ​ ​ — ​ ​ 13,425 ​ ​ 2,340 ​ ​ 7,088 ​ ​ 11,734 ​ ​ 7,905 ​ ​ — ​ ​ 42,492 Substandard ​ ​ 5,919 ​ ​ 14,376 ​ ​ 742 ​ ​ 10,661 ​ ​ — ​ ​ 11,434 ​ ​ — ​ ​ 43,132 Total $ 229,422 $ 186,164 ​ $ 147,187 $ 111,709 $ 183,194 ​ $ 344,387 $ — $ 1,202,063 ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Land and construction ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Pass $ 43,846 $ 58,268 ​ $ 47,212 $ 854 $ 5,044 ​ $ 2,406 $ — $ 157,630 Special mention ​ ​ — ​ ​ — ​ ​ — ​ ​ — ​ ​ — ​ ​ — ​ ​ — ​ ​ — Substandard ​ ​ — ​ ​ — ​ ​ — ​ ​ — ​ ​ — ​ ​ — ​ ​ — ​ ​ — Total $ 43,846 $ 58,268 ​ $ 47,212 $ 854 $ 5,044 ​ $ 2,406 $ — $ 157,630 ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Commercial ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Pass $ 1,176,851 $ 369,775 ​ $ 182,889 $ 62,767 $ 16,306 ​ $ 17,558 $ 1,133,998 $ 2,960,144 Special mention ​ ​ — ​ ​ 542 ​ ​ 1,212 ​ ​ 383 ​ ​ — ​ ​ — ​ ​ 5,573 ​ ​ 7,710 Substandard ​ ​ — ​ ​ 380 ​ ​ 2,125 ​ ​ 1,810 ​ ​ — ​ ​ 2,736 ​ ​ 9,853 ​ ​ 16,904 Total $ 1,176,851 $ 370,697 ​ $ 186,226 $ 64,960 $ 16,306 ​ $ 20,294 $ 1,149,424 $ 2,984,758 ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Consumer ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Pass $ 456 $ 1,092 ​ $ — $ 471 $ 133 ​ $ 69 $ 2,297 $ 4,518 Special mention ​ ​ — ​ ​ — ​ ​ — ​ ​ — ​ ​ — ​ ​ — ​ ​ — ​ ​ — Substandard ​ ​ — ​ ​ — ​ ​ — ​ ​ — ​ ​ — ​ ​ — ​ ​ — ​ ​ — Total $ 456 $ 1,092 ​ $ — $ 471 $ 133 ​ $ 69 $ 2,297 $ 4,518 ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Total loans ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Pass $ 4,114,605 $ 2,416,053 ​ $ 1,265,652 $ 499,087 $ 388,294 ​ $ 706,912 $ 1,204,870 $ 10,595,473 Special mention ​ ​ — ​ ​ 13,967 ​ ​ 3,552 ​ ​ 13,137 ​ ​ 21,501 ​ ​ 9,450 ​ ​ 5,598 ​ ​ 67,205 Substandard ​ ​ 5,919 ​ ​ 14,756 ​ ​ 2,867 ​ ​ 12,471 ​ ​ — ​ ​ 17,604 ​ ​ 9,898 ​ ​ 63,515 Total $ 4,120,524 $ 2,444,776 ​ $ 1,272,071 $ 524,695 $ 409,795 ​ $ 733,966 $ 1,220,366 $ 10,726,193 ​ A loan is considered collateral dependent when the borrower is experiencing financial difficulty and repayment of the loan is expected to be provided substantially through the operation or sale of the collateral. Collateral dependent loans are evaluated individually to determine expected credit losses and any allowance for credit losses (“ACL”) allocation is determined based upon the amount by which amortized costs exceed the estimated fair value of the collateral, adjusted for estimated selling costs (if applicable). The following table presents the amortized cost basis of collateral dependent loans and the related ACL allocated to these loans as of the dates indicated: ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Equipment/ ​ ​ ​ ​ ​ ACL (dollars in thousands) ​ Real Estate ​ Cash ​ Receivables ​ Total ​ ​ Allocation March 31, 2023: ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Loans secured by real estate: ​ ​ ​ ​ ​ ​ ​ ​ Residential properties ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Single family ​ $ 2,415 ​ $ — ​ $ — ​ $ 2,415 ​ $ — Commercial real estate loans ​ 2,637 ​ — ​ — ​ 2,637 ​ — Commercial loans ​ — ​ 250 ​ — ​ 250 ​ — Total ​ $ 5,052 ​ $ 250 ​ $ — ​ $ 5,302 ​ $ — ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ December 31, 2022: ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Loans secured by real estate: ​ ​ ​ ​ ​ ​ ​ ​ Residential properties ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Single family ​ $ 2,435 ​ $ — ​ $ — ​ $ 2,435 ​ $ — Commercial real estate loans ​ 3,171 ​ — ​ — ​ 3,171 ​ — Commercial loans ​ — ​ 250 ​ 638 ​ 888 ​ 630 Total ​ $ 5,606 ​ $ 250 ​ $ 638 ​ $ 6,494 ​ $ 630 ​

GOODWILL AND INTANGIBLES

GOODWILL AND INTANGIBLES	3 Months Ended
	Mar. 31, 2023
GOODWILL AND INTANGIBLES
GOODWILL AND INTANGIBLES	NOTE 6: GOODWILL AND INTANGIBLES Goodwill is recorded upon completion of a business combination as the difference between the purchase price and the fair value of net identifiable assets acquired. Goodwill is deemed to have an indefinite useful life and as such is not subject to amortization and instead is tested for impairment annually unless a triggering event occurs thereby requiring an updated assessment. Our regular annual impairment assessment occurs in the fourth quarter. Impairment exists when the carrying value of the goodwill exceeds its fair value. An impairment loss would be recognized in an amount equal to that excess as a charge to noninterest expense in the consolidated statements of earnings. The goodwill recorded by the Company was recognized from prior acquisitions and was not considered impaired as of March 31, 2023 and December 31, 2022, respectively. Goodwill totaled $215.2 million at March 31, 2023 and December 31, 2022, respectively. Other intangible assets are deemed to have definite useful lives and as such are amortized over their estimated useful lives to their estimated residual values. Other intangible assets consist of core deposit intangible assets arising from whole bank acquisitions and are amortized on an accelerated method over their estimated useful lives, ranging from 7 to 10 years. At March 31, 2023 and December 31, 2022, core deposit intangible assets totaled $6.2 million and $6.6 million, respectively, and we recognized $0.4 million and $0.5 million in core deposit intangible amortization expense for the three month periods ended March 31, 2023 and March 31, 2022, respectively.

LOAN SALES AND MORTGAGE SERVICI

LOAN SALES AND MORTGAGE SERVICING RIGHTS	3 Months Ended
	Mar. 31, 2023
LOAN SALES AND MORTGAGE SERVICING RIGHTS
LOAN SALES AND MORTGAGE SERVICING RIGHTS	NOTE 7: LOAN SALES AND MORTGAGE SERVICING RIGHTS The Company retained servicing rights for the majority of the loans sold and recognized mortgage servicing rights in connection with multifamily loan sale transactions that occurred in 2021 and prior. As of March 31, 2023 and December 31, 2022, mortgage servicing rights were $5.9 million respectively, net of valuation allowances of $0.8 million and $1.4 million, respectively. The amount of loans serviced for others totaled $1.0 billion and $1.1 billion at March 31, 2023 and December 31, 2022, respectively. Servicing fees collected for the first three months of 2023 and 2022 were $0.6 million and $0.9 million, respectively.

DEPOSITS

DEPOSITS	3 Months Ended
	Mar. 31, 2023
DEPOSITS
DEPOSITS	NOTE 8: DEPOSITS The following table summarizes the outstanding balance of deposits and average rates paid thereon as of: ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ March 31, 2023 ​ December 31, 2022 ​ ​ ​ ​ ​ ​ ​ Weighted ​ ​ ​ ​ Weighted ​ ​ (dollars in thousands) ​ Amount ​ Average Rate ​ Amount ​ Average Rate ​ ​ Demand deposits: ​ ​ ​ Noninterest-bearing ​ $ 2,263,412 — ​ $ 2,736,691 — ​ ​ Interest-bearing ​ 2,364,213 3.380 % 2,568,850 3.109 % ​ Money market and savings ​ 2,997,666 3.098 % 3,178,230 2.373 % ​ Certificates of deposit ​ 2,426,415 4.170 % 1,878,841 3.741 % ​ Total ​ $ 10,051,706 2.726 % $ 10,362,612 2.177 % ​ ​ At March 31, 2023, of the $461 million of certificates of deposits of $250,000 or more, $442 million mature within one year and $19 million mature after one year. Of the $2.0 billion of certificates of deposit of less than $250,000, $1.5 billion mature within one year and $480 million mature after one year. At December 31, 2022, of the $436 million of certificates of deposits of $250,000 or more, $409 million mature within one year and $27 million mature after one year. Of the $1.4 billion of certificates of deposit of less than $250,000, $1.1 billion mature within one year and $345 million mature after one year.

BORROWINGS

BORROWINGS	3 Months Ended
	Mar. 31, 2023
BORROWINGS
BORROWINGS	NOTE 9: BORROWINGS At March 31, 2023, our borrowings consisted of $1.0 billion in overnight and $1.0 billion in short-term FHLB advances at the Bank, $174 million in subordinated notes at FFI, $101 million in repurchase agreements at the Bank, and $20 million of borrowings under a holding company line of credit. At December 31, 2022 our borrowings consisted of $805 million in overnight FHLB advances at the Bank, $200 million in federal funds purchased at the Bank, $174 million in subordinated notes at FFI, $171 million in repurchase agreements at the Bank, and $20 million of borrowings under a holding company line of credit. The overnight FHLB advance outstanding at March 31, 2023 was paid in full in early April and bore an interest rate of 5.11%. The short-term FHLB advance outstanding at March 31, 2023 was paid in full in early April and bore an interest rate of 5.08%. FHLB advances are collateralized primarily by loans secured by single family, multifamily, and commercial real estate properties with a carrying value of $5.4 billion as of March 31, 2023. The Bank’s total borrowing capacity from the FHLB as of March 31, 2023 was $930 million. The Bank had in place $315 million of letters of credit from the FHLB as of March 31, 2023, which are used to meet collateral requirements for borrowings from the State of California and local agencies. The $174 million in subordinated notes consist of $150 million of fixed-to-floating rate notes that mature in February 2032. The notes initially bear a rate of 3.50% per annum, payable semi-annually in arrears on February 1 and August 1 of each year, commencing on August 1, 2022, until February 1, 2027. From and including February 1, 2027 to, but excluding February 1, 2032, or the date of earlier redemption, the notes will bear interest at a floating rate per annum equal to the Benchmark rate (which is expected to be Three-Month Term Secured Overnight Financing Rate, or “SOFR”), each as defined in and subject to the provisions of the indenture under which the notes were issued, plus 204 basis points (2.04%), payable quarterly in arrears on February 1, May 1, August 1, and November 1 of each year, commencing on May 1, 2027. The remaining $24 million in subordinated notes mature in June 2030 and bear a fixed interest rate of 6.0%, until June 30, 2025, at which time they will convert to a floating rate based on three-month SOFR, plus 590 basis points (5.90%), until maturity. During 2017, FFI entered into a loan agreement with an unaffiliated lender that provides for a revolving line of credit for up to $20 million maturing in February 2024. The loan bears an interest rate of Prime rate, plus 50 basis points (0.50%). FFI’s obligations under the loan agreement are secured by, among other things, a pledge of all of its equity in the Bank. We are required to meet certain financial covenants during the term of the loan, including minimum capital levels and limits on classified assets. As of March 31, 2023 and December 31, 2022, FFI was in compliance with the covenants contained in the loan agreement. As of March 31, 2023 and December 31, 2022, the balance outstanding under this line of credit agreement was $20 million. The weighted average interest rate paid on borrowings during the three months ended March 31, 2023, and December 31, 2022 was 8.05% and 8.0%, respectively. The Bank has a secured line of credit with the Federal Reserve Bank of San Francisco under which the Bank pledges collateral in the form of qualifying loans and securities. As of March 31, 2023, the Bank had secured borrowing capacity of $841.6 million under this agreement. As of March 31, 2023 and December 31, 2022, there were no balances outstanding. The Bank has a total of $245 million in borrowing capacity through unsecured federal funds lines, ranging in size from $20 million to $100 million, with five other financial institutions. At March 31, 2023, there were no balances outstanding under these arrangements. At December 31, 2022, the Bank had outstanding borrowings with one of the five institutions under these arrangements totaling $100 million and an additional $100 million outstanding separate from these agreements with the same financial institution. The total $200 million outstanding at December 31, 2022 were in the form of federal funds purchased and were paid in full in early March, 2023. The repurchase agreements are treated as overnight borrowings with the obligations to repurchase securities sold reflected as a liability. The investment securities underlying these agreements remain in the Company’s securities AFS portfolio. As of March 31, 2023 and December 31, 2022, the repurchase agreements are collateralized by investment securities with a fair value of approximately $184.2 million and $186.3 million, respectively.

EARNINGS PER SHARE

EARNINGS PER SHARE	3 Months Ended
	Mar. 31, 2023
EARNINGS PER SHARE
EARNINGS PER SHARE	NOTE 10: EARNINGS PER SHARE Basic earnings per share excludes dilution and is computed by dividing net income or loss available to common shareholders by the weighted average number of common shares outstanding for the period. Diluted earnings per share reflects the potential dilution that could occur if contracts to issue common stock were exercised or converted into common stock that would then share in earnings. The following table sets forth the Company’s unaudited earnings per share calculations for the three months ended March 31: ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Three Months Ended ​ Three Months Ended ​ ​ ​ March 31, 2023 ​ March 31, 2022 ​ (dollars in thousands, except per share amounts) ​ Basic ​ Diluted ​ Basic ​ Diluted ​ Net income $ 8,496 $ 8,496 $ 30,836 $ 30,836 ​ Basic common shares outstanding ​ 56,376,669 ​ 56,376,669 ​ 56,465,855 ​ 56,465,855 ​ Effect of options, restricted stock and contingent shares issuable ​ ​ ​ ​ ​ 33,747 ​ ​ ​ ​ ​ 99,990 ​ Diluted common shares outstanding ​ ​ 56,410,416 ​ ​ 56,565,845 ​ Earnings per share ​ $ 0.15 ​ $ 0.15 ​ $ 0.55 ​ $ 0.55 ​ ​ ​

SEGMENT REPORTING

SEGMENT REPORTING	3 Months Ended
	Mar. 31, 2023
SEGMENT REPORTING
SEGMENT REPORTING	NOTE 11: SEGMENT REPORTING For the three months ended March 31, 2023 and 2022, the Company had two reportable business segments: Banking (FFB) and Wealth Management (FFA). The results of FFI and any elimination entries are included in the column labeled Other. The reportable segments are determined by products and services offered and the corporate structure. Business segment earnings before taxes are the primary measure of the segment’s performance as evaluated by management. Business segment earnings before taxes include direct revenue and expenses of the segment as well as corporate and inter-company cost allocations. Allocations of corporate expenses, such as finance and accounting, data processing and human resources are calculated based on estimated activity or usage levels. The management accounting process measures the performance of the operating segments based on the Company’s management structure and is not necessarily comparable with similar information for other financial services companies. If the management structures and/or the allocation process changes, allocations, transfers, and assignments may change. The following tables show key operating results for each of our business segments used to arrive at our consolidated totals for the following periods: ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Wealth ​ ​ ​ ​ (dollars in thousands) ​ Banking ​ Management ​ Other Total Three Months Ended March 31, 2023: ​ ​ ​ ​ Interest income ​ $ 137,000 ​ $ — ​ $ — ​ $ 137,000 Interest expense ​ 76,449 ​ — ​ 1,796 ​ 78,245 Net interest income ​ 60,551 ​ — ​ (1,796) ​ 58,755 Provision for credit losses ​ 417 ​ — ​ — ​ 417 Noninterest income ​ 4,801 ​ 7,291 ​ (394) ​ 11,698 Noninterest expense ​ 51,645 ​ 6,065 ​ 1,630 ​ 59,340 Income (loss) before taxes on income ​ ​ 13,290 ​ ​ 1,226 ​ ​ (3,820) ​ ​ 10,696 Taxes on income ​ ​ 2,947 ​ ​ 364 ​ ​ (1,111) ​ ​ 2,200 Net income (loss) ​ $ 10,343 ​ $ 862 ​ $ (2,709) ​ $ 8,496 ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Three Months Ended March 31, 2022: ​ ​ ​ ​ Interest income ​ $ 79,144 ​ $ — ​ $ — ​ $ 79,144 Interest expense ​ 3,413 ​ — ​ 1,237 ​ 4,650 Net interest income ​ 75,731 ​ — ​ (1,237) ​ 74,494 Provision for credit losses ​ (792) ​ — ​ — ​ (792) Noninterest income ​ 7,531 ​ 8,345 ​ (449) ​ 15,427 Noninterest expense ​ 40,101 ​ 6,644 ​ 873 ​ 47,618 Income (loss) before taxes on income ​ ​ 43,953 ​ ​ 1,701 ​ ​ (2,559) ​ ​ 43,095 Taxes on income ​ ​ 12,715 ​ ​ 493 ​ ​ (949) ​ ​ 12,259 Net income (loss) ​ $ 31,238 ​ $ 1,208 ​ $ (1,610) ​ $ 30,836 ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​

SUBSEQUENT EVENTS

SUBSEQUENT EVENTS	3 Months Ended
	Mar. 31, 2023
SUBSEQUENT EVENTS
SUBSEQUENT EVENTS	NOTE 12: SUBSEQUENT EVENTS Cash Dividend On April 27, 2023, the Board of Directors of the Company declared a quarterly cash dividend of $0.02 per common share to be paid on May 19, 2023 to shareholders of record as of the close of business on May 8, 2023. ​

SUMMARY OF SIGNIFICANT ACCOUN_2

SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Policies)	3 Months Ended
	Mar. 31, 2023
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES
Nature of Operations and Principles of Consolidation	Nature of Operations and Principles of Consolidation First Foundation Inc. (“FFI”) is a financial services holding company whose operations are conducted through its wholly owned subsidiaries: First Foundation Advisors (“FFA”) and First Foundation Bank (“FFB” or the “Bank”) and the wholly owned subsidiaries of FFB, First Foundation Public Finance (“FFPF”), First Foundation Insurance Services (“FFIS”) and Blue Moon Management, LLC (collectively the “Company”). FFI also has two inactive wholly owned subsidiaries, First Foundation Consulting and First Foundation Advisors, LLC. In addition, FFA has set up a limited liability company, which is not included in these consolidated financial statements, as a private investment fund to provide an investment vehicle for its clients. FFI is incorporated in the state of Delaware. The corporate headquarters for FFI is located in Dallas, Texas. The Company provides a comprehensive platform of financial services to individuals, businesses and other organizations and has offices in California, Nevada, Florida, Texas, and Hawaii. The consolidated financial statements have been prepared in conformity with accounting principles generally accepted in the United States of America (“GAAP”) and prevailing practices within the banking industry. In preparing the consolidated financial statements, management is required to make estimates and assumptions that affect the reported amounts of assets and liabilities as of the date of the balance sheet and revenues and expenses for the period. Actual results could differ significantly from those estimates. The accompanying unaudited consolidated financial statements include the accounts of the Company as of March 31, 2023 and December 31, 2022, and for the three months ended March 31, 2023 and 2022, and include all information and footnotes required for interim financial reporting presentation. All intercompany accounts and transactions have been eliminated in consolidation. The results for the 2023 interim periods are not necessarily indicative of the results expected for the full year. These financial statements assume that readers have read the most recent Annual Report on Form 10-K filed with the SEC which contains the latest available audited consolidated financial statements and notes thereto as of and for the year ended December 31, 2022.
New Accounting Pronouncements	New Accounting Pronouncements On January 1, 2023, the Company adopted ASU 2022-02, “ Financial Instruments – Credit Losses (Topic 326), Troubled Debt Restructurings (“TDRs”) and Vintage Disclosures” Subtopic 310-40, Receivables – Troubled Debt Restructurings by Creditors Financial Instruments – Credit Losses on Financial Instruments In March 2020, the Financial Accounting Standards Board (“FASB”) issued ASU 2020-04, “ Reference Rate Reform (Topic 848), Facilitation of the Effects of Reference Rate Reform on Financial Reporting” reform if certain criteria are met. The amendments in this ASU apply only to contracts, hedging relationships, and other transactions that reference LIBOR or another reference rate expected to be discontinued because of reference rate reform. The amendments in this ASU are effective as of March 12, 2020 through December 31, 2022. The Company has permanently ceased originating any new loans or entering into any transaction that would increase its LIBOR-based exposure. For all new variable-rate loans and transactions, the Company primarily offers Prime and SOFR as the variable-rate index. For all LIBOR-based loans and transactions that mature after December 31, 2022, the Company has implemented procedures to identify and amend such loans and transactions to convert the base rate of the contract to a Prime or SOFR-based rate. The Company will also continue to assess impacts to its operations, financial models, data and technology as part of its transition plan. The Company does not expect the impact of this transition to have a material impact on its consolidated financial statements.

FAIR VALUE MEASUREMENTS (Tables

FAIR VALUE MEASUREMENTS (Tables)	3 Months Ended
	Mar. 31, 2023
FAIR VALUE MEASUREMENTS
Recorded Amounts of Assets and Liabilities Measured at Fair Value on Recurring Basis	The following tables show the recorded amounts of assets and liabilities measured at fair value on a recurring basis as of: ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Fair Value Measurement Level (dollars in thousands) ​ Total ​ Level 1 ​ Level 2 ​ Level 3 March 31, 2023: ​ ​ ​ ​ Investment securities available for sale: ​ ​ ​ ​ Collateralized mortgage obligations ​ $ 8,511 ​ $ — ​ $ 8,511 ​ $ — Agency mortgage-backed securities ​ 7,157 ​ — ​ 7,157 ​ — Municipal bonds ​ 47,520 ​ — ​ 47,520 ​ — SBA securities ​ ​ 16,819 ​ ​ — ​ ​ 16,819 ​ ​ — Beneficial interests in FHLMC securitization ​ ​ 6,830 ​ ​ — ​ ​ — ​ ​ 6,830 Corporate bonds ​ 123,243 ​ — ​ 123,243 ​ — U.S. Treasury ​ ​ 1,244 ​ ​ 1,244 ​ ​ — ​ ​ — Investment in equity securities ​ 9,758 ​ — ​ — ​ 9,758 Total assets at fair value on a recurring basis ​ $ 221,082 ​ $ 1,244 ​ $ 203,250 ​ $ 16,588 ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ December 31, 2022: ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Investment securities available for sale: ​ ​ ​ ​ Collateralized mortgage obligations ​ $ 8,615 ​ $ — ​ $ 8,615 ​ $ — Agency mortgage-backed securities ​ ​ 7,576 ​ ​ — ​ ​ 7,576 ​ ​ — Municipal bonds ​ 46,790 ​ — ​ 46,790 ​ — SBA securities ​ 18,955 ​ — ​ 18,955 ​ — Beneficial interests in FHLMC securitization ​ 7,981 ​ — ​ — ​ 7,981 Corporate bonds ​ ​ 135,013 ​ ​ — ​ ​ 135,013 ​ ​ — U.S. Treasury ​ 1,228 ​ 1,228 ​ — ​ — Investment in equity securities ​ 9,767 ​ — ​ — ​ 9,767 Total assets at fair value on a recurring basis ​ $ 235,925 ​ $ 1,228 ​ $ 216,949 ​ $ 17,748 ​
Carrying Amounts and Estimated Fair Value of Financial Instruments	The carrying amounts and estimated fair values of financial instruments are as follows as of: ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Carrying ​ Fair Value Measurement Level (dollars in thousands) ​ Value ​ 1 ​ 2 ​ 3 ​ Total March 31, 2023: ​ ​ ​ ​ ​ Assets: ​ ​ ​ ​ ​ Cash and cash equivalents ​ $ 1,317,129 ​ $ 1,317,129 ​ $ — ​ $ — ​ $ 1,317,129 Securities AFS, net ​ 211,324 ​ 1,244 ​ 203,250 ​ 6,830 ​ 211,324 Securities HTM ​ ​ 847,036 ​ ​ — ​ ​ 766,907 ​ ​ — ​ ​ 766,907 Loans, net ​ 10,638,708 ​ — ​ — ​ 10,302,070 ​ 10,302,070 Investment in FHLB stock ​ 58,716 ​ — ​ 58,716 ​ — ​ 58,716 Investment in equity securities ​ 9,758 ​ — ​ — ​ 9,758 ​ 9,758 Liabilities: ​ ​ ​ ​ ​ Deposits ​ $ 10,051,706 ​ $ 7,625,291 ​ $ 2,409,187 ​ $ — ​ $ 10,034,478 Borrowings ​ 2,294,600 ​ 2,020,000 ​ — ​ 153,121 ​ 2,173,121 ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ December 31, 2022: ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Assets: ​ ​ ​ ​ ​ Cash and cash equivalents ​ $ 656,494 ​ $ 656,494 ​ $ — ​ $ — ​ $ 656,494 Securities AFS, net ​ 226,158 ​ 1,228 ​ 216,949 ​ 7,981 ​ 226,158 Securities HTM ​ ​ 862,544 ​ ​ ​ ​ ​ 773,061 ​ ​ ​ ​ ​ 773,061 Loans, net ​ 10,692,462 ​ — ​ — ​ 10,354,052 ​ 10,354,052 Investment in FHLB stock ​ 25,358 ​ — ​ 25,358 ​ — ​ 25,358 Investment in equity securities ​ 9,767 ​ — ​ — ​ 9,767 ​ 9,767 Liabilities: ​ ​ ​ ​ ​ ​ Deposits ​ $ 10,362,612 ​ $ 8,483,770 ​ $ 1,865,502 ​ $ — ​ $ 10,349,272 Borrowings ​ 1,369,936 ​ 1,176,601 ​ — ​ 153,121 ​ 1,329,722

SECURITIES (Tables)

SECURITIES (Tables)	3 Months Ended
	Mar. 31, 2023
SECURITIES
Summary of AFS Securities Portfolio	The following table provides a summary of the Company’s securities AFS portfolio as of: ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Amortized ​ Gross Unrealized ​ Allowance for ​ Estimated (dollars in thousands) ​ Cost ​ Gains ​ Losses ​ Credit Losses ​ Fair Value March 31, 2023: ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Collateralized mortgage obligations ​ $ 9,585 ​ $ — ​ $ (1,074) ​ $ — ​ $ 8,511 Agency mortgage-backed securities ​ ​ 7,627 ​ ​ — ​ ​ (470) ​ ​ — ​ ​ 7,157 Municipal bonds ​ ​ 50,093 ​ ​ 1 ​ ​ (2,574) ​ ​ — ​ ​ 47,520 SBA securities ​ ​ 16,947 ​ ​ 2 ​ ​ (130) ​ ​ — ​ ​ 16,819 Beneficial interests in FHLMC securitization ​ 19,113 ​ ​ 110 ​ ​ (105) ​ ​ (11,315) ​ 7,803 Corporate bonds ​ 138,972 ​ ​ — ​ ​ (15,729) ​ ​ (973) ​ 122,270 U.S. Treasury ​ 1,298 ​ ​ 3 ​ ​ (57) ​ ​ — ​ 1,244 Total ​ $ 243,635 ​ $ 116 ​ $ (20,139) ​ $ (12,288) ​ $ 211,324 ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ December 31, 2022: ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Collateralized mortgage obligations ​ $ 9,865 ​ $ — ​ $ (1,250) ​ $ — ​ $ 8,615 Agency mortgage-backed securities ​ ​ 8,161 ​ ​ — ​ ​ (585) ​ ​ — ​ ​ 7,576 Municipal bonds ​ ​ 50,232 ​ ​ — ​ ​ (3,442) ​ ​ — ​ ​ 46,790 SBA securities ​ ​ 19,090 ​ ​ 3 ​ ​ (138) ​ ​ — ​ ​ 18,955 Beneficial interests in FHLMC securitization ​ 19,415 ​ 108 ​ (103) ​ (11,439) ​ 7,981 Corporate bonds ​ 145,024 ​ — ​ (10,011) ​ — ​ 135,013 U.S. Treasury ​ 1,298 ​ 1 ​ (71) ​ — ​ 1,228 Total ​ $ 253,085 ​ $ 112 ​ $ (15,600) ​ $ (11,439) ​ $ 226,158 ​
Summary of HTM Securities Portfolio	​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Amortized ​ Gross Unrecognized ​ Allowance for ​ Estimated (dollars in thousands) ​ Cost ​ Gains ​ Losses ​ Credit Losses ​ Fair Value March 31, 2023: ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Agency mortgage-backed securities ​ $ 847,036 ​ $ — ​ $ (80,129) ​ $ — ​ $ 766,907 Total ​ $ 847,036 ​ $ — ​ $ (80,129) ​ $ — ​ $ 766,907 ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ December 31, 2022: ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Agency mortgage-backed securities ​ $ 862,544 ​ $ — ​ $ (89,483) ​ $ — ​ $ 773,061 Total ​ $ 862,544 ​ $ — ​ $ (89,483) ​ $ — ​ $ 773,061 ​
Schedule of Securities in a Continuous Unrealized Loss Position Aggregated by Investment Category and Length of Time	The tables below indicate the gross unrealized losses and fair values of our securities AFS portfolio, aggregated by investment category and length of time that the individual securities have been in a continuous unrealized loss position. ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Securities with Unrealized Loss at March 31, 2023 ​ ​ Less than 12 months ​ 12 months or more ​ Total ​ ​ Fair ​ Unrealized ​ Fair ​ Unrealized ​ Fair ​ Unrealized (dollars in thousands) Value Loss Value Loss Value Loss Collateralized mortgage obligations ​ $ — ​ $ — ​ $ 8,511 ​ $ (1,074) ​ $ 8,511 ​ $ (1,074) Agency mortgage-backed securities ​ ​ 1,407 ​ ​ (50) ​ ​ 5,750 ​ ​ (420) ​ ​ 7,157 ​ ​ (470) Municipal bonds ​ ​ 1,796 ​ ​ (15) ​ ​ 42,108 ​ ​ (2,559) ​ ​ 43,904 ​ ​ (2,574) SBA securities ​ ​ 14,823 ​ ​ (122) ​ ​ 912 ​ ​ (8) ​ ​ 15,735 ​ ​ (130) Beneficial interests in FHLMC securitization ​ ​ 4,224 ​ ​ (105) ​ ​ — ​ ​ — ​ ​ 4,224 ​ ​ (105) Corporate bonds ​ ​ 52,772 ​ ​ (1,228) ​ ​ 70,472 ​ ​ (14,501) ​ ​ 123,244 ​ ​ (15,729) U.S. Treasury ​ ​ — ​ ​ — ​ ​ 841 ​ ​ (57) ​ ​ 841 ​ ​ (57) Total temporarily impaired securities ​ $ 75,022 ​ $ (1,520) ​ $ 128,594 ​ $ (18,619) ​ $ 203,616 ​ $ (20,139) ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Securities with Unrealized Loss at December 31, 2022 ​ ​ Less than 12 months ​ 12 months or more ​ Total ​ ​ Fair ​ Unrealized ​ Fair ​ Unrealized ​ Fair ​ Unrealized (dollars in thousands) Value Loss Value Loss Value Loss Collateralized mortgage obligations $ 2 $ — $ 8,613 $ (1,250) $ 8,615 $ (1,250) Agency mortgage-backed securities ​ ​ 6,882 ​ ​ (525) ​ ​ 696 ​ ​ (60) ​ ​ 7,578 ​ ​ (585) Municipal bonds ​ ​ 44,971 ​ ​ (3,244) ​ ​ 1,819 ​ ​ (198) ​ ​ 46,790 ​ ​ (3,442) SBA securities ​ ​ 17,237 ​ ​ (137) ​ ​ 121 ​ ​ (1) ​ ​ 17,358 ​ ​ (138) Beneficial interests in FHLMC securitization ​ ​ 4,217 ​ ​ (103) ​ ​ — ​ ​ — ​ ​ 4,217 ​ ​ (103) Corporate bonds ​ ​ 108,056 ​ ​ (6,476) ​ ​ 26,957 ​ ​ (3,535) ​ ​ 135,013 ​ ​ (10,011) U.S. Treasury ​ 376 ​ (23) ​ 451 ​ (48) ​ 827 ​ (71) Total temporarily impaired securities ​ $ 181,741 ​ $ (10,508) ​ $ 38,657 ​ $ (5,092) ​ $ 220,398 ​ $ (15,600) ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Securities with Unrecognized Loss at March 31, 2023 ​ ​ Less than 12 months ​ 12 months or more ​ Total ​ ​ Fair ​ Unrecognized ​ Fair ​ Unrecognized ​ Fair ​ Unrecognized (dollars in thousands) Value Loss Value Loss Value Loss Agency mortgage-backed securities ​ $ 76,301 ​ $ (6,768) ​ $ 690,606 ​ $ (73,361) ​ $ 766,907 ​ $ (80,129) Total temporarily impaired securities ​ $ 76,301 ​ $ (6,768) ​ $ 690,606 ​ $ (73,361) ​ $ 766,907 ​ $ (80,129) ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Securities with Unrecognized Loss at December 31, 2022 ​ ​ Less than 12 months ​ 12 months or more ​ Total ​ ​ Fair ​ Unrecognized ​ Fair ​ Unrecognized ​ Fair ​ Unrecognized (dollars in thousands) Value Loss Value Loss Value Loss Agency mortgage-backed securities ​ $ 394,619 ​ $ (37,418) ​ $ 378,442 ​ $ (52,065) ​ $ 773,061 ​ $ (89,483) Total temporarily impaired securities ​ $ 394,619 ​ $ (37,418) ​ $ 378,442 ​ $ (52,065) ​ $ 773,061 ​ $ (89,483) ​
Summary of Allowance For Credit Losses - Securities AFS	​ ​ ​ ​ ​ (dollars in thousands) ​ ​ Total ​ ​ ​ ​ Three Months Ended March 31, 2023: ​ ​ ​ Beginning balance $ 11,439 Provision for credit losses ​ 849 Balance: March 31, 2023 $ 12,288 ​ ​ ​ ​ Three Months Ended March 31, 2022: ​ ​ ​ Beginning balance $ 10,399 Provision for credit losses ​ 344 Balance: March 31, 2022 $ 10,743 ​
Scheduled Maturities of Securities AFS Other than Mortgage Backed Securities and the Related Weighted Average Yield	The scheduled maturities of securities AFS and the related weighted average yields were as follows for the periods indicated: ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Less than 1 Through 5 Through After ​ ​ (dollars in thousands) ​ 1 Year ​ 5 years ​ 10 Years ​ 10 Years ​ Total March 31, 2023 ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Amortized Cost: ​ ​ ​ ​ ​ ​ Collateralized mortgage obligations ​ $ — ​ $ — ​ $ 569 ​ $ 9,016 ​ $ 9,585 ​ Agency mortgage-backed securities ​ ​ — ​ ​ 5,969 ​ ​ — ​ ​ 1,658 ​ ​ 7,627 ​ Municipal bonds ​ ​ 300 ​ ​ 9,280 ​ ​ 35,064 ​ ​ 5,449 ​ ​ 50,093 ​ SBA securities ​ ​ 5 ​ ​ 1,101 ​ ​ 1,108 ​ ​ 14,733 ​ ​ 16,947 ​ Beneficial interests in FHLMC securitization ​ ​ — ​ ​ 9,537 ​ ​ — ​ ​ 9,576 ​ ​ 19,113 ​ Corporate bonds ​ ​ — ​ ​ 28,985 ​ ​ 104,456 ​ ​ 5,531 ​ ​ 138,972 ​ U.S. Treasury ​ — ​ ​ 1,298 ​ ​ — ​ ​ — ​ 1,298 ​ Total ​ $ 305 ​ $ 56,170 ​ $ 141,197 ​ $ 45,963 ​ $ 243,635 ​ Weighted average yield ​ 0.29 % 4.11 % 3.43 % 4.17 % 3.72 % Estimated Fair Value: ​ ​ ​ ​ ​ ​ Collateralized mortgage obligations ​ $ — ​ $ — ​ $ 521 ​ $ 7,990 ​ $ 8,511 ​ Agency mortgage-backed securities ​ ​ — ​ ​ 5,665 ​ ​ — ​ ​ 1,492 ​ ​ 7,157 ​ Municipal bonds ​ ​ 300 ​ ​ 8,944 ​ ​ 33,682 ​ ​ 4,594 ​ ​ 47,520 ​ SBA securities ​ ​ 5 ​ ​ 1,094 ​ ​ 1,103 ​ ​ 14,617 ​ ​ 16,819 ​ Beneficial interests in FHLMC securitization ​ ​ — ​ ​ 9,537 ​ ​ — ​ ​ 9,581 ​ ​ 19,118 ​ Corporate bonds ​ ​ — ​ ​ 27,970 ​ ​ 90,758 ​ ​ 4,515 ​ ​ 123,243 ​ U.S. Treasury ​ — ​ ​ 1,244 ​ ​ — ​ ​ — ​ 1,244 ​ Total ​ $ 305 ​ $ 54,454 ​ $ 126,064 ​ $ 42,789 ​ $ 223,612 ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Less than 1 Through 5 Through After ​ ​ (dollars in thousands) ​ 1 Year ​ 5 years ​ 10 Years ​ 10 Years ​ Total December 31, 2022 ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Amortized Cost: ​ ​ ​ ​ ​ ​ Collateralized mortgage obligations ​ $ — ​ $ — ​ $ 686 ​ $ 9,179 ​ $ 9,865 ​ Agency mortgage-backed securities ​ ​ — ​ ​ 4,384 ​ ​ 2,107 ​ ​ 1,670 ​ ​ 8,161 ​ Municipal bonds ​ ​ 301 ​ ​ 8,002 ​ ​ 34,501 ​ ​ 7,428 ​ ​ 50,232 ​ SBA securities ​ ​ 14 ​ ​ 1,402 ​ ​ 1,278 ​ ​ 16,396 ​ ​ 19,090 ​ Beneficial interests in FHLMC securitization ​ ​ — ​ ​ 9,860 ​ ​ — ​ ​ 9,555 ​ ​ 19,415 ​ Corporate bonds ​ ​ 6,006 ​ ​ 28,993 ​ ​ 104,494 ​ ​ 5,531 ​ ​ 145,024 ​ U.S. Treasury ​ — ​ 1,298 ​ — ​ — ​ 1,298 ​ Total ​ $ 6,321 ​ $ 53,939 ​ $ 143,066 ​ $ 49,759 ​ $ 253,085 ​ Weighted average yield ​ 4.36 % 3.96 % 3.38 % 1.91 % 3.24 % Estimated Fair Value: ​ ​ ​ ​ ​ ​ Collateralized mortgage obligations ​ $ — ​ $ — ​ $ 623 ​ $ 7,992 ​ $ 8,615 ​ Agency mortgage-backed securities ​ ​ — ​ ​ 4,133 ​ ​ 1,960 ​ ​ 1,483 ​ ​ 7,576 ​ Municipal bonds ​ ​ 299 ​ ​ 7,565 ​ ​ 32,690 ​ ​ 6,236 ​ ​ 46,790 ​ SBA securities ​ ​ 14 ​ ​ 1,395 ​ ​ 1,272 ​ ​ 16,274 ​ ​ 18,955 ​ Beneficial interests in FHLMC securitization ​ ​ — ​ ​ 9,860 ​ ​ — ​ ​ 9,560 ​ ​ 19,420 ​ Corporate bonds ​ ​ 6,001 ​ ​ 28,022 ​ ​ 96,734 ​ ​ 4,256 ​ ​ 135,013 ​ U.S. Treasury ​ — ​ 1,228 ​ — ​ — ​ 1,228 ​ Total ​ $ 6,314 ​ $ 52,203 ​ $ 133,279 ​ $ 45,801 ​ $ 237,597 ​ ​
Schedule of maturities of securities HTM and the related weighted average yields	The scheduled maturities of securities HTM and the related weighted average yields were as follows for the periods indicated: ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Less than 1 Through 5 Through After ​ ​ (dollars in thousands) ​ 1 Year ​ 5 years ​ 10 Years ​ 10 Years ​ Total March 31, 2023 ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Amortized Cost: ​ ​ ​ ​ ​ ​ Agency mortgage-backed securities ​ $ — ​ $ 574 ​ $ 18,925 ​ $ 827,537 ​ $ 847,036 ​ Total ​ $ — ​ $ 574 ​ $ 18,925 ​ $ 827,537 ​ $ 847,036 ​ Weighted average yield ​ — % 0.60 % 1.22 % 2.47 % ​ 2.44 % ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Estimated Fair Value: ​ ​ ​ ​ ​ ​ Agency mortgage-backed securities ​ $ — ​ $ 537 ​ $ 17,451 ​ $ 748,919 ​ $ 766,907 ​ Total ​ $ — ​ $ 537 ​ $ 17,451 ​ $ 748,919 ​ $ 766,907 ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Less than 1 Through 5 Through After ​ ​ (dollars in thousands) ​ 1 Year ​ 5 years ​ 10 Years ​ 10 Years ​ Total December 31, 2022 ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Amortized Cost: ​ ​ ​ ​ ​ ​ Agency mortgage-backed securities ​ $ — ​ $ 208 ​ $ 17,689 ​ $ 844,647 ​ $ 862,544 ​ Total ​ $ — ​ $ 208 ​ $ 17,689 ​ $ 844,647 ​ $ 862,544 ​ Weighted average yield ​ — % 0.36 % 1.12 % 2.31 % ​ 2.28 % ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Estimated Fair Value: ​ ​ ​ ​ ​ ​ Agency mortgage-backed securities ​ $ — ​ $ 192 ​ $ 16,148 ​ $ 756,721 ​ $ 773,061 ​ Total ​ $ — ​ $ 192 ​ $ 16,148 ​ $ 756,721 ​ $ 773,061 ​

LOANS (Tables)

LOANS (Tables)	3 Months Ended
	Mar. 31, 2023
LOANS
Summary of Loans	​ ​ ​ ​ ​ ​ ​ ​ ​ March 31, ​ December 31, (dollars in thousands) 2023 2022 Outstanding principal balance: ​ ​ ​ ​ Loans secured by real estate: ​ ​ Residential properties: ​ ​ Multifamily ​ $ 5,332,815 ​ $ 5,341,596 Single family ​ 1,008,657 ​ 1,016,498 Total real estate loans secured by residential properties ​ 6,341,472 ​ 6,358,094 Commercial properties ​ 1,155,624 ​ 1,203,292 Land and construction ​ 166,166 ​ 158,565 Total real estate loans ​ 7,663,262 ​ 7,719,951 Commercial and industrial loans ​ 2,985,984 ​ 2,984,748 Consumer loans ​ 3,862 ​ 4,481 Total loans ​ 10,653,108 ​ 10,709,180 Premiums, discounts and deferred fees and expenses ​ 16,695 ​ 17,013 Total ​ $ 10,669,803 ​ $ 10,726,193 ​
Summary of Delinquent and Nonaccrual Loans	The following table summarizes our delinquent and nonaccrual loans as of: ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Past Due and Still Accruing ​ ​ ​ ​ Total Past ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ 90 Days ​ ​ ​ ​ Due and ​ ​ ​ ​ ​ ​ (dollars in thousands) 30–59 Days 60-89 Days or More Nonaccrual Nonaccrual Current Total March 31, 2023: ​ ​ ​ ​ ​ ​ ​ Real estate loans: ​ ​ ​ ​ ​ ​ ​ Residential properties ​ $ 20,272 ​ $ — ​ $ — ​ $ 2,518 ​ $ 22,790 ​ $ 6,338,021 ​ $ 6,360,811 Commercial properties ​ 5,561 ​ — ​ 217 ​ 3,969 ​ 9,747 ​ 1,144,772 ​ 1,154,519 Land and construction ​ 521 ​ 6,835 ​ — ​ — ​ 7,356 ​ 157,860 ​ 165,216 Commercial and industrial loans ​ 1,200 ​ 233 ​ 2,227 ​ 4,694 ​ 8,354 ​ 2,977,013 ​ 2,985,367 Consumer loans ​ 10 ​ — ​ — ​ — ​ 10 ​ 3,880 ​ 3,890 Total ​ $ 27,564 ​ $ 7,068 ​ $ 2,444 ​ $ 11,181 ​ $ 48,257 ​ $ 10,621,546 ​ $ 10,669,803 ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Percentage of total loans ​ 0.26 % 0.07 % 0.02 % 0.10 % 0.45 % ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ December 31, 2022: ​ ​ ​ ​ ​ ​ ​ Real estate loans: ​ ​ ​ ​ ​ ​ ​ Residential properties ​ $ 511 ​ $ 57 ​ $ — ​ $ 2,556 ​ $ 3,124 ​ $ 6,374,100 ​ $ 6,377,224 Commercial properties ​ 15,000 ​ 946 ​ 1,213 ​ 4,547 ​ 21,706 ​ 1,180,357 ​ 1,202,063 Land and construction ​ — ​ — ​ — ​ — ​ — ​ 157,630 ​ 157,630 Commercial and industrial loans ​ 385 ​ 1,495 ​ 982 ​ 3,228 ​ 6,090 ​ 2,978,668 ​ 2,984,758 Consumer loans ​ — ​ 167 ​ — ​ — ​ 167 ​ 4,351 ​ 4,518 Total ​ $ 15,896 ​ $ 2,665 ​ $ 2,195 ​ $ 10,331 ​ $ 31,087 ​ $ 10,695,106 ​ $ 10,726,193 Percentage of total loans ​ 0.15 % 0.02 % 0.02 % 0.10 % 0.29 % ​ ​
Summary of nonaccrual loans	​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Nonaccrual ​ Nonaccrual ​ ​ with Allowance ​ with no Allowance (dollars in thousands) for Credit Losses for Credit Losses March 31, 2023: ​ ​ ​ Real estate loans: ​ ​ ​ ​ ​ ​ Residential properties ​ $ — ​ $ 2,518 Commercial properties ​ ​ — ​ ​ 3,969 Commercial and industrial loans ​ 3,672 ​ 1,022 Total ​ $ 3,672 ​ $ 7,509 ​ ​ ​ ​ ​ ​ ​ December 31, 2022: ​ ​ ​ Real estate loans: ​ ​ ​ ​ ​ ​ Residential properties ​ $ — ​ $ 2,556 Commercial properties ​ ​ — ​ ​ 4,547 Commercial and industrial loans ​ 2,016 ​ 1,212 Total ​ $ 2,016 ​ $ 8,315 ​
Composition of TDRs by Accrual and Nonaccrual Status	​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ December 31, 2022 (dollars in thousands) Accrual Nonaccrual Total Residential loans ​ $ — ​ $ — ​ $ — Commercial real estate loans ​ 929 ​ 1,066 ​ 1,995 Commercial and industrial loans ​ 166 ​ 1,412 ​ 1,578 Total ​ $ 1,095 ​ $ 2,478 ​ $ 3,573

ALLOWANCE FOR CREDIT LOSSES (Ta

ALLOWANCE FOR CREDIT LOSSES (Tables)	3 Months Ended
	Mar. 31, 2023
ALLOWANCE FOR CREDIT LOSSES
Bank's Allowance for Credit Losses	The following is a rollforward of the allowance for credit losses related to loans for the following periods: ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Provision for ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Beginning (Reduction of) ​ ​ ​ Ending (dollars in thousands) ​ Balance ​ Credit Losses ​ Charge-offs ​ Recoveries ​ Balance Three Months Ended March 31, 2023: ​ ​ ​ ​ ​ ​ Real estate loans: ​ ​ ​ ​ ​ ​ Residential properties ​ $ 8,306 ​ $ (43) ​ $ — ​ $ — ​ $ 8,263 Commercial properties ​ 8,714 ​ (2,732) ​ (249) ​ — ​ 5,733 Land and construction ​ 164 ​ 152 ​ — ​ — ​ 316 Commercial and industrial loans ​ 16,521 ​ 1,685 ​ (1,752) ​ 306 ​ 16,760 Consumer loans ​ 26 ​ (1) ​ (2) ​ — ​ 23 Total ​ $ 33,731 ​ $ (939) ​ $ (2,003) ​ $ 306 ​ $ 31,095 ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Three Months Ended March 31, 2022: ​ ​ ​ ​ ​ Real estate loans: ​ ​ ​ ​ ​ Residential properties ​ $ 2,637 ​ $ 561 ​ $ — ​ $ — ​ $ 3,198 Commercial properties ​ 17,049 ​ (1,413) ​ — ​ — ​ 15,636 Land and construction ​ 1,995 ​ (227) ​ — ​ — ​ 1,768 Commercial and industrial loans ​ 11,992 ​ 149 ​ (145) ​ 134 ​ 12,130 Consumer loans ​ 103 ​ (13) ​ — ​ — ​ 90 Total ​ $ 33,776 ​ $ (943) ​ $ (145) ​ $ 134 ​ $ 32,822 ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Year Ended December 31, 2022: ​ ​ ​ ​ ​ Real estate loans: ​ ​ ​ ​ ​ Residential properties ​ $ 2,637 ​ $ 5,674 ​ $ (5) ​ $ — ​ $ 8,306 Commercial properties ​ 17,049 ​ (8,335) ​ — ​ — ​ 8,714 Land and construction ​ 1,995 ​ (1,831) ​ — ​ — ​ 164 Commercial and industrial loans ​ 11,992 ​ 4,804 ​ (711) ​ 436 ​ 16,521 Consumer loans ​ 103 ​ (73) ​ (4) ​ — ​ 26 Total ​ $ 33,776 ​ $ 239 ​ $ (720) ​ $ 436 ​ $ 33,731 ​
Balance in Allowance for Credit Losses and Recorded Investment in Loans by Impairment	The following table presents the balance in the allowance for credit losses and the recorded investment in loans by impairment method as of: ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Allowance for Credit Losses ​ ​ ​ Loans Evaluated ​ ​ ​ ​ (dollars in thousands) Individually Collectively Total March 31, 2023: ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Allowance for credit losses: ​ ​ ​ Real estate loans: ​ ​ ​ Residential properties ​ $ 62 ​ $ 8,201 ​ $ 8,263 ​ Commercial properties ​ 1,044 ​ 4,689 ​ 5,733 ​ Land and construction ​ — ​ 316 ​ 316 ​ Commercial and industrial loans ​ 1,144 ​ 15,616 ​ 16,760 ​ Consumer loans ​ — ​ 23 ​ 23 ​ Total ​ $ 2,250 ​ $ 28,845 ​ $ 31,095 ​ Loans: ​ ​ ​ ​ Real estate loans: ​ ​ ​ ​ Residential properties ​ $ 3,428 ​ $ 6,357,383 ​ $ 6,360,811 ​ Commercial properties ​ 28,197 ​ 1,126,322 ​ 1,154,519 ​ Land and construction ​ — ​ 165,216 ​ 165,216 ​ Commercial and industrial loans ​ 5,875 ​ 2,979,492 ​ 2,985,367 ​ Consumer loans ​ — ​ 3,890 ​ 3,890 ​ Total ​ $ 37,500 ​ $ 10,632,303 ​ $ 10,669,803 ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ December 31, 2022: ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Allowance for credit losses: ​ ​ ​ ​ Real estate loans: ​ ​ ​ ​ Residential properties ​ $ 87 ​ $ 8,219 ​ $ 8,306 ​ Commercial properties ​ 1,834 ​ 6,880 ​ 8,714 ​ Land and construction ​ — ​ 164 ​ 164 ​ Commercial and industrial loans ​ 3,122 ​ 13,399 ​ 16,521 ​ Consumer loans ​ — ​ 26 ​ 26 ​ Total ​ $ 5,043 ​ $ 28,688 ​ $ 33,731 ​ Loans: ​ ​ ​ ​ Real estate loans: ​ ​ ​ ​ Residential properties ​ $ 3,479 ​ $ 6,373,745 ​ $ 6,377,224 ​ Commercial properties ​ 34,278 ​ 1,167,785 ​ 1,202,063 ​ Land and construction ​ — ​ 157,630 ​ 157,630 ​ Commercial and industrial loans ​ 9,397 ​ 2,975,361 ​ 2,984,758 ​ Consumer loans ​ — ​ 4,518 ​ 4,518 ​ Total ​ $ 47,154 ​ $ 10,679,039 ​ $ 10,726,193 ​ ​
Risk Category of Loans Based on Year of Origination	​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Revolving ​ ​ ​ (dollars in thousands) 2023 2022 2021 2020 2019 Prior Loans Total March 31, 2023: ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Loans secured by real estate: ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Residential ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Multifamily ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Pass $ 16,080 $ 2,398,706 ​ $ 1,547,733 $ 793,127 $ 297,324 ​ $ 278,675 $ — $ 5,331,645 Special mention ​ ​ — ​ ​ — ​ ​ — ​ ​ — ​ ​ 5,637 ​ ​ 11,248 ​ ​ — ​ ​ 16,885 Substandard ​ ​ — ​ ​ — ​ ​ — ​ ​ — ​ ​ — ​ ​ — ​ ​ — ​ ​ — Total $ 16,080 $ 2,398,706 ​ $ 1,547,733 $ 793,127 $ 302,961 ​ $ 289,923 $ — $ 5,348,530 Gross charge-offs ​ $ — ​ $ — ​ $ — ​ $ — ​ $ — ​ $ — ​ $ — ​ $ — ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Single family ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Pass $ 9,505 $ 269,712 ​ $ 274,013 $ 95,026 $ 39,831 ​ $ 253,304 $ 67,462 $ 1,008,853 Special mention ​ ​ — ​ ​ — ​ ​ — ​ ​ — ​ ​ — ​ ​ — ​ ​ — ​ ​ — Substandard ​ ​ — ​ ​ — ​ ​ — ​ ​ — ​ ​ — ​ ​ 3,398 ​ ​ 30 ​ ​ 3,428 Total $ 9,505 $ 269,712 ​ $ 274,013 $ 95,026 $ 39,831 ​ $ 256,702 $ 67,492 $ 1,012,281 Gross charge-offs ​ $ — ​ $ — ​ $ — ​ $ — ​ $ — ​ $ — ​ $ — ​ $ — ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Commercial real estate ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Pass $ 13,589 $ 221,479 ​ $ 157,009 $ 134,635 $ 85,223 ​ $ 477,039 $ — $ 1,088,974 Special mention ​ ​ — ​ ​ — ​ ​ — ​ ​ 2,324 ​ ​ 7,040 ​ ​ 19,138 ​ ​ — ​ ​ 28,502 Substandard ​ ​ — ​ ​ 5,864 ​ ​ 9,418 ​ ​ 698 ​ ​ 10,558 ​ ​ 10,505 ​ ​ — ​ ​ 37,043 Total $ 13,589 $ 227,343 ​ $ 166,427 $ 137,657 $ 102,821 ​ $ 506,682 $ — $ 1,154,519 Gross charge-offs ​ $ — ​ $ — ​ $ — ​ $ — ​ $ — ​ $ 249 ​ $ — ​ $ 249 ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Land and construction ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Pass $ 4,205 $ 41,435 ​ $ 62,677 $ 48,764 $ 842 ​ $ 7,293 $ — $ 165,216 Special mention ​ ​ — ​ ​ — ​ ​ — ​ ​ — ​ ​ — ​ ​ — ​ ​ — ​ ​ — Substandard ​ ​ — ​ ​ — ​ ​ — ​ ​ — ​ ​ — ​ ​ — ​ ​ — ​ ​ — Total $ 4,205 $ 41,435 ​ $ 62,677 $ 48,764 $ 842 ​ $ 7,293 $ — $ 165,216 Gross charge-offs ​ $ — ​ $ — ​ $ — ​ $ — ​ $ — ​ $ — ​ $ — ​ $ — ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Commercial ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Pass $ 52,358 $ 1,171,201 ​ $ 317,465 $ 148,594 $ 39,128 ​ $ 31,893 $ 1,182,534 $ 2,943,173 Special mention ​ ​ — ​ ​ — ​ ​ 20,671 ​ ​ 4,739 ​ ​ 192 ​ ​ — ​ ​ 4,824 ​ ​ 30,426 Substandard ​ ​ — ​ ​ — ​ ​ 365 ​ ​ 1,900 ​ ​ 1,423 ​ ​ 1,023 ​ ​ 7,057 ​ ​ 11,768 Total $ 52,358 $ 1,171,201 ​ $ 338,501 $ 155,233 $ 40,743 ​ $ 32,916 $ 1,194,415 $ 2,985,367 Gross charge-offs ​ $ — ​ $ 375 ​ $ 193 ​ $ 86 ​ $ 51 ​ $ — ​ $ 1,047 ​ $ 1,752 ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Consumer ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Pass $ 10 $ 7 ​ $ 1,069 $ — $ 332 ​ $ 173 $ 2,299 $ 3,890 Special mention ​ ​ — ​ ​ — ​ ​ — ​ ​ — ​ ​ — ​ ​ — ​ ​ — ​ ​ — Substandard ​ ​ — ​ ​ — ​ ​ — ​ ​ — ​ ​ — ​ ​ — ​ ​ — ​ ​ — Total $ 10 $ 7 ​ $ 1,069 $ — $ 332 ​ $ 173 $ 2,299 $ 3,890 Gross charge-offs ​ $ — ​ $ — ​ $ — ​ $ — ​ $ — ​ $ — ​ $ 2 ​ $ 2 ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Total loans ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Pass $ 95,747 $ 4,102,540 ​ $ 2,359,966 $ 1,220,146 $ 462,680 ​ $ 1,048,377 $ 1,252,295 $ 10,541,751 Special mention ​ ​ — ​ ​ — ​ ​ 20,671 ​ ​ 7,063 ​ ​ 12,869 ​ ​ 30,386 ​ ​ 4,824 ​ ​ 75,813 Substandard ​ ​ — ​ ​ 5,864 ​ ​ 9,783 ​ ​ 2,598 ​ ​ 11,981 ​ ​ 14,926 ​ ​ 7,087 ​ ​ 52,239 Total $ 95,747 $ 4,108,404 ​ $ 2,390,420 $ 1,229,807 $ 487,530 ​ $ 1,093,689 $ 1,264,206 $ 10,669,803 Gross charge-offs ​ $ — ​ $ 375 ​ $ 193 ​ $ 86 ​ $ 51 ​ $ 249 ​ $ 1,049 ​ $ 2,003 ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Revolving ​ ​ ​ (dollars in thousands) 2022 2021 2020 2019 2018 Prior Loans Total December 31, 2022: ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Loans secured by real estate: ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Residential ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Multifamily ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Pass $ 2,399,360 $ 1,552,311 ​ $ 795,263 $ 301,025 $ 145,675 ​ $ 146,622 $ — $ 5,340,256 Special mention ​ ​ — ​ ​ — ​ ​ — ​ ​ 5,666 ​ ​ 9,767 ​ ​ 1,545 ​ ​ — ​ ​ 16,978 Substandard ​ ​ — ​ ​ — ​ ​ — ​ ​ — ​ ​ — ​ ​ — ​ ​ — ​ ​ — Total $ 2,399,360 $ 1,552,311 ​ $ 795,263 $ 306,691 $ 155,442 ​ $ 148,167 $ — $ 5,357,234 ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Single family ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Pass $ 270,589 $ 276,244 ​ $ 96,183 $ 40,010 $ 49,676 ​ $ 215,209 $ 68,575 $ 1,016,486 Special mention ​ ​ — ​ ​ — ​ ​ — ​ ​ — ​ ​ — ​ ​ — ​ ​ 25 ​ ​ 25 Substandard ​ ​ — ​ ​ — ​ ​ — ​ ​ — ​ ​ — ​ ​ 3,434 ​ ​ 45 ​ ​ 3,479 Total $ 270,589 $ 276,244 ​ $ 96,183 $ 40,010 $ 49,676 ​ $ 218,643 $ 68,645 $ 1,019,990 ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Commercial real estate ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Pass $ 223,503 $ 158,363 ​ $ 144,105 $ 93,960 $ 171,460 ​ $ 325,048 $ — $ 1,116,439 Special mention ​ ​ — ​ ​ 13,425 ​ ​ 2,340 ​ ​ 7,088 ​ ​ 11,734 ​ ​ 7,905 ​ ​ — ​ ​ 42,492 Substandard ​ ​ 5,919 ​ ​ 14,376 ​ ​ 742 ​ ​ 10,661 ​ ​ — ​ ​ 11,434 ​ ​ — ​ ​ 43,132 Total $ 229,422 $ 186,164 ​ $ 147,187 $ 111,709 $ 183,194 ​ $ 344,387 $ — $ 1,202,063 ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Land and construction ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Pass $ 43,846 $ 58,268 ​ $ 47,212 $ 854 $ 5,044 ​ $ 2,406 $ — $ 157,630 Special mention ​ ​ — ​ ​ — ​ ​ — ​ ​ — ​ ​ — ​ ​ — ​ ​ — ​ ​ — Substandard ​ ​ — ​ ​ — ​ ​ — ​ ​ — ​ ​ — ​ ​ — ​ ​ — ​ ​ — Total $ 43,846 $ 58,268 ​ $ 47,212 $ 854 $ 5,044 ​ $ 2,406 $ — $ 157,630 ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Commercial ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Pass $ 1,176,851 $ 369,775 ​ $ 182,889 $ 62,767 $ 16,306 ​ $ 17,558 $ 1,133,998 $ 2,960,144 Special mention ​ ​ — ​ ​ 542 ​ ​ 1,212 ​ ​ 383 ​ ​ — ​ ​ — ​ ​ 5,573 ​ ​ 7,710 Substandard ​ ​ — ​ ​ 380 ​ ​ 2,125 ​ ​ 1,810 ​ ​ — ​ ​ 2,736 ​ ​ 9,853 ​ ​ 16,904 Total $ 1,176,851 $ 370,697 ​ $ 186,226 $ 64,960 $ 16,306 ​ $ 20,294 $ 1,149,424 $ 2,984,758 ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Consumer ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Pass $ 456 $ 1,092 ​ $ — $ 471 $ 133 ​ $ 69 $ 2,297 $ 4,518 Special mention ​ ​ — ​ ​ — ​ ​ — ​ ​ — ​ ​ — ​ ​ — ​ ​ — ​ ​ — Substandard ​ ​ — ​ ​ — ​ ​ — ​ ​ — ​ ​ — ​ ​ — ​ ​ — ​ ​ — Total $ 456 $ 1,092 ​ $ — $ 471 $ 133 ​ $ 69 $ 2,297 $ 4,518 ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Total loans ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Pass $ 4,114,605 $ 2,416,053 ​ $ 1,265,652 $ 499,087 $ 388,294 ​ $ 706,912 $ 1,204,870 $ 10,595,473 Special mention ​ ​ — ​ ​ 13,967 ​ ​ 3,552 ​ ​ 13,137 ​ ​ 21,501 ​ ​ 9,450 ​ ​ 5,598 ​ ​ 67,205 Substandard ​ ​ 5,919 ​ ​ 14,756 ​ ​ 2,867 ​ ​ 12,471 ​ ​ — ​ ​ 17,604 ​ ​ 9,898 ​ ​ 63,515 Total $ 4,120,524 $ 2,444,776 ​ $ 1,272,071 $ 524,695 $ 409,795 ​ $ 733,966 $ 1,220,366 $ 10,726,193 ​
Amortized Cost Basis of Collateral Dependent Loans Individually Evaluated to Determine Credit Losses and Related ACL Allocated to Loans	A loan is considered collateral dependent when the borrower is experiencing financial difficulty and repayment of the loan is expected to be provided substantially through the operation or sale of the collateral. Collateral dependent loans are evaluated individually to determine expected credit losses and any allowance for credit losses (“ACL”) allocation is determined based upon the amount by which amortized costs exceed the estimated fair value of the collateral, adjusted for estimated selling costs (if applicable). The following table presents the amortized cost basis of collateral dependent loans and the related ACL allocated to these loans as of the dates indicated: ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Equipment/ ​ ​ ​ ​ ​ ACL (dollars in thousands) ​ Real Estate ​ Cash ​ Receivables ​ Total ​ ​ Allocation March 31, 2023: ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Loans secured by real estate: ​ ​ ​ ​ ​ ​ ​ ​ Residential properties ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Single family ​ $ 2,415 ​ $ — ​ $ — ​ $ 2,415 ​ $ — Commercial real estate loans ​ 2,637 ​ — ​ — ​ 2,637 ​ — Commercial loans ​ — ​ 250 ​ — ​ 250 ​ — Total ​ $ 5,052 ​ $ 250 ​ $ — ​ $ 5,302 ​ $ — ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ December 31, 2022: ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Loans secured by real estate: ​ ​ ​ ​ ​ ​ ​ ​ Residential properties ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Single family ​ $ 2,435 ​ $ — ​ $ — ​ $ 2,435 ​ $ — Commercial real estate loans ​ 3,171 ​ — ​ — ​ 3,171 ​ — Commercial loans ​ — ​ 250 ​ 638 ​ 888 ​ 630 Total ​ $ 5,606 ​ $ 250 ​ $ 638 ​ $ 6,494 ​ $ 630

DEPOSITS (Tables)

DEPOSITS (Tables)	3 Months Ended
	Mar. 31, 2023
DEPOSITS
Summary of Outstanding Balance of Deposits and Average Rates	The following table summarizes the outstanding balance of deposits and average rates paid thereon as of: ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ March 31, 2023 ​ December 31, 2022 ​ ​ ​ ​ ​ ​ ​ Weighted ​ ​ ​ ​ Weighted ​ ​ (dollars in thousands) ​ Amount ​ Average Rate ​ Amount ​ Average Rate ​ ​ Demand deposits: ​ ​ ​ Noninterest-bearing ​ $ 2,263,412 — ​ $ 2,736,691 — ​ ​ Interest-bearing ​ 2,364,213 3.380 % 2,568,850 3.109 % ​ Money market and savings ​ 2,997,666 3.098 % 3,178,230 2.373 % ​ Certificates of deposit ​ 2,426,415 4.170 % 1,878,841 3.741 % ​ Total ​ $ 10,051,706 2.726 % $ 10,362,612 2.177 % ​ ​

EARNINGS PER SHARE (Tables)

EARNINGS PER SHARE (Tables)	3 Months Ended
	Mar. 31, 2023
EARNINGS PER SHARE
Computation of Basic and Diluted Earnings Per Share	​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Three Months Ended ​ Three Months Ended ​ ​ ​ March 31, 2023 ​ March 31, 2022 ​ (dollars in thousands, except per share amounts) ​ Basic ​ Diluted ​ Basic ​ Diluted ​ Net income $ 8,496 $ 8,496 $ 30,836 $ 30,836 ​ Basic common shares outstanding ​ 56,376,669 ​ 56,376,669 ​ 56,465,855 ​ 56,465,855 ​ Effect of options, restricted stock and contingent shares issuable ​ ​ ​ ​ ​ 33,747 ​ ​ ​ ​ ​ 99,990 ​ Diluted common shares outstanding ​ ​ 56,410,416 ​ ​ 56,565,845 ​ Earnings per share ​ $ 0.15 ​ $ 0.15 ​ $ 0.55 ​ $ 0.55 ​ ​

SEGMENT REPORTING (Tables)

SEGMENT REPORTING (Tables)	3 Months Ended
	Mar. 31, 2023
SEGMENT REPORTING
Key Operating Results of Business Segments	​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Wealth ​ ​ ​ ​ (dollars in thousands) ​ Banking ​ Management ​ Other Total Three Months Ended March 31, 2023: ​ ​ ​ ​ Interest income ​ $ 137,000 ​ $ — ​ $ — ​ $ 137,000 Interest expense ​ 76,449 ​ — ​ 1,796 ​ 78,245 Net interest income ​ 60,551 ​ — ​ (1,796) ​ 58,755 Provision for credit losses ​ 417 ​ — ​ — ​ 417 Noninterest income ​ 4,801 ​ 7,291 ​ (394) ​ 11,698 Noninterest expense ​ 51,645 ​ 6,065 ​ 1,630 ​ 59,340 Income (loss) before taxes on income ​ ​ 13,290 ​ ​ 1,226 ​ ​ (3,820) ​ ​ 10,696 Taxes on income ​ ​ 2,947 ​ ​ 364 ​ ​ (1,111) ​ ​ 2,200 Net income (loss) ​ $ 10,343 ​ $ 862 ​ $ (2,709) ​ $ 8,496 ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Three Months Ended March 31, 2022: ​ ​ ​ ​ Interest income ​ $ 79,144 ​ $ — ​ $ — ​ $ 79,144 Interest expense ​ 3,413 ​ — ​ 1,237 ​ 4,650 Net interest income ​ 75,731 ​ — ​ (1,237) ​ 74,494 Provision for credit losses ​ (792) ​ — ​ — ​ (792) Noninterest income ​ 7,531 ​ 8,345 ​ (449) ​ 15,427 Noninterest expense ​ 40,101 ​ 6,644 ​ 873 ​ 47,618 Income (loss) before taxes on income ​ ​ 43,953 ​ ​ 1,701 ​ ​ (2,559) ​ ​ 43,095 Taxes on income ​ ​ 12,715 ​ ​ 493 ​ ​ (949) ​ ​ 12,259 Net income (loss) ​ $ 31,238 ​ $ 1,208 ​ $ (1,610) ​ $ 30,836 ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​

SUMMARY OF SIGNIFICANT ACCOUN_3

SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details)	3 Months Ended
	Mar. 31, 2023 subsidiary
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES
Number of inactive wholly owned subsidiaries	2

FAIR VALUE MEASUREMENTS - Recor

FAIR VALUE MEASUREMENTS - Recorded Amounts of Assets and Liabilities Measured at Fair Value on Recurring Basis (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022	Dec. 31, 2022
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Investment securities available for sale	$ 211,324		$ 226,158
Investment in equity securities	9,758		9,767
Provision for credit losses	417	$ (792)
Specific reserves	0		0
Agency Mortgage-backed Securities
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Investment securities available for sale	7,157		7,576
Municipal bonds
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Investment securities available for sale	47,520		46,790
SBA securities
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Investment securities available for sale	16,819		18,955
Beneficial interest - FHLMC securitizations
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Investment securities available for sale	7,803		7,981
Corporate Bonds
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Investment securities available for sale	122,270		135,013
U.S. Treasury
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Investment securities available for sale	1,244		1,228
Fair Value on Recurring Basis
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Investment in equity securities	9,758		9,767
Total assets at fair value on a recurring basis	221,082		235,925
Fair Value on Recurring Basis | Collateralized mortgage obligations
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Investment securities available for sale	8,511		8,615
Fair Value on Recurring Basis | Agency Mortgage-backed Securities
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Investment securities available for sale	7,157		7,576
Fair Value on Recurring Basis | Municipal bonds
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Investment securities available for sale	47,520		46,790
Fair Value on Recurring Basis | SBA securities
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Investment securities available for sale	16,819		18,955
Fair Value on Recurring Basis | Beneficial interest - FHLMC securitizations
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Investment securities available for sale	6,830		7,981
Fair Value on Recurring Basis | Corporate Bonds
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Investment securities available for sale	123,243		135,013
Fair Value on Recurring Basis | U.S. Treasury
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Investment securities available for sale	1,244		1,228
Fair Value Measurement Level 1 | Fair Value on Recurring Basis
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Total assets at fair value on a recurring basis	1,244		1,228
Fair Value Measurement Level 1 | Fair Value on Recurring Basis | U.S. Treasury
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Investment securities available for sale	1,244		1,228
Fair Value Measurement Level 2 | Fair Value on Recurring Basis
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Total assets at fair value on a recurring basis	203,250		216,949
Fair Value Measurement Level 2 | Fair Value on Recurring Basis | Collateralized mortgage obligations
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Investment securities available for sale	8,511		8,615
Fair Value Measurement Level 2 | Fair Value on Recurring Basis | Agency Mortgage-backed Securities
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Investment securities available for sale	7,157		7,576
Fair Value Measurement Level 2 | Fair Value on Recurring Basis | Municipal bonds
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Investment securities available for sale	47,520		46,790
Fair Value Measurement Level 2 | Fair Value on Recurring Basis | SBA securities
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Investment securities available for sale	16,819		18,955
Fair Value Measurement Level 2 | Fair Value on Recurring Basis | Corporate Bonds
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Investment securities available for sale	123,243		135,013
Fair Value Measurement Level 3
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Investment in equity securities	9,758		9,767
Decrease due to securitization paydowns	300
Provision for credit losses	800
Fair Value Measurement Level 3 | Fair Value on Recurring Basis
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Investment in equity securities	9,758		9,767
Total assets at fair value on a recurring basis	16,588		17,748
Fair Value Measurement Level 3 | Fair Value on Recurring Basis | Beneficial interest - FHLMC securitizations
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Investment securities available for sale	$ 6,830		$ 7,981

FAIR VALUE MEASUREMENTS - Valua

FAIR VALUE MEASUREMENTS - Valuation assumptions (Details) - Fair Value Measurement Level 3 $ in Millions	Mar. 31, 2023 USD ($)	Dec. 31, 2022 USD ($)
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Impaired loans	$ 37.5	$ 47.2
Prepayment Rate | Minimum
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Alternative investment measurement input	0.35	0.35
Prepayment Rate | Minimum | Mortgage Servicing Rights.
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Alternative investment measurement input	0.20
Prepayment Rate | Maximum
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Alternative investment measurement input	0.34	0.34
Prepayment Rate | Maximum | Mortgage Servicing Rights.
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Alternative investment measurement input	0.30
Discount Rate | Mortgage Servicing Rights.
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Alternative investment measurement input	0.10
Discount Rate | Minimum
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Alternative investment measurement input	0.0892	0.0892
Discount Rate | Maximum
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Alternative investment measurement input	0.100	0.100

FAIR VALUE MEASUREMENTS - Carry

FAIR VALUE MEASUREMENTS - Carrying Amounts and Estimated Fair Value of Financial Instruments (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Assets:
Cash and cash equivalents	$ 1,317,129	$ 656,494
Securities AFS, net	211,324	226,158
Securities HTM	847,036	862,544
Loans, net	10,638,708	10,692,462
Investment in FHLB stock	58,716	25,358
Investment in equity securities	9,758	9,767
Liabilities:
Deposits	10,051,706	10,362,612
Borrowings	2,294,600	1,369,936
Assets Fair Value:
Cash and cash equivalents	1,317,129	656,494
Securities AFS, net	211,324	226,158
Securities HTM	766,907	773,061
Loans, net	10,302,070	10,354,052
Investment in FHLB stock	58,716	25,358
Investment in equity securities	9,758	9,767
Liabilities Fair Value:
Deposits	10,034,478	10,349,272
Borrowings	2,173,121	1,329,722
Fair Value Measurement Level 1
Assets Fair Value:
Cash and cash equivalents	1,317,129	656,494
Securities AFS, net	1,244	1,228
Liabilities Fair Value:
Deposits	7,625,291	8,483,770
Borrowings	2,020,000	1,176,601
Fair Value Measurement Level 2
Assets:
Investment in FHLB stock	58,716	25,358
Assets Fair Value:
Securities AFS, net	203,250	216,949
Securities HTM	766,907	773,061
Investment in FHLB stock	58,716	25,358
Liabilities Fair Value:
Deposits	2,409,187	1,865,502
Fair Value Measurement Level 3
Assets:
Investment in equity securities	9,758	9,767
Assets Fair Value:
Securities AFS, net	6,830	7,981
Loans, net	10,302,070	10,354,052
Investment in equity securities	9,758	9,767
Liabilities Fair Value:
Borrowings	$ 153,121	$ 153,121

SECURITIES - Summary of AFS Sec

SECURITIES - Summary of AFS Securities Portfolio (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022	Mar. 31, 2022	Dec. 31, 2021
Schedule Of Available For Sale Securities [Line Items]
Amortized Cost	$ 243,635	$ 253,085
Gross Unrealized gains	116	112
Gross Unrealized losses	(20,139)	(15,600)
Allowance for credit losses - investments	(12,288)	(11,439)	$ (10,743)	$ (10,399)
Estimated Fair Value	211,324	226,158
Collateralized mortgage obligations
Schedule Of Available For Sale Securities [Line Items]
Amortized Cost	9,585	9,865
Gross Unrealized losses	(1,074)	(1,250)
Estimated Fair Value	8,511	8,615
Agency Mortgage-backed Securities
Schedule Of Available For Sale Securities [Line Items]
Amortized Cost	7,627	8,161
Gross Unrealized losses	(470)	(585)
Estimated Fair Value	7,157	7,576
Beneficial interest - FHLMC securitizations
Schedule Of Available For Sale Securities [Line Items]
Amortized Cost	19,113	19,415
Gross Unrealized gains	110	108
Gross Unrealized losses	(105)	(103)
Allowance for credit losses - investments	(11,315)	(11,439)
Estimated Fair Value	7,803	7,981
Municipal bonds
Schedule Of Available For Sale Securities [Line Items]
Amortized Cost	50,093	50,232
Gross Unrealized gains	1
Gross Unrealized losses	(2,574)	(3,442)
Estimated Fair Value	47,520	46,790
Corporate Bonds
Schedule Of Available For Sale Securities [Line Items]
Amortized Cost	138,972	145,024
Gross Unrealized losses	(15,729)	(10,011)
Allowance for credit losses - investments	(973)
Estimated Fair Value	122,270	135,013
U.S. Treasury
Schedule Of Available For Sale Securities [Line Items]
Amortized Cost	1,298	1,298
Gross Unrealized gains	3	1
Gross Unrealized losses	(57)	(71)
Estimated Fair Value	1,244	1,228
SBA securities
Schedule Of Available For Sale Securities [Line Items]
Amortized Cost	16,947	19,090
Gross Unrealized gains	2	3
Gross Unrealized losses	(130)	(138)
Estimated Fair Value	$ 16,819	$ 18,955

SECURITIES - Additional Informa

SECURITIES - Additional Information (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2023 USD ($) instrument	Dec. 31, 2022 USD ($)
Schedule Of Available For Sale Securities [Line Items]
Investment securities available for sale	$ 211,324	$ 226,158
Estimated Fair Value	766,907	773,061
U.S. Treasury
Schedule Of Available For Sale Securities [Line Items]
Investment securities available for sale	1,244	1,228
U.S. Treasury | Asset Pledged as Collateral [Member]
Schedule Of Available For Sale Securities [Line Items]
Investment securities available for sale	1,200
Agency Mortgage-backed Securities
Schedule Of Available For Sale Securities [Line Items]
Investment securities available for sale	7,157	7,576
Estimated Fair Value	766,907	773,061
Agency Mortgage-backed Securities | Asset Pledged as Collateral [Member]
Schedule Of Available For Sale Securities [Line Items]
Investment securities available for sale	231,900
Estimated Fair Value	841,600
SBA securities
Schedule Of Available For Sale Securities [Line Items]
Investment securities available for sale	16,819	18,955
SBA securities | Asset Pledged as Collateral [Member]
Schedule Of Available For Sale Securities [Line Items]
Investment securities available for sale	184,200
Corporate Bonds
Schedule Of Available For Sale Securities [Line Items]
Investment securities available for sale	$ 122,270	$ 135,013
Number of financial instruments impacted by credit loss | instrument	7

SECURITIES - Summary of HTM Sec

SECURITIES - Summary of HTM Securities Portfolio (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Mar. 31, 2023
Schedule of Held-to-maturity Securities [Line Items]
Amortized Cost	$ 862,544	$ 847,036
Gross Unrealized Loss	(89,483)	(80,129)
Estimated Fair Value	773,061	766,907
Amount of debt securities available for sale reclassified to held to maturity	917,000
Unrealized gain (loss) on transfer of available for sale securities to held to maturity	600
Agency Mortgage-backed Securities
Schedule of Held-to-maturity Securities [Line Items]
Amortized Cost	862,544	847,036
Gross Unrealized Loss	(89,483)	(80,129)
Estimated Fair Value	$ 773,061	$ 766,907

SECURITIES - Schedule of AFS se

SECURITIES - Schedule of AFS securities in a Continuous Unrealized Loss Position Aggregated by Investment Category and Length of Time (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Schedule Of Available For Sale Securities [Line Items]
Less than 12 months, Fair Value	$ 75,022	$ 181,741
Less than 12 months, Unrealized Loss	(1,520)	(10,508)
12 months or more, Fair Value	128,594	38,657
12 months or more, Unrealized Loss	(18,619)	(5,092)
Total, Fair Value	203,616	220,398
Total, Unrealized Loss	(20,139)	(15,600)
Collateralized mortgage obligations
Schedule Of Available For Sale Securities [Line Items]
Less than 12 months, Fair Value		2
12 months or more, Fair Value	8,511	8,613
12 months or more, Unrealized Loss	(1,074)	(1,250)
Total, Fair Value	8,511	8,615
Total, Unrealized Loss	(1,074)	(1,250)
Agency Mortgage-backed Securities
Schedule Of Available For Sale Securities [Line Items]
Less than 12 months, Fair Value	1,407	6,882
Less than 12 months, Unrealized Loss	(50)	(525)
12 months or more, Fair Value	5,750	696
12 months or more, Unrealized Loss	(420)	(60)
Total, Fair Value	7,157	7,578
Total, Unrealized Loss	(470)	(585)
Beneficial interest - FHLMC securitizations
Schedule Of Available For Sale Securities [Line Items]
Less than 12 months, Fair Value	4,224	4,217
Less than 12 months, Unrealized Loss	(105)	(103)
Total, Fair Value	4,224	4,217
Total, Unrealized Loss	(105)	(103)
Municipal bonds
Schedule Of Available For Sale Securities [Line Items]
Less than 12 months, Fair Value	1,796	44,971
Less than 12 months, Unrealized Loss	(15)	(3,244)
12 months or more, Fair Value	42,108	1,819
12 months or more, Unrealized Loss	(2,559)	(198)
Total, Fair Value	43,904	46,790
Total, Unrealized Loss	(2,574)	(3,442)
Corporate Bonds
Schedule Of Available For Sale Securities [Line Items]
Less than 12 months, Fair Value	52,772	108,056
Less than 12 months, Unrealized Loss	(1,228)	(6,476)
12 months or more, Fair Value	70,472	26,957
12 months or more, Unrealized Loss	(14,501)	(3,535)
Total, Fair Value	123,244	135,013
Total, Unrealized Loss	(15,729)	(10,011)
U.S. Treasury
Schedule Of Available For Sale Securities [Line Items]
Less than 12 months, Fair Value		376
Less than 12 months, Unrealized Loss		(23)
12 months or more, Fair Value	841	451
12 months or more, Unrealized Loss	(57)	(48)
Total, Fair Value	841	827
Total, Unrealized Loss	(57)	(71)
SBA securities
Schedule Of Available For Sale Securities [Line Items]
Less than 12 months, Fair Value	14,823	17,237
Less than 12 months, Unrealized Loss	(122)	(137)
12 months or more, Fair Value	912	121
12 months or more, Unrealized Loss	(8)	(1)
Total, Fair Value	15,735	17,358
Total, Unrealized Loss	$ (130)	$ (138)

SECURITIES - Schedule of HTM se

SECURITIES - Schedule of HTM securities in a Continuous Unrealized Loss Position Aggregated by Investment Category and Length of Time (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Schedule of Held-to-maturity Securities [Line Items]
Less than 12 months, Fair Value	$ 76,301	$ 394,619
Less than 12 months, Unrecognized Loss	(6,768)	(37,418)
12 months or more, Fair Value	690,606	378,442
12 months or more, Unrecognized Loss	(73,361)	(52,065)
Total, Fair Value	766,907	773,061
Total, Unrecognized Loss	(80,129)	(89,483)
Agency Mortgage-backed Securities
Schedule of Held-to-maturity Securities [Line Items]
Less than 12 months, Fair Value	76,301	394,619
Less than 12 months, Unrecognized Loss	(6,768)	(37,418)
12 months or more, Fair Value	690,606	378,442
12 months or more, Unrecognized Loss	(73,361)	(52,065)
Total, Fair Value	766,907	773,061
Total, Unrecognized Loss	$ (80,129)	$ (89,483)

SECURITIES - Schedule of Allowa

SECURITIES - Schedule of Allowance for Credit Losses - Securities AFS (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
SECURITIES
Beginning Balance for period	$ 11,439	$ 10,399
Provision for credit losses	849	344
Ending Balance for period	$ 12,288	$ 10,743

SECURITIES - Scheduled Maturiti

SECURITIES - Scheduled Maturities of Securities AFS and the Related Weighted Average Yields (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Schedule Of Available For Sale Securities [Line Items]
Amortized cost, less than one year	$ 305	$ 6,321
Amortized cost, one through five years	56,170	53,939
Amortized cost, five through ten years	141,197	143,066
Amortized cost, after ten years	45,963	49,759
Amortized cost, total	$ 243,635	$ 253,085
Weighted average yield, less than one year	0.29%	4.36%
Weighted average yield, one through five years	4.11%	3.96%
Weighted average yield, five through ten years	3.43%	3.38%
Weighted average yield, after ten years	4.17%	1.91%
Weighted average yield, total	3.72%	3.24%
Estimated fair value, less than one year	$ 305	$ 6,314
Estimated fair value, one through five years	54,454	52,203
Estimated fair value, five through ten years	126,064	133,279
Estimated fair value, after ten years	42,789	45,801
Estimated fair value, total	223,612	237,597
Corporate Bonds
Schedule Of Available For Sale Securities [Line Items]
Amortized cost, less than one year		6,006
Amortized cost, one through five years	28,985	28,993
Amortized cost, five through ten years	104,456	104,494
Amortized cost, after ten years	5,531	5,531
Amortized cost, total	138,972	145,024
Estimated fair value, less than one year		6,001
Estimated fair value, one through five years	27,970	28,022
Estimated fair value, five through ten years	90,758	96,734
Estimated fair value, after ten years	4,515	4,256
Estimated fair value, total	123,243	135,013
U.S. Treasury
Schedule Of Available For Sale Securities [Line Items]
Amortized cost, one through five years	1,298	1,298
Amortized cost, total	1,298	1,298
Estimated fair value, one through five years	1,244	1,228
Estimated fair value, total	1,244	1,228
Agency Mortgage-backed Securities
Schedule Of Available For Sale Securities [Line Items]
Amortized cost, one through five years	5,969	4,384
Amortized cost, five through ten years		2,107
Amortized cost, after ten years	1,658	1,670
Amortized cost, total	7,627	8,161
Estimated fair value, one through five years	5,665	4,133
Estimated fair value, five through ten years		1,960
Estimated fair value, after ten years	1,492	1,483
Estimated fair value, total	7,157	7,576
Municipal bonds
Schedule Of Available For Sale Securities [Line Items]
Amortized cost, less than one year	300	301
Amortized cost, one through five years	9,280	8,002
Amortized cost, five through ten years	35,064	34,501
Amortized cost, after ten years	5,449	7,428
Amortized cost, total	50,093	50,232
Estimated fair value, less than one year	300	299
Estimated fair value, one through five years	8,944	7,565
Estimated fair value, five through ten years	33,682	32,690
Estimated fair value, after ten years	4,594	6,236
Estimated fair value, total	47,520	46,790
Beneficial interest - FHLMC securitizations
Schedule Of Available For Sale Securities [Line Items]
Amortized cost, one through five years	9,537	9,860
Amortized cost, after ten years	9,576	9,555
Amortized cost, total	19,113	19,415
Estimated fair value, one through five years	9,537	9,860
Estimated fair value, after ten years	9,581	9,560
Estimated fair value, total	19,118	19,420
SBA securities
Schedule Of Available For Sale Securities [Line Items]
Amortized cost, less than one year	5	14
Amortized cost, one through five years	1,101	1,402
Amortized cost, five through ten years	1,108	1,278
Amortized cost, after ten years	14,733	16,396
Amortized cost, total	16,947	19,090
Estimated fair value, less than one year	5	14
Estimated fair value, one through five years	1,094	1,395
Estimated fair value, five through ten years	1,103	1,272
Estimated fair value, after ten years	14,617	16,274
Estimated fair value, total	16,819	18,955
Collateralized mortgage obligations
Schedule Of Available For Sale Securities [Line Items]
Amortized cost, five through ten years	569	686
Amortized cost, after ten years	9,016	9,179
Amortized cost, total	9,585	9,865
Estimated fair value, five through ten years	521	623
Estimated fair value, after ten years	7,990	7,992
Estimated fair value, total	$ 8,511	$ 8,615

SECURITIES - Scheduled Maturi_2

SECURITIES - Scheduled Maturities of Securities HTM and the Related Weighted Average Yields (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
HTM - Amortized Cost
Amortized cost, one through five years	$ 574	$ 208
Amortized cost, five through ten years	18,925	17,689
Amortized cost, after ten years	827,537	844,647
Amortized cost, total	$ 847,036	$ 862,544
HTM - Weighted average yield
Weighted average yield, one through five years	0.60%	0.36%
Weighted average yield, five through ten years	1.22%	1.12%
Weighted average yield, after ten years	2.47%	2.31%
Weighted average yield, total	2.44%	2.28%
HTM - Estimated Fair Value
Estimated fair value, one through five years	$ 537	$ 192
Estimated fair value, five through ten years	17,451	16,148
Estimated fair value, after ten years	748,919	756,721
Estimated fair value, total	766,907	773,061
Agency Mortgage-backed Securities
HTM - Amortized Cost
Amortized cost, one through five years	574	208
Amortized cost, five through ten years	18,925	17,689
Amortized cost, after ten years	827,537	844,647
Amortized cost, total	847,036	862,544
HTM - Estimated Fair Value
Estimated fair value, one through five years	537	192
Estimated fair value, five through ten years	17,451	16,148
Estimated fair value, after ten years	748,919	756,721
Estimated fair value, total	$ 766,907	$ 773,061

LOANS - Summary of Loans (Detai

LOANS - Summary of Loans (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Accounts Notes And Loans Receivable [Line Items]
Total loans	$ 10,653,108	$ 10,709,180
Premiums, discounts and deferred fees and expenses	16,695	17,013
Total	10,669,803	10,726,193
Residential Properties
Accounts Notes And Loans Receivable [Line Items]
Total	6,360,811	6,377,224
Multifamily
Accounts Notes And Loans Receivable [Line Items]
Total	5,348,530	5,357,234
Single family
Accounts Notes And Loans Receivable [Line Items]
Total	1,012,281	1,019,990
Commercial real estate
Accounts Notes And Loans Receivable [Line Items]
Total	1,154,519	1,202,063
Land and Construction
Accounts Notes And Loans Receivable [Line Items]
Total	165,216	157,630
Commercial and Industrial Loans
Accounts Notes And Loans Receivable [Line Items]
Total loans	2,985,984	2,984,748
Total	2,985,367	2,984,758
Consumer Loans
Accounts Notes And Loans Receivable [Line Items]
Total loans	3,862	4,481
Total	3,890	4,518
Real Estate Loans
Accounts Notes And Loans Receivable [Line Items]
Total loans	7,663,262	7,719,951
Real Estate Loans | Residential Properties
Accounts Notes And Loans Receivable [Line Items]
Total loans	6,341,472	6,358,094
Total	6,360,811	6,377,224
Real Estate Loans | Multifamily
Accounts Notes And Loans Receivable [Line Items]
Total loans	5,332,815	5,341,596
Real Estate Loans | Single family
Accounts Notes And Loans Receivable [Line Items]
Total loans	1,008,657	1,016,498
Real Estate Loans | Commercial real estate
Accounts Notes And Loans Receivable [Line Items]
Total loans	1,155,624	1,203,292
Total	1,154,519	1,202,063
Real Estate Loans | Land and Construction
Accounts Notes And Loans Receivable [Line Items]
Total loans	166,166	158,565
Total	$ 165,216	$ 157,630

LOANS - Summary of Delinquent a

LOANS - Summary of Delinquent and Nonaccrual Loans (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Accounts Notes And Loans Receivable [Line Items]
Nonaccrual Past Due and Still Accruing	$ 11,181	$ 10,331
Total	$ 10,669,803	$ 10,726,193
Percentage of Total Loans Due Nonaccrual	0.10%	0.10%
Financial Asset, Past Due
Accounts Notes And Loans Receivable [Line Items]
Total	$ 48,257	$ 31,087
Percentage of Total Loans	0.45%	0.29%
30-59 Days
Accounts Notes And Loans Receivable [Line Items]
Total	$ 27,564	$ 15,896
Percentage of Total Loans Due 30-59 Days	0.26%	0.15%
60-89 Days
Accounts Notes And Loans Receivable [Line Items]
Total	$ 7,068	$ 2,665
Percentage of Total Loans Due 60-89 Days	0.07%	0.02%
90 Days or More
Accounts Notes And Loans Receivable [Line Items]
Total	$ 2,444	$ 2,195
Percentage of Total Loans Due 90 Days or More	0.02%	0.02%
Financial Asset, Not Past Due
Accounts Notes And Loans Receivable [Line Items]
Total	$ 10,621,546	$ 10,695,106
Residential Properties
Accounts Notes And Loans Receivable [Line Items]
Total	6,360,811	6,377,224
Commercial real estate
Accounts Notes And Loans Receivable [Line Items]
Total	1,154,519	1,202,063
Land and Construction
Accounts Notes And Loans Receivable [Line Items]
Total	165,216	157,630
Commercial and Industrial Loans
Accounts Notes And Loans Receivable [Line Items]
Nonaccrual Past Due and Still Accruing	4,694	3,228
Total	2,985,367	2,984,758
Commercial and Industrial Loans | Financial Asset, Past Due
Accounts Notes And Loans Receivable [Line Items]
Total	8,354	6,090
Commercial and Industrial Loans | 30-59 Days
Accounts Notes And Loans Receivable [Line Items]
Total	1,200	385
Commercial and Industrial Loans | 60-89 Days
Accounts Notes And Loans Receivable [Line Items]
Total	233	1,495
Commercial and Industrial Loans | 90 Days or More
Accounts Notes And Loans Receivable [Line Items]
Total	2,227	982
Commercial and Industrial Loans | Financial Asset, Not Past Due
Accounts Notes And Loans Receivable [Line Items]
Total	2,977,013	2,978,668
Consumer Loans
Accounts Notes And Loans Receivable [Line Items]
Total	3,890	4,518
Consumer Loans | Financial Asset, Past Due
Accounts Notes And Loans Receivable [Line Items]
Total	10	167
Consumer Loans | 30-59 Days
Accounts Notes And Loans Receivable [Line Items]
Total	10
Consumer Loans | 60-89 Days
Accounts Notes And Loans Receivable [Line Items]
Total		167
Consumer Loans | Financial Asset, Not Past Due
Accounts Notes And Loans Receivable [Line Items]
Total	3,880	4,351
Real Estate Loans | Residential Properties
Accounts Notes And Loans Receivable [Line Items]
Nonaccrual Past Due and Still Accruing	2,518	2,556
Total	6,360,811	6,377,224
Real Estate Loans | Residential Properties | Financial Asset, Past Due
Accounts Notes And Loans Receivable [Line Items]
Total	22,790	3,124
Real Estate Loans | Residential Properties | 30-59 Days
Accounts Notes And Loans Receivable [Line Items]
Total	20,272	511
Real Estate Loans | Residential Properties | 60-89 Days
Accounts Notes And Loans Receivable [Line Items]
Total		57
Real Estate Loans | Residential Properties | Financial Asset, Not Past Due
Accounts Notes And Loans Receivable [Line Items]
Total	6,338,021	6,374,100
Real Estate Loans | Commercial real estate
Accounts Notes And Loans Receivable [Line Items]
Nonaccrual Past Due and Still Accruing	3,969	4,547
Total	1,154,519	1,202,063
Real Estate Loans | Commercial real estate | Financial Asset, Past Due
Accounts Notes And Loans Receivable [Line Items]
Total	9,747	21,706
Real Estate Loans | Commercial real estate | 30-59 Days
Accounts Notes And Loans Receivable [Line Items]
Total	5,561	15,000
Real Estate Loans | Commercial real estate | 60-89 Days
Accounts Notes And Loans Receivable [Line Items]
Total		946
Real Estate Loans | Commercial real estate | 90 Days or More
Accounts Notes And Loans Receivable [Line Items]
Total	217	1,213
Real Estate Loans | Commercial real estate | Financial Asset, Not Past Due
Accounts Notes And Loans Receivable [Line Items]
Total	1,144,772	1,180,357
Real Estate Loans | Land and Construction
Accounts Notes And Loans Receivable [Line Items]
Total	165,216	157,630
Real Estate Loans | Land and Construction | Financial Asset, Past Due
Accounts Notes And Loans Receivable [Line Items]
Total	7,356
Real Estate Loans | Land and Construction | 30-59 Days
Accounts Notes And Loans Receivable [Line Items]
Total	521
Real Estate Loans | Land and Construction | 60-89 Days
Accounts Notes And Loans Receivable [Line Items]
Total	6,835
Real Estate Loans | Land and Construction | Financial Asset, Not Past Due
Accounts Notes And Loans Receivable [Line Items]
Total	$ 157,860	$ 157,630

LOANS - Summary of Nonaccrual L

LOANS - Summary of Nonaccrual Loans (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2023 USD ($) item	Dec. 31, 2022 USD ($)
Accounts Notes And Loans Receivable [Line Items]
Nonaccrual with Allowance for Credit Losses	$ 3,672	$ 2,016
Nonaccrual with No Allowance for Credit Losses	$ 7,509	8,315
Modifications to number of contracts | item	0
Modifications to borrowers, Outstanding number of contracts | item	0
Commercial and Industrial Loans
Accounts Notes And Loans Receivable [Line Items]
Nonaccrual with Allowance for Credit Losses	$ 3,672	2,016
Nonaccrual with No Allowance for Credit Losses	1,022	1,212
Real Estate Loans | Residential Properties
Accounts Notes And Loans Receivable [Line Items]
Nonaccrual with No Allowance for Credit Losses	2,518	2,556
Real Estate Loans | Commercial real estate
Accounts Notes And Loans Receivable [Line Items]
Nonaccrual with No Allowance for Credit Losses	$ 3,969	$ 4,547

LOANS - Composition of TDRs by

LOANS - Composition of TDRs by Accrual and Nonaccrual Status (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Accounts Notes And Loans Receivable [Line Items]
Troubled Debt Restructurings, Nonaccrual	$ 11,181	$ 10,331
Commercial and Industrial Loans
Accounts Notes And Loans Receivable [Line Items]
Troubled Debt Restructurings, Nonaccrual	$ 4,694	3,228
Principal Reduction And Extended Maturity
Accounts Notes And Loans Receivable [Line Items]
Troubled Debt Restructurings, Accrual		1,095
Troubled Debt Restructurings, Nonaccrual		2,478
Troubled Debt Restructurings, Total		3,573
Principal Reduction And Extended Maturity | Commercial real estate
Accounts Notes And Loans Receivable [Line Items]
Troubled Debt Restructurings, Accrual		929
Troubled Debt Restructurings, Nonaccrual		1,066
Troubled Debt Restructurings, Total		1,995
Principal Reduction And Extended Maturity | Commercial and Industrial Loans
Accounts Notes And Loans Receivable [Line Items]
Troubled Debt Restructurings, Accrual		166
Troubled Debt Restructurings, Nonaccrual		1,412
Troubled Debt Restructurings, Total		$ 1,578

ALLOWANCE FOR CREDIT LOSSES - B

ALLOWANCE FOR CREDIT LOSSES - Bank's Allowance for Credit Losses (Details) - USD ($) $ in Thousands	3 Months Ended		12 Months Ended
	Mar. 31, 2023	Mar. 31, 2022	Dec. 31, 2022
Financing Receivable Allowance For Credit Losses [Line Items]
Beginning Balance	$ 33,731	$ 33,776	$ 33,776
Provision for (Reduction of) Credit Losses	(939)	(943)	239
Charge-offs	(2,003)	(145)	(720)
Recoveries	306	134	436
Ending Balance	31,095	32,822	33,731
Residential Properties
Financing Receivable Allowance For Credit Losses [Line Items]
Beginning Balance	8,306	2,637	2,637
Provision for (Reduction of) Credit Losses	(43)	561	5,674
Charge-offs			(5)
Ending Balance	8,263	3,198	8,306
Commercial real estate
Financing Receivable Allowance For Credit Losses [Line Items]
Beginning Balance	8,714	17,049	17,049
Provision for (Reduction of) Credit Losses	(2,732)	(1,413)	(8,335)
Charge-offs	(249)
Ending Balance	5,733	15,636	8,714
Land and Construction
Financing Receivable Allowance For Credit Losses [Line Items]
Beginning Balance	164	1,995	1,995
Provision for (Reduction of) Credit Losses	152	(227)	(1,831)
Ending Balance	316	1,768	164
Commercial and Industrial Loans
Financing Receivable Allowance For Credit Losses [Line Items]
Beginning Balance	16,521	11,992	11,992
Provision for (Reduction of) Credit Losses	1,685	149	4,804
Charge-offs	(1,752)	(145)	(711)
Recoveries	306	134	436
Ending Balance	16,760	12,130	16,521
Consumer Loans
Financing Receivable Allowance For Credit Losses [Line Items]
Beginning Balance	26	103	103
Provision for (Reduction of) Credit Losses	(1)	(13)	(73)
Charge-offs	(2)		(4)
Ending Balance	$ 23	$ 90	$ 26

ALLOWANCE FOR CREDIT LOSSES -_2

ALLOWANCE FOR CREDIT LOSSES - Balance in Allowance for Credit Losses and Recorded Investment in Loans by Impairment (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Financing Receivable Impaired [Line Items]
Allowance for Credit Losses, Individually Evaluated for Impairment	$ 2,250	$ 5,043
Allowance for Credit Losses, Collectively Evaluated for Impairment	28,845	28,688
Total Allowance for Credit Losses	31,095	33,731
Loans, Individually Evaluated for Impairment	37,500	47,154
Loans, Collectively Evaluated for Impairment	10,632,303	10,679,039
Total Allowance for Credit Losses	31,095	33,731
Total	10,669,803	10,726,193
Residential Properties
Financing Receivable Impaired [Line Items]
Allowance for Credit Losses, Individually Evaluated for Impairment	62	87
Allowance for Credit Losses, Collectively Evaluated for Impairment	8,201	8,219
Total Allowance for Credit Losses	8,263	8,306
Loans, Individually Evaluated for Impairment	3,428	3,479
Loans, Collectively Evaluated for Impairment	6,357,383	6,373,745
Total	6,360,811	6,377,224
Commercial real estate
Financing Receivable Impaired [Line Items]
Allowance for Credit Losses, Individually Evaluated for Impairment	1,044	1,834
Allowance for Credit Losses, Collectively Evaluated for Impairment	4,689	6,880
Total Allowance for Credit Losses	5,733	8,714
Loans, Individually Evaluated for Impairment	28,197	34,278
Loans, Collectively Evaluated for Impairment	1,126,322	1,167,785
Total	1,154,519	1,202,063
Land and Construction
Financing Receivable Impaired [Line Items]
Allowance for Credit Losses, Collectively Evaluated for Impairment	316	164
Total Allowance for Credit Losses	316	164
Loans, Collectively Evaluated for Impairment	165,216	157,630
Total	165,216	157,630
Commercial and Industrial Loans
Financing Receivable Impaired [Line Items]
Allowance for Credit Losses, Individually Evaluated for Impairment	1,144	3,122
Allowance for Credit Losses, Collectively Evaluated for Impairment	15,616	13,399
Total Allowance for Credit Losses	16,760	16,521
Loans, Individually Evaluated for Impairment	5,875	9,397
Loans, Collectively Evaluated for Impairment	2,979,492	2,975,361
Total	2,985,367	2,984,758
Consumer Loans
Financing Receivable Impaired [Line Items]
Allowance for Credit Losses, Collectively Evaluated for Impairment	23	26
Total Allowance for Credit Losses	23	26
Loans, Collectively Evaluated for Impairment	3,890	4,518
Total	$ 3,890	$ 4,518

ALLOWANCE FOR CREDIT LOSSES - R

ALLOWANCE FOR CREDIT LOSSES - Risk Category of Loans Based on Year of Origination (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Dec. 31, 2022
Financing Receivable Recorded Investment [Line Items]
Financing Receivable Originated In Current Fiscal Year	$ 95,747	$ 4,120,524
Financing Receivable Originated In Fiscal Year Before Latest Fiscal Year	4,108,404	2,444,776
Financing Receivable Originated Two Years Before Latest Fiscal Year	2,390,420	1,272,071
Financing Receivable Originated Three Years Before Latest Fiscal Year	1,229,807	524,695
Financing Receivable Originated Four Years Before Latest Fiscal Year	487,530	409,795
Prior	1,093,689	733,966
Revolving Loans	1,264,206	1,220,366
Total	10,669,803	10,726,193
Financing Receivable Recorded Investment
Gross charge-offs Originated In Fiscal Year Before Latest Fiscal Year	375
Gross charge-offs Originated Two Years Before Latest Fiscal Year	193
Gross charge-offs Originated Three Years Before Latest Fiscal Year	86
Gross charge-offs Originated Four Years Before Latest Fiscal Year	51
Gross charge-offs Prior	249
Gross charge-offs Revolving Loans	1,049
Gross charge-offs Total loans	2,003
Pass
Financing Receivable Recorded Investment [Line Items]
Financing Receivable Originated In Current Fiscal Year	95,747	4,114,605
Financing Receivable Originated In Fiscal Year Before Latest Fiscal Year	4,102,540	2,416,053
Financing Receivable Originated Two Years Before Latest Fiscal Year	2,359,966	1,265,652
Financing Receivable Originated Three Years Before Latest Fiscal Year	1,220,146	499,087
Financing Receivable Originated Four Years Before Latest Fiscal Year	462,680	388,294
Prior	1,048,377	706,912
Revolving Loans	1,252,295	1,204,870
Total	10,541,751	10,595,473
Special mention
Financing Receivable Recorded Investment [Line Items]
Financing Receivable Originated In Fiscal Year Before Latest Fiscal Year		13,967
Financing Receivable Originated Two Years Before Latest Fiscal Year	20,671	3,552
Financing Receivable Originated Three Years Before Latest Fiscal Year	7,063	13,137
Financing Receivable Originated Four Years Before Latest Fiscal Year	12,869	21,501
Prior	30,386	9,450
Revolving Loans	4,824	5,598
Total	75,813	67,205
Substandard
Financing Receivable Recorded Investment [Line Items]
Financing Receivable Originated In Current Fiscal Year		5,919
Financing Receivable Originated In Fiscal Year Before Latest Fiscal Year	5,864	14,756
Financing Receivable Originated Two Years Before Latest Fiscal Year	9,783	2,867
Financing Receivable Originated Three Years Before Latest Fiscal Year	2,598	12,471
Financing Receivable Originated Four Years Before Latest Fiscal Year	11,981
Prior	14,926	17,604
Revolving Loans	7,087	9,898
Total	52,239	63,515
Residential Properties
Financing Receivable Recorded Investment [Line Items]
Total	6,360,811	6,377,224
Multifamily
Financing Receivable Recorded Investment [Line Items]
Financing Receivable Originated In Current Fiscal Year	16,080	2,399,360
Financing Receivable Originated In Fiscal Year Before Latest Fiscal Year	2,398,706	1,552,311
Financing Receivable Originated Two Years Before Latest Fiscal Year	1,547,733	795,263
Financing Receivable Originated Three Years Before Latest Fiscal Year	793,127	306,691
Financing Receivable Originated Four Years Before Latest Fiscal Year	302,961	155,442
Prior	289,923	148,167
Total	5,348,530	5,357,234
Multifamily | Pass
Financing Receivable Recorded Investment [Line Items]
Financing Receivable Originated In Current Fiscal Year	16,080	2,399,360
Financing Receivable Originated In Fiscal Year Before Latest Fiscal Year	2,398,706	1,552,311
Financing Receivable Originated Two Years Before Latest Fiscal Year	1,547,733	795,263
Financing Receivable Originated Three Years Before Latest Fiscal Year	793,127	301,025
Financing Receivable Originated Four Years Before Latest Fiscal Year	297,324	145,675
Prior	278,675	146,622
Total	5,331,645	5,340,256
Multifamily | Special mention
Financing Receivable Recorded Investment [Line Items]
Financing Receivable Originated Three Years Before Latest Fiscal Year		5,666
Financing Receivable Originated Four Years Before Latest Fiscal Year	5,637	9,767
Prior	11,248	1,545
Total	16,885	16,978
Single family
Financing Receivable Recorded Investment [Line Items]
Financing Receivable Originated In Current Fiscal Year	9,505	270,589
Financing Receivable Originated In Fiscal Year Before Latest Fiscal Year	269,712	276,244
Financing Receivable Originated Two Years Before Latest Fiscal Year	274,013	96,183
Financing Receivable Originated Three Years Before Latest Fiscal Year	95,026	40,010
Financing Receivable Originated Four Years Before Latest Fiscal Year	39,831	49,676
Prior	256,702	218,643
Revolving Loans	67,492	68,645
Total	1,012,281	1,019,990
Single family | Pass
Financing Receivable Recorded Investment [Line Items]
Financing Receivable Originated In Current Fiscal Year	9,505	270,589
Financing Receivable Originated In Fiscal Year Before Latest Fiscal Year	269,712	276,244
Financing Receivable Originated Two Years Before Latest Fiscal Year	274,013	96,183
Financing Receivable Originated Three Years Before Latest Fiscal Year	95,026	40,010
Financing Receivable Originated Four Years Before Latest Fiscal Year	39,831	49,676
Prior	253,304	215,209
Revolving Loans	67,462	68,575
Total	1,008,853	1,016,486
Single family | Special mention
Financing Receivable Recorded Investment [Line Items]
Revolving Loans		25
Total		25
Single family | Substandard
Financing Receivable Recorded Investment [Line Items]
Prior	3,398	3,434
Revolving Loans	30	45
Total	3,428	3,479
Commercial real estate
Financing Receivable Recorded Investment [Line Items]
Financing Receivable Originated In Current Fiscal Year	13,589	229,422
Financing Receivable Originated In Fiscal Year Before Latest Fiscal Year	227,343	186,164
Financing Receivable Originated Two Years Before Latest Fiscal Year	166,427	147,187
Financing Receivable Originated Three Years Before Latest Fiscal Year	137,657	111,709
Financing Receivable Originated Four Years Before Latest Fiscal Year	102,821	183,194
Prior	506,682	344,387
Total	1,154,519	1,202,063
Financing Receivable Recorded Investment
Gross charge-offs Prior	249
Gross charge-offs Total loans	249
Commercial real estate | Pass
Financing Receivable Recorded Investment [Line Items]
Financing Receivable Originated In Current Fiscal Year	13,589	223,503
Financing Receivable Originated In Fiscal Year Before Latest Fiscal Year	221,479	158,363
Financing Receivable Originated Two Years Before Latest Fiscal Year	157,009	144,105
Financing Receivable Originated Three Years Before Latest Fiscal Year	134,635	93,960
Financing Receivable Originated Four Years Before Latest Fiscal Year	85,223	171,460
Prior	477,039	325,048
Total	1,088,974	1,116,439
Commercial real estate | Special mention
Financing Receivable Recorded Investment [Line Items]
Financing Receivable Originated In Fiscal Year Before Latest Fiscal Year		13,425
Financing Receivable Originated Two Years Before Latest Fiscal Year		2,340
Financing Receivable Originated Three Years Before Latest Fiscal Year	2,324	7,088
Financing Receivable Originated Four Years Before Latest Fiscal Year	7,040	11,734
Prior	19,138	7,905
Total	28,502	42,492
Commercial real estate | Substandard
Financing Receivable Recorded Investment [Line Items]
Financing Receivable Originated In Current Fiscal Year		5,919
Financing Receivable Originated In Fiscal Year Before Latest Fiscal Year	5,864	14,376
Financing Receivable Originated Two Years Before Latest Fiscal Year	9,418	742
Financing Receivable Originated Three Years Before Latest Fiscal Year	698	10,661
Financing Receivable Originated Four Years Before Latest Fiscal Year	10,558
Prior	10,505	11,434
Total	37,043	43,132
Land and Construction
Financing Receivable Recorded Investment [Line Items]
Financing Receivable Originated In Current Fiscal Year	4,205	43,846
Financing Receivable Originated In Fiscal Year Before Latest Fiscal Year	41,435	58,268
Financing Receivable Originated Two Years Before Latest Fiscal Year	62,677	47,212
Financing Receivable Originated Three Years Before Latest Fiscal Year	48,764	854
Financing Receivable Originated Four Years Before Latest Fiscal Year	842	5,044
Prior	7,293	2,406
Total	165,216	157,630
Land and Construction | Pass
Financing Receivable Recorded Investment [Line Items]
Financing Receivable Originated In Current Fiscal Year	4,205	43,846
Financing Receivable Originated In Fiscal Year Before Latest Fiscal Year	41,435	58,268
Financing Receivable Originated Two Years Before Latest Fiscal Year	62,677	47,212
Financing Receivable Originated Three Years Before Latest Fiscal Year	48,764	854
Financing Receivable Originated Four Years Before Latest Fiscal Year	842	5,044
Prior	7,293	2,406
Total	165,216	157,630
Commercial and Industrial Loans
Financing Receivable Recorded Investment [Line Items]
Financing Receivable Originated In Current Fiscal Year	52,358	1,176,851
Financing Receivable Originated In Fiscal Year Before Latest Fiscal Year	1,171,201	370,697
Financing Receivable Originated Two Years Before Latest Fiscal Year	338,501	186,226
Financing Receivable Originated Three Years Before Latest Fiscal Year	155,233	64,960
Financing Receivable Originated Four Years Before Latest Fiscal Year	40,743	16,306
Prior	32,916	20,294
Revolving Loans	1,194,415	1,149,424
Total	2,985,367	2,984,758
Financing Receivable Recorded Investment
Gross charge-offs Originated In Fiscal Year Before Latest Fiscal Year	375
Gross charge-offs Originated Two Years Before Latest Fiscal Year	193
Gross charge-offs Originated Three Years Before Latest Fiscal Year	86
Gross charge-offs Originated Four Years Before Latest Fiscal Year	51
Gross charge-offs Revolving Loans	1,047
Gross charge-offs Total loans	1,752
Commercial and Industrial Loans | Pass
Financing Receivable Recorded Investment [Line Items]
Financing Receivable Originated In Current Fiscal Year	52,358	1,176,851
Financing Receivable Originated In Fiscal Year Before Latest Fiscal Year	1,171,201	369,775
Financing Receivable Originated Two Years Before Latest Fiscal Year	317,465	182,889
Financing Receivable Originated Three Years Before Latest Fiscal Year	148,594	62,767
Financing Receivable Originated Four Years Before Latest Fiscal Year	39,128	16,306
Prior	31,893	17,558
Revolving Loans	1,182,534	1,133,998
Total	2,943,173	2,960,144
Commercial and Industrial Loans | Special mention
Financing Receivable Recorded Investment [Line Items]
Financing Receivable Originated In Fiscal Year Before Latest Fiscal Year		542
Financing Receivable Originated Two Years Before Latest Fiscal Year	20,671	1,212
Financing Receivable Originated Three Years Before Latest Fiscal Year	4,739	383
Financing Receivable Originated Four Years Before Latest Fiscal Year	192
Revolving Loans	4,824	5,573
Total	30,426	7,710
Commercial and Industrial Loans | Substandard
Financing Receivable Recorded Investment [Line Items]
Financing Receivable Originated In Fiscal Year Before Latest Fiscal Year		380
Financing Receivable Originated Two Years Before Latest Fiscal Year	365	2,125
Financing Receivable Originated Three Years Before Latest Fiscal Year	1,900	1,810
Financing Receivable Originated Four Years Before Latest Fiscal Year	1,423
Prior	1,023	2,736
Revolving Loans	7,057	9,853
Total	11,768	16,904
Consumer Loans
Financing Receivable Recorded Investment [Line Items]
Financing Receivable Originated In Current Fiscal Year	10	456
Financing Receivable Originated In Fiscal Year Before Latest Fiscal Year	7	1,092
Financing Receivable Originated Two Years Before Latest Fiscal Year	1,069
Financing Receivable Originated Three Years Before Latest Fiscal Year		471
Financing Receivable Originated Four Years Before Latest Fiscal Year	332	133
Prior	173	69
Revolving Loans	2,299	2,297
Total	3,890	4,518
Financing Receivable Recorded Investment
Gross charge-offs Revolving Loans	2
Gross charge-offs Total loans	2
Consumer Loans | Pass
Financing Receivable Recorded Investment [Line Items]
Financing Receivable Originated In Current Fiscal Year	10	456
Financing Receivable Originated In Fiscal Year Before Latest Fiscal Year	7	1,092
Financing Receivable Originated Two Years Before Latest Fiscal Year	1,069
Financing Receivable Originated Three Years Before Latest Fiscal Year		471
Financing Receivable Originated Four Years Before Latest Fiscal Year	332	133
Prior	173	69
Revolving Loans	2,299	2,297
Total	$ 3,890	$ 4,518

ALLOWANCE FOR CREDIT LOSSES - A

ALLOWANCE FOR CREDIT LOSSES - Amortized Cost Basis of Collateral Dependent Loans Individually Evaluated to Determine Credit Losses and Related ACL Allocated to Loans (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Financing Receivable Allowance For Credit Losses [Line Items]
Total Allowance for Credit Losses	$ 31,095	$ 33,731
Collateral Dependent Loans
Financing Receivable Allowance For Credit Losses [Line Items]
Amortized cost	5,302	6,494
Total Allowance for Credit Losses		630
Collateral Dependent Loans | Real Estate
Financing Receivable Allowance For Credit Losses [Line Items]
Amortized cost	5,052	5,606
Collateral Dependent Loans | Cash
Financing Receivable Allowance For Credit Losses [Line Items]
Amortized cost	250	250
Collateral Dependent Loans | Equipment/Receivables
Financing Receivable Allowance For Credit Losses [Line Items]
Amortized cost		638
Collateral Dependent Loans | Single family
Financing Receivable Allowance For Credit Losses [Line Items]
Amortized cost	2,415	2,435
Collateral Dependent Loans | Single family | Real Estate
Financing Receivable Allowance For Credit Losses [Line Items]
Amortized cost	2,415	2,435
Collateral Dependent Loans | Commercial real estate
Financing Receivable Allowance For Credit Losses [Line Items]
Amortized cost	2,637	3,171
Collateral Dependent Loans | Commercial real estate | Real Estate
Financing Receivable Allowance For Credit Losses [Line Items]
Amortized cost	2,637	3,171
Collateral Dependent Loans | Commercial and Industrial Loans
Financing Receivable Allowance For Credit Losses [Line Items]
Amortized cost	250	888
Total Allowance for Credit Losses		630
Collateral Dependent Loans | Commercial and Industrial Loans | Cash
Financing Receivable Allowance For Credit Losses [Line Items]
Amortized cost	$ 250	250
Collateral Dependent Loans | Commercial and Industrial Loans | Equipment/Receivables
Financing Receivable Allowance For Credit Losses [Line Items]
Amortized cost		$ 638

GOODWILL AND INTANGIBLES (Detai

GOODWILL AND INTANGIBLES (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022	Dec. 31, 2022
GOODWILL AND INTANGIBLES
Goodwill	$ 215.2		$ 215.2
Core Deposit
GOODWILL AND INTANGIBLES
Core deposit intangible assets	6.2		$ 6.6
Core deposit intangible amortization expense	$ 0.4	$ 0.5
Minimum
GOODWILL AND INTANGIBLES
Estimated useful lives of other intangible assets	7 years
Maximum
GOODWILL AND INTANGIBLES
Estimated useful lives of other intangible assets	10 years

LOAN SALES AND MORTGAGE SERVI_2

LOAN SALES AND MORTGAGE SERVICING RIGHTS (Details) - First Foundation Bank - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022	Dec. 31, 2022
Loan Sales And Mortgage Servicing Rights [Line Items]
Mortgage servicing rights	$ 5.9		$ 5.9
Loans serviced for other financial institution	1,000		1,100
Valuation allowance of mortgage servicing rights	0.8		$ 1.4
Servicing fees earned on loans	$ 0.6	$ 0.9
Contractually Specified Servicing Fee Income, Statement of Income or Comprehensive Income [Extensible Enumeration]	Noninterest Income Other Operating Income	Noninterest Income Other Operating Income

DEPOSITS - Summary of Outstandi

DEPOSITS - Summary of Outstanding Balance of Deposits and Average Rates (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
DEPOSITS
Demand deposits, Noninterest-bearing	$ 2,263,412	$ 2,736,691
Demand deposits, Interest-bearing	2,364,213	2,568,850
Money market and savings	2,997,666	3,178,230
Certificates of deposits	2,426,415	1,878,841
Total	$ 10,051,706	$ 10,362,612
Demand deposits, Interest-bearing, Weighted Average Rate	3.38%	3.109%
Money market and savings, Weighted Average Rate	3.098%	2.373%
Certificates of deposits, Weighted Average Rate	4.17%	3.741%
Total, Weighted Average Rate	2.726%	2.177%

DEPOSITS - Additional Informati

DEPOSITS - Additional Information (Details) - USD ($) $ in Millions	Mar. 31, 2023	Dec. 31, 2022
DEPOSITS
Certificates of deposits of $250,000 or more, maturities within one year	$ 442	$ 409
Certificates of deposits of $250,000 or more, maturities after one year	19	27
Certificates of deposits of $250,000 or more, total	461	436
Certificates of deposit of less than $ 250,000, maturities within one year	1,500	1,100
Certificates of deposit of less than $ 250,000, maturities after one year	480	345
Certificates of deposit of less than $250,000, total	$ 2,000	$ 1,400

BORROWINGS (Details)

BORROWINGS (Details) $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 31, 2023 USD ($) Institution	Dec. 31, 2017 USD ($)	Dec. 31, 2022 USD ($)
Debt Instrument [Line Items]
Subordinated notes	$ 174,000
Federal funds purchased			$ 200,000
Long-term line of credit	0		0
Borrowing in short-term FHLB	1,000,000
Federal Home Loan Bank, maximum borrowing capacity	930,000
FHLB advances	1,000,000		805,000
Federal Home Loan Bank, additional credit available	$ 315,000
Interest rate (as a percent)	5.08%
Unsecured debt	$ 245,000
Number of financial institutions | Institution	5
Financial institutions with outstanding borrowings | Institution	1
Securities pledged as collateral	$ 184,200		$ 186,300
Weighted average rate	8.05%		8%
Notes Receivable Gross	$ 10,669,803		$ 10,726,193
Minimum
Debt Instrument [Line Items]
Unsecured debt	20,000
Maximum
Debt Instrument [Line Items]
Unsecured debt	100,000
Revolving Credit Facility
Debt Instrument [Line Items]
Long-term line of credit	20,000		20,000
Line of credit, borrowing capacity		$ 20,000
Revolving Credit Facility | 90 Day LIBOR
Debt Instrument [Line Items]
Debt instrument basis point rate		0.50%
Asset pledged as collateral
Debt Instrument [Line Items]
Notes Receivable Gross	5,400,000
Subordinated Notes Due 2030
Debt Instrument [Line Items]
Subordinated notes	$ 24,000
Line of credit facility, Interest rate	6%
Secured debt	$ 101,000		171,000
Subordinated Notes Due 2030 | Secured Overnight Financing Rate (SOFR)
Debt Instrument [Line Items]
Debt instrument basis point rate	5.90%
Subordinated Notes Due 2032
Debt Instrument [Line Items]
Subordinated notes	$ 150,000
Interest rate (as a percent)	3.50%
Subordinated Notes Due 2032 | Secured Overnight Financing Rate (SOFR)
Debt Instrument [Line Items]
Debt instrument basis point rate	2.04%
Overnight FHLB Advance
Debt Instrument [Line Items]
Interest rate (as a percent)	5.11%
Unsecured federal funds
Debt Instrument [Line Items]
Unsecured debt	$ 0		100,000
Additional Unsecured Debt			100,000
Federal reserve bank of San Francisco
Debt Instrument [Line Items]
Remaining borrowing capacity	841,600
FFI
Debt Instrument [Line Items]
Long-term line of credit	20,000		20,000
FFI | Subordinated Notes Due 2030
Debt Instrument [Line Items]
Subordinated notes	$ 174,000		$ 174,000

EARNINGS PER SHARE - Computatio

EARNINGS PER SHARE - Computation of Basic and Diluted Earnings Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
EARNINGS PER SHARE
Net income, Basic	$ 8,496	$ 30,836
Basic common shares outstanding	56,376,669	56,465,855
Earnings per share, Basic	$ 0.15	$ 0.55
Net income, Diluted	$ 8,496	$ 30,836
Effect of options, restricted stock and contingent shares issuable	33,747	99,990
Diluted common shares outstanding	56,410,416	56,565,845
Earnings per share, Diluted	$ 0.15	$ 0.55

SEGMENT REPORTING (Details)

SEGMENT REPORTING (Details) - segment	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
SEGMENT REPORTING
Reportable business segments	2	2

SEGMENT REPORTING - Key Operati

SEGMENT REPORTING - Key Operating Results of Business Segments (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Segment Reporting Information [Line Items]
Interest income	$ 137,000	$ 79,144
Interest expense	78,245	4,650
Net interest income	58,755	74,494
Provision for credit losses	417	(792)
Noninterest income	11,698	15,427
Noninterest expense	59,340	47,618
Income (loss) before taxes on income	10,696	43,095
Taxes on income	2,200	12,259
Net income (loss)	8,496	30,836
Operating Segments | Banking
Segment Reporting Information [Line Items]
Interest income	137,000	79,144
Interest expense	76,449	3,413
Net interest income	60,551	75,731
Provision for credit losses	417	(792)
Noninterest income	4,801	7,531
Noninterest expense	51,645	40,101
Income (loss) before taxes on income	13,290	43,953
Taxes on income	2,947	12,715
Net income (loss)	10,343	31,238
Operating Segments | Wealth Management
Segment Reporting Information [Line Items]
Noninterest income	7,291	8,345
Noninterest expense	6,065	6,644
Income (loss) before taxes on income	1,226	1,701
Taxes on income	364	493
Net income (loss)	862	1,208
Other.
Segment Reporting Information [Line Items]
Interest expense	1,796	1,237
Net interest income	(1,796)	(1,237)
Noninterest income	(394)	(449)
Noninterest expense	1,630	873
Income (loss) before taxes on income	(3,820)	(2,559)
Taxes on income	(1,111)	(949)
Net income (loss)	$ (2,709)	$ (1,610)

SUBSEQUENT EVENTS (Details)

SUBSEQUENT EVENTS (Details) - Subsequent Event	Apr. 27, 2023 $ / shares
Subsequent Event [Line Items]
Dividends payable, date declared	Apr. 27, 2023
Dividends payable, amount per share	$ 0.02
Dividends payable, date to be paid	May 19, 2023
Dividends payable, date of record	May 08, 2023