10-Q

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549 

FORM 10-Q

☒    QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the quarterly period ended June 30, 2023

or

☐    TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For transition period from __________ to __________ 

Commission File Number: 001-35791

Northfield Bancorp, Inc.

(Exact name of registrant as specified in its charter) 

Delaware	80-0882592
(State or other jurisdiction of incorporation or organization)	(I.R.S. Employer Identification No.)

581 Main Street,	Woodbridge,	New Jersey	07095
(Address of principal executive offices)			(Zip Code)

Registrant’s telephone number, including area code: (732) 499-7200

Not Applicable

(Former name, former address, and former fiscal year, if changed since last report)

Securities registered pursuant to Section 12(b) of the Act:

Title of each class	Trading Symbol	Name of exchange on which registered
Common stock, par value $0.01 per share	NFBK	The NASDAQ Stock Market LLC

Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days.  Yes ☒    No ☐

Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S-T (§232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit such files).  Yes ☒    No ☐

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smaller reporting company, or an emerging growth company. See the definitions of “large accelerated filer”, “accelerated filer”, “smaller reporting company” and “emerging growth company” in Rule 12b-2 of the Exchange Act:
Large accelerated filer	☒	Accelerated filer	☐
Non-accelerated filer	☐	Smaller reporting company	☐
Emerging growth company	☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act).  Yes ☐ No ☒

As of July 31, 2023, the registrant had 44,987,773 shares of Common Stock, par value $0.01 per share, issued and outstanding.

NORTHFIELD BANCORP, INC.

Form 10-Q Quarterly Report

Table of Contents

		Page
PART I - FINANCIAL INFORMATION
Item 1.	Financial Statements	4
Item 2.	Management’s Discussion and Analysis of Financial Condition and Results of Operations	43
Item 3.	Quantitative and Qualitative Disclosures About Market Risk	58
Item 4.	Controls and Procedures	60
PART II - OTHER INFORMATION
Item 1.	Legal Proceedings	61
Item 1A.	Risk Factors	61
Item 2.	Unregistered Sales of Equity Securities, Use of Proceeds, and Issuer Purchases of Equity Securities	61
Item 3.	Defaults Upon Senior Securities	61
Item 4.	Mine Safety Disclosures	61
Item 5.	Other Information	62
Item 6.	Exhibits	62
	SIGNATURES	63

3

PART I

ITEM 1.     FINANCIAL STATEMENTS

NORTHFIELD BANCORP, INC.

CONSOLIDATED BALANCE SHEETS

(Unaudited) (In thousands, except share amounts)

	June 30, 2023		December 31, 2022
ASSETS:
Cash and due from banks	$	13,853	$	14,530
Interest-bearing deposits in other financial institutions	75,274		31,269
Total cash and cash equivalents	89,127		45,799
Trading securities	11,731		10,751
Debt securities available-for-sale, at estimated fair value (with no allowance for credit losses at June 30, 2023 and December 31, 2022)	802,257		952,173
Debt securities held-to-maturity, at amortized cost	10,316		10,760
(estimated fair value of $9,946 at June 30, 2023, and $10,389 at December 31, 2022, with no allowance for credit losses at June 30, 2023 and December 31, 2022)
Equity securities	10,653		10,443
Loans held-for-sale	977		—
Loans held-for-investment	4,274,042		4,243,693
Less: allowance for credit losses	(41,154)		(42,617)
Net loans held-for-investment	4,232,888		4,201,076
Accrued interest receivable	17,721		17,426
Bank-owned life insurance	169,671		167,912
Federal Home Loan Bank (“FHLB”) of New York stock, at cost	40,376		30,382
Operating lease right-of-use assets	32,010		34,288
Premises and equipment, net	24,573		24,844
Goodwill	41,012		41,012
Other assets	57,503		54,427
Total assets	$	5,540,815	$	5,601,293
LIABILITIES AND STOCKHOLDERS’ EQUITY:
LIABILITIES:
Deposits	$	3,764,403	$	4,150,219
Securities sold under agreements to repurchase	25,000		25,000
FHLB advances and other borrowings	898,535		558,859
Subordinated debentures, net of issuance costs	61,108		60,996
Operating lease liabilities	37,274		39,790
Advance payments by borrowers for taxes and insurance	29,117		25,995
Accrued expenses and other liabilities	38,737		39,044
Total liabilities	4,854,174		4,899,903
STOCKHOLDERS’ EQUITY:
Preferred stock, $0.01 par value: 25,000,000 shares authorized, none issued or outstanding	—		—
Common stock, $0.01 par value: 150,000,000 shares authorized, 64,770,875 shares issued at
June 30, 2023 and December 31, 2022, 45,243,673 and 47,442,488 outstanding at June 30, 2023 and December 31, 2022, respectively	648		648
Additional paid-in-capital	589,335		590,249
Unallocated common stock held by employee stock ownership plan	(15,192)		(15,650)
Retained earnings	427,921		418,353
Accumulated other comprehensive loss	(45,074)		(48,331)
Treasury stock at cost: 19,527,202 and 17,328,387 shares at June 30, 2023 and December 31, 2022, respectively	(270,997)		(243,879)
Total stockholders’ equity	686,641		701,390
Total liabilities and stockholders’ equity	$	5,540,815	$	5,601,293

See accompanying notes to unaudited consolidated financial statements.

4

NORTHFIELD BANCORP, INC.

CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS)

(Unaudited) (In thousands, except per share data) 

	Three Months Ended June 30,				Six Months Ended June 30,
	2023		2022		2023		2022
Interest income:
Loans	$	45,300	$	38,998	$	89,007	$	75,719
Mortgage-backed securities	3,714		3,043		7,506		5,518
Other securities	1,113		989		2,498		1,684
FHLB of New York dividends	727		260		1,192		505
Deposits in other financial institutions	816		166		1,394		224
Total interest income	51,670		43,456		101,597		83,650
Interest expense:
Deposits	10,483		1,334		18,304		2,493
Borrowings	9,198		1,918		15,589		4,084
Subordinated debt	828		119		1,647		119
Total interest expense	20,509		3,371		35,540		6,696
Net interest income	31,161		40,085		66,057		76,954
Provision for credit losses	30		149		894		552
Net interest income after provision for credit losses	31,131		39,936		65,163		76,402
Non-interest income:
Fees and service charges for customer services	1,309		1,375		2,689		2,706
Income on bank-owned life insurance	889		848		1,759		1,687
(Losses) gains on available-for-sale debt securities, net	(18)		—		(17)		264
Gains (losses) on trading securities, net	506		(1,563)		1,018		(2,365)
Gain on sale of loans	35		—		35		—
Other	95		105		664		186
Total non-interest income	2,816		765		6,148		2,478
Non-interest expense:
Compensation and employee benefits	12,353		9,418		23,390		18,925
Occupancy	3,244		3,286		6,616		6,694
Furniture and equipment	460		426		914		852
Data processing	2,071		1,762		4,314		3,475
Professional fees	768		1,229		1,739		2,137
Advertising	573		404		1,420		837
Federal Deposit Insurance Corporation insurance	568		355		1,172		712
Credit loss (benefit) expense for off-balance sheet exposures	(661)		349		(550)		628
Other	1,399		1,484		2,888		3,162
Total non-interest expense	20,775		18,713		41,903		37,422
Income before income tax expense	13,172		21,988		29,408		41,458
Income tax expense	3,613		6,114		8,142		11,457
Net income	$	9,559	$	15,874	$	21,266	$	30,001
Net income per common share:
Basic	$	0.22	$	0.34	$	0.48	$	0.64
Diluted	$	0.22	$	0.34	$	0.48	$	0.64
See accompanying notes to unaudited consolidated financial statements.

5

NORTHFIELD BANCORP, INC. CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) - (Continued) (Unaudited) (In thousands)
	Three Months Ended June 30,				Six Months Ended June 30,
	2023		2022		2023		2022
Net income	$	9,559	$	15,874	$	21,266	$	30,001
Other comprehensive (loss) income:
Unrealized (losses) gains on debt securities available-for-sale:
Net unrealized holding (losses) gains	(3,891)		(11,079)		4,506		(45,973)
Less: reclassification adjustment for net losses (gains) included in net income	18		—		17		(264)
Net unrealized (losses) gains	(3,873)		(11,079)		4,523		(46,237)
Post-retirement benefits adjustment	—		—		—		(48)
Other comprehensive (loss) income before tax	(3,873)		(11,079)		4,523		(46,285)
Income tax benefit (expense) related to net unrealized holding (losses) gains on debt securities available-for-sale	1,089		3,102		(1,261)		12,869
Income tax (benefit) expense related to reclassification adjustment for gains included in net income	(5)		—		(5)		74
Income tax benefit related to post retirement benefit adjustment	—		—		—		13
Other comprehensive (loss) income, net of tax	(2,789)		(7,977)		3,257		(33,329)
Comprehensive income (loss)	$	6,770	$	7,897	$	24,523	$	(3,328)

See accompanying notes to unaudited consolidated financial statements.

6

NORTHFIELD BANCORP, INC.

CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS’ EQUITY

Three Months Ended June 30, 2023 and 2022

(Unaudited) (In thousands, except share data) 

	Common Stock
	Shares Outstanding	Par Value		Additional Paid-in Capital		Unallocated Common Stock Held by the Employee Stock Ownership Plan		Retained Earnings		Accumulated Other Comprehensive Income (loss) Net of tax		Treasury Stock		Total Stockholders' Equity
Balance at March 31, 2022	48,910,192	$	648	$	588,131	$	(16,822)	$	389,387	$	(23,289)	$	(222,657)	$	715,398
Net income								15,874						15,874
Other comprehensive loss, net of tax										(7,977)				(7,977)
ESOP shares allocated or committed to be released				163		238								401
Stock compensation expense				449										449
Restricted stock forfeitures	(13,738)			197								(197)		—
Exercise of stock options, net														—
Cash dividends declared and paid ($0.13 per common share)								(6,130)						(6,130)
Repurchase of treasury stock (average cost of $12.96 per share)	(211,579)											(2,742)		(2,742)
Balance at June 30, 2022	48,684,875	$	648	$	588,940	$	(16,584)	$	399,131	$	(31,266)	$	(225,596)	$	715,273
Balance at March 31, 2023	46,530,167	$	648	$	588,532	$	(15,422)	$	424,148	$	(42,285)	$	(257,455)	$	698,166
Net income								9,559						9,559
Other comprehensive loss, net of tax										(2,789)				(2,789)
ESOP shares allocated or committed to be released				67		230								297
Stock compensation expense				505										505
Restricted stock forfeitures	(16,154)			231								(231)		—
Cash dividends declared and paid ($0.13 per common share)								(5,786)						(5,786)
Repurchase of treasury stock (average cost of $10.48 per share)	(1,270,340)											(13,311)		(13,311)
Balance at June 30, 2023	45,243,673	$	648	$	589,335	$	(15,192)	$	427,921	$	(45,074)	$	(270,997)	$	686,641

See accompanying notes to unaudited consolidated financial statements.

7

NORTHFIELD BANCORP, INC.

CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS’ EQUITY

Six Months Ended June 30, 2023 and 2022

(Unaudited) (In thousands, except share data) 

	Common Stock
	Shares Outstanding	Par Value		Additional Paid-in Capital		Unallocated Common Stock Held by the Employee Stock Ownership Plan		Retained Earnings		Accumulated Other Comprehensive Income (loss) Net of tax		Treasury Stock		Total Stockholders' Equity
Balance at December 31, 2021	49,266,733	$	648	$	589,972	$	(17,058)	$	381,361	$	2,063	$	(217,103)	$	739,883
Net income								30,001						30,001
Other comprehensive loss, net of tax										(33,329)				(33,329)
ESOP shares allocated or committed to be released				378		474								852
Stock compensation expense				845										845
Restricted stock issuance	157,416			(2,484)								2,484		—
Restricted stock forfeitures	(16,613)			237								(237)		—
Exercise of stock options, net	17,040			(8)								239		231
Cash dividends declared and paid ($0.13 per common share)								(12,231)						(12,231)
Repurchase of treasury stock (average cost of $14.84 per share)	(739,701)											(10,979)		(10,979)
Balance at June 30, 2022	48,684,875	$	648	$	588,940	$	(16,584)	$	399,131	$	(31,266)	$	(225,596)	$	715,273
Balance at December 31, 2022	47,442,488	$	648	$	590,249	$	(15,650)	$	418,353	$	(48,331)	$	(243,879)	$	701,390
Net income								21,266						21,266
Other comprehensive income, net of tax										3,257				3,257
ESOP shares allocated or committed to be released				232		458								690
Stock compensation expense				1,223										1,223
Restricted stock issuance	173,060			(2,670)								2,670		—
Restricted stock forfeitures	(21,252)			308								(308)		—
Exercise of stock options, net	7,600			(7)								107		100
Cash dividends declared and paid ($0.13 per common share)								(11,698)						(11,698)
Repurchase of treasury stock (average cost of $12.42 per share)	(2,358,223)											(29,587)		(29,587)
Balance at June 30, 2023	45,243,673	$	648	$	589,335	$	(15,192)	$	427,921	$	(45,074)	$	(270,997)	$	686,641

See accompanying notes to unaudited consolidated financial statements.

8

NORTHFIELD BANCORP, INC.

CONSOLIDATED STATEMENTS OF CASH FLOWS

(Unaudited) (In thousands)

	Six Months Ended June 30,
	2023		2022
Net income	$	21,266	$	30,001
Adjustments to reconcile net income to net cash provided by operating activities:
Provision for credit losses	894		552
ESOP and stock compensation expense	1,913		1,697
Depreciation	1,832		1,857
Amortization of premiums and deferred loan costs, net of accretion of discounts and deferred loan fees	3,876		4,915
Amortization of debt issuance costs	112		—
Amortization of intangible assets	62		93
Amortization of operating lease right-of-use assets	2,341		2,331
Income on bank-owned life insurance	(1,759)		(1,687)
Net gain on sale of loans	(35)		—
Proceeds from sale of loans held-for-sale	498		—
Origination of loans held-for-sale	(1,440)		—
Losses (gains) on available-for-sale debt securities, net	17		(264)
(Gains) losses on trading securities, net	(1,018)		2,365
Loss (gain) on sale of other real estate owned, net	7		(17)
Net sales of trading securities	38		695
Increase in accrued interest receivable	(295)		(376)
Increase in other assets	(6,983)		(1,155)
Decrease in accrued expenses and other liabilities	(307)		(623)
Net cash provided by operating activities	21,019		40,384
Cash flows from investing activities:
Net increase in loans receivable	(29,716)		(300,245)
Purchases of loans	(3,781)		(7,696)
Purchases of FHLB of New York stock	(36,054)		(5,423)
Redemptions of FHLB of New York stock	26,060		7,817
Purchases of debt securities available-for-sale	—		(164,988)
Purchases of equity securities	(210)		(2,510)
Principal payments and maturities on debt securities available-for-sale	151,279		193,873
Principal payments and maturities on debt securities held-to-maturity	432		76
Proceeds from sale of debt securities available-for-sale	—		41,464
Proceeds from sale of equity securities	—		31
Proceeds from bank-owned life insurance	—		1,526
Proceeds from sale of other real estate owned	63		125
Purchases and improvements of premises and equipment	(1,561)		(1,686)
Net cash provided by (used in) investing activities	106,512		(237,636)
Cash flows from financing activities:
Net (decrease) increase in deposits	(385,816)		248,668
Dividends paid	(11,698)		(12,231)
Exercise of stock options	100		231
Purchase of treasury stock	(29,587)		(10,979)
Increase in advance payments by borrowers for taxes and insurance	3,122		4,549
Proceeds from issuance of subordinated debt, net of issuance costs	—		60,917
Proceeds from FHLB advances and other borrowings and securities sold under agreements to repurchase	692,788		261
Repayments related to securities sold under agreements to repurchase and other borrowings	(353,112)		(75,000)
Net cash (used in) provided by financing activities	(84,203)		216,416
Net increase in cash and cash equivalents	43,328		19,164
Cash and cash equivalents at beginning of period	45,799		91,068
Cash and cash equivalents at end of period	$	89,127	$	110,232

See accompanying notes to unaudited consolidated financial statements

9

NORTHFIELD BANCORP, INC.

CONSOLIDATED STATEMENTS OF CASH FLOWS - (Continued)

(Unaudited) (In thousands)

	Six Months Ended June 30,
	2023		2022
Supplemental cash flow information:
Cash paid during the period for:
Interest	$	33,942	$	6,807
Income taxes	10,156		11,205
Non-cash transactions:
Loan charge-offs, net	2,357		494
Transfer of loans held-for-investment to other real estate owned	70		—
Right-of-use assets obtained in exchange for new lease liabilities	63		4,983
Transfer of loans held-for-investment to loans held-for-sale at fair value	—		2,346

See accompanying notes to unaudited consolidated financial statements.

10

NORTHFIELD BANCORP, INC.

Notes to Unaudited Consolidated Financial Statements

Note 1 – Consolidated Financial Statements

Basis of Presentation

The consolidated financial statements are comprised of the accounts of Northfield Bancorp, Inc. and its wholly owned subsidiaries, Northfield Investments, Inc. and Northfield Bank (the “Bank”), and the Bank’s wholly-owned subsidiaries, NSB Services Corp. and NSB Realty Trust (collectively the “Company”). All significant intercompany accounts and transactions have been eliminated in consolidation.

In the opinion of management, all adjustments (consisting solely of normal and recurring adjustments) necessary for the fair presentation of the consolidated balance sheets and the consolidated statements of comprehensive income for the unaudited periods presented have been included. The results of operations and other data presented for the three and six months ended June 30, 2023 are not necessarily indicative of the results of operations that may be expected for the year ending December 31, 2023 or for any other period. Whenever necessary, certain prior year amounts are reclassified to conform to the current year presentation.

In preparing the unaudited consolidated financial statements in conformity with U.S. generally accepted accounting principles (“U.S. GAAP”), management has made estimates and assumptions that affect the reported amounts of assets and liabilities as of the date of the consolidated balance sheets and for the periods indicated in the consolidated statements of comprehensive income. Material estimates that are particularly susceptible to change are: the allowance for credit losses and the valuation allowance against deferred tax assets. Estimates and assumptions are reviewed periodically and the effects of revisions are reflected in the consolidated financial statements in the period they are deemed necessary. While management uses its best judgment, actual amounts or results could differ significantly from those estimates.

Certain information and note disclosures usually included in financial statements prepared in accordance with U.S. GAAP have been condensed or omitted pursuant to the rules and regulations of the Securities and Exchange Commission (“SEC”) for the preparation of interim financial statements. The consolidated financial statements presented should be read in conjunction with the audited consolidated financial statements and notes to consolidated financial statements included in the Company's Annual Report on Form 10-K for the year ended December 31, 2022, as filed with the SEC. 

Recent Accounting Pronouncements Adopted

Effective January 1, 2023, the Company adopted Accounting Standards Update (“ASU”) No. 2022-02, “Financial Instruments - Credit Losses (Topic 326): Troubled Debt Restructurings and Vintage Disclosures” (“ASU 2022-02”). The amendments in this ASU were issued to (1) eliminate accounting guidance for Troubled Debt Restructurings (“TDRs”) by creditors, while enhancing disclosure requirements for certain loan refinancings and restructurings by creditors when a borrower is experiencing financial difficulty; (2) require disclosures of current period gross write-offs by year of origination for financing receivables and net investments in leases. Under ASU 2022-02, the Company assesses all loan modifications to determine whether one is granted to a borrower experiencing financial difficulty, regardless of whether the modified loan terms include a concession. Modifications granted to borrowers experiencing financial difficulty may be in the form of an interest rate reduction, an other-than-insignificant payment delay, a term extension, principal forgiveness or a combination thereof.

Prior to the adoption of ASU 2022-02, a TDR occurred when the terms of a loan were modified because of deterioration in the financial condition of the borrower. Modifications could include extension of the repayment terms of the loan, reduced interest rates, or forgiveness of accrued interest and/or principal.  For the Company's accounting policy related to TDRs granted prior to the adoption of ASU 2022-02, see “Note 1. Significant Accounting Policies included in Item 8. Financial Statements and Supplementary Data” in the Company’s Annual Report on Form 10-K for the year ended December 31, 2022.

The Company adopted ASU 2022-02 on a prospective basis. The adoption of this update did not have a material effect on the Company’s consolidated financial statements. Additional disclosures are included in Note 5 to the consolidated financial statements.

11

NORTHFIELD BANCORP, INC.

Notes to Unaudited Consolidated Financial Statements - (Continued)

Note 2 – Debt Securities Available-for-Sale

The following is a comparative summary of mortgage-backed securities and other debt securities available-for-sale at June 30, 2023, and December 31, 2022 (in thousands):

	June 30, 2023
			Gross		Gross		Estimated
	Amortized		unrealized		unrealized		fair
	cost		gains		losses		value
U.S. Government agency securities	$	75,958	$	—	$	(3,872)	$	72,086
Mortgage-backed securities:
Pass-through certificates:
Government sponsored enterprises ("GSEs")	417,226		—		(38,667)		378,559
Real estate mortgage investment conduits ("REMICs"):
GSE	251,166		—		(15,120)		236,046
	668,392		—		(53,787)		614,605
Other debt securities:
Corporate bonds	120,817		—		(5,251)		115,566
	120,817		—		(5,251)		115,566
Total debt securities available-for-sale	$	865,167	$	—	$	(62,910)	$	802,257

	December 31, 2022
			Gross		Gross		Estimated
	Amortized		unrealized		unrealized		fair
	cost		gains		losses		value
U.S. Government agency securities	$	76,150	$	—	$	(4,074)	$	72,076
Mortgage-backed securities:
Pass-through certificates:
GSE	472,963		1		(40,346)		432,618
REMICs:
GSE	280,870		—		(16,146)		264,724
	753,833		1		(56,492)		697,342
Other debt securities:
Municipal bonds	21		—		—		21
Corporate bonds	189,603		2		(6,871)		182,734
	189,624		2		(6,871)		182,755
Total debt securities available-for-sale	$	1,019,607	$	3	$	(67,437)	$	952,173

The following is a summary of the expected maturity distribution of debt securities available-for-sale, other than mortgage-backed securities, at June 30, 2023 (in thousands):

Available-for-sale	Amortized cost		Estimated fair value
Due in one year or less	$	156,756	$	151,319
Due after one year through five years	40,019		36,333
	$	196,775	$	187,652

 Contractual maturities for mortgage-backed securities are not included above, as expected maturities on mortgage-backed securities may differ from contractual maturities as borrowers may have the right to call or prepay obligations with or without penalties.

12

NORTHFIELD BANCORP, INC.

Notes to Unaudited Consolidated Financial Statements - (Continued)

Certain debt securities available-for-sale are pledged or encumbered to secure borrowings under Pledge Agreements and Repurchase Agreements and for other purposes required by law. At June 30, 2023 and December 31, 2022, the fair value of debt securities available-for-sale that were pledged to secure borrowings and deposits was $643.1 million and $591.7 million, respectively.

For the three months ended June 30, 2023, the Company had no gross proceeds on sales of debt securities available-for-sale, with gross realized gains of $21,000 and gross realized losses of $39,000 related to the payoff of securities. For the six months ended June 30, 2023, the Company had no gross proceeds on sales of debt securities available-for-sale, with gross realized gains of $22,000 and gross realized losses of $39,000 related to the payoff of securities. For the three months ended June 30, 2022, the Company had no sales of debt securities available-for-sale and no gross realized gains or losses. For the six months ended June 30, 2022, the Company had gross proceeds of $41.5 million on sales and calls of debt securities available-for-sale, with gross realized gains of $264,000 related to sales of securities and no gross realized losses. The Company recognized net gains of $506,000 and $1.0 million on its trading securities portfolio during the three and six months ended June 30, 2023, respectively. During the three and six months ended June 30, 2022, the Company recognized net losses of $1.6 million and $2.4 million, respectively, on its trading securities portfolio.

Gross unrealized losses on mortgage-backed securities and other debt securities available-for-sale, and the estimated fair value of the related securities, aggregated by security category and length of time that individual securities have been in a continuous unrealized loss position, at June 30, 2023 and December 31, 2022, were as follows (in thousands):

	June 30, 2023
	Less than 12 months				12 months or more				Total
	Unrealized		Estimated		Unrealized		Estimated		Unrealized		Estimated
	losses		fair value		losses		fair value		losses		fair value
U.S. Government agency securities	$	—	$	—	$	(3,872)	$	72,086	$	(3,872)	$	72,086
Mortgage-backed securities:
Pass-through certificates:
GSE	(269)		8,034		(38,398)		370,503		(38,667)		378,537
REMICs:
GSE	—		—		(15,120)		236,046		(15,120)		236,046
Other debt securities:
Corporate bonds	(735)		3,265		(4,516)		112,301		(5,251)		115,566
Total	$	(1,004)	$	11,299	$	(61,906)	$	790,936	$	(62,910)	$	802,235

	December 31, 2022
	Less than 12 months				12 months or more				Total
	Unrealized		Estimated		Unrealized		Estimated		Unrealized		Estimated
	losses		fair value		losses		fair value		losses		fair value
U.S. Government agency securities	$	(3,942)	$	71,058	$	(132)	$	1,018	$	(4,074)	$	72,076
Mortgage-backed securities:
Pass-through certificates:
GSE	(8,112)		142,605		(32,234)		289,890		(40,346)		432,495
REMICs:
GSE	(8,303)		180,612		(7,843)		84,112		(16,146)		264,724
Other debt securities:
Corporate bonds	(842)		35,778		(6,029)		129,174		(6,871)		164,952
Total	$	(21,199)	$	430,053	$	(46,238)	$	504,194	$	(67,437)	$	934,247

13

NORTHFIELD BANCORP, INC.

Notes to Unaudited Consolidated Financial Statements - (Continued)

The Company held 102 pass-through mortgage-backed securities issued or guaranteed by GSEs, 81 REMIC mortgage-backed securities issued or guaranteed by GSEs, 19 corporate bonds, and five U.S. Government agency securities that were in a continuous unrealized loss position of twelve months or greater at June 30, 2023. There were 21 pass-through mortgage-backed securities issued or guaranteed by GSEs and one corporate bond that were in an unrealized loss position of less than twelve months at June 30, 2023. All securities referred to above were rated investment grade at June 30, 2023.

Available for sale debt securities in unrealized loss positions are evaluated for impairment related to credit losses on a quarterly basis. In performing an assessment of whether any decline in fair value is due to a credit loss, the Company considers the extent to which the fair value is less than the amortized cost, changes in credit ratings, any adverse economic conditions, as well as all relevant information at the individual security level such as credit deterioration of the issuer or collateral underlying the security. In assessing the impairment, the Company compares the present value of cash flows expected to be collected with the amortized cost basis of the security. If it is determined that the decline in fair value was due to credit losses, an allowance for credit losses is recorded, limited to the amount the fair value is less than amortized cost basis. The Company did not recognize any allowance for credit losses on its available-for-sale debt securities as of June 30, 2023 or December 31, 2022. 

The non-credit related decrease in the fair value, such as a decline due to changes in market interest rates, is recorded in other comprehensive income, net of tax. The Company also assesses its intent to sell the securities (as well as the likelihood of a near-term recovery). If the Company intends to sell an available for sale debt security or it is more likely than not that it will be required to sell the security before recovery of its amortized cost basis, the debt security is written down to its fair value and the write down is charged to the debt security’s fair value at the reporting date with any incremental impairment reported in earnings.

The Company has made the accounting policy election to exclude accrued interest receivable on available-for-sale securities from the estimate of credit losses. Accrued interest receivable associated with debt securities available-for-sale totaled $2.5 million and $2.8 million, at June 30, 2023 and December 31, 2022, respectively, and was reported in accrued interest receivable on the consolidated balance sheets.

Note 3 – Debt Securities Held-to-Maturity

The following is a summary of mortgage-backed securities held-to-maturity at June 30, 2023 and December 31, 2022 (in thousands): 

	June 30, 2023
	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Estimated Fair Value
Mortgage-backed securities:
Pass-through certificates:
GSE	$	10,316	$	83	$	(453)	$	9,946
Total securities held-to-maturity	$	10,316	$	83	$	(453)	$	9,946

	December 31, 2022
	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Estimated Fair Value
Mortgage-backed securities:
Pass-through certificates:
GSE	$	10,760	$	90	$	(461)	$	10,389
Total securities held-to-maturity	$	10,760	$	90	$	(461)	$	10,389

Contractual maturities for mortgage-backed securities are not presented, as expected maturities on mortgage-backed securities may differ from contractual maturities as borrowers may have the right to call or prepay obligations with or without penalties. There were no sales of held-to-maturity securities for the six months ended June 30, 2023 or June 30, 2022.

At June 30, 2023 and December 31, 2022, debt securities held-to-maturity with a carrying value of $10.3 million and $2.0 million, respectively, were pledged to secure borrowings and deposits.

14

NORTHFIELD BANCORP, INC.

Notes to Unaudited Consolidated Financial Statements - (Continued)

Gross unrealized losses on mortgage-backed securities held-to-maturity, and the estimated fair value of the related securities, aggregated by security category and length of time that individual securities have been in a continuous unrealized loss position at June 30, 2023 and December 31, 2022 were as follows (in thousands):

	June 30, 2023
	Less than 12 months				12 months or more				Total
	Unrealized		Estimated		Unrealized		Estimated		Unrealized		Estimated
	losses		fair value		losses		fair value		losses		fair value
Mortgage-backed securities:
Pass-through certificates:
GSE	$	(86)	$	3,253	$	(367)	$	3,768	$	(453)	$	7,021
Total	$	(86)	$	3,253	$	(367)	$	3,768	$	(453)	$	7,021

	December 31, 2022
	Less than 12 months				12 months or more				Total
	Unrealized		Estimated		Unrealized		Estimated		Unrealized		Estimated
	losses		fair value		losses		fair value		losses		fair value
Mortgage-backed securities:
Pass-through certificates:
GSE	$	(461)	$	7,433	$	—	$	—	$	(461)	$	7,433
Total	$	(461)	$	7,433	$	—	$	—	$	(461)	$	7,433

The Company held six pass-through mortgage-backed debt securities held-to-maturity issued or guaranteed by GSEs that were in a continuous unrealized loss position of twelve months or greater at June 30, 2023. The Company held three pass-through mortgage-backed debt securities held-to-maturity issued or guaranteed by GSEs that were in an unrealized loss position of less than twelve months at June 30, 2023.

The Company's held-to-maturity securities are residential mortgage-backed securities issued by Ginnie Mae, Freddie Mac and Fannie Mae, and it is expected that the securities will not be settled at prices less than the amortized cost bases of the securities as such securities are backed by the full faith and credit of and/or guaranteed by the U.S. Government. Accordingly, no allowance for credit losses has been recorded for these securities.

The Company has made the accounting policy election to exclude accrued interest receivable on held-to-maturity securities from the estimate of credit losses. Accrued interest receivable associated with held-to-maturity securities totaling $37,000 and $39,000, at June 30, 2023 and December 31, 2022, respectively, was reported in accrued interest receivable on the consolidated balance sheets.

Note 4 – Equity Securities

Equity securities totaled $10.7 million and $10.4 million at June 30, 2023 and December 31, 2022, respect. Equity securities consisted of money market mutual funds recorded at fair value of $653,000 and $361,000 at June 30, 2023 and December 31, 2022, respectively, and an investment in a private SBA loan fund (the “SBA Loan Fund”) recorded at net asset value of $10.0 million and $10.1 million at June 30, 2023 and December 31, 2022, respectively. As the SBA Loan Fund operates as a private fund, its shares are not publicly traded and, therefore, have no readily determinable market value. The SBA Loan Fund was recorded at net asset value as a practical expedient for reporting fair value.

15

NORTHFIELD BANCORP, INC.

Notes to Unaudited Consolidated Financial Statements - (Continued)

Note 5 – Loans

The following table summarizes the Company’s loans held-for-investment (in thousands):

	June 30,		December 31,
	2023		2022
Real estate loans:
Multifamily	$	2,814,809	$	2,824,579
Commercial mortgage	942,980		899,249
One-to-four family residential mortgage	170,767		173,946
Home equity and lines of credit	158,517		152,555
Construction and land	29,444		24,932
Total real estate loans	4,116,517		4,075,261
Commercial and industrial loans (1)	143,314		154,700
Other loans	2,663		2,230
Total commercial and industrial and other loans	145,977		156,930
Loans held-for-investment (excluding purchased credit-deteriorated (“PCD”) loans)	4,262,494		4,232,191
PCD loans	11,548		11,502
Total loans held-for-investment	4,274,042		4,243,693
Allowance for credit losses	(41,154)		(42,617)
Net loans held-for-investment	$	4,232,888	$	4,201,076

(1) Included in commercial and industrial loans at June 30, 2023 and December 31, 2022 are Payment Protection Program ("PPP") loans totaling $366,000 and $5.1 million, respectively.

The Company had $977,000 of loans held-for-sale at June 30, 2023 and no loans held-for-sale at December 31, 2022.

In addition to originating loans, the Company may acquire loans through portfolio purchases or acquisitions of other companies. Purchased loans that have evidence of more than insignificant credit deterioration since origination are deemed PCD loans. For PCD loans, each loan pool is accounted for as a single asset with a single composite interest rate and an aggregate expectation of cash flows. PCD loans totaled $11.5 million at both June 30, 2023 and December 31, 2022. The majority of the PCD loan balance is attributable to those loans acquired as part of a Federal Deposit Insurance Corporation-assisted transaction. At June 30, 2023, PCD loans consisted of approximately 10% home equity loans, 31% commercial real estate loans, 52% commercial and industrial loans, and 7% in one-to-four family residential loans. At December 31, 2022, PCD loans consisted of approximately 9% one-to-four family residential loans, 28% commercial real estate loans, 53% commercial and industrial loans, and 10% in home equity loans.

16

NORTHFIELD BANCORP, INC.

Notes to Unaudited Consolidated Financial Statements - (Continued)

Credit Quality Indicators

The Company monitors the credit quality of its loan portfolio on a regular basis. Credit quality is monitored by reviewing certain credit quality indicators. Management has determined that loan-to-value (“LTV”) ratios (at period end) and internally assigned credit risk ratings by loan type are the key credit quality indicators that best measure the credit quality of the Company’s loan receivables. LTV ratios used by management in monitoring credit quality are based on current period loan balances and original appraised values at the time of origination (unless a current appraisal has been obtained as a result of the loan being deemed impaired). 

The Company maintains a credit risk rating system as part of the risk assessment of its loan portfolio. The Company’s lending officers are required to assign a credit risk rating to each loan in their portfolio at origination. This risk rating is reviewed periodically and adjusted if necessary. Monthly, management presents monitored assets to the loan committee. In addition, the Company engages a third-party independent loan reviewer that performs semi-annual reviews of a sample of loans, validating the credit risk ratings assigned to such loans. The credit risk ratings play an important role in the establishment of the provision for credit losses on loans and the allowance for credit losses for loans held-for-investment. After determining the loss factor for each portfolio segment held-for-investment, the collectively evaluated for impairment balance of the held-for-investment portfolio is multiplied by the collectively evaluated for impairment loss factor for the respective portfolio segment in order to determine the allowance for loans collectively evaluated for impairment.

When assigning a credit risk rating to a loan, management utilizes the Bank’s internal nine-point credit risk rating system. 

1.Strong

2.Good

3.Acceptable

4.Adequate

5.Watch

6.Special Mention

7.Substandard

8.Doubtful

9.Loss

Loans rated 1 to 5 are considered pass ratings. An asset is classified substandard if it is inadequately protected by the current net worth and paying capacity of the obligor or of the collateral pledged, if any. Substandard assets have well defined weaknesses based on objective evidence, and are characterized by the distinct possibility that the Company will sustain some loss if the deficiencies are not corrected. Assets classified as doubtful have all of the weaknesses inherent in those classified substandard with the added characteristic that the weaknesses present make collection or liquidation in full highly questionable and improbable based on current circumstances. Assets classified as loss are those considered uncollectible and of such little value that their continuance as assets is not warranted. Assets which do not currently expose the Company to sufficient risk to warrant classification in one of the aforementioned categories, but possess weaknesses, are required to be designated special mention.

17

NORTHFIELD BANCORP, INC.

Notes to Unaudited Consolidated Financial Statements - (Continued)

The following table presents the Company’s loans held-for-investment and current period gross charge-offs, excluding PCD loans, by loan class, credit risk ratings and year of origination, at June 30, 2023 (in thousands):

	June 30, 2023
	2023		2022		2021		2020		2019		Prior		Revolving Loans		Total
Real Estate:
Multifamily
Pass	$	75,847	$	626,142	$	659,433	$	474,042	$	252,353	$	716,825	$	562	$	2,805,204
Special mention	—		—		—		—		—		334		—		334
Substandard	—		—		—		—		—		9,271		—		9,271
Total multifamily	75,847		626,142		659,433		474,042		252,353		726,430		562		2,814,809
Commercial
Pass	82,595		211,238		156,830		67,219		89,326		318,992		1,849		928,049
Special mention	—		—		—		—		—		733		—		733
Substandard	—		2,864		—		—		—		11,034		300		14,198
Total commercial	82,595		214,102		156,830		67,219		89,326		330,759		2,149		942,980
One-to-four family residential
Pass	6,252		28,705		12,190		8,508		9,595		102,168		953		168,371
Special mention	—		—		—		—		—		1,670		—		1,670
Substandard	—		—		—		—		—		726		—		726
Total one-to-four family residential	6,252		28,705		12,190		8,508		9,595		104,564		953		170,767
Home equity and lines of credit
Pass	11,552		34,476		16,134		7,955		5,657		14,831		67,576		158,181
Special mention	—		—		—		—		—		69		—		69
Substandard	—		—		24		—		91		152		—		267
Total home equity and lines of credit	11,552		34,476		16,158		7,955		5,748		15,052		67,576		158,517
Construction and land
Pass	459		7,217		1,425		8,994		1,234		7,464		2,651		29,444
Total construction and land	459		7,217		1,425		8,994		1,234		7,464		2,651		29,444
Total real estate loans	176,705		910,642		846,036		566,718		358,256		1,184,269		73,891		4,116,517
Commercial and industrial
Pass	4,195		25,703		17,345		2,841		3,230		8,502		65,291		127,107
Special mention	—		—		—		44		—		107		250		401
Substandard	—		1,029		427		116		87		274		13,873		15,806
Total commercial and industrial	4,195		26,732		17,772		3,001		3,317		8,883		79,414		143,314
Current period gross charge-offs	—		1,591		707		—		—		113		—		2,411
Other
Pass	2,497		—		—		97		—		17		42		2,653
Substandard	—		—		—		—		—		—		10		10
Total other	2,497		—		—		97		—		17		52		2,663
Total loans held-for-investment	$	183,397	$	937,374	$	863,808	$	569,816	$	361,573	$	1,193,169	$	153,357	$	4,262,494
Total current-period gross charge-offs	$	—	$	1,591	$	707	$	—	$	—	$	113	$	—	$	2,411

18

NORTHFIELD BANCORP, INC.

Notes to Unaudited Consolidated Financial Statements - (Continued)

The following table presents the Company’s loans held-for-investment, excluding PCD loans, by loan class, credit risk ratings and year of origination, at December 31, 2022 (in thousands):

	December 31, 2022
	2022		2021		2020		2019		2018		Prior		Revolving Loans		Total
Real Estate:
Multifamily
Pass	$	632,613	$	676,370	$	500,069	$	255,374	$	204,810	$	545,335	$	521	$	2,815,092
Substandard	—		—		—		—		3,525		5,962		—		9,487
Total multifamily	632,613		676,370		500,069		255,374		208,335		551,297		521		2,824,579
Commercial
Pass	213,621		147,419		68,215		90,644		72,512		275,606		1,664		869,681
Special mention	—		—		—		—		—		4,852		—		4,852
Substandard	2,889		10,574		—		—		—		11,253		—		24,716
Total commercial	216,510		157,993		68,215		90,644		72,512		291,711		1,664		899,249
One-to-four family residential
Pass	26,432		12,340		8,623		10,057		7,227		105,787		1,006		171,472
Special mention	—		—		—		—		—		1,716		—		1,716
Substandard	—		—		—		—		—		758		—		758
Total one-to-four family residential	26,432		12,340		8,623		10,057		7,227		108,261		1,006		173,946
Home equity and lines of credit
Pass	36,513		16,053		8,198		5,948		4,484		11,315		69,539		152,050
Special mention	—		—		—		—		—		70		—		70
Substandard	—		—		—		92		48		295		—		435
Total home equity and lines of credit	36,513		16,053		8,198		6,040		4,532		11,680		69,539		152,555
Construction and land
Pass	8,121		1,145		6,335		1,276		1,427		3,905		653		22,862
Substandard	—		—		—		—		2,070		—		—		2,070
Total construction and land	8,121		1,145		6,335		1,276		3,497		3,905		653		24,932
Total real estate loans	920,189		863,901		591,440		363,391		296,103		966,854		73,383		4,075,261
Commercial and industrial
Pass	16,941		14,805		7,754		3,754		1,460		8,172		98,969		151,855
Special mention	—		—		48		—		—		124		214		386
Substandard	291		482		96		50		200		217		1,123		2,459
Total commercial and industrial	17,232		15,287		7,898		3,804		1,660		8,513		100,306		154,700
Other
Pass	2,010		—		114		5		6		21		74		2,230
Total other	2,010		—		114		5		6		21		74		2,230
Total loans held-for-investment	$	939,431	$	879,188	$	599,452	$	367,200	$	297,769	$	975,388	$	173,763	$	4,232,191

19

NORTHFIELD BANCORP, INC.

Notes to Unaudited Consolidated Financial Statements - (Continued)

Past Due and Non-Accrual Loans

Included in loans receivable held-for-investment are loans for which the accrual of interest income has been discontinued due to deterioration in the financial condition of the borrowers. The recorded investment of these non-accrual loans was $10.1 million and $9.8 million at June 30, 2023 and December 31, 2022, respectively. Generally, originated loans are placed on non-accrual status when they become 90 days or more delinquent, or sooner if considered appropriate by management, and remain on non-accrual status until they are brought current, have six consecutive months of performance under the loan terms, and factors indicating reasonable doubt about the timely collection of payments no longer exist. Therefore, loans may be current in accordance with their loan terms, or may be less than 90 days delinquent and still be on a non-accruing status.    

When an individual loan no longer demonstrates the similar credit risk characteristics as other loans within its current segment, the Company evaluates each for expected credit losses on an individual basis. All non-accrual loans $500,000 and above and all loans designated as TDRs prior to the adoption of ASU 2022-02 are individually evaluated. The non-accrual amounts included in loans individually evaluated for impairment were $5.1 million and $5.2 million at June 30, 2023, and December 31, 2022, respectively. Loans on non-accrual status with principal balances less than $500,000, and therefore not meeting the Company's definition of an impaired loan, amounted to $5.0 million at June 30, 2023, and $4.6 million at December 31, 2022. Loans past due 90 days or more and still accruing interest were $224,000 and $425,000 at June 30, 2023 and December 31, 2022, respectively, and consisted of loans that are well-secured and in the process of collection.

20

NORTHFIELD BANCORP, INC.

Notes to Unaudited Consolidated Financial Statements - (Continued)

The following tables set forth the detail, and delinquency status, of non-performing loans (non-accrual loans and loans past due 90 days or more and still accruing), net of deferred fees and costs, at June 30, 2023, and December 31, 2022, excluding PCD loans (in thousands):

	June 30, 2023
	Total Non-Performing Loans
	Non-Accruing Loans
	Current		30-89 Days Past Due		90 Days or More Past Due		Total		90 Days or More Past Due and Accruing		Total Non-Performing Loans
Loans held-for-investment:
Real estate loans:
Multifamily
Substandard	$	2,257	$	—	$	966	$	3,223	$	218	$	3,441
Total multifamily	2,257		—		966		3,223		218		3,441
Commercial
Substandard	2,886		171		2,336		5,393		—		5,393
Total commercial	2,886		171		2,336		5,393		—		5,393
One-to-four family residential
Substandard	82		—		27		109		6		115
Total one-to-four family residential	82		—		27		109		6		115
Home equity and lines of credit
Substandard	—		—		100		100		—		100
Total home equity and lines of credit	—		—		100		100		—		100
Total real estate	5,225		171		3,429		8,825		224		9,049
Commercial and industrial loans
Substandard	90		—		1,185		1,275		—		1,275
Total commercial and industrial loans	90		—		1,185		1,275		—		1,275
Other loans
Substandard	—		—		10		10		—		10
Total other	—		—		10		10		—		10
Total non-performing loans	$	5,315	$	171	$	4,624	$	10,110	$	224	$	10,334

21

NORTHFIELD BANCORP, INC.

Notes to Unaudited Consolidated Financial Statements - (Continued)

	December 31, 2022
	Total Non-Performing Loans
	Non-Accruing Loans
	Current		30-89 Days Past Due		90 Days or More Past Due		Total		90 Days or More Past Due and Accruing		Total Non-Performing Loans
Loans held-for-investment:
Real estate loans:
Multifamily
Substandard	$	1,923	$	—	$	1,362	$	3,285	$	233	$	3,518
Total multifamily	1,923		—		1,362		3,285		233		3,518
Commercial
Substandard	2,806		431		1,947		5,184		8		5,192
Total commercial	2,806		431		1,947		5,184		8		5,192
One-to-four family residential
Substandard	—		—		118		118		155		273
Total one-to-four family residential	—		—		118		118		155		273
Home equity and lines of credit
Substandard	186		—		76		262		—		262
Total home equity and lines of credit	186		—		76		262		—		262
Total real estate	4,915		431		3,503		8,849		396		9,245
Commercial and industrial loans
Substandard	—		26		938		964		24		988
Total commercial and industrial loans	—		26		938		964		24		988
Other loans
Pass	—		—		—		—		5		5
Total other	—		—		—		—		5		5
Total non-performing loans	$	4,915	$	457	$	4,441	$	9,813	$	425	$	10,238

22

NORTHFIELD BANCORP, INC.

Notes to Unaudited Consolidated Financial Statements - (Continued)

The following tables set forth the detail and delinquency status of loans held-for-investment, excluding PCD loans, net of deferred fees and costs, at June 30, 2023, and December 31, 2022 (in thousands):

	June 30, 2023
			Past Due Loans
	30-89 Days Past Due		90 Days or More Past Due		90 Days or More Past Due and Accruing		Total Past Due		Current		Total Loans Receivable, net
Loans held-for-investment:
Real estate loans:
Multifamily
Pass	$	—	$	—	$	—	$	—	$	2,805,204	$	2,805,204
Special mention	—		—		—		—		334		334
Substandard	—		966		218		1,184		8,087		9,271
Total multifamily	—		966		218		1,184		2,813,625		2,814,809
Commercial
Pass	185		—		—		185		927,864		928,049
Special mention	—		—		—		—		733		733
Substandard	789		2,336		—		3,125		11,073		14,198
Total commercial	974		2,336		—		3,310		939,670		942,980
One-to-four family residential
Pass	365		—		—		365		168,006		168,371
Special mention	67		—		—		67		1,603		1,670
Substandard	135		27		6		168		558		726
Total one-to-four family residential	567		27		6		600		170,167		170,767
Home equity and lines of credit
Pass	165		—		—		165		158,016		158,181
Special mention	—		—		—		—		69		69
Substandard	91		100		—		191		76		267
Total home equity and lines of credit	256		100		—		356		158,161		158,517
Construction and land
Pass	—		—		—		—		29,444		29,444
Total construction and land	—		—		—		—		29,444		29,444
Total real estate	1,797		3,429		224		5,450		4,111,067		4,116,517
Commercial and industrial
Pass	2,036		—		—		2,036		125,071		127,107
Special mention	44		—		—		44		357		401
Substandard	372		1,185		—		1,557		14,249		15,806
Total commercial and industrial	2,452		1,185		—		3,637		139,677		143,314
Other loans
Pass	—		—		—		—		2,653		2,653
Substandard	—		10		—		10		—		10
Total other loans	—		10		—		10		2,653		2,663
Total loans held-for-investment	$	4,249	$	4,624	$	224	$	9,097	$	4,253,397	$	4,262,494

23

NORTHFIELD BANCORP, INC.

Notes to Unaudited Consolidated Financial Statements - (Continued)

	December 31, 2022
	Past Due Loans
	30-89 Days Past Due		90 Days or More Past Due		90 Days or More Past Due and Accruing		Total Past Due		Current		Total Loans Receivable, net
Loans held-for-investment:
Real estate loans:
Multifamily
Pass	$	189	$	—	$	—	$	189	$	2,814,903	$	2,815,092
Substandard	—		1,362		233		1,595		7,892		9,487
Total multifamily	189		1,362		233		1,784		2,822,795		2,824,579
Commercial
Pass	726		—		—		726		868,955		869,681
Special mention	—		—		—		—		4,852		4,852
Substandard	605		1,947		8		2,560		22,156		24,716
Total commercial	1,331		1,947		8		3,286		895,963		899,249
One-to-four family residential
Pass	603		—		—		603		170,869		171,472
Special mention	69		—		—		69		1,647		1,716
Substandard	—		118		155		273		485		758
Total one-to-four family residential	672		118		155		945		173,001		173,946
Home equity and lines of credit
Pass	657		—		—		657		151,393		152,050
Special mention	—		—		—		—		70		70
Substandard	173		76		—		249		186		435
Total home equity and lines of credit	830		76		—		906		151,649		152,555
Construction and land
Pass	—		—		—		—		22,862		22,862
Substandard	—		—		—		—		2,070		2,070
Total construction and land	—		—		—		—		24,932		24,932
Total real estate	3,022		3,503		396		6,921		4,068,340		4,075,261
Commercial and industrial
Pass	573		—		—		573		151,282		151,855
Special mention	—		—		—		—		386		386
Substandard	498		938		24		1,460		999		2,459
Total commercial and industrial	1,071		938		24		2,033		152,667		154,700
Other loans
Pass	5		—		5		10		2,220		2,230
Total other loans	5		—		5		10		2,220		2,230
Total loans held-for-investment	$	4,098	$	4,441	$	425	$	8,964	$	4,223,227	$	4,232,191

24

NORTHFIELD BANCORP, INC.

Notes to Unaudited Consolidated Financial Statements - (Continued)

The following tables summarize information on non-accrual loans, excluding PCD loans, as of June 30, 2023 and December 31, 2022 (in thousands):

	June 30, 2023
	Recorded Investment		Unpaid Principal Balance		With No Related Allowance
Real estate loans:
Multifamily	$	3,223	$	3,510	$	2,042
Commercial	5,393		5,848		3,031
One-to-four family residential	109		109		—
Home equity and lines of credit	100		349		—
Commercial and industrial	1,275		2,511		69
Other	10		9		—
Total non-accrual loans	$	10,110	$	12,336	$	5,142

	December 31, 2022
	Recorded Investment		Unpaid Principal Balance		With No Related Allowance
Real estate loans:
Multifamily	$	3,285	$	3,294	$	2,050
Commercial	5,184		5,639		3,069
One-to-four family residential	118		118		—
Home equity and lines of credit	262		512		—
Commercial and industrial	964		1,288		67
Total non-accrual loans	$	9,813	$	10,851	$	5,186

The following table summarizes interest income on non-accrual loans, excluding PCD loans, during the three and six months ended June 30, 2023 and June 30, 2022 (in thousands):

	Three Months Ended June 30,				Six Months Ended June 30,
	2023		2022		2023		2022
Real estate loans:
Multifamily	$	56	$	24	$	103	$	48
Commercial	74		70		120		82
One-to-four family residential	1		7		5		10
Home equity and lines of credit	1		11		1		11
Commercial and industrial	28		7		29		8
Total interest income on non-accrual loans	$	160	$	119	$	258	$	159

25

NORTHFIELD BANCORP, INC.

Notes to Unaudited Consolidated Financial Statements - (Continued)

Collateral-Dependent Loans

Loans for which the borrower is experiencing financial difficulty and repayment is expected to be provided substantially through the operation or sale of the collateral are considered to be collateral-dependent loans. Collateral can have a significant financial effect in mitigating exposure to credit risk and, where there is sufficient collateral, an allowance for credit losses is not recognized or is minimal. For collateral-dependent loans, the allowance for credit losses is individually assessed based on the fair value of the collateral less estimated costs of sale. The Company's collateral-dependent loans are secured by real estate. Collateral values are generally based on appraisals which are adjusted for changes in market indices. As of June 30, 2023 and December 31, 2022, the Company had $7.2 million and $7.4 million of collateral-dependent impaired loans, respectively. The collateral-dependent loans at June 30, 2023 consisted of $4.8 million of commercial real estate loans, $2.0 million of multifamily loans, and $314,000 of one-to-four family residential loans. For the six months ended June 30, 2023, there was no significant deterioration or changes in the collateral securing these loans.

Loan Modifications Made to Borrowers Experiencing Financial Difficulty

Effective January 1, 2023, the Company adopted ASU 2022-02, which eliminated the accounting for TDRs while expanding loan modification and vintage disclosure requirements. See Note 1 to the consolidated financial statements for further information.

The following table presents the amortized cost basis at June 30, 2023 of loan modifications made to borrowers experiencing financial difficulty that were restructured during the three and six months ended June 30, 2023 by type of modification (dollars in thousands):

	Three and Six Months Ended June 30, 2023
		Payment Delay		Payment Delay and Interest Rate Reduction		Payment Delay, Term Extension, and Interest Rate Reductions		Total		Percent of Total Class
Commercial mortgage		$	65	$	—	$	—	$	65	0.01	%
Commercial and industrial		—		210		325		535		0.37	%
Total loans		$	65	$	210	$	325	$	600	0.06	%

The following table presents the financial effect of loan modifications made to borrowers experiencing financial difficulty during the three and six months ended June 30, 2023 (in thousands):

	Three and Six Months Ended June 30, 2023
		Weighted-Average Term Extension (in months)	Weighted-Average Interest Rate Reduction
Commercial and industrial		32	(4.65)	%

No modifications involved forgiveness of principal. There were no commitments to lend additional funds to borrowers experiencing financial difficulty whose terms have been restructured at June 30, 2023.

For restructured loans, a subsequent payment default is defined in terms of delinquency, when a principal or interest payment is 90 days past due or classified into non-accrual status during the reporting period. Of the loans restructured during the three and six months ended June 30, 2023 (since adoption of ASU 2022-02), there were no subsequent defaults as of June 30, 2023.

26

NORTHFIELD BANCORP, INC.

Notes to Unaudited Consolidated Financial Statements - (Continued)

The following table presents the aging analysis of loan modifications made to borrowers experiencing financial difficulty during the three and six months ended June 30, 2023 (in thousands):

	June 30, 2023
	Current		30-89 Days Past Due		90 Days or More Past Due		Non-Accrual		Total
Commercial mortgage	$	—	$	65	$	—	$	—	$	65
Commercial and industrial	459		76		—		—		535
Total loans	$	459	$	141	$	—	$	—	$	600

Troubled Debt Restructured Loans prior to the adoption of ASU 2022-02

Prior to the adoption of ASU 2022-02, the Company classified certain loans as TDRs when credit terms to a borrower in financial difficulty were modified, in accordance with ASC 310-40. With the adoption of ASU 2022-02 the Company has ceased to recognize or measure for new TDRs, but those existing at December 31, 2022 will remain until settled.

There were no loans modified as a TDR during the three or six months ended June 30, 2022.

At December 31, 2022 the Company had TDRs of $7.0 million.

Management classifies all TDRs as loans individually evaluated for impairment. Loans individually evaluated for impairment are assessed to determine that the loan’s carrying value is not in excess of the estimated fair value of the collateral less cost to sell, if the loan is collateral-dependent, or the present value of the expected future cash flows, if the loan is not collateral-dependent. Management performs an evaluation of each impaired loan and generally obtains updated appraisals as part of the evaluation. In addition, management adjusts estimated fair values down to appropriately consider recent market conditions, our willingness to accept a lower sales price to effect a quick sale, and costs to dispose of any supporting collateral. Determining the estimated fair value of underlying collateral (and related costs to sell) can be difficult in illiquid real estate markets and is subject to significant assumptions and estimates. Management employs an independent third-party management firm that specializes in appraisal preparation and review to ascertain the reasonableness of updated appraisals. Projecting the expected cash flows under TDRs which are not collateral-dependent is inherently subjective and requires, among other things, an evaluation of the borrower’s current and projected financial condition. Actual results may be significantly different than our projections and our established allowance for credit losses on these loans, which could have a material effect on our financial results.

At June 30, 2022, there were no restructured TDRs during the preceding twelve months that subsequently defaulted.

27

NORTHFIELD BANCORP, INC.

Notes to Unaudited Consolidated Financial Statements - (Continued)

Note 6 – Allowance for Credit Losses (“ACL”) on Loans

Allowance for Collectively Evaluated Loans Held-for-Investment

In estimating the quantitative component of the allowance on a collective basis, the Company uses a risk rating migration model which calculates an expected life of loan loss percentage for each loan by generating probability of default and loss given default metrics. These metrics are multiplied by the exposure at the potential default, taking into consideration estimated prepayments, to calculate the quantitative component of the ACL. The metrics are based on the migration of loans from performing to loss by credit risk rating or delinquency categories using historical life-of-loan analysis periods for each loan portfolio pool, and the severity of loss, based on the aggregate net lifetime losses incurred using the Company's own historical loss experience and comparable peer data loss history. The model's expected losses based on loss history are adjusted for qualitative adjustments to address risks that may not be adequately represented in the risk rating migration model. Among other things, these adjustments include and account for differences in: (i) changes in lending policies and procedures; (ii) changes in local, regional, national, and international economic and business conditions and developments that affect the collectability of our portfolio, including the condition of various market segments; (iii) changes in the experience, ability and depth of lending management and other relevant staff; (iv) changes in the quality of our loan review system; (v) the existence and effect of any concentrations of credit, and changes in the level of such concentrations; and (vi) the effect of other external factors such as competition and legal and regulatory requirements on the level of estimated credit losses in our existing portfolio.

The Company utilizes a two-year reasonable and supportable forecast period after which estimated losses revert to historical loss experience immediately for the remaining life of the loan. In establishing its estimate of expected credit losses, the Company utilizes five externally-sourced forward-looking economic scenarios developed by Moody's Analytics (“Moody's”).     

Management utilizes five different Moody's scenarios so as to incorporate uncertainties related to the economic environment. These scenarios, which range from more benign to more severe economic outlooks, include a “most likely outcome” (the “Baseline” scenario) and four less likely scenarios referred to as the “Upside” and “Downside” scenarios. Each scenario is assigned a weighting with a majority of the weighting placed on the Baseline scenario and lower weights placed on both the Upside and Downside scenarios. The weighting assigned by management is based on the economic outlook and available information at the reporting date. The model projects economic variables under each scenario based on detailed statistical analyses. The Company has identified and selected key variables that most closely correlated to its historical credit performance, which include: Gross domestic product, unemployment, and three collateral indices: the Commercial Property Price Index, the Commercial Property Price Apartment Index and the Case-Shiller Home Price Index.

28

NORTHFIELD BANCORP, INC.

Notes to Unaudited Consolidated Financial Statements - (Continued)

Allowance for Individually Evaluated Loans

The Company measures specific reserves for individual loans that do not share common risk characteristics with other loans, consisting of all loans previously modified as TDR's and non-accrual loans with an outstanding balance of $500,000 or greater. Loans individually evaluated for impairment are assessed to determine whether the loan’s carrying value is not in excess of the estimated fair value of the collateral less cost to sell, if the loan is collateral-dependent, or the present value of the expected future cash flows, if the loan is not collateral-dependent. Management performs an evaluation of each impaired loan and generally obtains updated appraisals as part of the evaluation. In addition, management adjusts estimated fair values down to appropriately consider recent market conditions, our willingness to accept a lower sales price to effect a quick sale, and costs to dispose of any supporting collateral. Determining the estimated fair value of underlying collateral (and related costs to sell) can be difficult in illiquid real estate markets and is subject to significant assumptions and estimates. Management employs an independent third-party management firm that specializes in appraisal preparation and review to ascertain the reasonableness of updated appraisals. Projecting the expected cash flows for modified loans which are not collateral-dependent is inherently subjective and requires, among other things, an evaluation of the borrower’s current and projected financial condition. Actual results may be significantly different than our projections and our established allowance for credit losses on these loans, which could have a material effect on our financial results. Individually impaired loans that have no impairment losses are not considered for collective allowances described earlier. At June 30, 2023 and December 31, 2022, the ACL for loans individually evaluated for impairment was $44,900 and $38,200, respectively.

Allowance for Credit Losses – Off-Balance Sheet Exposures

An ACL for off-balance-sheet exposures represents an estimate of expected credit losses arising from off-balance sheet exposures such as loan commitments, standby letters of credit and unused lines of credit (loans already on the books). Commitments to fund unused lines of credit are agreements to lend additional funds to customers as long as there have been no violations of any of the conditions established in the agreements (original or restructured). Commitments to originate loans generally have a fixed expiration or other termination clauses, which may require payment of a fee. Since some of these loan commitments are expected to expire without being drawn upon, total commitments do not necessarily represent future cash requirements. The reserve for off-balance sheet exposures is determined using the Current Expected Credit Losses (“CECL”) reserve factor in the related funded loan segment, adjusted for an average historical funding rate. The allowance for credit losses for off-balance sheet credit exposures is recorded in other liabilities on the consolidated balance sheets and the corresponding provision is included in other non-interest expense.

The table below summarizes the allowance for credit losses for off-balance sheet credit exposures as of, and for the three and six months ended June 30, 2023, and June 30, 2022 (in thousands):

	Three Months Ended June 30,				Six Months Ended June 30,
	2023		2022		2023		2022
Balance at beginning of period	$	902	$	2,131	$	791	$	1,852
Provision for credit losses	(661)		349		(550)		628
Balance at end of period	$	241	$	2,480	$	241	$	2,480

29

NORTHFIELD BANCORP, INC.

Notes to Unaudited Consolidated Financial Statements - (Continued)

The following tables set forth activity in our allowance for credit losses on loans, by loan type, as of, and for the three and six months ended June 30, 2023, and June 30, 2022 (in thousands):

	Three Months Ended June 30, 2023
	Real Estate
	Commercial (1)		One-to-Four Family		Home Equity and Lines of Credit		Construction and Land		Commercial and Industrial		Other		Total Loans (excluding PCD)		PCD		Total
Allowance for credit losses:
Beginning balance	$	28,030	$	3,587	$	1,398	$	286	$	4,366	$	7	$	37,674	$	3,762	$	41,436
Charge-offs	—		—		—		—		(355)		—		(355)		—		(355)
Recoveries	29		—		1		—		13		—		43		—		43
Provisions (credit)	(3,326)		227		(121)		15		3,271		—		66		(36)		30
Ending balance	$	24,733	$	3,814	$	1,278	$	301	$	7,295	$	7	$	37,428	$	3,726	$	41,154

	Three Months Ended June 30, 2022
	Real Estate
	Commercial (1)		One-to-Four Family		Home Equity and Lines of Credit		Construction and Land		Commercial and Industrial		Other		Total Loans (excluding PCD)		PCD		Total
Allowance for credit losses:
Beginning balance	27,247		3,589		679		166		2,954		9		34,644		4,630		39,274
Charge-offs	—		—		—		—		—		—		—		(525)		(525)
Recoveries	19		—		—		—		114		—		133		—		133
Provisions (credit)	799		(584)		123		119		(363)		2		96		53		149
Ending balance	$	28,065	$	3,005	$	802	$	285	$	2,705	$	11	$	34,873	$	4,158	$	39,031

(1) Commercial includes commercial real estate loans collateralized by owner-occupied, non-owner occupied, and multifamily properties.

30

NORTHFIELD BANCORP, INC.

Notes to Unaudited Consolidated Financial Statements - (Continued)

	Six Months Ended June 30, 2023
	Real Estate
	Commercial (1)		One-to-Four Family		Home Equity and Lines of Credit		Construction and Land		Commercial and Industrial		Other		Total Loans (excluding PCD)		PCD		Total
Allowance for credit losses:
Beginning balance	$	29,485	$	3,936	$	866	$	324	$	4,114	$	9	$	38,734	$	3,883	$	42,617
Charge-offs	—		—		—		—		(2,411)		—		(2,411)		(8)		(2,419)
Recoveries	34		—		1		—		27		—		62		—		62
Provisions (credit)	(4,786)		(122)		411		(23)		5,565		(2)		1,043		(149)		894
Ending balance	$	24,733	$	3,814	$	1,278	$	301	$	7,295	$	7	$	37,428	$	3,726	$	41,154

	Six Months Ended June 30, 2022
	Real Estate
	Commercial (1)		One-to-Four Family		Home Equity and Lines of Credit		Construction and Land		Commercial and Industrial		Other		Total Loans (excluding PCD)		PCD		Total
Allowance for credit losses:
Beginning balance	$	26,785	$	3,545	$	560	$	169	$	3,173	$	9	$	34,241	$	4,732	$	38,973
Charge-offs	—		—		—		—		(185)		—		(185)		(525)		(710)
Recoveries	97		—		—		—		119		—		216		—		216
Provisions (credit)	1,183		(540)		242		116		(402)		2		601		(49)		552
Ending balance	$	28,065	$	3,005	$	802	$	285	$	2,705	$	11	$	34,873	$	4,158	$	39,031

(1) Commercial includes commercial real estate loans collateralized by owner-occupied, non-owner occupied, and multifamily properties.

The allowance for credit losses on loans decreased to $41.2 million at June 30, 2023, compared to $42.6 million as of December 31, 2022, primarily due to minimal loan growth and a decrease in reserves related to non-economic qualitative loss factors in the multifamily and commercial real estate portfolios, partially offset by a worsening macroeconomic outlook and an increase in reserves for commercial and industrial loans, primarily due to a $13.8 million loan that is current and collateralized by receivables and business assets being downgraded to substandard.

31

NORTHFIELD BANCORP, INC.

Notes to Unaudited Consolidated Financial Statements - (Continued)

The following tables detail the amount of loans receivable held-for-investment, net of deferred loan fees and costs, that are evaluated, individually and collectively, for impairment, and the related portion of the allowance for credit losses that is allocated to each loan portfolio segment, at June 30, 2023 and December 31, 2022 (in thousands):

	June 30, 2023
	Real Estate
	Commercial (1)		One-to-Four Family		Home Equity and Lines of Credit		Construction and Land		Commercial and Industrial		Other		Total Loans (excluding PCD)		PCD		Total
Allowance for credit losses:
Ending balance: individually evaluated for impairment	$	24	$	—	$	3	$	—	$	18	$	—	$	45	$	—	$	45
Ending balance: collectively evaluated for impairment	24,709		3,814		1,275		301		7,277		7		37,383		—		37,383
Ending balance: PCD loans evaluated for impairment (2)	—		—		—		—		—		—		—		3,726		3,726
Loans, net:
Ending balance	$	3,757,789	$	170,767	$	158,517	$	29,444	$	143,314	$	2,663	$	4,262,494	$	11,548	$	4,274,042
Ending balance: individually evaluated for impairment	7,916		636		25		—		89		—		8,666		—		8,666
Ending balance: collectively evaluated for impairment	3,749,873		170,131		158,492		29,444		142,859		2,663		4,253,462		—		4,253,462
Ending balance: PCD loans evaluated for impairment (2)	—		—		—		—		—		—		—		11,548		11,548
PPP loans not evaluated for impairment (3)	—		—		—		—		366		—		366		—		366

	December 31, 2022
	Real Estate
	Commercial (1)		One-to-Four Family		Home Equity and Lines of Credit		Construction and Land		Commercial and Industrial		Other		Total Loans (excluding PCD)		PCD		Total
Allowance for credit losses:
Ending balance: individually evaluated for impairment	$	18	$	—	$	2	$	—	$	18	$	—	$	38	$	—	$	38
Ending balance: collectively evaluated for impairment	29,467		3,936		864		324		4,096		9		38,696		—		38,696
Ending balance: PCD loans evaluated for impairment (2)	—		—		—		—		—		—		—		3,883		3,883
Loans, net:
Ending balance	$	3,723,828	$	173,946	$	152,555	$	24,932	$	154,700	$	2,230	$	4,232,191	$	11,502	$	4,243,693
Ending balance: individually evaluated for impairment	8,152		666		27		—		94		—		8,939		—		8,939
Ending balance: collectively evaluated for impairment	3,715,676		173,280		152,528		24,932		149,463		2,230		4,218,109		—		4,218,109
Ending balance: PCD loans evaluated for impairment (2)	—		—		—		—		—		—		—		11,502		11,502
PPP loans not evaluated for impairment (3)	—		—		—		—		5,143		—		5,143		—		5,143

(1) Commercial includes commercial real estate loans collateralized by owner-occupied, non-owner occupied, and multifamily properties.

(2) Upon adoption of CECL, the Company elected to maintain pools of PCD loans that were previously accounted for under ASC 310-30, and will continue to evaluate PCD loans under this guidance.

(3) PPP loans are guaranteed by the SBA and therefore excluded from the allowance for credit losses.

32

NORTHFIELD BANCORP, INC.

Notes to Unaudited Consolidated Financial Statements - (Continued)

Note 7 – Deposits

Deposit account balances are summarized as follows (in thousands):

	June 30, 2023		December 31, 2022
Non-interest-bearing checking	$	754,498	$	852,660
Negotiable orders of withdrawal ("NOW") and interest-bearing checking	1,116,000		1,132,290
Savings and money market	1,239,673		1,425,247
Certificates of deposit	654,232		740,022
Total deposits	$	3,764,403	$	4,150,219

Interest expense on deposit accounts is summarized for the periods indicated (in thousands):

	Three Months Ended June 30,				Six Months Ended June 30,
	2023		2022		2023		2022
NOW and interest-bearing checking, savings, and money market	$	6,486	$	599	$	10,329	$	1,170
Certificates of deposit	3,997		735		7,975		1,323
Total interest expense on deposit accounts	$	10,483	$	1,334	$	18,304	$	2,493

Note 8 – Subordinated Debt

On June 17, 2022, the Company issued $62.0 million in aggregate principal amount of fixed-to-floating subordinated notes (the “Notes”) to certain institutional investors. The Notes mature on June 30, 2032, unless redeemed earlier. The Notes initially bear interest, payable semi-annually in arrears, at a fixed rate of 5.00% per annum until June 30, 2027. Beginning June 30, 2027 and until maturity or redemption, the interest rate applicable to the outstanding principal amount of the Notes due will reset quarterly to an interest rate per annum equal to the then current three-month Secured Overnight Financing Rate plus 200 basis points, payable quarterly in arrears. The Company has the option to redeem the Notes, at par and in whole or in part, beginning on June 30, 2027 and to redeem the Notes at any time in whole upon certain other events. Any redemption of the Notes will be subject to prior regulatory approval to the extent required. Debt issuance costs totaled $1.1 million and are being amortized to maturity. The Company recognized amortization expense of $56,000 and $112,000 for the three and six months ended June 30, 2023, respectively. The Company intends to use the net proceeds from the issuance of the Notes for general corporate purposes, including to fund potential repurchases of shares of the Company’s outstanding common stock.

33

NORTHFIELD BANCORP, INC.

Notes to Unaudited Consolidated Financial Statements - (Continued)

Note 9 – Equity Incentive Plans

The following table is a summary of the Company’s stock options outstanding as of June 30, 2023, and changes therein during the six months then ended.

	Number of Stock Options	Weighted Average Grant Date Fair Value		Weighted Average Exercise Price		Weighted Average Contractual Life (years)
Outstanding - December 31, 2022	1,582,826	$	4.03	$	14.04	2.01
Forfeited	(10,900)	3.98		13.80		—
Exercised	(7,600)	3.91		13.13		—
Outstanding - June 30, 2023	1,564,326	4.03		14.05		1.51
Exercisable - June 30, 2023	1,564,326	4.03		14.05		1.51

 On January 27, 2023, the Company granted to directors and employees, under the 2019 Equity Incentive Plan, 157,525 restricted stock awards with a total grant-date fair value of $2.3 million. Of these grants, 33,813 vest one year from the date of grant and 123,712 vest in equal installments over a three-year period beginning one year from the date of grant. The Company also issued 34,724 performance-based restricted stock units to its executive officers with a total grant date fair value of $499,000. Vesting of the performance-based restricted stock units will be based on achievement of certain levels of Core Return on Average Assets and will cliff-vest after a three-year measurement period ended January 27, 2026. At the end of the performance period, the number of actual shares to be awarded may vary between 0% and 120% of target amounts.

The following is a summary of the status of the Company’s restricted stock awards and performance-based restricted stock units at June 30, 2023, and changes therein during the six months then ended.

	Number of Shares Awarded	Weighted Average Grant Date Fair Value
Non-vested at December 31, 2022	321,501	$	14.66
Granted	192,249	14.37
Incremental performance-based restricted stock units earned	10,353	—
Vested	(124,586)	15.27
Forfeited	(35,157)	14.33
Non-vested at June 30, 2023	364,360	14.36

Expected future stock award expense related to the non-vested restricted share awards and performance-based restricted stock units as of June 30, 2023, was $4.3 million over a weighted average period of 2.1 years.

During the three months ended June 30, 2023 and June 30, 2022, the Company recorded $507,000 and $449,000, respectively, of stock-based compensation related to the above plan. During the six months ended June 30, 2023 and June 30, 2022, the Company recorded $1.2 million and $845,000, respectively, of stock-based compensation related to the above plan.

Note 10 – Fair Value Measurements

The following tables present the assets reported on the consolidated balance sheets at their estimated fair value as of June 30, 2023, and December 31, 2022, by level within the fair value hierarchy as required by the Fair Value Measurements and Disclosures Topic of the FASB ASC. Financial assets and liabilities are classified in their entirety based on the level of input that is significant to the fair value measurement. The fair value hierarchy is as follows:

•Level 1 Inputs – Unadjusted quoted prices in active markets for identical assets or liabilities that the reporting entity has the ability to access at the measurement date.

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NORTHFIELD BANCORP, INC.

Notes to Unaudited Consolidated Financial Statements - (Continued)

•Level 2 Inputs – Inputs other than quoted prices included in Level 1 that are observable for the asset or liability, either directly or indirectly. These include quoted prices for similar assets or liabilities in active markets, quoted prices for identical or similar assets or liabilities in markets that are not active, inputs other than quoted prices that are observable for the asset or liability (for example, interest rates, volatilities, prepayment speeds, loss severities, credit risks and default rates) or inputs that are derived principally from or corroborated by observable market data by correlations or other means.

•Level 3 Inputs – Significant unobservable inputs that reflect the Company’s own assumptions that market participants would use in pricing the assets or liabilities.

The methods of determining the fair value of assets and liabilities presented in this note are consistent with our methodologies disclosed in Note 17 to the Consolidated Financial Statements of the Company’s 2022 Annual Report on Form 10-K.

	Fair Value Measurements at June 30, 2023 Using:
	Carrying Value		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
	(in thousands)
Measured on a recurring basis:
Assets:
Investment securities:
Debt securities available-for-sale:
U.S. Government agency	$	72,086	$	—	$	72,086	$	—
Mortgage-backed securities:
Pass-through certificates:
GSE	378,559		—		378,559		—
REMICs:
GSE	236,046		—		236,046		—
	614,605		—		614,605		—
Other debt securities:
Corporate bonds	115,566		—		115,566		—
	115,566		—		115,566		—
Total debt securities available-for-sale	802,257		—		802,257		—
Trading securities	11,731		11,731		—		—
Equity securities (1)	653		653		—		—
Total	$	814,641	$	12,384	$	802,257	$	—
Measured on a non-recurring basis:
Assets:
Loans individually evaluated for impairment:
Real estate loans:
Commercial real estate	$	2,460	$	—	$	—	$	2,460
Multifamily	1,923		—		—		1,923
Home equity and lines of credit	22		—		—		22
Total individually evaluated real estate loans	4,405		—		—		4,405
Commercial and industrial loans	61		—		—		61
Total	$	4,466	$	—	$	—	$	4,466

(1) Excludes investment measured at net asset value of $10.0 million at June 30, 2023, which has not been classified in the fair value hierarchy.

35

NORTHFIELD BANCORP, INC.

Notes to Unaudited Consolidated Financial Statements - (Continued)

	Fair Value Measurements at December 31, 2022 Using:
	Carrying Value		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
	(in thousands)
Measured on a recurring basis:
Assets:
Investment securities:
Debt securities available-for-sale:
U.S. Government agency securities	$	72,076	$	—	$	72,076	$	—
Mortgage-backed securities:
Pass-through certificates:
GSE	432,618		—		432,618		—
REMICs:
GSE	264,724		—		264,724		—
	697,342		—		697,342		—
Other debt securities:
Municipal bonds	21		—		21		—
Corporate bonds	182,734		—		182,734		—
	182,755		—		182,755		—
Total debt securities available-for-sale	952,173		—		952,173		—
Trading securities	10,751		10,751		—		—
Equity securities (1)	361		361		—		—
Total	$	963,285	$	11,112	$	952,173	$	—
Measured on a non-recurring basis:
Assets:
Loans individually evaluated for impairment:
Real estate loans:
Commercial real estate	$	2,631	$	—	$	—	$	2,631
Multifamily	1,923		—		—		1,923
Home equity and lines of credit	24		—		—		24
Total impaired real estate loans	4,578		—		—		4,578
Commercial and industrial loans	62		—		—		62
Total	$	4,640	$	—	$	—	$	4,640

(1) Excludes investment measured at net asset value of $10.1 million at December 31, 2022, which has not been classified in the fair value hierarchy.

The following table presents qualitative information for Level 3 assets measured at fair value on a non-recurring basis at June 30, 2023 and December 31, 2022 (dollars in thousands):

	Fair Value				Valuation Methodology	Unobservable Inputs	Range of Inputs
	June 30, 2023		December 31, 2022				June 30, 2023	December 31, 2022
Individually evaluated loans	$	4,466	$	4,640	Appraisals	Discount for costs to sell	7.0%	7.0%
						Discount for quick sale	10.0%	10.0%
					Discounted cash flows	Interest rates	4.88% to 7.50%	4.88% to 7.50%

    

36

NORTHFIELD BANCORP, INC.

Notes to Unaudited Consolidated Financial Statements - (Continued)

The valuation techniques described below were used to measure fair value of financial instruments in the tables below on a recurring basis and a non-recurring basis at June 30, 2023, and December 31, 2022.

Debt Securities Available for Sale: The estimated fair values for mortgage-backed securities, corporate, and other debt securities are obtained from an independent nationally recognized third-party pricing service. The estimated fair values are derived primarily from cash flow models, which include assumptions for interest rates, credit losses, and prepayment speeds. Broker/dealer quotes are utilized as well, when such quotes are available and deemed representative of the market. The significant inputs utilized in the cash flow models are based on market data obtained from sources independent of the Company (Observable Inputs), and are therefore classified as Level 2 within the fair value hierarchy. There were no transfers of securities between Level 1 and Level 2 during the six months ended June 30, 2023 or June 30, 2022.     

Trading Securities: Fair values are derived from quoted market prices in active markets. The assets consist of publicly traded mutual funds.

Equity Securities: Fair values of equity securities consisting of publicly traded mutual funds are derived from quoted market prices in active markets.

Loans Individually Evaluated for Impairment: At June 30, 2023 and December 31, 2022, the Company had loans individually evaluated for impairment (excluding PCD loans) with outstanding principal balances of $6.2 million and $6.7 million, respectively, which were recorded at their estimated fair value of $4.5 million and $4.6 million, respectively. The Company recorded net increases in the specific reserve for impaired loans of $7,000 and $6,000 for the six months ended June 30, 2023 and June 30, 2022, respectively. Net charge-offs of $2.4 million and $494,000 were recorded for the six months ended June 30, 2023 and June 30, 2022, respectively, utilizing Level 3 inputs. For purposes of estimating the fair value of impaired loans, management utilizes independent appraisals, if the loan is collateral-dependent, adjusted downward by management, as necessary, for changes in relevant valuation factors subsequent to the appraisal date, or the present value of expected future cash flows for non-collateral dependent loans and TDRs.

Other Real Estate Owned: At June 30, 2023 and December 31, 2022, the Company had no assets acquired through foreclosure.

In addition, the Company may be required, from time to time, to measure the fair value of certain other financial assets on a nonrecurring basis in accordance with U.S. GAAP. The adjustments to fair value usually result from the application of lower-of-cost-or-market accounting or write downs of individual assets.

Fair Value of Financial Instruments:

The FASB ASC Topic for Financial Instruments requires disclosure of the fair value of financial assets and financial liabilities, including those financial assets and financial liabilities that are not measured and reported at fair value on a recurring or non-recurring basis. The methodologies for estimating the fair value of financial assets and financial liabilities that are measured at fair value on a recurring or non-recurring basis are discussed above. The following methods and assumptions were used to estimate the fair value of other financial assets and financial liabilities not already discussed above:

(a)     Cash and Cash Equivalents

Cash and cash equivalents are short-term in nature with original maturities of three months or less; the carrying amount approximates fair value. Certificates of deposit having original terms of six-months or less; the carrying value generally approximates fair value. Certificates of deposit with an original maturity of six months or greater; the fair value is derived from discounted cash flows.

(b)    Debt Securities (Held-to-Maturity)

The estimated fair values for substantially all of our securities are obtained from an independent nationally recognized pricing service. The independent pricing service utilizes market prices of same or similar securities whenever such prices are available. Prices involving distressed sellers are not utilized in determining fair value. Where necessary, the independent third-party pricing service estimates fair value using models employing techniques such as discounted cash flow analysis. The assumptions used in these models typically include assumptions for interest rates, credit losses, and prepayments, utilizing market observable data where available.

37

NORTHFIELD BANCORP, INC.

Notes to Unaudited Consolidated Financial Statements - (Continued)

(c)    Investments in Equity Securities at Net Asset Value Per Share

The Company uses net asset value as a practical expedient to record its investment in a private SBA Loan Fund since the shares in the fund are not publicly traded, do not have a readily determinable fair value and the net asset value per share is calculated in a manner consistent with the measurement principles of an investment company.

(d)    Federal Home Loan Bank of New York Stock

Federal Home Loan Bank of New York ("FHLBNY") stock is carried at cost, which approximates fair value, since this is the amount for which it could be redeemed and there is no active market for this stock.

(e)    Loans (Held-for-Investment)

Fair values are estimated for portfolios of loans with similar financial characteristics. Loans are segregated by type such as originated and purchased, and further segregated by residential mortgage, construction, land, multifamily, commercial and consumer. Each loan category is further segmented into amortizing and non-amortizing and fixed and adjustable rate interest terms and by performing and non-performing categories. The fair value of loans is estimated using a discounted cash flow analysis. The discount rates used to determine fair value use interest rate spreads that reflect factors such as liquidity, credit, and non-performance risk of the loans.

(f)    Loans (Held-for-Sale)

Held-for-sale loans are carried at the lower of aggregate cost or estimated fair value, less costs to sell, and therefore fair value is equal to carrying value.

(g)    Deposits

The fair value of deposits with no stated maturity, such as interest and non-interest bearing demand deposits, savings, NOW and money market accounts, is equal to the amount payable on demand. The fair value of certificates of deposit is based on the discounted value of contractual cash flows. The discount rate is estimated using the rates currently offered for deposits of similar remaining maturities.

(h)    Commitments to Extend Credit and Standby Letters of Credit

The fair value of commitments to extend credit and standby letters of credit is estimated using the fees currently charged to enter into similar agreements, taking into account the remaining terms of the agreements and the present creditworthiness of the counterparties. For fixed-rate loan commitments, fair value also considers the difference between current levels of interest rates and the committed rates. The fair value of off-balance sheet commitments is insignificant and therefore not included in the following table.

 (i)    Borrowings

The fair value of borrowed funds is estimated by discounting future cash flows based on rates currently available for debt with similar terms and remaining maturity.

(j)    Advance Payments by Borrowers for Taxes and Insurance

Advance payments by borrowers for taxes and insurance have no stated maturity; the fair value is equal to the amount currently payable.

(k)    Derivatives

The fair value of the Company's derivatives is determined using discounted cash flow analysis using observable market-based inputs, which are considered Level 2 inputs.

38

NORTHFIELD BANCORP, INC.

Notes to Unaudited Consolidated Financial Statements - (Continued)

The estimated fair values of the Company’s significant financial instruments at June 30, 2023 and December 31, 2022, are presented in the following tables (in thousands):

	June 30, 2023
			Estimated Fair Value
	Carrying Value		Level 1		Level 2		Level 3		Total
Financial assets:
Cash and cash equivalents	$	89,127	$	89,127	$	—	$	—	$	89,127
Trading securities	11,731		11,731		—		—		11,731
Debt securities available-for-sale	802,257		—		802,257		—		802,257
Debt securities held-to-maturity	10,316		—		9,946		—		9,946
Equity securities (1)	653		653		—		—		653
FHLBNY stock, at cost	40,376		—		40,376		—		40,376
Net loans held-for-investment	4,232,888		—		—		4,044,104		4,044,104
Derivative assets	5,334		—		5,334		—		5,334
Financial liabilities:
Deposits	$	3,764,403	$	—	$	3,765,299	$	—	$	3,765,299
FHLB advances and other borrowings (including securities sold under agreements to repurchase)	923,535		—		897,657		—		897,657
Subordinated debentures, net of issuance costs	61,108		—		51,788		—		51,788
Advance payments by borrowers for taxes and insurance	29,117		—		29,117		—		29,117
Derivative liabilities	5,335		—		5,335		—		5,335

(1) Excludes investment measured at net asset value of $10.0 million at June 30, 2023, which has not been classified in the fair value hierarchy.

	December 31, 2022
			Estimated Fair Value
	Carrying Value		Level 1		Level 2		Level 3		Total
Financial assets:
Cash and cash equivalents	$	45,799	$	45,799	$	—	$	—	$	45,799
Trading securities	10,751		10,751		—		—		10,751
Debt securities available-for-sale	952,173		—		952,173		—		952,173
Debt securities held-to-maturity	10,760		—		10,389		—		10,389
Equity securities (1)	361		361		—		—		361
FHLBNY stock, at cost	30,382		—		30,382		—		30,382
Net loans held-for-investment	4,201,076		—		—		4,016,849		4,016,849
Derivative assets	5,321		—		5,321		—		5,321
Financial liabilities:
Deposits	$	4,150,219	$	—	$	4,148,938	$	—	$	4,148,938
FHLB advances and other borrowings (including securities sold under agreements to repurchase)	583,859		—		564,588		—		564,588
Subordinated debentures, net of issuance costs	60,996				54,393				54,393
Advance payments by borrowers for taxes and insurance	25,995		—		25,995		—		25,995
Derivative liabilities	5,321		—		5,321		—		5,321

(1) Excludes investment measured at net asset value of $10.1 million at December 31, 2022, which has not been classified in the fair value hierarchy.

39

NORTHFIELD BANCORP, INC.

Notes to Unaudited Consolidated Financial Statements - (Continued)

Limitations

Fair value estimates are made at a specific point in time, based on relevant market information and information about the financial instrument. These estimates do not reflect any premium or discount that could result from offering for sale at one time the Company’s entire holdings of a particular financial instrument. Because no market exists for a significant portion of the Company’s financial instruments, fair value estimates are based on judgments regarding future expected losses, current economic conditions, risk characteristics of various financial instruments, and other factors. These estimates are subjective in nature and involve uncertainties and matters of significant judgment and, therefore, cannot be determined with precision. Changes in assumptions could significantly affect the estimates.

Fair value estimates are based on existing on-and off-balance sheet financial instruments without attempting to estimate the value of anticipated future business and the value of assets and liabilities that are not considered financial instruments. In addition, the tax ramifications related to the realization of the unrealized gains and losses can have a significant effect on fair value estimates and have not been considered in the estimates.

Note 11 – Earnings Per Share

Basic earnings per share is computed by dividing net income available to common stockholders by the weighted average number of shares outstanding during the period. For purposes of calculating basic earnings per share, weighted average common shares outstanding excludes unallocated employee stock ownership plan (“ESOP”) shares that have not been committed for release and unvested restricted stock and performance-based restricted stock units.

Diluted earnings per share is computed using the same method as basic earnings per share, but reflects the potential dilution that could occur if stock options were exercised and converted into common stock and unvested shares of restricted stock and performance-based restricted stock units vested. These potentially dilutive shares are then included in the weighted average number of shares outstanding for the period using the treasury stock method. When applying the treasury stock method we added the assumed proceeds from option exercises and the average unamortized compensation costs related to unvested shares of restricted stock, performance-based restricted stock units and stock options. We then divided this sum by our average stock price for the period to calculate assumed shares repurchased. The excess of the number of shares issuable over the number of shares assumed to be repurchased is added to basic weighted average common shares to calculate diluted earnings per share.

The following is a summary of the Company’s earnings per share calculations and reconciliation of basic to diluted earnings per share for the periods indicated (in thousands, except per share data):

	Three Months Ended June 30,				Six Months Ended June 30,
	2023		2022		2023		2022
Net income available to common stockholders	$	9,559	$	15,874	$	21,266	$	30,001
Weighted average shares outstanding-basic	43,914,110		46,591,723		44,346,881		46,708,716
Effect of non-vested restricted stock and stock, performance-based restricted stock units and options outstanding	38,829		46,390		91,752		161,717
Weighted average shares outstanding-diluted	43,952,939		46,638,113		44,438,633		46,870,433
Earnings per share-basic	$	0.22	$	0.34	$	0.48	$	0.64
Earnings per share-diluted	$	0.22	$	0.34	$	0.48	$	0.64
Anti-dilutive shares	1,849,258		1,922,988		1,384,805		1,098,229

Note 12 – Leases

The Company’s leases primarily relate to real estate property for branches and office space with terms extending from six months up to 32.0 years. At June 30, 2023, all of the Company's leases are classified as operating leases, which are required to be recognized on the consolidated balance sheets as a right-of-use asset and a corresponding lease liability.

40

NORTHFIELD BANCORP, INC.

Notes to Unaudited Consolidated Financial Statements - (Continued)

The Company determines if an arrangement is a lease at inception. Operating leases are included in operating lease right-of-use assets and operating lease liabilities on the consolidated balance sheets. Right-of-use assets represent the right to use an underlying asset for the lease term and lease liabilities represent the obligation to make lease payments arising from the lease. Operating lease right-of-use assets and liabilities are recorded at the present value of lease payments over the lease term. As the Company's leases do not provide an implicit rate, the Company uses its incremental borrowing rate, at lease inception, over a similar term in determining the present value of lease payments. Certain leases include options to renew, with one or more renewal terms ranging from five to ten years. If the exercise of a renewal option is considered to be reasonably certain, the Company includes the extended term in the calculation of the right-of-use asset and lease liability.

At June 30, 2023, the Company’s operating lease right-of-use assets and operating lease liabilities included on the consolidated balance sheet were $32.0 million and $37.3 million, respectively. At December 31, 2022, the Company’s operating lease right-of-use assets and operating lease liabilities included on the consolidated balance sheet were $34.3 million and $39.8 million, respectively. Operating lease expense is recognized on a straight-line basis over the lease term, while variable lease payments are recognized as incurred. Variable lease payments include common area maintenance charges, real estate taxes, repairs and maintenance costs and utilities. Operating and variable lease expenses are recorded in occupancy expense on the consolidated statements of comprehensive income.

Supplemental lease information at or for the three and six months ended June 30, 2023, and June 30, 2022 is as follows (dollars in thousands):

	Three Months Ended June 30,				Six Months Ended June 30,
	2023		2022		2023			2022
Operating lease cost	$	1,504	$	1,521	$	3,011		$	2,990
Variable lease cost	936		863		1,842			1,828
Net lease cost	$	2,440	$	2,384	$	4,853		$	4,818
Cash paid for amounts included in measurement of operating lease liabilities	$	1,615	$	1,597	$	3,221		$	3,161
Right-of-use assets obtained in exchange for new operating lease liabilities	$	—	$	4,983	$	63		$	4,983
Weighted average remaining lease term					11.14 years			11.37 years
Weighted average discount rate					3.56		%	3.52		%

The following table summarizes lease payment obligations for each of the next five years and thereafter in addition to a reconcilement to the Company's current lease liability (in thousands):

Year	Amount
2023	$	3,263
2024	6,059
2025	5,718
2026	4,955
2027	3,995
Thereafter	22,705
Total lease payments	46,695
Less: imputed interest	(9,421)
Present value of lease liabilities	$	37,274

As of June 30, 2023, the Company had entered into an additional operating lease that has not yet commenced related to a new branch expected to open in the fall of 2023. The lease has an initial term of 10 years with undiscounted cash payments of approximately $850,000 in total.

41

NORTHFIELD BANCORP, INC.

Notes to Unaudited Consolidated Financial Statements - (Continued)

Note 13 – Derivatives

The Company has interest rate derivatives resulting from a service provided to certain qualified borrowers in a loan-related transaction and, therefore, are not used to manage interest rate risk in the Company’s assets or liabilities. The interest rate swap agreement which the Company executed with the commercial borrower is collateralized by the borrower’s commercial real estate financed by the Company. The collateral exceeds the maximum potential amount of future payments under the credit derivative. As these interest rate swaps do not meet the hedge accounting requirements, changes in the fair value of both the customer swaps and the offsetting swaps are recognized directly in earnings.

At June 30, 2023, the Company had eight interest rate swaps with a notional amount of $61.3 million. At December 31, 2022, the Company had seven interest rate swaps with a notional amount of $37.0 million. There was no fee income related to these swaps for the three months ended June 30, 2023. The Company recorded swap fee income of $231,000 for the six months ended June 30, 2023. There was no fee income related to these swaps for the three and six months ended June 30, 2022.

The table below presents the fair value of the derivatives as well as their location on the consolidated balance sheets (in thousands):

	Fair Value
Balance Sheet Location	June 30, 2023		December 31, 2022
Other assets	$	5,334	$	5,321
Other liabilities	5,335		5,321

42

ITEM 2.    MANAGEMENT’S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS

Cautionary Statement Regarding Forward-Looking Statements

This Quarterly Report contains certain “forward-looking statements,” which can be identified by the use of such words as “estimate,” “project,” “believe,” “intend,” “anticipate,” “plan,” “seek,” “expect,” “annualized,” “could,” “may,” “should,” “will,” and words of similar meaning. These forward-looking statements include, but are not limited to:

•statements of our goals, intentions, and expectations;

•statements regarding our business plans, prospects, growth and operating strategies;

•statements regarding the quality of our loan and investment portfolios; and

•estimates of our risks and future costs and benefits. 

These forward-looking statements are based on current beliefs and expectations of our management and are inherently subject to significant business, economic and competitive uncertainties and contingencies, many of which are beyond our control. In addition, these forward-looking statements are subject to assumptions with respect to future business strategies and decisions that are subject to change. 

The following factors, among others, could cause actual results to differ materially from the anticipated results or other expectations expressed in the forward-looking statements:   

•general economic conditions, internationally, nationally, or in our market areas, including inflationary and/or recessionary pressures, supply chain disruptions, employment prospects, real estate values, and geopolitical risks that are worse than expected;

•competition among depository and other financial institutions, including with respect to reduction of overdraft and other fees;

•inflation and changes in the interest rate environment that reduce our margins and yields, or reduce the market value of our assets including the fair value of financial instruments;

•adverse changes in the securities or credit markets;

•changes in laws, tax policies, or government regulations or policies affecting financial institutions, changes in regulatory fees, assessments, and capital requirements;

•changes in the quality and/or composition of our loan and securities portfolios;

•our ability to manage our liquidity, including the size and composition of our deposit portfolio, including the percentage of uninsured deposits in the portfolio;

•our ability to enter new markets successfully and capitalize on growth opportunities;

•our ability to access and/or retain cost-effective funding;

•our ability to successfully integrate acquired entities;

•changes in consumer demand, spending, borrowing and savings habits;

•changes in accounting policies and practices, as may be adopted by the bank regulatory agencies, the Financial Accounting Standards Board (the “FASB”), the Securities and Exchange Commission (the “SEC”), or the Public Company Accounting Oversight Board;

•cyber-attacks, computer viruses and other technological risks that may breach the security of our website or other systems to obtain unauthorized access to confidential information and destroy data or disable our systems;

•technological changes that may be more difficult or expensive to implement than expected;

•changes in our organization, compensation, and benefit plans;

•our ability to attract and/or retain key employees;

•the current or anticipated impact of military conflict, terrorism or other geopolitical events;

•changes in the level of government support for housing finance;

•changes in monetary or fiscal policies of the U.S. Government, including policies of the U.S. Treasury and the Federal Reserve Board;

•the ability of third-party providers to perform their obligations to us;

•the effects of any U.S. Government shutdowns;

•the effects of natural disasters and increases in flood insurance premiums;

•the disruption to local, regional, national and global economic activity caused by infectious disease outbreaks such as COVID-19, and the significant impact that such pandemics may have on our growth, operations, earnings and asset quality;

•significant increases in our loan losses; and

•changes in the financial condition, results of operations, or future prospects of issuers of securities that we own.

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Because of these and other uncertainties, our actual future results may be materially different from the results indicated by these forward-looking statements. Accordingly, you should not place undue reliance on such statements. Except as required by law, we disclaim any intention or obligation to update or revise any forward-looking statements after the date of this Quarterly Report on Form 10-Q, whether as a result of new information, future events or otherwise.

Critical Accounting Policies

Note 1 to the Company’s Audited Consolidated Financial Statements for the year ended December 31, 2022, included in the Company’s Annual Report on Form 10-K, as supplemented by this report, contains a summary of significant accounting policies. Various elements of these accounting policies, by their nature, are inherently subject to estimation techniques, valuation assumptions and other subjective assessments. Certain assets are carried in the consolidated balance sheets at estimated fair value or the lower of cost or estimated fair value. Policies with respect to the methodologies used to determine the allowance for credit losses on loans and judgments regarding the valuation allowance against deferred tax assets are the most critical accounting policies because they are important to the presentation of the Company’s financial condition and results of operations, involve a higher degree of complexity, and require management to make subjective judgments which often require assumptions or estimates about highly uncertain matters. The use of different judgments, assumptions, and estimates could result in material differences in the results of operations or financial condition. These critical accounting policies and their application are reviewed periodically and, at least annually, with the Audit Committee of the Board of Directors. 

The accounting estimates relating to the allowance for credit losses remain "critical accounting estimates" for the following reasons:

•Changes in the provision for credit losses can materially affect our financial results;

•Estimates relating to the allowance for credit losses require us to utilize a reasonable and supportable forecast period based upon forward-looking economic scenarios in order to estimate probability of default and loss given default rates which our Current Expected Credit Losses (“CECL”) methodology encompasses;

•The allowance for credit losses is influenced by factors outside of our control such as industry and business trends, as well as economic conditions such as trends in housing prices, interest rates, gross domestic product, inflation, and unemployment; and

•Judgment is required to determine whether the models used to generate the allowance for credit losses produce an estimate that is sufficient to encompass the current view of lifetime expected credit losses.

Our estimation process is subject to risks and uncertainties, including a reliance on historical loss and trend information that may not be representative of current conditions and indicative of future performance. Changes in such estimates could significantly impact our allowance and provision for credit losses. Accordingly, our actual credit loss experience may not be in line with our expectations.

For a further discussion of the critical accounting policies of the Company, see “Management’s Discussion and Analysis of Financial Condition and Results of Operations” in the Company’s Annual Report on Form 10-K for the year ended December 31, 2022.

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Overview

This overview highlights selected information and may not contain all the information that is important to you in understanding our performance during the periods presented. For a more complete understanding of trends, events, commitments, uncertainties, liquidity, capital resources, and critical accounting estimates, you should read this entire document carefully, as well as our Annual Report on Form 10-K for the year ended December 31, 2022.

Net income was $21.3 million for the six months ended June 30, 2023, as compared to $30.0 million for the six months ended June 30, 2022. Basic and diluted earnings per common share were $0.48 for the six months ended June 30, 2023, compared to basic and diluted earnings per common share of $0.64 for the six months ended June 30, 2022. For the six months ended June 30, 2023, our return on average assets was 0.77%, as compared to 1.09% for the six months ended June 30, 2022. For the six months ended June 30, 2023, our return on average stockholders’ equity was 6.16% as compared to 8.37% for the six months ended June 30, 2022. Net earnings for the six months ended June 30, 2023, were down from the comparative prior year period primarily due to an increase in interest expense on deposits and other borrowed funds, offset in part by an increase in interest income on loans. Net earnings for the six months ended June 30, 2023. included severance expense of approximately $440,000.

Total assets decreased by $60.5 million, or 1.1%, to $5.54 billion at June 30, 2023, from $5.60 billion at December 31, 2022. Total liabilities decreased $45.7 million, or 0.9%, to $4.85 billion at June 30, 2023, from $4.90 billion at December 31, 2022.

Recent Developments

Bank failures earlier in the year led to uncertainty and volatility in the financial services industry. In response to these events, the Company took a series of precautionary measures, which included expanding and optimizing its funding and contingency funding sources; enhanced monitoring of deposit and funding flows; evaluated supplemental liquidity and capital resources; and curtailed loan originations. Refer to the “Liquidity and Capital Resources” section for further information regarding liquidity.

Comparison of Financial Condition at June 30, 2023 and December 31, 2022

Total assets decreased by $60.5 million, or 1.1%, to $5.54 billion at June 30, 2023, from $5.60 billion at December 31, 2022. The decrease was primarily due to a decrease in available-for-sale debt securities of $149.9 million, or 15.7%, partially offset by increases in cash and cash equivalents of $43.3 million, or 94.6%, loans receivable of $31.3 million, or 0.7%, Federal Home Loan Bank of New York (“FHLBNY”) stock of $10.0 million, or 32.9%, and other assets of $3.1 million, or 5.7%.

Cash and cash equivalents increased by $43.3 million, or 94.6%, to $89.1 million at June 30, 2023, from $45.8 million at December 31, 2022, primarily due to an increase in Federal Reserve Bank of New York (“FRB”) balances driven by excess cash from borrowings. Balances fluctuate based on the timing of receipt of security and loan repayments and the redeployment of cash into higher-yielding assets such as loans and securities, or the funding of deposit outflows or borrowing maturities. For the six months ended June 30, 2023, Management believed it was prudent to increase balance sheet liquidity given general market volatility and uncertainty.

The Company’s available-for-sale debt securities portfolio decreased by $149.9 million, or 15.7%, to $802.3 million at June 30, 2023, from $952.2 million at December 31, 2022. The decrease was primarily attributable to paydowns, maturities and calls. At June 30, 2023, $614.6 million of the portfolio consisted of residential mortgage-backed securities issued or guaranteed by Fannie Mae, Freddie Mac, or Ginnie Mae. In addition, the Company held $72.1 million in U.S. Government agency securities and $115.6 million in corporate bonds, all of which were considered investment grade at June 30, 2023. Unrealized losses, net of tax, on available-for-sale debt securities and held-to-maturity securities approximated $45.3 million and $326,000, respectively, at June 30, 2023, and $48.6 million and $332,000, respectively, at December 31, 2022. The effective duration of the securities portfolio at June 30, 2023 was 2.33 years.

Equity securities were $10.7 million at June 30, 2023 and $10.4 million at December 31, 2022. Equity securities are primarily comprised of an investment in a Small Business Administration Loan Fund. This investment is utilized by the Bank as part of its Community Reinvestment Act program.

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As of June 30, 2023, our non-owner occupied commercial real estate loans (as defined by regulatory guidance) to total risk-based capital was approximately 469%. Management believes that Northfield Bank (the “Bank”) has implemented appropriate risk management practices including risk assessments, board-approved underwriting policies and related procedures, which include monitoring Bank portfolio performance, performing market analysis (economic and real estate), and stressing of the Bank’s commercial real estate portfolio under severe, adverse economic conditions. Although management believes the Bank has implemented appropriate policies and procedures to manage its commercial real estate concentration risk, the Bank’s regulators could require it to implement additional policies and procedures or could require it to maintain higher levels of regulatory capital, which might adversely affect its loan originations, the Company's ability to pay dividends, and overall profitability.

Loans held-for-investment, net, increased by $30.3 million, or 0.7%, to $4.27 billion at June 30, 2023 from $4.24 billion at December 31, 2022, primarily due to an increase in commercial real estate loans, partially offset by decreases in multifamily loans and commercial and industrial loans. The Company continues to focus on the credit needs of its customers, and to a lesser extent, the development of new business given the uncertain economic environment. Commercial real estate loans increased $43.7 million, or 4.9%, to $943.0 million at June 30, 2023 from $899.2 million at December 31, 2022, home equity loans increased $6.0 million, or 3.9%, to $158.5 million at June 30, 2023 from $152.6 million at December 31, 2022, and construction and land loans increased $4.5 million, or 18.1%, to $29.4 million at June 30, 2023 from $24.9 million at December 31, 2022. The increases were partially offset by decreases in multifamily loans of $9.8 million, or 0.3%, to $2.81 billion at June 30, 2023 from $2.82 billion at December 31, 2022, one-to-four family residential loans of $3.2 million, or 1.8%, to $170.8 million at June 30, 2023 from $173.9 million at December 31, 2022, and commercial and industrial loans of $11.4 million, or 7.4%, to $143.3 million at June 30, 2023 from $154.7 million at December 31, 2022.

At June 30, 2023, office-related loans represented $213.3 million, or approximately 5% of our total loan portfolio, with an average balance of $1.7 million (although we have originated these type of loans in amounts substantially greater than this average) and a weighted average loan-to-value ratio of 58%. Approximately 46% were owner-occupied. The geographic locations of the properties collateralizing our office-related loans are as follows: 53.2% in New York, 46.5% in New Jersey and 0.3% in Pennsylvania. At June 30, 2023, our largest office-related loan had a principal balance of $85.0 million (with a net active principal balance for the Bank of $28.3 million as we have a 33.3% participation interest), was secured by an office facility located in Staten Island, New York, and was performing in accordance with its original contractual terms.

Purchased credit-deteriorated (“PCD”) loans totaled $11.5 million at June 30, 2023 and December 31, 2022, respectively. The majority of the remaining PCD loan balance consists of loans acquired as part of a Federal Deposit Insurance Corporation-assisted transaction. The Company accreted interest income of $337,000 and $678,000 attributable to PCD loans for the three and six months ended June 30, 2023, respectively, as compared to $339,000 and $729,000 for the three and six months ended June 30, 2022, respectively. PCD loans had an allowance for credit losses of approximately $3.7 million at June 30, 2023.

FHLBNY stock increased by $10.0 million, or 32.9%, to $40.4 million at June 30, 2023, from $30.4 million at December 31, 2022. The increase in FHLBNY stock directly correlates with the increase in FHLB advances during the period.

Other assets increased $3.1 million, or 5.7%, to $57.5 million at June 30, 2023, from $54.4 million at December 31, 2022. The increase was primarily attributable to an increase in net deferred tax assets.

Total liabilities decreased $45.7 million, or 0.9%, to $4.85 billion at June 30, 2023, from $4.90 billion at December 31, 2022. The decrease was primarily attributable to a decrease in total deposits of $385.8 million, partially offset by an increase in FHLB advances and other borrowings of $339.7 million. The Company routinely utilizes brokered deposits and borrowed funds to manage interest rate risk, the cost of interest bearing liabilities, and funding needs related to loan originations and deposit activity.

Deposits decreased $385.8 million, or 9.3%, to $3.76 billion at June 30, 2023, as compared to $4.15 billion at December 31, 2022. Brokered deposits decreased by $218.6 million, or 56.0%. Deposits, excluding brokered deposits, decreased $167.2 million, or 4.4%. The decrease in deposits, excluding brokered deposits, was attributable to decreases of $114.5 million in transaction accounts and $198.6 million in money market accounts. These decreases were partially offset by increases of $132.8 million in time deposits and $13.0 million in savings accounts. Estimated uninsured deposits (excluding fully collateralized uninsured governmental deposits of $617.4 million) were approximately $827.8 million, or 22%, of total deposits as of June 30, 2023.

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Borrowed funds increased to $984.6 million at June 30, 2023, from $644.9 million at December 31, 2022. The increase in borrowings for the period was due to an increase in FHLB and FRB borrowings of $339.7 million, including $134.5 million of borrowings under the Federal Reserve Bank Term Funding Program which included favorable terms and conditions as compared to FHLB advances. Management utilizes borrowings to mitigate interest rate risk, for short-term liquidity, and to a lesser extent from time to time, as part of leverage strategies. During the six months ended June 30, 2023, the Company increased borrowings to pay off higher-rate brokered certificates of deposit, and, to a lesser extent, fund deposit outflows of non-brokered deposits.

The following table sets forth term borrowing maturities (excluding overnight borrowings, floating rate advances, and subordinated debt) and the weighted average rate by year at June 30, 2023 (dollars in thousands):

Year	Amount (1)	Weighted Average Rate
2023	$65,000	3.88%
2024	194,500	3.98%
2025	182,500	2.59%
2026	148,000	4.36%
2027	173,000	3.19%
Thereafter	154,288	3.96%
	$917,288	3.61%

(1) Borrowings maturing in 2023 and 2024 include $40.0 million and $94.5 million, respectively, of FRB borrowings that can be repaid without any penalty.

Total stockholders’ equity decreased by $14.7 million to $686.6 million at June 30, 2023, from $701.4 million at December 31, 2022. The decrease was attributable to $29.3 million in stock repurchases and $11.7 million in dividend payments, partially offset by net income of $21.3 million for the six months ended June 30, 2023, a $3.3 million increase in accumulated other comprehensive income associated with an increase in the estimated fair value of our debt securities available-for-sale portfolio, and a $1.7 million increase in equity award activity. During the six months ended June 30, 2023, the Company repurchased approximately 2.4 million of its common stock outstanding at an average price of $12.42 for a total of $29.3 million pursuant to approved stock repurchase plans. As of June 30, 2023, the Company had approximately $3.2 million in remaining capacity under its current repurchase program.

Comparison of Operating Results for the Six Months Ended June 30, 2023 and 2022

Net Income. Net income was $21.3 million and $30.0 million for the six months ended June 30, 2023 and June 30, 2022, respectively. Significant variances from the comparable prior year period are as follows: a $10.9 million decrease in net interest income, a $3.7 million increase in non-interest income, a $4.5 million increase in non-interest expense, and a $3.3 million decrease in income tax expense.

Interest Income. Interest income increased $17.9 million, or 21.5%, to $101.6 million for the six months ended June 30, 2023, from $83.7 million for the six months ended June 30, 2022, primarily due to a $103.9 million, or 2.0%, increase in the average balance of interest-earning assets coupled with a 61 basis point increase in yields on interest-earning assets due to the rising rate environment and a greater percentage of assets consisting of higher-yielding loans. The increase was partially offset by lower loan prepayment income and lower fees recognized from Paycheck Protection Program (“PPP”) loans. The increase in the average balance of interest-earning assets was due to increases in the average balance of loans outstanding of $344.1 million and the average balance of FHLBNY stock of $19.6 million, partially offset by decreases in the average balance of mortgage-backed securities of $193.9 million, the average balance of interest-earning deposits in financial institutions of $46.4 million, and the average balance of other securities of $19.5 million. The Company accreted interest income related to PCD loans of $678,000 for the six months ended June 30, 2023, as compared to $729,000 for the six months ended June 30, 2022. Fees recognized from PPP loans totaled $29,000 for the six months ended June 30, 2023, as compared to $1.1 million for the six months ended June 30, 2022. Net interest income for the six months ended June 30, 2023, included loan prepayment income of $1.2 million as compared to $2.6 million for the six months ended June 30, 2022.

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Interest Expense. Interest expense increased $28.8 million, or 430.8%, to $35.5 million for the six months ended June 30, 2023, as compared to $6.7 million for the six months ended June 30, 2022. The increase was due to an increase in interest expense on deposits of $15.8 million, or 634.2%, an increase in interest expense on borrowings of $11.5 million, or 281.7%, and an increase in interest expense on subordinated debt of $1.5 million. The increase in interest expense on deposits was attributable to a 106 basis point increase in the cost of interest-bearing deposits from 0.15% to 1.21% for the six months ended June 30, 2023, due to rising market interest rates and a shift in the composition of the deposit portfolio towards higher-costing certificates of deposit. The increase in interest expense on borrowings was attributable to a 149 basis point increase in the average cost of borrowings, and a $486.2 million, or 122.2%, increase in average borrowings outstanding. The increase in interest expense on subordinated debt was due to the issuance of $62.0 million in aggregate principal amount of fixed to floating subordinated notes in June 2022.

Net Interest Income.  Net interest income for the six months ended June 30, 2023, decreased $10.9 million, or 14.2%, to $66.1 million, from $77.0 million for the six months ended June 30, 2022, primarily due to a 47 basis point decrease in net interest margin to 2.48% from 2.95% for the six months ended June 30, 2022. The decrease in net interest margin was primarily due to the cost of interest-bearing liabilities increasing faster than the repricing of interest-earning assets. The cost of interest-bearing liabilities increased by 144 basis points to 1.80% for the six months ended June 30, 2023, from 0.36% for the six months ended June 30, 2022, driven primarily by the 149 basis point increase in the cost of borrowings. The increase in the cost of interest-bearing liabilities was partially offset by an increase in yields on interest-earning assets which increased 61 basis points to 3.82% for the six months ended June 30, 2023, from 3.21% for the six months ended June 30, 2022 due to the rising rate environment and a greater percentage of assets consisting of higher-yielding loans.

Provision for Credit Losses. The provision for credit losses on loans increased by $342,000 to $894,000 for the six months ended June 30, 2023, compared to $552,000 for the six months ended June 30, 2022. The increase in the provision for credit losses for the current period, as compared to the comparable prior year period, was primarily the result of a weakening macroeconomic outlook, higher net charge-offs, and an increase in reserves for commercial and industrial loans primarily due to a $13.8 million loan that is current and collateralized by receivables and business assets being downgraded to substandard, partially offset by a decrease in reserves related to non-economic qualitative loss factors in the multifamily and commercial real estate portfolios and decreased loan growth. Net charge-offs were $2.4 million for the six months ended June 30, 2023, as compared to net charge-offs of $494,000 for the six months ended June 30, 2022, the increase being due to charge-offs on small business unsecured commercial and industrial loans. Management continues to monitor the small business unsecured commercial and industrial loan portfolio which totaled $41.4 million at June 30, 2023.

Non-interest Income. Non-interest income increased by $3.7 million, or 148.1%, to $6.1 million for the six months ended June 30, 2023, from $2.5 million for the six months ended June 30, 2022, due primarily to a $3.4 million increase in mark to market gains on trading securities, net, and a $478,000 increase in other income, which was primarily an increase in swap fee income. For the six months ended June 30, 2023, gains on trading securities were $1.0 million, as compared to losses of $2.4 million for the six months ended June 30, 2022. The trading portfolio is utilized to fund the Company’s deferred compensation obligation to certain employees and directors of the Company's deferred compensation plan (the “Plan”). The participants of this Plan, at their election, defer a portion of their compensation. Gains and losses on trading securities have a minimal effect on net income since participants benefit from, and bear the full risk of, changes in the trading securities market values. Therefore, the Company records an equal and offsetting amount in compensation expense, reflecting the change in the Company’s obligations under the Plan. Partially offsetting the increases was a decrease of $281,000 in net realized gains on available-for-sale debt securities.

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Non-interest Expense. Non-interest expense increased $4.5 million, or 12.0%, to $41.9 million for the six months ended June 30, 2023, compared to $37.4 million for the six months ended June 30, 2022. The increase was primarily due to a $4.5 million increase in employee compensation and benefits, attributable to a $3.4 million increase in the mark to market of the Company's deferred compensation plan expense, which as discussed above has no effect on net income, coupled with an increase in equity award expense related to awards issued in the first quarter of 2023, annual merit increases, and severance expense of $440,000, partially offset by a decrease in the accrual for incentive compensation. During the second quarter of 2023, due to current economic conditions, the Company implemented a workforce reduction plan which included modest layoffs and the elimination of, and/or not filling, certain open positions. The annual estimated cost savings of this plan is $1.4 million, pre-tax. Data processing expense increased by $839,000, due to continued investments in technology, increased transaction costs related to an increase in the number of customer accounts and related volume of transactions, and higher pricing effective January 2023. Advertising expense increased by $583,000 due to the timing of certain programs and new promotions on deposit products. FDIC insurance expense increased by $460,000 due to higher assessments. Partially offsetting the increases was a decrease of $1.2 million in credit loss (benefit)/expense for off-balance sheet credit exposures, and a $274,000 decrease in other operating expense. The decrease in credit loss expense for off-balance sheet credit exposures was due to a benefit of $550,000 recorded during the six months ended June 30, 2023, compared to a provision of $628,000 for the prior year period, attributed to a decrease in the pipeline of loans committed and awaiting closing.

Income Tax Expense. The Company recorded income tax expense of $8.1 million for the six months ended June 30, 2023, compared to $11.5 million for the six months ended June 30, 2022, with the decrease due to lower taxable income. The effective tax rate for the six months ended June 30, 2023, was 27.7% compared to 27.6% for the six months ended June 30, 2022.

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The following table sets forth average balances, average yields and costs, and certain other information for the periods indicated.

	For the Six Months Ended
	June 30, 2023						June 30, 2022
	Average Outstanding Balance		Interest		Average Yield/ Rate (1)		Average Outstanding Balance		Interest		Average Yield/ Rate (1)
Interest-earning assets:
Loans (2)	$	4,264,932	$	89,007	4.21	%	$	3,920,792	$	75,719	3.89	%
Mortgage-backed securities (3)	724,955		7,506		2.09		918,864		5,518		1.21
Other securities (3)	257,514		2,498		1.96		277,035		1,684		1.23
Federal Home Loan Bank of New York stock	41,000		1,192		5.86		21,440		505		4.75
Interest-earning deposits in financial institutions	72,519		1,394		3.88		118,872		224		0.38
Total interest-earning assets	5,360,920		101,597		3.82		5,257,003		83,650		3.21
Non-interest-earning assets	242,288						272,869
Total assets	$	5,603,208					$	5,529,872
Interest-bearing liabilities:
Savings, NOW, and money market accounts	$	2,461,283	$	10,329	0.85	%	$	2,981,180	$	1,170	0.08	%
Certificates of deposit	582,642		7,975		2.76		406,156		1,323		0.66
Total interest-bearing deposits	3,043,925		18,304		1.21		3,387,336		2,493		0.15
Borrowed funds	883,934		15,589		3.56		397,775		4,084		2.07
Subordinated debt	61,183		1,647		5.43		4,790		119		5.01
Total interest-bearing liabilities	$	3,989,042	35,540		1.80		$	3,789,901	6,696		0.36
Non-interest bearing deposits	814,266						914,409
Accrued expenses and other liabilities	104,118						102,679
Total liabilities	4,907,426						4,806,989
Stockholders' equity	695,782						722,883
Total liabilities and stockholders' equity	$	5,603,208					$	5,529,872
Net interest income			$	66,057					$	76,954
Net interest rate spread (4)					2.02	%					2.85	%
Net interest-earning assets (5)	$	1,371,878					$	1,467,102
Net interest margin (6)					2.48	%					2.95	%
Average interest-earning assets to interest-bearing liabilities					134.39	%					138.71	%

(1) Average yields and rates are annualized.

(2) Includes non-accruing loans.

(3) Securities available-for-sale and other securities are reported at amortized cost.

(4) Net interest rate spread represents the difference between the weighted average yield on interest-earning assets and the weighted average cost of interest-bearing liabilities.

(5) Net interest-earning assets represent total interest-earning assets less total interest-bearing liabilities.

(6) Net interest margin represents net interest income divided by average total interest-earning assets.

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Comparison of Operating Results for the Three Months Ended June 30, 2023 and 2022

Net Income. Net income was $9.6 million and $15.9 million for the quarters ended June 30, 2023 and June 30, 2022, respectively. Significant variances from the comparable prior year quarter are as follows: an $8.9 million decrease in net interest income, a $2.1 million increase in non-interest income, a $2.1 million increase in non-interest expense, and a $2.5 million decrease in income tax expense.

Interest Income. Interest income increased $8.2 million, or 18.9%, to $51.7 million for the quarter ended June 30, 2023, from $43.5 million for the quarter June 30, 2022, primarily due to an increase in average interest-earning assets of $33.8 million, or 0.6%, coupled with a 59 basis point increase in yields on interest-earning assets due to the rising rate environment and a greater percentage of assets consisting of higher-yielding loans, partially offset by lower loan prepayment income. The increase in the average balance of interest-earning assets was primarily due to increases in the average balance of loans outstanding of $292.1 million and the average balance of FHLBNY stock of $23.2 million, partially offset by decreases in the average balance of mortgage-backed securities of $196.1 million, the average balance of other securities of $58.6 million, and the average balance of interest-earning deposits in financial institutions of $26.9 million. The Company accreted interest income related to PCD loans of $337,000 for the quarter ended June 30, 2023, as compared to $339,000 for quarter ended June 30, 2022. Fees recognized from PPP loans totaled $24,000 for the quarter ended June 30, 2023, as compared to $432,000 for the quarter ended June 30, 2022. Net interest income for the quarter ended June 30, 2023, included loan prepayment income of $194,000, as compared to $1.5 million for the quarter ended June 30, 2022.

Interest Expense. Interest expense increased $17.1 million, or 508.4%, to $20.5 million for the quarter ended June 30, 2023, from $3.4 million for the quarter ended June 30, 2022. The increase was attributed to an increase in interest expense on deposits of $9.1 million, or 685.8%, an increase in interest expense on borrowings of $7.3 million, or 379.6%, and an increase in interest expense on subordinated debt of $709,000. The increase in interest expense on deposits was attributable to a 127 basis point increase in the cost of interest-bearing deposits to 1.43% for the quarter ended June 30, 2023, from 0.16% for the quarter ended June 30, 2022, due to rising market interest rates and a shift in the composition of the deposit portfolio towards higher-yielding certificates of deposit. The increase in interest expense on borrowings was due to a 164 basis point increase in the cost of borrowings from 2.04% for the quarter ended June 30, 2022, to 3.68% for the quarter ended June 30, 2023.

Net Interest Income. Net interest income for the quarter ended June 30, 2023, decreased $8.9 million, or 22.3%, to $31.2 million, from $40.1 million for the quarter ended June 30, 2022 primarily due to a 69 basis point decrease in net interest margin to 2.34% for the quarter ended June 30, 2023, from 3.03% for the quarter ended June 30, 2022, primarily due to the cost of interest-bearing liabilities increasing faster than the repricing of interest-earning assets. The cost of interest-bearing liabilities increased by 170 basis points to 2.05% for the quarter ended June 30, 2023, from 0.35% for the quarter ended June 30, 2022, driven by both higher cost of deposits and borrowed funds, reflective of the rising interest rate environment. The increase in the cost of interest-bearing liabilities was partially offset by an increase in yields on interest-earning assets which increased by 59 basis points to 3.88% for the quarter ended June 30, 2023, from 3.29% for the quarter ended June 30, 2022.

Provision for Credit Losses. The provision for credit losses on loans decreased by $119,000 to a provision of $30,000 for the quarter ended June 30, 2023, from a provision of $149,000 for the quarter ended June 30, 2022. The decrease in the current quarter provision for credit losses was primarily due to minimal loan growth and a decrease in reserves related to non-economic qualitative loss factors in the multifamily and commercial real estate portfolios, partially offset by a worsening macroeconomic outlook and an increase in reserves for commercial and industrial loans, primarily due to a $13.8 million loan that is current and collateralized by receivables and business assets being downgraded to substandard. Net charge-offs were $312,000 for the quarter ended June 30, 2023, compared to net charge-offs of $392,000 for the quarter ended June 30, 2022.

Non-interest Income. Non-interest income increased by $2.1 million, or 268.1%, to $2.8 million for the quarter ended June 30, 2023, from $765,000 for the quarter ended June 30, 2022, primarily due to a $2.1 million increase in gains on trading securities. For the quarter ended June 30, 2023, gains on trading securities, net, were $506,000, compared to losses of $1.6 million in the comparative prior year quarter. Gains and losses on trading securities have a minimal effect on net income since participants benefit from, and bear the full risk of, changes in the trading securities market values.

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Non-interest Expense. Non-interest expense increased by $2.1 million, or 11.0%, to $20.8 million for the quarter ended June 30, 2023, from $18.7 million for the quarter ended June 30, 2022. The increase was primarily due to a $2.9 million increase in compensation and employee benefits, primarily attributable to a $2.1 million increase in the mark to market of the Company's deferred compensation plan expense, which as discussed above has no effect on net income, and, to a lesser extent, an increase in salary expense related to annual merit increases and severance expense of $440,000. Data processing expense increased by $309,000 due to continued investments in technology. Advertising expense increased by $169,000 due to the timing of certain programs and new promotions on demand deposit products. FDIC insurance expense increased by $213,000 due to higher assessments. Partially offsetting the increases was a $1.0 million decrease in the credit loss (benefit)/expense for off-balance sheet exposures, and a $461,000 decrease in professional fees. The decrease in credit loss (benefit)/expense for off-balance sheet credit exposures was due to a benefit of $661,000 recorded during the quarter ended June 30, 2023, compared to a provision of $349,000 for the prior year period, attributed to a decrease in the pipeline of loans committed and awaiting closing. The decrease in professional fees was due to higher audit and recruiting fees in the prior year.

Income Tax Expense. The Company recorded income tax expense of $3.6 million for the quarter ended June 30, 2023, compared to $6.1 million for the quarter ended June 30, 2022, with the decrease due to lower taxable income. The effective tax rate for the quarter ended June 30, 2023 was 27.4%, compared to 27.8% for the quarter ended June 30, 2022.

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The following table sets forth average balances, average yields and costs, and certain other information for the periods indicated.

	For the Three Months Ended
	June 30, 2023						June 30, 2022
	Average Outstanding Balance		Interest		Average Yield/ Rate (1)		Average Outstanding Balance		Interest		Average Yield/ Rate (1)
Interest-earning assets:
Loans (2)	$	4,284,871	$	45,300	4.24	%	$	3,992,731	$	38,998	3.92	%
Mortgage-backed securities (3)	703,415		3,714		2.12		899,479		3,043		1.36
Other securities (3)	239,273		1,113		1.87		297,859		989		1.33
Federal Home Loan Bank of New York stock	43,901		727		6.64		20,689		260		5.04
Interest-earning deposits in financial institutions	67,822		816		4.83		94,689		166		0.70
Total interest-earning assets	5,339,282		51,670		3.88		5,305,447		43,456		3.29
Non-interest-earning assets	244,567						266,303
Total assets	$	5,583,849					$	5,571,750
Interest-bearing liabilities:
Savings, NOW, and money market accounts	$	2,399,631	$	6,486	1.08	%	$	3,007,929	$	599	0.08	%
Certificates of deposit	540,984		3,997		2.96		438,835		735		0.67
Total interest-bearing deposits	2,940,615		10,483		1.43		3,446,764		1,334		0.16
Borrowed funds	1,003,611		9,198		3.68		377,044		1,918		2.04
Subordinated debt	61,071		828		5.44		9,527		119		5.01
Total interest-bearing liabilities	4,005,297		20,509		2.05		3,833,335		$	3,371	0.35
Non-interest bearing deposits	780,806						918,980
Accrued expenses and other liabilities	102,846						105,525
Total liabilities	4,888,949						4,857,840
Stockholders' equity	694,900						713,910
Total liabilities and stockholders' equity	$	5,583,849					$	5,571,750
Net interest income			$	31,161					$	40,085
Net interest rate spread (4)					1.83	%					2.94	%
Net interest-earning assets (5)	$	1,333,985					$	1,472,112
Net interest margin (6)					2.34	%					3.03	%
Average interest-earning assets to interest-bearing liabilities					133.31	%					138.40	%

(1) Average yields and rates are annualized.

(2) Includes non-accruing loans.

(3) Securities available-for-sale and other securities are reported at amortized cost.

(4) Net interest rate spread represents the difference between the weighted average yield on interest-earning assets and the weighted average cost of interest-bearing liabilities.

(5) Net interest-earning assets represent total interest-earning assets less total interest-bearing liabilities.

(6) Net interest margin represents net interest income divided by average total interest-earning assets.

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Asset Quality

PCD Loans (Held-for-Investment)

Based on its detailed review of PCD loans and experience in loan workouts, management believes it has a reasonable expectation about the amount and timing of future cash flows and accordingly has classified PCD loans ($11.5 million at June 30, 2023 and December 31, 2022, respectively) as accruing, even though they may be contractually past due. At June 30, 2023, 5.2% of PCD loans were past due 30 to 89 days, and 29.7% were past due 90 days or more, as compared to 6.8% and 23.0%, respectively, at December 31, 2022.

Loans

The following table details total non-accruing loans, non-performing loans, non-performing assets and troubled debt restructurings (“TDR”) (excluding PCD loans) on which interest is accruing, and accruing loans 30 to 89 days delinquent at June 30, 2023, and December 31, 2022 (in thousands):  

	June 30, 2023			December 31, 2022
Non-accrual loans:
Held-for-investment
Real estate loans:
Multifamily	$	3,223		$	3,285
Commercial	5,393			5,184
One-to-four family residential	109			118
Home equity and lines of credit	100			262
Commercial and industrial	1,275			964
Other	10			—
Total non-accrual loans held-for-investment	10,110			9,813
Loans delinquent 90 days or more and still accruing:
Held-for-investment
Real estate loans:
Multifamily	218			233
Commercial	—			8
One-to-four family residential	6			155
Commercial and industrial	—			24
Other	—			5
Total loans delinquent 90 days or more and still accruing held-for-investment	224			425
Total non-performing assets	$	10,334		$	10,238
Non-performing loans to total loans	0.24		%	0.24		%
Non-performing assets to total assets	0.19		%	0.18		%
Loans subject to restructuring agreements and still accruing (1)	$	—		$	3,751
Accruing loans 30 to 89 days delinquent	$	4,076		$	3,644

(1) With the adoption of Accounting Standards Update (“ASU”) 2022-02, Financial Instruments - Credit Losses (Topic 326) Troubled Debt Restructurings and Vintage Disclosures (“ASU 2022-02”), effective January 1, 2023, TDR accounting has been eliminated.

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Other Real Estate Owned

At June 30, 2023 and December 31, 2022, the Company had no assets acquired through foreclosure.

Accruing Loans 30 to 89 Days Delinquent

Loans 30 to 89 days delinquent and on accrual status totaled $4.1 million and $3.6 million at June 30, 2023 and December 31, 2022, respectively. The following table sets forth delinquencies for accruing loans by type and by amount at June 30, 2023 and December 31, 2022 (in thousands):     

	June 30, 2023		December 31, 2022
Held-for-investment
Real estate loans:
Multifamily	$	—	$	189
Commercial	803		900
One-to-four family residential	567		672
Home equity and lines of credit	256		830
Commercial and industrial loans	2,450		1,048
Other loans	—		5
Total delinquent accruing loans held-for-investment	$	4,076	$	3,644

The increase in the commercial and industrial loan delinquencies was primarily due to an increase in delinquencies in unsecured small business loans. Unsecured small business loans totaled $41.4 million and $43.3 million at June 30, 2023 and December 31, 2022, respectively. Management continues to monitor the small business unsecured commercial and industrial loan portfolio.

Loans Subject to TDR Agreements prior to the adoption of ASU 2022-02

Effective January 1, 2023, The Company adopted ASU 2022-02, which eliminated the recognition and measure of troubled debt restructurings and enhanced disclosures for loan modifications to borrowers experiencing financial difficulty. There were no material modifications of loans to borrowers who were experiencing financial difficulty during the three months ended June 30, 2023.

Information on loan modifications prior to the adoption of ASU 2022-02 on January 1, 2023 is presented in accordance with the applicable accounting standards in effect at that time.

Included in non-accruing loans are loans subject to TDR agreements totaling $3.3 million at December 31, 2022. At December 31, 2022, three of the non-accruing TDRs totaling $547,000 were not performing in accordance with their restructured terms. Two of the loans totaling $477,000 are collateralized by real estate with an appraised value of $2.4 million. A third loan in the amount of $70,000 is an unsecured commercial and industrial loan, which has a specific reserve against it.

The Company also holds loans subject to TDR agreements that are on accrual status totaling $3.8 million at December 31, 2022. At December 31, 2022, $3.6 million, or 94.8%, of the $3.8 million of accruing loans subject to TDR agreements were performing in accordance with their restructured terms. Generally, the types of concessions that we make to troubled borrowers include both temporary and permanent reductions to interest rates, extensions of payment terms, and, to a lesser extent, forgiveness of principal and interest. 

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The following table details the amounts and categories of the loans subject to restructuring agreements by loan type as of December 31, 2022 (in thousands):

	December 31, 2022
	Non-Accruing			Accruing
Real estate loans:
Commercial	$	3,069		$	3,034
One-to-four family residential	—			666
Multifamily	126			—
Home equity and lines of credit	—			27
Commercial and industrial loans	70			24
	$	3,265		$	3,751
Performing in accordance with restructured terms	83.2		%	94.8		%

Liquidity and Capital Resources

Liquidity. The objective of our liquidity management is to ensure the availability of sufficient funds to meet financial commitments and to take advantage of lending and investment opportunities. The Bank manages liquidity in order to meet deposit withdrawals, to repay borrowings as they mature, and to fund new loans and investments as opportunities arise.

The Bank's primary sources of funds are deposits, principal and interest payments on loans and securities, borrowed funds, the proceeds from maturing securities and short-term investments, and to a lesser extent, proceeds from the sales of loans and securities and wholesale borrowings. The scheduled amortization of loans and securities, as well as proceeds from borrowed funds, are predictable sources of funds. Other funding sources, however, such as deposit inflows and loan prepayments are greatly influenced by market interest rates, economic conditions, and competition. The Bank is a member of the FHLBNY, which provides an additional source of short-term and long-term funding. The Bank also has short-term borrowing capabilities with the Federal Reserve Bank of New York (“FRBNY”). The Bank’s short-term borrowed funds, excluding lease obligations, floating rate advances and an overnight line of credit, were $917.3 million at June 30, 2023, and had a weighted average interest rate of 3.61%. A total of $209.5 million of these borrowings will mature in less than one year. Short-term borrowed funds, excluding floating rate advances and other interest-bearing liabilities, were $572.0 million at December 31, 2022. 

On June 17, 2022, the Company issued $62.0 million in aggregate principal amount of fixed to floating subordinated notes (the “Notes”). The Notes are non-callable for five years, have a stated maturity of June 30, 2032, and bear interest at a fixed rate of 5.00% until June 30, 2027. From July 2027 to the maturity date or early redemption date, the interest rate will reset quarterly to a level equal to the then current three-month Secured Overnight Financing Rate plus 200 basis points.

The Bank has the ability to obtain additional funding from the FHLBNY of approximately $1.27 billion utilizing unencumbered securities of $145.6 million, loans of $1.12 billion, and encumbered securities of $1.4 million at June 30, 2023. Additionally, the Bank has remaining borrowing capacity utilizing encumbered securities through the FRBNY Discount Window of $28.3 million. The Bank expects to have sufficient funds available to meet current commitments in the normal course of business.

The Company has a diversified deposit base, and government deposits are collateralized by assets or letters of credit issued by the FHLBNY. Uninsured deposits (excluding fully collateralized uninsured governmental deposits of $617.4 million) are estimated at approximately $827.8 million, or 22.0%, of total deposits. At June 30, 2023, the composition of the Company’s deposit base (excluding brokered deposits) was as follows: 55% retail, 28% business, and 17% governmental. The average deposit balance at June 30, 2023 was $36,000.

Northfield Bancorp, Inc. (standalone) is a separate legal entity from the Bank and must provide for its own liquidity to pay dividends, repurchase its stock, and for other corporate purposes. Northfield Bancorp, Inc.'s primary source of liquidity is dividend payments from the Bank. At June 30, 2023, Northfield Bancorp, Inc. (standalone) had liquid assets of $37.6 million.

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Capital Resources. Federal regulations require federally insured depository institutions to meet several minimum capital standards: a common equity Tier 1 capital to risk-based assets ratio of 4.5%, a Tier 1 capital to risk-based assets ratio of 6.0%, a total capital to risk-based assets of 8.0%, and a 4.0% Tier 1 capital to total assets leverage ratio. In addition to establishing the minimum regulatory capital requirements, the regulations limit capital distributions and certain discretionary bonus payments to management if the institution does not hold a “capital conservation buffer” consisting of 2.5% of common equity Tier 1 capital to risk-weighted assets in addition to the amount necessary to meet its minimum risk-based capital requirements.

As a result of the Economic Growth, Regulatory Relief, and Consumer Protection Act, the federal banking agencies developed a “Community Bank Leverage Ratio” (“CBLR”) (the ratio of a bank’s tangible equity capital to average total consolidated assets) for financial institutions with assets of less than $10 billion. A qualifying community bank that exceeds this ratio will be deemed to be in compliance with all other capital and leverage requirements, including the capital requirements to be considered “well capitalized” under Prompt Corrective Action statutes. The federal banking agencies approved 9% as the minimum capital for the CBLR. Effective March 31, 2020, a financial institution could elect to be subject to this new definition. Northfield Bank and Northfield Bancorp elected to opt into the CBLR framework. The CBLR replaced the risk-based and leverage capital requirements in the generally applicable capital rules.

At June 30, 2023, and December 31, 2022, as set forth in the following table, both Northfield Bank and Northfield Bancorp, Inc. exceeded all of the regulatory capital requirements to which they were subject at such dates.

    

	Northfield Bank	Northfield Bancorp, Inc.	For Capital Adequacy Purposes	For Well Capitalized Under Prompt Corrective Action Provisions
As of June 30, 2023:
CBLR	12.54%	12.46%	9.00%	9.00%
As of December 31, 2022:
CBLR	12.68%	12.65%	9.00%	9.00%

Off-Balance Sheet Arrangements and Contractual Obligations

In the normal course of operations, the Company engages in a variety of financial transactions that, in accordance with U.S. GAAP, are not recorded in the financial statements. These transactions primarily relate to lending commitments. These arrangements are not expected to have a material impact on the Company's results of operations or financial condition.

Commitments to fund unused lines of credit are agreements to lend additional funds to customers as long as there have been no violations of any of the conditions established in the agreements (original or restructured). Commitments to originate loans generally have a fixed expiration or other termination clauses, which may require payment of a fee. Since some of these loan commitments are expected to expire without being drawn upon, total commitments do not necessarily represent future cash requirements. At June 30, 2023, the reserve for commitments to fund unused lines of credit recorded in accrued expenses and other liabilities was $241,000.

For further information regarding our off-balance sheet arrangements and contractual obligations, see "Management’s Discussion and Analysis of Financial Condition and Results of Operations" in the Company’s Annual Report on Form 10-K for the year ended December 31, 2022.

Accounting Pronouncements Not Yet Adopted

ASU No. 2020-04. In March 2020, the FASB issued ASU No. 2020-04, “Reference Rate Reform ("ASC 848"): Facilitation of the Effects of Reference Rate Reform on Financial Reporting”, which provides temporary optional guidance to ease the potential burden in accounting for reference rate reform. The ASU provides optional expedients and exceptions for applying generally accepted accounting principles to contract modifications and hedging relationships, subject to meeting certain criteria, that reference the London Inter-Bank Offered Rate (“LIBOR”) or another reference rate expected to be discontinued. It is intended to help stakeholders during the global market-wide reference rate transition period. The guidance was effective for all entities as of March 12, 2020 through December 31, 2022. However, in December 2022, the FASB issued ASU 2022-06, deferring the sunset date to December 31, 2024. The Company has evaluated the regulatory requirements to cease the use of LIBOR and has put in place systems and capabilities for this purpose. The adoption of this ASU is not expected to have a material impact on the Company's consolidated financial statements.

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ITEM 3.    QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK

Management of Market Risk

General.  A majority of our assets and liabilities are monetary in nature. Consequently, our most significant form of market risk is interest rate risk. Our assets, consisting primarily of mortgage-related securities and loans, generally have longer maturities than our liabilities, which consist primarily of deposits and wholesale borrowings. As a result, a principal part of our business strategy involves managing interest rate risk and limiting the exposure of our net interest income to changes in market interest rates. Accordingly, our Board of Directors has established a Management Asset-Liability Committee, comprised of our Senior Vice President (“SVP”) & Chief Investment Officer and Treasurer, who chairs this Committee, our President & Chief Executive Officer, our Executive Vice President (“EVP”) & Chief Risk Officer, our EVP & Chief Financial Officer, our EVP & Chief Lending Officer, our EVP & Chief Branch Administration, Deposit Operations & Business Development Officer, and our SVP & Director of Marketing, and other officers and staff as necessary or appropriate. This committee is responsible for, among other things, evaluating the interest rate risk inherent in our assets and liabilities, for recommending to the risk management committee of our Board of Directors the level of risk that is appropriate given our business strategy, operating environment, capital, liquidity and performance objectives, and for managing this risk consistent with the guidelines approved by the Board of Directors.

We seek to manage our interest rate risk in order to minimize the exposure of our earnings and capital to changes in interest rates. As part of our ongoing asset-liability management, we currently use the following strategies to manage our interest rate risk:

•originating multifamily loans and commercial real estate loans that generally have shorter maturities than one-to-four family residential real estate loans and have higher interest rates that generally reset from five to ten years;

•investing in investment grade corporate securities and mortgage-backed securities; and

•obtaining general financing through lower-cost core deposits, brokered deposits, and longer-term FHLB advances and repurchase agreements.

Shortening the average term of our interest-earning assets by increasing our investments in shorter-term assets, as well as originating loans with variable interest rates, helps to match the maturities and interest rates of our assets and liabilities better, thereby reducing the exposure of our net interest income to changes in market interest rates.

Net Portfolio Value Analysis. We compute amounts by which the net present value of our assets and liabilities (net portfolio value or “NPV”), would change in the event market interest rates changed over an assumed range of rates. Our simulation model uses a discounted cash flow analysis to measure the interest rate sensitivity of our NPV. Depending on current market interest rates, we estimate the economic value of these assets and liabilities under the assumption that interest rates experience an instantaneous and sustained increase of 100, 200, 300, or 400 basis points, or a decrease of 100 and 200 basis points, which is based on the current interest rate environment. A basis point equals one-hundredth of one percent, and 100 basis points equals one percent. An increase in interest rates from 3% to 4% would mean, for example, a 100 basis point increase in the “Change in Interest Rates” column below. 

Net Interest Income Analysis.  In addition to NPV calculations, we analyze our sensitivity to changes in interest rates through our net interest income model. Net interest income is the difference between the interest income we earn on our interest-earning assets, such as loans and securities, and the interest we pay on our interest-bearing liabilities, such as deposits and borrowings. In our model, we estimate what our net interest income would be for a twelve-month period. Depending on current market interest rates we then calculate what the net interest income would be for the same period under the assumption that interest rates experience an instantaneous and sustained increase of 100, 200, 300, or 400 basis points, or a decrease of 100 and 200 basis points, which is based on the current interest rate environment.

The following tables set forth, as of June 30, 2023 and December 31, 2022, our calculation of the estimated changes in our NPV, NPV ratio, and percent change in net interest income that would result from the designated instantaneous and sustained changes in interest rates (dollars in thousands). Computations of prospective effects of hypothetical interest rate changes are based on numerous assumptions, including relative levels of market interest rates, loan prepayments and deposit repricing characteristics, including decay rates, and correlations to movements in interest rates, and should not be relied on as indicative of actual results.

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	At June 30, 2023
Change in Interest Rates (basis points)	Estimated Present Value of Assets		Estimated Present Value of Liabilities		Estimated NPV		Estimated Change In NPV		Estimated Change in NPV %		Estimated NPV/Present Value of Assets Ratio		Next 12 Months Net Interest Income Percent Change		Months 13-24 Net Interest Income Percent Change
+400	$	4,790,299	$	4,080,777	$	709,522	$	(198,518)	(21.86)	%	14.81	%	(24.35)	%	(12.12)	%
+300	4,901,380		4,155,642		745,738		(162,302)		(17.87)		15.21		(18.74)		(10.34)
+200	5,036,146		4,234,193		801,953		(106,087)		(11.68)		15.92		(12.05)		(6.33)
+100	5,179,465		4,316,863		862,602		(45,438)		(5.00)		16.65		(5.14)		(1.92)
—	5,312,277		4,404,237		908,040		—		—		17.09		—		—
(100)	5,438,693		4,501,404		937,289		29,249		3.22		17.23		2.94		(1.39)
(200)	5,561,063		4,607,296		953,767		45,727		5.04		17.15		3.98		(5.51)

	At December 31, 2022
Change in Interest Rates (basis points)	Estimated Present Value of Assets		Estimated Present Value of Liabilities		Estimated NPV		Estimated Change In NPV		Estimated Change in NPV %		Estimated NPV/Present Value of Assets Ratio		Next 12 Months Net Interest Income Percent Change		Months 13-24 Net Interest Income Percent Change
+400	$	4,850,423	$	4,057,885	$	792,538	$	(227,578)	(22.31)	%	16.34	%	(25.83)	%	(11.03)	%
+300	4,967,247		4,126,616		840,631		(179,485)		(17.59)		16.92		(19.51)		(8.90)
+200	5,106,889		4,198,831		908,058		(112,058)		(10.98)		17.78		(12.01)		(4.41)
+100	5,244,669		4,274,947		969,722		(50,394)		(4.94)		18.49		(5.33)		(1.19)
—	5,375,689		4,355,573		1,020,116		—		—		18.98		—		—
(100)	5,503,211		4,464,131		1,039,080		18,964		1.86		18.88		0.76		(3.80)
(200)	5,626,336		4,586,245		1,040,091		19,975		1.96		18.49		0.00		(8.91)

At June 30, 2023, in the event of a 200 basis point decrease in interest rates, we would experience a 5.04% increase in estimated net portfolio value, a 3.98% increase in net interest income in year one, and a 5.51% decrease in net interest income in year two. In the event of a 400 basis point increase in interest rates, we would experience a 21.86% decrease in estimated net portfolio value, a 24.35% decrease in net interest income in year one and a 12.12% decrease in net interest income in year two. Our policies provide that, in the event of a 200 basis point decrease or less in interest rates, our net present value ratio should decrease by no more than 300 basis points and 10%, and in the event of a 400 basis point increase or less, our net present value should decrease by no more than 475 basis points and 35%. In the event of a 200 basis point decrease or less, our projected net interest income should decrease by no more than 10% in year one and 16% in year two, and in the event of a 400 basis point increase or less, our projected net interest income should decrease by no more than 38% in year one and 26% in year two. However, when the federal funds rate is low and negative rate shocks do not produce meaningful results, management may temporarily suspend use of guidelines for negative interest rate shocks. At June 30, 2023 and December 31, 2022, we were in compliance with all Board-approved policies with respect to interest rate risk management.

Certain shortcomings are inherent in the methodologies used in determining interest rate risk through changes in net portfolio value and net interest income. Our model requires us to make certain assumptions that may or may not reflect the manner in which actual yields and costs respond to changes in market interest rates. However, we also apply consistent parallel yield curve shifts (in both directions) to determine possible changes in net interest income if the theoretical yield curve shifts occurred gradually. Net interest income analysis also adjusts the asset and liability repricing analysis based on changes in prepayment rates resulting from the parallel yield curve shifts. In addition, the net portfolio value and net interest income information presented assume that the composition of our interest-sensitive assets and liabilities existing at the beginning of a period remains constant over the period being measured and assume that a particular change in interest rates is reflected uniformly across the yield curve regardless of the duration or repricing of specific assets and liabilities. Accordingly, although interest rate risk calculations provide an indication of our interest rate risk exposure at a particular point in time, such measurements are not intended to and do not provide a precise forecast of the effect of changes in market interest rates on our net portfolio value or net interest income and will differ from actual results.

59

ITEM 4.    CONTROLS AND PROCEDURES 

An evaluation was performed under the supervision and with the participation of the Company’s management, including the President and Chief Executive Officer and the Chief Financial Officer, of the effectiveness of the design and operation of the Company’s disclosure controls and procedures (as defined in Rule 13a-15(e) and 15d-15(e) promulgated under the Securities Exchange Act of 1934, as amended) as of June 30, 2023. Based on that evaluation, the Company’s management, including the President and Chief Executive Officer and the Chief Financial Officer, concluded that the Company’s disclosure controls and procedures were effective.

During the three months ended June 30, 2023, there were no changes in the Company’s internal control over financial reporting that have materially affected, or are reasonably likely to materially affect, the Company’s internal control over financial reporting.

60

PART II

ITEM 1.     LEGAL PROCEEDINGS

The Company and subsidiaries are subject to various legal actions arising in the normal course of business.  In the opinion of management, the resolution of these legal actions is not expected to have a material adverse effect on the Company’s consolidated financial condition or results of operations.

ITEM 1A.  RISK FACTORS

During the quarter ended June 30, 2023, there have been no material changes to the risk factors as previously disclosed in our Annual Report on Form 10-K for the fiscal year ended December 31, 2022, and in our quarterly report on Form 10-Q for the quarter ended March 31, 2023, each as filed with the Securities and Exchange Commission, except as previously disclosed in our other filings with the Securities and Exchange Commission.

ITEM 2.     UNREGISTERED SALES OF EQUITY SECURITIES, USE OF PROCEEDS, AND ISSUER PURCHASES     OF EQUITY SECURITIES

(a)Unregistered Sale of Equity Securities. There were no sales of unregistered securities during the period covered by this report.

(b)Use of Proceeds. Not applicable.

(c)Repurchases of Our Equity Securities.  

On June 1, 2023, the Board of Directors of the Company approved a new $10.0 million stock repurchase program. The program permits the Company's shares of common stock to be repurchased in open market or private transactions, through block trades, and pursuant to any trading plan that may be adopted in accordance with Rule 10b5-1 of the Securities and Exchange Commission. The timing of the repurchases depends on certain factors, including but not limited to, market conditions and prices, the Company’s liquidity and capital requirements, and alternative uses of capital. Any repurchased shares are held as treasury stock and available for general corporate purposes. The repurchases can be suspended, terminated or modified at any time for any reason, including market conditions, the cost of repurchasing shares, the availability of alternative investment opportunities, liquidity, and other factors deemed appropriate. The Company had suspended repurchases on March 16, 2023, and reinstated them on May 1, 2023.

The following table reports information regarding purchases of the Company’s common stock during the three months ended June 30, 2023.

Period	(a) Total Number of Shares Purchased	(b) Average Price Paid per Share		(c) Total Number of Shares Purchased as Part of Publicly Announced Plans or Programs	(d) Maximum Dollar Value of Shares that May Yet be Purchased Under the Plans or Programs (in thousands)
April 1, 2023 to April 30, 2023	—	$	—	—	$	6,471
May 1, 2023 to May 31, 2023	661,140	9.79		661,140	10,000
June 1, 2023 to June 30, 2023	609,200	11.23		609,200	3,159
Total	1,270,340			1,270,340

In addition to the repurchases disclosed above, participants in the Company's stock-based incentive plans may have shares withheld to cover income taxes upon the vesting of restricted stock awards. Shares withheld to cover income taxes upon the vesting of restricted stock awards are repurchased pursuant to the terms of the applicable plan and not under the Company's stock repurchase program. There were no shares repurchased pursuant to these plans during the three months ended June 30, 2023.

ITEM 3.     DEFAULTS UPON SENIOR SECURITIES

    None.

ITEM 4.     MINE SAFETY DISCLOSURES

    Not applicable.

61

ITEM 5.     OTHER INFORMATION

    During the three months ended June 30, 2023, no directors or executive officers of the Company adopted or terminated any contract, instruction or written plan for the purchase or sale of the Company securities that was intended to satisfy the affirmative defense conditions of Rule 10b5-1(c) and/or any “Rule 10b5-1 trading arrangement.”

ITEM 6.      EXHIBITS

    The following exhibits required by Item 601 of Regulation S-K are included with this Quarterly Report on Form 10-Q.

Exhibit Number	Description
31.1	Certification of Steven M. Klein, Chairman, President and Chief Executive Officer, Pursuant to Rule 13a-14(a) and Rule 15d-14(a).(1)
31.2	Certification of William R. Jacobs, Executive Vice President and Chief Financial Officer, Pursuant to Rule 13a-14(a) and Rule 15d-14(a).(1)
32	Certification of Steven M. Klein, Chairman, President and Chief Executive Officer, and William R. Jacobs, Executive Vice President and Chief Financial Officer, Pursuant to 18 U.S.C. Section 1350, as Adopted Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002.(1)
101.INS	XBRL (Extensible Business Reporting Language) Instance Document - the instance document does not appear in the Interactive Data File because its XBRL tags are embedded within the Inline XBRL document.
101.SCH	Inline XBRL Taxonomy Extension Schema Document.
101.CAL	Inline XBRL Taxonomy Extension Calculation Linkbase Document.
101.DEF	Inline XBRL Taxonomy Extension Definition Linkbase Document.
101.LAB	Inline XBRL Taxonomy Extension Label Linkbase Document.
101.PRE	Inline XBRL Taxonomy Extension Presentation Linkbase Document.
104	Cover page information from the Company's Quarterly Report on Form 10-Q filed August 9, 2023, formatted in Inline XBRL.

(1) Filed herewith.        

62

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized.

NORTHFIELD BANCORP, INC.

(Registrant)

Date: August 9, 2023

/s/   Steven M. Klein

Steven M. Klein

Chairman, President and Chief Executive Officer

/s/   William R. Jacobs

William R. Jacobs

Executive Vice President and Chief Financial Officer

(Principal Financial and Accounting Officer)

63

EX-31.1

Exhibit 31.1

CERTIFICATION OF CHIEF EXECUTIVE OFFICER

PURSUANT TO SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002

I, Steven M. Klein, certify that:

1)I have reviewed this quarterly report on Form 10-Q of Northfield Bancorp, Inc.;

2)Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3)Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4)The registrant’s other certifying officer and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

a)Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

b)Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

c)Evaluated the effectiveness of the registrant’s disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

d)Disclosed in this report any change in the registrant's internal control over financial reporting that occurred during the registrant's most recent fiscal quarter (the registrant's fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant's internal control over financial reporting; and

5)The registrant’s other certifying officer and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant’s auditors and the audit committee of the registrant’s board of directors (or persons performing the equivalent functions):

a)All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant’s ability to record, process, summarize and report financial information; and

b)Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant’s internal control over financial reporting.

Date: August 9, 2023

/s/ Steven M. Klein

Steven M. Klein

Chairman, President and Chief Executive Officer

EX-31.2

Exhibit 31.2

CERTIFICATION OF CHIEF FINANCIAL OFFICER

PURSUANT TO SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002

I, William R. Jacobs, certify that:

1)I have reviewed this quarterly report on Form 10-Q of Northfield Bancorp, Inc.;

2)Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3)Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4)The registrant’s other certifying officer and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

a)Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

b)Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

c)Evaluated the effectiveness of the registrant’s disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

d)Disclosed in this report any change in the registrant's internal control over financial reporting that occurred during the registrant's most recent fiscal quarter (the registrant's fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant's internal control over financial reporting; and

5)The registrant’s other certifying officer and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant’s auditors and the audit committee of the registrant’s board of directors (or persons performing the equivalent functions):

a)All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant’s ability to record, process, summarize and report financial information; and

b)Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant’s internal control over financial reporting.

Date: August 9, 2023

/s/ William R. Jacobs

William R. Jacobs

Executive Vice President and Chief Financial Officer

(Principal Financial and Accounting Officer)

EX-32

Exhibit 32

CERTIFICATION PURSUANT TO

18 U.S.C. SECTION 1350,

AS ADOPTED PURSUANT TO

SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

    Steven M. Klein, Chairman, President and Chief Executive Officer of Northfield Bancorp, Inc. (the “Company”), and William R. Jacobs, Executive Vice President and Chief Financial Officer of the Company, each certify in his capacity as an officer of the Company that he has reviewed the quarterly report of the Company on Form 10-Q for the quarter ended June 30, 2023, (the “Report”) and that to best of his knowledge:

(1) The Report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

(2) The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

/s/  Steven M. Klein	Date: August 9, 2023
Steven M. Klein
Chairman, President and Chief Executive Officer

/s/   William R. Jacobs	Date: August 9, 2023
William R. Jacobs
Executive Vice President and Chief Financial Officer
(Principal Financial and Accounting Officer)

A signed original of this written statement required by Section 906 has been provided to Company and will be retained by the Company and furnished to the Securities and Exchange Commission or its staff upon request.

XML

Cover Page - shares	6 Months Ended
	Jun. 30, 2023	Jul. 31, 2023
Cover [Abstract]
Document Type	10-Q
Document Quarterly Report	true
Document Period End Date	Jun. 30, 2023
Document Transition Report	false
Entity File Number	001-35791
Entity Registrant Name	Northfield Bancorp, Inc.
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	80-0882592
Entity Address, Address Line One	581 Main Street,
Entity Address, City or Town	Woodbridge,
Entity Address, State or Province	NJ
Entity Address, Postal Zip Code	07095
City Area Code	732
Local Phone Number	499-7200
Title of 12(b) Security	Common stock, par value $0.01 per share
Trading Symbol	NFBK
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		44,987,773
Entity Central Index Key	0001493225
Current Fiscal Year End Date	--12-31
Document Fiscal Year Focus	2023
Document Fiscal Period Focus	Q2
Amendment Flag	false

XML

Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2023	Dec. 31, 2022
ASSETS:
Cash and due from banks	$ 13,853	$ 14,530
Interest-bearing deposits in other financial institutions	75,274	31,269
Total cash and cash equivalents	89,127	45,799
Trading securities	11,731	10,751
Debt securities available-for-sale, at estimated fair value (with no allowance for credit losses at June 30, 2023 and December 31, 2022)	802,257	952,173
Debt securities held-to-maturity, at amortized cost (estimated fair value of $9,946 at June 30, 2023, and $10,389 at December 31, 2022, with no allowance for credit losses at June 30, 2023 and December 31, 2022)	10,316	10,760
Equity securities	10,653	10,443
Loans held-for-sale	977	0
Loans held-for-investment	4,274,042	4,243,693
Less: allowance for credit losses	(41,154)	(42,617)
Net loans held-for-investment	4,232,888	4,201,076
Accrued interest receivable	17,721	17,426
Bank-owned life insurance	169,671	167,912
Federal Home Loan Bank (“FHLB”) of New York stock, at cost	40,376	30,382
Operating lease right-of-use assets	32,010	34,288
Premises and equipment, net	24,573	24,844
Goodwill	41,012	41,012
Other assets	57,503	54,427
Total assets	5,540,815	5,601,293
LIABILITIES:
Deposits	3,764,403	4,150,219
Securities sold under agreements to repurchase	25,000	25,000
FHLB advances and other borrowings	898,535	558,859
Subordinated debentures, net of issuance costs	61,108	60,996
Operating lease liabilities	37,274	39,790
Advance payments by borrowers for taxes and insurance	29,117	25,995
Accrued expenses and other liabilities	38,737	39,044
Total liabilities	4,854,174	4,899,903
STOCKHOLDERS’ EQUITY:
Preferred stock, $0.01 par value: 25,000,000 shares authorized, none issued or outstanding	0	0
Common stock, $0.01 par value: 150,000,000 shares authorized, 64,770,875 shares issued at June 30, 2023 and December 31, 2022, 46,530,167 and 47,442,488 outstanding at June 30, 2023 and December 31, 2022, respectively	648	648
Additional paid-in-capital	589,335	590,249
Unallocated common stock held by employee stock ownership plan	(15,192)	(15,650)
Retained earnings	427,921	418,353
Accumulated other comprehensive loss	(45,074)	(48,331)
Treasury stock at cost: 19,527,202 and 17,328,387 shares at June 30, 2023 and December 31, 2022, respectively	(270,997)	(243,879)
Total stockholders’ equity	686,641	701,390
Total liabilities and stockholders’ equity	$ 5,540,815	$ 5,601,293

XML

Consolidated Balance Sheets (Parenthetical) - USD ($)	Jun. 30, 2023	Dec. 31, 2022
Statement of Financial Position [Abstract]
Debt securities available-for-sale, allowance for credit loss	$ 0	$ 0
Debt securities held-to-maturity	9,946,000	10,389,000
Debt securities held-to-maturity, allowance for credit loss	$ 0	$ 0
Preferred stock, par value (usd per share)	$ 0.01	$ 0.01
Preferred stock, shares authorized (in shares)	25,000,000	25,000,000
Preferred stock, shares issued (in shares)	0	0
Preferred stock, shares outstanding (in shares)	0	0
Common stock, par value (usd per share)	$ 0.01	$ 0.01
Common stock, shares authorized (in shares)	150,000,000	150,000,000
Common stock, shares issued (in shares)	64,770,875	64,770,875
Common stock, shares outstanding (in shares)	45,243,673	47,442,488
Treasury stock, shares (in shares)	19,527,202	17,328,387

XML

Consolidated Statements of Comprehensive Income (Loss) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Interest income:
Loans	$ 45,300	$ 38,998	$ 89,007	$ 75,719
Mortgage-backed securities	3,714	3,043	7,506	5,518
Other securities	1,113	989	2,498	1,684
FHLB of New York dividends	727	260	1,192	505
Deposits in other financial institutions	816	166	1,394	224
Total interest income	51,670	43,456	101,597	83,650
Interest expense:
Deposits	10,483	1,334	18,304	2,493
Borrowings	9,198	1,918	15,589	4,084
Subordinated debt	828	119	1,647	119
Total interest expense	20,509	3,371	35,540	6,696
Net interest income	31,161	40,085	66,057	76,954
Provision for credit losses	30	149	894	552
Net interest income after provision for credit losses	31,131	39,936	65,163	76,402
Non-interest income:
Fees and service charges for customer services	1,309	1,375	2,689	2,706
Income on bank-owned life insurance	889	848	1,759	1,687
(Losses) gains on available-for-sale debt securities, net	(18)	0	(17)	264
Gains (losses) on trading securities, net	506	(1,563)	1,018	(2,365)
Gain on sale of loans	35	0	35	0
Other	95	105	664	186
Total non-interest income	2,816	765	6,148	2,478
Non-interest expense:
Compensation and employee benefits	12,353	9,418	23,390	18,925
Occupancy	3,244	3,286	6,616	6,694
Furniture and equipment	460	426	914	852
Data processing	2,071	1,762	4,314	3,475
Professional fees	768	1,229	1,739	2,137
Advertising	573	404	1,420	837
Federal Deposit Insurance Corporation insurance	568	355	1,172	712
Credit loss (benefit) expense for off-balance sheet exposures	(661)	349	(550)	628
Other	1,399	1,484	2,888	3,162
Total non-interest expense	20,775	18,713	41,903	37,422
Income before income tax expense	13,172	21,988	29,408	41,458
Income tax expense	3,613	6,114	8,142	11,457
Net income	$ 9,559	$ 15,874	$ 21,266	$ 30,001
Net income per common share:
Basic (usd per share)	$ 0.22	$ 0.34	$ 0.48	$ 0.64
Diluted (usd per share)	$ 0.22	$ 0.34	$ 0.48	$ 0.64
Net income	$ 9,559	$ 15,874	$ 21,266	$ 30,001
Unrealized (losses) gains on debt securities available-for-sale:
Net unrealized holding (losses) gains	(3,891)	(11,079)	4,506	(45,973)
Less: reclassification adjustment for net losses (gains) included in net income	18	0	17	(264)
Net unrealized (losses) gains	(3,873)	(11,079)	4,523	(46,237)
Post-retirement benefits adjustment	0	0	0	(48)
Other comprehensive (loss) income before tax	(3,873)	(11,079)	4,523	(46,285)
Income tax benefit (expense) related to net unrealized holding (losses) gains on debt securities available-for-sale	1,089	3,102	(1,261)	12,869
Income tax (benefit) expense related to reclassification adjustment for gains included in net income	(5)	0	(5)	74
Income tax benefit related to post retirement benefit adjustment	0	0	0	13
Other comprehensive (loss) income, net of tax	(2,789)	(7,977)	3,257	(33,329)
Comprehensive income (loss)	$ 6,770	$ 7,897	$ 24,523	$ (3,328)

XML

Consolidated Statements of Changes in Stockholders’ Equity - USD ($) $ in Thousands	Total	Common Stock	Additional Paid-in Capital	Unallocated Common Stock Held by the Employee Stock Ownership Plan	Retained Earnings	Accumulated Other Comprehensive Income (loss) Net of tax	Treasury Stock
Beginning Balance, Common Stock (in shares) at Dec. 31, 2021		49,266,733
Beginning Balance at Dec. 31, 2021	$ 739,883	$ 648	$ 589,972	$ (17,058)	$ 381,361	$ 2,063	$ (217,103)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	30,001				30,001
Other comprehensive income (loss), net of tax	(33,329)					(33,329)
ESOP shares allocated or committed to be released	852		378	474
Stock compensation expense	845		845
Restricted stock issuance (in shares)		157,416
Restricted stock issuance	0		(2,484)				2,484
Restricted stock forfeitures (in shares)		(16,613)
Restricted stock forfeitures	0		237				(237)
Exercise of stock options, net (in shares)		17,040
Exercise of stock options, net	231		(8)				239
Cash dividends declared and paid	(12,231)				(12,231)
Repurchase of treasury stock (in shares)		(739,701)
Repurchase of treasury stock	(10,979)						(10,979)
Ending Balance, Common Stock (in shares) at Jun. 30, 2022		48,684,875
Ending Balance at Jun. 30, 2022	715,273	$ 648	588,940	(16,584)	399,131	(31,266)	(225,596)
Beginning Balance, Common Stock (in shares) at Mar. 31, 2022		48,910,192
Beginning Balance at Mar. 31, 2022	715,398	$ 648	588,131	(16,822)	389,387	(23,289)	(222,657)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	15,874				15,874
Other comprehensive income (loss), net of tax	(7,977)					(7,977)
ESOP shares allocated or committed to be released	401		163	238
Stock compensation expense	449		449
Restricted stock forfeitures (in shares)		(13,738)
Restricted stock forfeitures	0		197				(197)
Exercise of stock options, net	0
Cash dividends declared and paid	(6,130)				(6,130)
Repurchase of treasury stock (in shares)		(211,579)
Repurchase of treasury stock	(2,742)						(2,742)
Ending Balance, Common Stock (in shares) at Jun. 30, 2022		48,684,875
Ending Balance at Jun. 30, 2022	$ 715,273	$ 648	588,940	(16,584)	399,131	(31,266)	(225,596)
Beginning Balance, Common Stock (in shares) at Dec. 31, 2022	47,442,488	47,442,488
Beginning Balance at Dec. 31, 2022	$ 701,390	$ 648	590,249	(15,650)	418,353	(48,331)	(243,879)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	21,266				21,266
Other comprehensive income (loss), net of tax	3,257					3,257
ESOP shares allocated or committed to be released	690		232	458
Stock compensation expense	1,223		1,223
Restricted stock issuance (in shares)		173,060
Restricted stock issuance	0		(2,670)				2,670
Restricted stock forfeitures (in shares)		(21,252)
Restricted stock forfeitures	$ 0		308				(308)
Exercise of stock options, net (in shares)	7,600	7,600
Exercise of stock options, net	$ 100		(7)				107
Cash dividends declared and paid	(11,698)				(11,698)
Repurchase of treasury stock (in shares)		(2,358,223)
Repurchase of treasury stock	$ (29,587)						(29,587)
Ending Balance, Common Stock (in shares) at Jun. 30, 2023	45,243,673	45,243,673
Ending Balance at Jun. 30, 2023	$ 686,641	$ 648	589,335	(15,192)	427,921	(45,074)	(270,997)
Beginning Balance, Common Stock (in shares) at Mar. 31, 2023		46,530,167
Beginning Balance at Mar. 31, 2023	698,166	$ 648	588,532	(15,422)	424,148	(42,285)	(257,455)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	9,559				9,559
Other comprehensive income (loss), net of tax	(2,789)					(2,789)
ESOP shares allocated or committed to be released	297		67	230
Stock compensation expense	505		505
Restricted stock forfeitures (in shares)		(16,154)
Restricted stock forfeitures	0		231				(231)
Cash dividends declared and paid	(5,786)				(5,786)
Repurchase of treasury stock (in shares)		(1,270,340)
Repurchase of treasury stock	$ (13,311)						(13,311)
Ending Balance, Common Stock (in shares) at Jun. 30, 2023	45,243,673	45,243,673
Ending Balance at Jun. 30, 2023	$ 686,641	$ 648	$ 589,335	$ (15,192)	$ 427,921	$ (45,074)	$ (270,997)

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Consolidated Statements of Changes in Stockholders’ Equity (Parenthetical) - $ / shares	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Statement of Stockholders' Equity [Abstract]
Dividends declared per share (usd per share)	$ 0.13	$ 0.13	$ 0.13	$ 0.13
Dividends paid per share (usd per share)	0.13	0.13	0.13	0.13
Treasury stock repurchased cost per share (usd per share)	$ 10.48	$ 12.96	$ 12.42	$ 14.84

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Consolidated Statements of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022
Statement of Cash Flows [Abstract]
Net income	$ 21,266	$ 30,001
Adjustments to reconcile net income to net cash provided by operating activities:
Provision for credit losses	894	552
ESOP and stock compensation expense	1,913	1,697
Depreciation	1,832	1,857
Amortization of premiums and deferred loan costs, net of accretion of discounts and deferred loan fees	3,876	4,915
Amortization of debt issuance costs	112	0
Amortization of intangible assets	62	93
Amortization of operating lease right-of-use assets	2,341	2,331
Income on bank-owned life insurance	(1,759)	(1,687)
Net gain on sale of loans	(35)	0
Proceeds from sale of loans held-for-sale	498	0
Origination of loans held-for-sale	(1,440)	0
Losses (gains) on available-for-sale debt securities, net	17	(264)
(Gains) losses on trading securities, net	(1,018)	2,365
Loss (gain) on sale of other real estate owned, net	7	(17)
Net sales of trading securities	38	695
Increase in accrued interest receivable	(295)	(376)
Increase in other assets	(6,983)	(1,155)
Decrease in accrued expenses and other liabilities	(307)	(623)
Net cash provided by operating activities	21,019	40,384
Cash flows from investing activities:
Net increase in loans receivable	(29,716)	(300,245)
Purchases of loans	(3,781)	(7,696)
Purchases of FHLB of New York stock	(36,054)	(5,423)
Redemptions of FHLB of New York stock	26,060	7,817
Purchases of debt securities available-for-sale	0	(164,988)
Purchases of equity securities	(210)	(2,510)
Principal payments and maturities on debt securities available-for-sale	151,279	193,873
Principal payments and maturities on debt securities held-to-maturity	432	76
Proceeds from sale of debt securities available-for-sale	0	41,464
Proceeds from sale of equity securities	0	31
Proceeds from bank-owned life insurance	0	1,526
Proceeds from sale of other real estate owned	63	125
Purchases and improvements of premises and equipment	(1,561)	(1,686)
Net cash provided by (used in) investing activities	106,512	(237,636)
Cash flows from financing activities:
Net (decrease) increase in deposits	(385,816)	248,668
Dividends paid	(11,698)	(12,231)
Exercise of stock options	100	231
Purchase of treasury stock	(29,587)	(10,979)
Increase in advance payments by borrowers for taxes and insurance	3,122	4,549
Proceeds from issuance of subordinated debt, net of issuance costs	0	60,917
Proceeds from FHLB advances and other borrowings and securities sold under agreements to repurchase	692,788	261
Repayments related to securities sold under agreements to repurchase and other borrowings	(353,112)	(75,000)
Net cash (used in) provided by financing activities	(84,203)	216,416
Net increase in cash and cash equivalents	43,328	19,164
Cash and cash equivalents at beginning of period	45,799	91,068
Cash and cash equivalents at end of period	89,127	110,232
Cash paid during the period for:
Interest	33,942	6,807
Income taxes	10,156	11,205
Non-cash transactions:
Loan charge-offs, net	2,357	494
Transfer of loans held-for-investment to other real estate owned	70	0
Right-of-use assets obtained in exchange for new lease liabilities	63	4,983
Transfer of loans held-for-investment to loans held-for-sale at fair value	$ 0	$ 2,346

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Consolidated Financial Statements

6 Months Ended

Jun. 30, 2023

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Consolidated Financial Statements

Consolidated Financial Statements

Basis of Presentation

The consolidated financial statements are comprised of the accounts of Northfield Bancorp, Inc. and its wholly owned subsidiaries, Northfield Investments, Inc. and Northfield Bank (the “Bank”), and the Bank’s wholly-owned subsidiaries, NSB Services Corp. and NSB Realty Trust (collectively the “Company”). All significant intercompany accounts and transactions have been eliminated in consolidation.

In the opinion of management, all adjustments (consisting solely of normal and recurring adjustments) necessary for the fair presentation of the consolidated balance sheets and the consolidated statements of comprehensive income for the unaudited periods presented have been included. The results of operations and other data presented for the three and six months ended June 30, 2023 are not necessarily indicative of the results of operations that may be expected for the year ending December 31, 2023 or for any other period. Whenever necessary, certain prior year amounts are reclassified to conform to the current year presentation.

In preparing the unaudited consolidated financial statements in conformity with U.S. generally accepted accounting principles (“U.S. GAAP”), management has made estimates and assumptions that affect the reported amounts of assets and liabilities as of the date of the consolidated balance sheets and for the periods indicated in the consolidated statements of comprehensive income. Material estimates that are particularly susceptible to change are: the allowance for credit losses and the valuation allowance against deferred tax assets. Estimates and assumptions are reviewed periodically and the effects of revisions are reflected in the consolidated financial statements in the period they are deemed necessary. While management uses its best judgment, actual amounts or results could differ significantly from those estimates.

Certain information and note disclosures usually included in financial statements prepared in accordance with U.S. GAAP have been condensed or omitted pursuant to the rules and regulations of the Securities and Exchange Commission (“SEC”) for the preparation of interim financial statements. The consolidated financial statements presented should be read in conjunction with the audited consolidated financial statements and notes to consolidated financial statements included in the Company's Annual Report on Form 10-K for the year ended December 31, 2022, as filed with the SEC. 

Recent Accounting Pronouncements Adopted

Effective January 1, 2023, the Company adopted Accounting Standards Update (“ASU”) No. 2022-02, “Financial Instruments - Credit Losses (Topic 326): Troubled Debt Restructurings and Vintage Disclosures” (“ASU 2022-02”). The amendments in this ASU were issued to (1) eliminate accounting guidance for Troubled Debt Restructurings (“TDRs”) by creditors, while enhancing disclosure requirements for certain loan refinancings and restructurings by creditors when a borrower is experiencing financial difficulty; (2) require disclosures of current period gross write-offs by year of origination for financing receivables and net investments in leases. Under ASU 2022-02, the Company assesses all loan modifications to determine whether one is granted to a borrower experiencing financial difficulty, regardless of whether the modified loan terms include a concession. Modifications granted to borrowers experiencing financial difficulty may be in the form of an interest rate reduction, an other-than-insignificant payment delay, a term extension, principal forgiveness or a combination thereof.

Prior to the adoption of ASU 2022-02, a TDR occurred when the terms of a loan were modified because of deterioration in the financial condition of the borrower. Modifications could include extension of the repayment terms of the loan, reduced interest rates, or forgiveness of accrued interest and/or principal.  For the Company's accounting policy related to TDRs granted prior to the adoption of ASU 2022-02, see “Note 1. Significant Accounting Policies included in Item 8. Financial Statements and Supplementary Data” in the Company’s Annual Report on Form 10-K for the year ended December 31, 2022.

The Company adopted ASU 2022-02 on a prospective basis. The adoption of this update did not have a material effect on the Company’s consolidated financial statements. Additional disclosures are included in Note 5 to the consolidated financial statements.

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Debt Securities Available-for-Sale

6 Months Ended

Jun. 30, 2023

Investments, Debt and Equity Securities [Abstract]

Debt Securities Available-for-Sale

Debt Securities Available-for-Sale

The following is a comparative summary of mortgage-backed securities and other debt securities available-for-sale at June 30, 2023, and December 31, 2022 (in thousands):

	June 30, 2023
			Gross		Gross		Estimated
	Amortized		unrealized		unrealized		fair
	cost		gains		losses		value
U.S. Government agency securities	$	75,958	$	—	$	(3,872)	$	72,086
Mortgage-backed securities:
Pass-through certificates:
Government sponsored enterprises ("GSEs")	417,226		—		(38,667)		378,559
Real estate mortgage investment conduits ("REMICs"):
GSE	251,166		—		(15,120)		236,046
	668,392		—		(53,787)		614,605
Other debt securities:
Corporate bonds	120,817		—		(5,251)		115,566
	120,817		—		(5,251)		115,566
Total debt securities available-for-sale	$	865,167	$	—	$	(62,910)	$	802,257

	December 31, 2022
			Gross		Gross		Estimated
	Amortized		unrealized		unrealized		fair
	cost		gains		losses		value
U.S. Government agency securities	$	76,150	$	—	$	(4,074)	$	72,076
Mortgage-backed securities:
Pass-through certificates:
GSE	472,963		1		(40,346)		432,618
REMICs:
GSE	280,870		—		(16,146)		264,724
	753,833		1		(56,492)		697,342
Other debt securities:
Municipal bonds	21		—		—		21
Corporate bonds	189,603		2		(6,871)		182,734
	189,624		2		(6,871)		182,755
Total debt securities available-for-sale	$	1,019,607	$	3	$	(67,437)	$	952,173

The following is a summary of the expected maturity distribution of debt securities available-for-sale, other than mortgage-backed securities, at June 30, 2023 (in thousands):

Available-for-sale	Amortized cost		Estimated fair value
Due in one year or less	$	156,756	$	151,319
Due after one year through five years	40,019		36,333
	$	196,775	$	187,652

 Contractual maturities for mortgage-backed securities are not included above, as expected maturities on mortgage-backed securities may differ from contractual maturities as borrowers may have the right to call or prepay obligations with or without penalties.

Certain debt securities available-for-sale are pledged or encumbered to secure borrowings under Pledge Agreements and Repurchase Agreements and for other purposes required by law. At June 30, 2023 and December 31, 2022, the fair value of debt securities available-for-sale that were pledged to secure borrowings and deposits was $643.1 million and $591.7 million, respectively.

For the three months ended June 30, 2023, the Company had no gross proceeds on sales of debt securities available-for-sale, with gross realized gains of $21,000 and gross realized losses of $39,000 related to the payoff of securities. For the six months ended June 30, 2023, the Company had no gross proceeds on sales of debt securities available-for-sale, with gross realized gains of $22,000 and gross realized losses of $39,000 related to the payoff of securities. For the three months ended June 30, 2022, the Company had no sales of debt securities available-for-sale and no gross realized gains or losses. For the six months ended June 30, 2022, the Company had gross proceeds of $41.5 million on sales and calls of debt securities available-for-sale, with gross realized gains of $264,000 related to sales of securities and no gross realized losses. The Company recognized net gains of $506,000 and $1.0 million on its trading securities portfolio during the three and six months ended June 30, 2023, respectively. During the three and six months ended June 30, 2022, the Company recognized net losses of $1.6 million and $2.4 million, respectively, on its trading securities portfolio.

Gross unrealized losses on mortgage-backed securities and other debt securities available-for-sale, and the estimated fair value of the related securities, aggregated by security category and length of time that individual securities have been in a continuous unrealized loss position, at June 30, 2023 and December 31, 2022, were as follows (in thousands):

	June 30, 2023
	Less than 12 months				12 months or more				Total
	Unrealized		Estimated		Unrealized		Estimated		Unrealized		Estimated
	losses		fair value		losses		fair value		losses		fair value
U.S. Government agency securities	$	—	$	—	$	(3,872)	$	72,086	$	(3,872)	$	72,086
Mortgage-backed securities:
Pass-through certificates:
GSE	(269)		8,034		(38,398)		370,503		(38,667)		378,537
REMICs:
GSE	—		—		(15,120)		236,046		(15,120)		236,046
Other debt securities:
Corporate bonds	(735)		3,265		(4,516)		112,301		(5,251)		115,566
Total	$	(1,004)	$	11,299	$	(61,906)	$	790,936	$	(62,910)	$	802,235

	December 31, 2022
	Less than 12 months				12 months or more				Total
	Unrealized		Estimated		Unrealized		Estimated		Unrealized		Estimated
	losses		fair value		losses		fair value		losses		fair value
U.S. Government agency securities	$	(3,942)	$	71,058	$	(132)	$	1,018	$	(4,074)	$	72,076
Mortgage-backed securities:
Pass-through certificates:
GSE	(8,112)		142,605		(32,234)		289,890		(40,346)		432,495
REMICs:
GSE	(8,303)		180,612		(7,843)		84,112		(16,146)		264,724
Other debt securities:
Corporate bonds	(842)		35,778		(6,029)		129,174		(6,871)		164,952
Total	$	(21,199)	$	430,053	$	(46,238)	$	504,194	$	(67,437)	$	934,247

The Company held 102 pass-through mortgage-backed securities issued or guaranteed by GSEs, 81 REMIC mortgage-backed securities issued or guaranteed by GSEs, 19 corporate bonds, and five U.S. Government agency securities that were in a continuous unrealized loss position of twelve months or greater at June 30, 2023. There were 21 pass-through mortgage-backed securities issued or guaranteed by GSEs and one corporate bond that were in an unrealized loss position of less than twelve months at June 30, 2023. All securities referred to above were rated investment grade at June 30, 2023.

Available for sale debt securities in unrealized loss positions are evaluated for impairment related to credit losses on a quarterly basis. In performing an assessment of whether any decline in fair value is due to a credit loss, the Company considers the extent to which the fair value is less than the amortized cost, changes in credit ratings, any adverse economic conditions, as well as all relevant information at the individual security level such as credit deterioration of the issuer or collateral underlying the security. In assessing the impairment, the Company compares the present value of cash flows expected to be collected with the amortized cost basis of the security. If it is determined that the decline in fair value was due to credit losses, an allowance for credit losses is recorded, limited to the amount the fair value is less than amortized cost basis. The Company did not recognize any allowance for credit losses on its available-for-sale debt securities as of June 30, 2023 or December 31, 2022. 

The non-credit related decrease in the fair value, such as a decline due to changes in market interest rates, is recorded in other comprehensive income, net of tax. The Company also assesses its intent to sell the securities (as well as the likelihood of a near-term recovery). If the Company intends to sell an available for sale debt security or it is more likely than not that it will be required to sell the security before recovery of its amortized cost basis, the debt security is written down to its fair value and the write down is charged to the debt security’s fair value at the reporting date with any incremental impairment reported in earnings.

The Company has made the accounting policy election to exclude accrued interest receivable on available-for-sale securities from the estimate of credit losses. Accrued interest receivable associated with debt securities available-for-sale totaled $2.5 million and $2.8 million, at June 30, 2023 and December 31, 2022, respectively, and was reported in accrued interest receivable on the consolidated balance sheets.

Equity SecuritiesEquity securities totaled $10.7 million and $10.4 million at June 30, 2023 and December 31, 2022, respect. Equity securities consisted of money market mutual funds recorded at fair value of $653,000 and $361,000 at June 30, 2023 and December 31, 2022, respectively, and an investment in a private SBA loan fund (the “SBA Loan Fund”) recorded at net asset value of $10.0 million and $10.1 million at June 30, 2023 and December 31, 2022, respectively. As the SBA Loan Fund operates as a private fund, its shares are not publicly traded and, therefore, have no readily determinable market value. The SBA Loan Fund was recorded at net asset value as a practical expedient for reporting fair value.

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Debt Securities Held-to-Maturity

6 Months Ended

Jun. 30, 2023

Investments, Debt and Equity Securities [Abstract]

Debt Securities Held-to-Maturity

Debt Securities Held-to-Maturity

The following is a summary of mortgage-backed securities held-to-maturity at June 30, 2023 and December 31, 2022 (in thousands): 

	June 30, 2023
	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Estimated Fair Value
Mortgage-backed securities:
Pass-through certificates:
GSE	$	10,316	$	83	$	(453)	$	9,946
Total securities held-to-maturity	$	10,316	$	83	$	(453)	$	9,946

	December 31, 2022
	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Estimated Fair Value
Mortgage-backed securities:
Pass-through certificates:
GSE	$	10,760	$	90	$	(461)	$	10,389
Total securities held-to-maturity	$	10,760	$	90	$	(461)	$	10,389

Contractual maturities for mortgage-backed securities are not presented, as expected maturities on mortgage-backed securities may differ from contractual maturities as borrowers may have the right to call or prepay obligations with or without penalties. There were no sales of held-to-maturity securities for the six months ended June 30, 2023 or June 30, 2022.

At June 30, 2023 and December 31, 2022, debt securities held-to-maturity with a carrying value of $10.3 million and $2.0 million, respectively, were pledged to secure borrowings and deposits.

Gross unrealized losses on mortgage-backed securities held-to-maturity, and the estimated fair value of the related securities, aggregated by security category and length of time that individual securities have been in a continuous unrealized loss position at June 30, 2023 and December 31, 2022 were as follows (in thousands):

	June 30, 2023
	Less than 12 months				12 months or more				Total
	Unrealized		Estimated		Unrealized		Estimated		Unrealized		Estimated
	losses		fair value		losses		fair value		losses		fair value
Mortgage-backed securities:
Pass-through certificates:
GSE	$	(86)	$	3,253	$	(367)	$	3,768	$	(453)	$	7,021
Total	$	(86)	$	3,253	$	(367)	$	3,768	$	(453)	$	7,021

	December 31, 2022
	Less than 12 months				12 months or more				Total
	Unrealized		Estimated		Unrealized		Estimated		Unrealized		Estimated
	losses		fair value		losses		fair value		losses		fair value
Mortgage-backed securities:
Pass-through certificates:
GSE	$	(461)	$	7,433	$	—	$	—	$	(461)	$	7,433
Total	$	(461)	$	7,433	$	—	$	—	$	(461)	$	7,433

The Company held six pass-through mortgage-backed debt securities held-to-maturity issued or guaranteed by GSEs that were in a continuous unrealized loss position of twelve months or greater at June 30, 2023. The Company held three pass-through mortgage-backed debt securities held-to-maturity issued or guaranteed by GSEs that were in an unrealized loss position of less than twelve months at June 30, 2023.

The Company's held-to-maturity securities are residential mortgage-backed securities issued by Ginnie Mae, Freddie Mac and Fannie Mae, and it is expected that the securities will not be settled at prices less than the amortized cost bases of the securities as such securities are backed by the full faith and credit of and/or guaranteed by the U.S. Government. Accordingly, no allowance for credit losses has been recorded for these securities.

The Company has made the accounting policy election to exclude accrued interest receivable on held-to-maturity securities from the estimate of credit losses. Accrued interest receivable associated with held-to-maturity securities totaling $37,000 and $39,000, at June 30, 2023 and December 31, 2022, respectively, was reported in accrued interest receivable on the consolidated balance sheets.

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Equity Securities

6 Months Ended

Jun. 30, 2023

Investments, Debt and Equity Securities [Abstract]

Equity Securities

Debt Securities Available-for-Sale

The following is a comparative summary of mortgage-backed securities and other debt securities available-for-sale at June 30, 2023, and December 31, 2022 (in thousands):

	June 30, 2023
			Gross		Gross		Estimated
	Amortized		unrealized		unrealized		fair
	cost		gains		losses		value
U.S. Government agency securities	$	75,958	$	—	$	(3,872)	$	72,086
Mortgage-backed securities:
Pass-through certificates:
Government sponsored enterprises ("GSEs")	417,226		—		(38,667)		378,559
Real estate mortgage investment conduits ("REMICs"):
GSE	251,166		—		(15,120)		236,046
	668,392		—		(53,787)		614,605
Other debt securities:
Corporate bonds	120,817		—		(5,251)		115,566
	120,817		—		(5,251)		115,566
Total debt securities available-for-sale	$	865,167	$	—	$	(62,910)	$	802,257

	December 31, 2022
			Gross		Gross		Estimated
	Amortized		unrealized		unrealized		fair
	cost		gains		losses		value
U.S. Government agency securities	$	76,150	$	—	$	(4,074)	$	72,076
Mortgage-backed securities:
Pass-through certificates:
GSE	472,963		1		(40,346)		432,618
REMICs:
GSE	280,870		—		(16,146)		264,724
	753,833		1		(56,492)		697,342
Other debt securities:
Municipal bonds	21		—		—		21
Corporate bonds	189,603		2		(6,871)		182,734
	189,624		2		(6,871)		182,755
Total debt securities available-for-sale	$	1,019,607	$	3	$	(67,437)	$	952,173

The following is a summary of the expected maturity distribution of debt securities available-for-sale, other than mortgage-backed securities, at June 30, 2023 (in thousands):

Available-for-sale	Amortized cost		Estimated fair value
Due in one year or less	$	156,756	$	151,319
Due after one year through five years	40,019		36,333
	$	196,775	$	187,652

 Contractual maturities for mortgage-backed securities are not included above, as expected maturities on mortgage-backed securities may differ from contractual maturities as borrowers may have the right to call or prepay obligations with or without penalties.

Certain debt securities available-for-sale are pledged or encumbered to secure borrowings under Pledge Agreements and Repurchase Agreements and for other purposes required by law. At June 30, 2023 and December 31, 2022, the fair value of debt securities available-for-sale that were pledged to secure borrowings and deposits was $643.1 million and $591.7 million, respectively.

For the three months ended June 30, 2023, the Company had no gross proceeds on sales of debt securities available-for-sale, with gross realized gains of $21,000 and gross realized losses of $39,000 related to the payoff of securities. For the six months ended June 30, 2023, the Company had no gross proceeds on sales of debt securities available-for-sale, with gross realized gains of $22,000 and gross realized losses of $39,000 related to the payoff of securities. For the three months ended June 30, 2022, the Company had no sales of debt securities available-for-sale and no gross realized gains or losses. For the six months ended June 30, 2022, the Company had gross proceeds of $41.5 million on sales and calls of debt securities available-for-sale, with gross realized gains of $264,000 related to sales of securities and no gross realized losses. The Company recognized net gains of $506,000 and $1.0 million on its trading securities portfolio during the three and six months ended June 30, 2023, respectively. During the three and six months ended June 30, 2022, the Company recognized net losses of $1.6 million and $2.4 million, respectively, on its trading securities portfolio.

Gross unrealized losses on mortgage-backed securities and other debt securities available-for-sale, and the estimated fair value of the related securities, aggregated by security category and length of time that individual securities have been in a continuous unrealized loss position, at June 30, 2023 and December 31, 2022, were as follows (in thousands):

	June 30, 2023
	Less than 12 months				12 months or more				Total
	Unrealized		Estimated		Unrealized		Estimated		Unrealized		Estimated
	losses		fair value		losses		fair value		losses		fair value
U.S. Government agency securities	$	—	$	—	$	(3,872)	$	72,086	$	(3,872)	$	72,086
Mortgage-backed securities:
Pass-through certificates:
GSE	(269)		8,034		(38,398)		370,503		(38,667)		378,537
REMICs:
GSE	—		—		(15,120)		236,046		(15,120)		236,046
Other debt securities:
Corporate bonds	(735)		3,265		(4,516)		112,301		(5,251)		115,566
Total	$	(1,004)	$	11,299	$	(61,906)	$	790,936	$	(62,910)	$	802,235

	December 31, 2022
	Less than 12 months				12 months or more				Total
	Unrealized		Estimated		Unrealized		Estimated		Unrealized		Estimated
	losses		fair value		losses		fair value		losses		fair value
U.S. Government agency securities	$	(3,942)	$	71,058	$	(132)	$	1,018	$	(4,074)	$	72,076
Mortgage-backed securities:
Pass-through certificates:
GSE	(8,112)		142,605		(32,234)		289,890		(40,346)		432,495
REMICs:
GSE	(8,303)		180,612		(7,843)		84,112		(16,146)		264,724
Other debt securities:
Corporate bonds	(842)		35,778		(6,029)		129,174		(6,871)		164,952
Total	$	(21,199)	$	430,053	$	(46,238)	$	504,194	$	(67,437)	$	934,247

The Company held 102 pass-through mortgage-backed securities issued or guaranteed by GSEs, 81 REMIC mortgage-backed securities issued or guaranteed by GSEs, 19 corporate bonds, and five U.S. Government agency securities that were in a continuous unrealized loss position of twelve months or greater at June 30, 2023. There were 21 pass-through mortgage-backed securities issued or guaranteed by GSEs and one corporate bond that were in an unrealized loss position of less than twelve months at June 30, 2023. All securities referred to above were rated investment grade at June 30, 2023.

Available for sale debt securities in unrealized loss positions are evaluated for impairment related to credit losses on a quarterly basis. In performing an assessment of whether any decline in fair value is due to a credit loss, the Company considers the extent to which the fair value is less than the amortized cost, changes in credit ratings, any adverse economic conditions, as well as all relevant information at the individual security level such as credit deterioration of the issuer or collateral underlying the security. In assessing the impairment, the Company compares the present value of cash flows expected to be collected with the amortized cost basis of the security. If it is determined that the decline in fair value was due to credit losses, an allowance for credit losses is recorded, limited to the amount the fair value is less than amortized cost basis. The Company did not recognize any allowance for credit losses on its available-for-sale debt securities as of June 30, 2023 or December 31, 2022. 

The non-credit related decrease in the fair value, such as a decline due to changes in market interest rates, is recorded in other comprehensive income, net of tax. The Company also assesses its intent to sell the securities (as well as the likelihood of a near-term recovery). If the Company intends to sell an available for sale debt security or it is more likely than not that it will be required to sell the security before recovery of its amortized cost basis, the debt security is written down to its fair value and the write down is charged to the debt security’s fair value at the reporting date with any incremental impairment reported in earnings.

The Company has made the accounting policy election to exclude accrued interest receivable on available-for-sale securities from the estimate of credit losses. Accrued interest receivable associated with debt securities available-for-sale totaled $2.5 million and $2.8 million, at June 30, 2023 and December 31, 2022, respectively, and was reported in accrued interest receivable on the consolidated balance sheets.

Equity SecuritiesEquity securities totaled $10.7 million and $10.4 million at June 30, 2023 and December 31, 2022, respect. Equity securities consisted of money market mutual funds recorded at fair value of $653,000 and $361,000 at June 30, 2023 and December 31, 2022, respectively, and an investment in a private SBA loan fund (the “SBA Loan Fund”) recorded at net asset value of $10.0 million and $10.1 million at June 30, 2023 and December 31, 2022, respectively. As the SBA Loan Fund operates as a private fund, its shares are not publicly traded and, therefore, have no readily determinable market value. The SBA Loan Fund was recorded at net asset value as a practical expedient for reporting fair value.

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Loans

6 Months Ended

Jun. 30, 2023

Receivables [Abstract]

Loans

Loans

The following table summarizes the Company’s loans held-for-investment (in thousands):

	June 30,		December 31,
	2023		2022
Real estate loans:
Multifamily	$	2,814,809	$	2,824,579
Commercial mortgage	942,980		899,249
One-to-four family residential mortgage	170,767		173,946
Home equity and lines of credit	158,517		152,555
Construction and land	29,444		24,932
Total real estate loans	4,116,517		4,075,261
Commercial and industrial loans (1)	143,314		154,700
Other loans	2,663		2,230
Total commercial and industrial and other loans	145,977		156,930
Loans held-for-investment (excluding purchased credit-deteriorated (“PCD”) loans)	4,262,494		4,232,191
PCD loans	11,548		11,502
Total loans held-for-investment	4,274,042		4,243,693
Allowance for credit losses	(41,154)		(42,617)
Net loans held-for-investment	$	4,232,888	$	4,201,076

(1) Included in commercial and industrial loans at June 30, 2023 and December 31, 2022 are Payment Protection Program ("PPP") loans totaling $366,000 and $5.1 million, respectively.

The Company had $977,000 of loans held-for-sale at June 30, 2023 and no loans held-for-sale at December 31, 2022.

In addition to originating loans, the Company may acquire loans through portfolio purchases or acquisitions of other companies. Purchased loans that have evidence of more than insignificant credit deterioration since origination are deemed PCD loans. For PCD loans, each loan pool is accounted for as a single asset with a single composite interest rate and an aggregate expectation of cash flows. PCD loans totaled $11.5 million at both June 30, 2023 and December 31, 2022. The majority of the PCD loan balance is attributable to those loans acquired as part of a Federal Deposit Insurance Corporation-assisted transaction. At June 30, 2023, PCD loans consisted of approximately 10% home equity loans, 31% commercial real estate loans, 52% commercial and industrial loans, and 7% in one-to-four family residential loans. At December 31, 2022, PCD loans consisted of approximately 9% one-to-four family residential loans, 28% commercial real estate loans, 53% commercial and industrial loans, and 10% in home equity loans.

Credit Quality Indicators

The Company monitors the credit quality of its loan portfolio on a regular basis. Credit quality is monitored by reviewing certain credit quality indicators. Management has determined that loan-to-value (“LTV”) ratios (at period end) and internally assigned credit risk ratings by loan type are the key credit quality indicators that best measure the credit quality of the Company’s loan receivables. LTV ratios used by management in monitoring credit quality are based on current period loan balances and original appraised values at the time of origination (unless a current appraisal has been obtained as a result of the loan being deemed impaired). 

The Company maintains a credit risk rating system as part of the risk assessment of its loan portfolio. The Company’s lending officers are required to assign a credit risk rating to each loan in their portfolio at origination. This risk rating is reviewed periodically and adjusted if necessary. Monthly, management presents monitored assets to the loan committee. In addition, the Company engages a third-party independent loan reviewer that performs semi-annual reviews of a sample of loans, validating the credit risk ratings assigned to such loans. The credit risk ratings play an important role in the establishment of the provision for credit losses on loans and the allowance for credit losses for loans held-for-investment. After determining the loss factor for each portfolio segment held-for-investment, the collectively evaluated for impairment balance of the held-for-investment portfolio is multiplied by the collectively evaluated for impairment loss factor for the respective portfolio segment in order to determine the allowance for loans collectively evaluated for impairment.

When assigning a credit risk rating to a loan, management utilizes the Bank’s internal nine-point credit risk rating system. 

1.Strong

2.Good

3.Acceptable

4.Adequate

5.Watch

6.Special Mention

7.Substandard

8.Doubtful

9.Loss

Loans rated 1 to 5 are considered pass ratings. An asset is classified substandard if it is inadequately protected by the current net worth and paying capacity of the obligor or of the collateral pledged, if any. Substandard assets have well defined weaknesses based on objective evidence, and are characterized by the distinct possibility that the Company will sustain some loss if the deficiencies are not corrected. Assets classified as doubtful have all of the weaknesses inherent in those classified substandard with the added characteristic that the weaknesses present make collection or liquidation in full highly questionable and improbable based on current circumstances. Assets classified as loss are those considered uncollectible and of such little value that their continuance as assets is not warranted. Assets which do not currently expose the Company to sufficient risk to warrant classification in one of the aforementioned categories, but possess weaknesses, are required to be designated special mention.

The following table presents the Company’s loans held-for-investment and current period gross charge-offs, excluding PCD loans, by loan class, credit risk ratings and year of origination, at June 30, 2023 (in thousands):

	June 30, 2023
	2023		2022		2021		2020		2019		Prior		Revolving Loans		Total
Real Estate:
Multifamily
Pass	$	75,847	$	626,142	$	659,433	$	474,042	$	252,353	$	716,825	$	562	$	2,805,204
Special mention	—		—		—		—		—		334		—		334
Substandard	—		—		—		—		—		9,271		—		9,271
Total multifamily	75,847		626,142		659,433		474,042		252,353		726,430		562		2,814,809
Commercial
Pass	82,595		211,238		156,830		67,219		89,326		318,992		1,849		928,049
Special mention	—		—		—		—		—		733		—		733
Substandard	—		2,864		—		—		—		11,034		300		14,198
Total commercial	82,595		214,102		156,830		67,219		89,326		330,759		2,149		942,980
One-to-four family residential
Pass	6,252		28,705		12,190		8,508		9,595		102,168		953		168,371
Special mention	—		—		—		—		—		1,670		—		1,670
Substandard	—		—		—		—		—		726		—		726
Total one-to-four family residential	6,252		28,705		12,190		8,508		9,595		104,564		953		170,767
Home equity and lines of credit
Pass	11,552		34,476		16,134		7,955		5,657		14,831		67,576		158,181
Special mention	—		—		—		—		—		69		—		69
Substandard	—		—		24		—		91		152		—		267
Total home equity and lines of credit	11,552		34,476		16,158		7,955		5,748		15,052		67,576		158,517
Construction and land
Pass	459		7,217		1,425		8,994		1,234		7,464		2,651		29,444
Total construction and land	459		7,217		1,425		8,994		1,234		7,464		2,651		29,444
Total real estate loans	176,705		910,642		846,036		566,718		358,256		1,184,269		73,891		4,116,517
Commercial and industrial
Pass	4,195		25,703		17,345		2,841		3,230		8,502		65,291		127,107
Special mention	—		—		—		44		—		107		250		401
Substandard	—		1,029		427		116		87		274		13,873		15,806
Total commercial and industrial	4,195		26,732		17,772		3,001		3,317		8,883		79,414		143,314
Current period gross charge-offs	—		1,591		707		—		—		113		—		2,411
Other
Pass	2,497		—		—		97		—		17		42		2,653
Substandard	—		—		—		—		—		—		10		10
Total other	2,497		—		—		97		—		17		52		2,663
Total loans held-for-investment	$	183,397	$	937,374	$	863,808	$	569,816	$	361,573	$	1,193,169	$	153,357	$	4,262,494
Total current-period gross charge-offs	$	—	$	1,591	$	707	$	—	$	—	$	113	$	—	$	2,411

The following table presents the Company’s loans held-for-investment, excluding PCD loans, by loan class, credit risk ratings and year of origination, at December 31, 2022 (in thousands):

	December 31, 2022
	2022		2021		2020		2019		2018		Prior		Revolving Loans		Total
Real Estate:
Multifamily
Pass	$	632,613	$	676,370	$	500,069	$	255,374	$	204,810	$	545,335	$	521	$	2,815,092
Substandard	—		—		—		—		3,525		5,962		—		9,487
Total multifamily	632,613		676,370		500,069		255,374		208,335		551,297		521		2,824,579
Commercial
Pass	213,621		147,419		68,215		90,644		72,512		275,606		1,664		869,681
Special mention	—		—		—		—		—		4,852		—		4,852
Substandard	2,889		10,574		—		—		—		11,253		—		24,716
Total commercial	216,510		157,993		68,215		90,644		72,512		291,711		1,664		899,249
One-to-four family residential
Pass	26,432		12,340		8,623		10,057		7,227		105,787		1,006		171,472
Special mention	—		—		—		—		—		1,716		—		1,716
Substandard	—		—		—		—		—		758		—		758
Total one-to-four family residential	26,432		12,340		8,623		10,057		7,227		108,261		1,006		173,946
Home equity and lines of credit
Pass	36,513		16,053		8,198		5,948		4,484		11,315		69,539		152,050
Special mention	—		—		—		—		—		70		—		70
Substandard	—		—		—		92		48		295		—		435
Total home equity and lines of credit	36,513		16,053		8,198		6,040		4,532		11,680		69,539		152,555
Construction and land
Pass	8,121		1,145		6,335		1,276		1,427		3,905		653		22,862
Substandard	—		—		—		—		2,070		—		—		2,070
Total construction and land	8,121		1,145		6,335		1,276		3,497		3,905		653		24,932
Total real estate loans	920,189		863,901		591,440		363,391		296,103		966,854		73,383		4,075,261
Commercial and industrial
Pass	16,941		14,805		7,754		3,754		1,460		8,172		98,969		151,855
Special mention	—		—		48		—		—		124		214		386
Substandard	291		482		96		50		200		217		1,123		2,459
Total commercial and industrial	17,232		15,287		7,898		3,804		1,660		8,513		100,306		154,700
Other
Pass	2,010		—		114		5		6		21		74		2,230
Total other	2,010		—		114		5		6		21		74		2,230
Total loans held-for-investment	$	939,431	$	879,188	$	599,452	$	367,200	$	297,769	$	975,388	$	173,763	$	4,232,191

Past Due and Non-Accrual Loans

Included in loans receivable held-for-investment are loans for which the accrual of interest income has been discontinued due to deterioration in the financial condition of the borrowers. The recorded investment of these non-accrual loans was $10.1 million and $9.8 million at June 30, 2023 and December 31, 2022, respectively. Generally, originated loans are placed on non-accrual status when they become 90 days or more delinquent, or sooner if considered appropriate by management, and remain on non-accrual status until they are brought current, have six consecutive months of performance under the loan terms, and factors indicating reasonable doubt about the timely collection of payments no longer exist. Therefore, loans may be current in accordance with their loan terms, or may be less than 90 days delinquent and still be on a non-accruing status.    

When an individual loan no longer demonstrates the similar credit risk characteristics as other loans within its current segment, the Company evaluates each for expected credit losses on an individual basis. All non-accrual loans $500,000 and above and all loans designated as TDRs prior to the adoption of ASU 2022-02 are individually evaluated. The non-accrual amounts included in loans individually evaluated for impairment were $5.1 million and $5.2 million at June 30, 2023, and December 31, 2022, respectively. Loans on non-accrual status with principal balances less than $500,000, and therefore not meeting the Company's definition of an impaired loan, amounted to $5.0 million at June 30, 2023, and $4.6 million at December 31, 2022. Loans past due 90 days or more and still accruing interest were $224,000 and $425,000 at June 30, 2023 and December 31, 2022, respectively, and consisted of loans that are well-secured and in the process of collection.

The following tables set forth the detail, and delinquency status, of non-performing loans (non-accrual loans and loans past due 90 days or more and still accruing), net of deferred fees and costs, at June 30, 2023, and December 31, 2022, excluding PCD loans (in thousands):

	June 30, 2023
	Total Non-Performing Loans
	Non-Accruing Loans
	Current		30-89 Days Past Due		90 Days or More Past Due		Total		90 Days or More Past Due and Accruing		Total Non-Performing Loans
Loans held-for-investment:
Real estate loans:
Multifamily
Substandard	$	2,257	$	—	$	966	$	3,223	$	218	$	3,441
Total multifamily	2,257		—		966		3,223		218		3,441
Commercial
Substandard	2,886		171		2,336		5,393		—		5,393
Total commercial	2,886		171		2,336		5,393		—		5,393
One-to-four family residential
Substandard	82		—		27		109		6		115
Total one-to-four family residential	82		—		27		109		6		115
Home equity and lines of credit
Substandard	—		—		100		100		—		100
Total home equity and lines of credit	—		—		100		100		—		100
Total real estate	5,225		171		3,429		8,825		224		9,049
Commercial and industrial loans
Substandard	90		—		1,185		1,275		—		1,275
Total commercial and industrial loans	90		—		1,185		1,275		—		1,275
Other loans
Substandard	—		—		10		10		—		10
Total other	—		—		10		10		—		10
Total non-performing loans	$	5,315	$	171	$	4,624	$	10,110	$	224	$	10,334

	December 31, 2022
	Total Non-Performing Loans
	Non-Accruing Loans
	Current		30-89 Days Past Due		90 Days or More Past Due		Total		90 Days or More Past Due and Accruing		Total Non-Performing Loans
Loans held-for-investment:
Real estate loans:
Multifamily
Substandard	$	1,923	$	—	$	1,362	$	3,285	$	233	$	3,518
Total multifamily	1,923		—		1,362		3,285		233		3,518
Commercial
Substandard	2,806		431		1,947		5,184		8		5,192
Total commercial	2,806		431		1,947		5,184		8		5,192
One-to-four family residential
Substandard	—		—		118		118		155		273
Total one-to-four family residential	—		—		118		118		155		273
Home equity and lines of credit
Substandard	186		—		76		262		—		262
Total home equity and lines of credit	186		—		76		262		—		262
Total real estate	4,915		431		3,503		8,849		396		9,245
Commercial and industrial loans
Substandard	—		26		938		964		24		988
Total commercial and industrial loans	—		26		938		964		24		988
Other loans
Pass	—		—		—		—		5		5
Total other	—		—		—		—		5		5
Total non-performing loans	$	4,915	$	457	$	4,441	$	9,813	$	425	$	10,238

The following tables set forth the detail and delinquency status of loans held-for-investment, excluding PCD loans, net of deferred fees and costs, at June 30, 2023, and December 31, 2022 (in thousands):

	June 30, 2023
			Past Due Loans
	30-89 Days Past Due		90 Days or More Past Due		90 Days or More Past Due and Accruing		Total Past Due		Current		Total Loans Receivable, net
Loans held-for-investment:
Real estate loans:
Multifamily
Pass	$	—	$	—	$	—	$	—	$	2,805,204	$	2,805,204
Special mention	—		—		—		—		334		334
Substandard	—		966		218		1,184		8,087		9,271
Total multifamily	—		966		218		1,184		2,813,625		2,814,809
Commercial
Pass	185		—		—		185		927,864		928,049
Special mention	—		—		—		—		733		733
Substandard	789		2,336		—		3,125		11,073		14,198
Total commercial	974		2,336		—		3,310		939,670		942,980
One-to-four family residential
Pass	365		—		—		365		168,006		168,371
Special mention	67		—		—		67		1,603		1,670
Substandard	135		27		6		168		558		726
Total one-to-four family residential	567		27		6		600		170,167		170,767
Home equity and lines of credit
Pass	165		—		—		165		158,016		158,181
Special mention	—		—		—		—		69		69
Substandard	91		100		—		191		76		267
Total home equity and lines of credit	256		100		—		356		158,161		158,517
Construction and land
Pass	—		—		—		—		29,444		29,444
Total construction and land	—		—		—		—		29,444		29,444
Total real estate	1,797		3,429		224		5,450		4,111,067		4,116,517
Commercial and industrial
Pass	2,036		—		—		2,036		125,071		127,107
Special mention	44		—		—		44		357		401
Substandard	372		1,185		—		1,557		14,249		15,806
Total commercial and industrial	2,452		1,185		—		3,637		139,677		143,314
Other loans
Pass	—		—		—		—		2,653		2,653
Substandard	—		10		—		10		—		10
Total other loans	—		10		—		10		2,653		2,663
Total loans held-for-investment	$	4,249	$	4,624	$	224	$	9,097	$	4,253,397	$	4,262,494

	December 31, 2022
	Past Due Loans
	30-89 Days Past Due		90 Days or More Past Due		90 Days or More Past Due and Accruing		Total Past Due		Current		Total Loans Receivable, net
Loans held-for-investment:
Real estate loans:
Multifamily
Pass	$	189	$	—	$	—	$	189	$	2,814,903	$	2,815,092
Substandard	—		1,362		233		1,595		7,892		9,487
Total multifamily	189		1,362		233		1,784		2,822,795		2,824,579
Commercial
Pass	726		—		—		726		868,955		869,681
Special mention	—		—		—		—		4,852		4,852
Substandard	605		1,947		8		2,560		22,156		24,716
Total commercial	1,331		1,947		8		3,286		895,963		899,249
One-to-four family residential
Pass	603		—		—		603		170,869		171,472
Special mention	69		—		—		69		1,647		1,716
Substandard	—		118		155		273		485		758
Total one-to-four family residential	672		118		155		945		173,001		173,946
Home equity and lines of credit
Pass	657		—		—		657		151,393		152,050
Special mention	—		—		—		—		70		70
Substandard	173		76		—		249		186		435
Total home equity and lines of credit	830		76		—		906		151,649		152,555
Construction and land
Pass	—		—		—		—		22,862		22,862
Substandard	—		—		—		—		2,070		2,070
Total construction and land	—		—		—		—		24,932		24,932
Total real estate	3,022		3,503		396		6,921		4,068,340		4,075,261
Commercial and industrial
Pass	573		—		—		573		151,282		151,855
Special mention	—		—		—		—		386		386
Substandard	498		938		24		1,460		999		2,459
Total commercial and industrial	1,071		938		24		2,033		152,667		154,700
Other loans
Pass	5		—		5		10		2,220		2,230
Total other loans	5		—		5		10		2,220		2,230
Total loans held-for-investment	$	4,098	$	4,441	$	425	$	8,964	$	4,223,227	$	4,232,191

The following tables summarize information on non-accrual loans, excluding PCD loans, as of June 30, 2023 and December 31, 2022 (in thousands):

	June 30, 2023
	Recorded Investment		Unpaid Principal Balance		With No Related Allowance
Real estate loans:
Multifamily	$	3,223	$	3,510	$	2,042
Commercial	5,393		5,848		3,031
One-to-four family residential	109		109		—
Home equity and lines of credit	100		349		—
Commercial and industrial	1,275		2,511		69
Other	10		9		—
Total non-accrual loans	$	10,110	$	12,336	$	5,142

	December 31, 2022
	Recorded Investment		Unpaid Principal Balance		With No Related Allowance
Real estate loans:
Multifamily	$	3,285	$	3,294	$	2,050
Commercial	5,184		5,639		3,069
One-to-four family residential	118		118		—
Home equity and lines of credit	262		512		—
Commercial and industrial	964		1,288		67
Total non-accrual loans	$	9,813	$	10,851	$	5,186

The following table summarizes interest income on non-accrual loans, excluding PCD loans, during the three and six months ended June 30, 2023 and June 30, 2022 (in thousands):

	Three Months Ended June 30,				Six Months Ended June 30,
	2023		2022		2023		2022
Real estate loans:
Multifamily	$	56	$	24	$	103	$	48
Commercial	74		70		120		82
One-to-four family residential	1		7		5		10
Home equity and lines of credit	1		11		1		11
Commercial and industrial	28		7		29		8
Total interest income on non-accrual loans	$	160	$	119	$	258	$	159

Collateral-Dependent Loans

Loans for which the borrower is experiencing financial difficulty and repayment is expected to be provided substantially through the operation or sale of the collateral are considered to be collateral-dependent loans. Collateral can have a significant financial effect in mitigating exposure to credit risk and, where there is sufficient collateral, an allowance for credit losses is not recognized or is minimal. For collateral-dependent loans, the allowance for credit losses is individually assessed based on the fair value of the collateral less estimated costs of sale. The Company's collateral-dependent loans are secured by real estate. Collateral values are generally based on appraisals which are adjusted for changes in market indices. As of June 30, 2023 and December 31, 2022, the Company had $7.2 million and $7.4 million of collateral-dependent impaired loans, respectively. The collateral-dependent loans at June 30, 2023 consisted of $4.8 million of commercial real estate loans, $2.0 million of multifamily loans, and $314,000 of one-to-four family residential loans. For the six months ended June 30, 2023, there was no significant deterioration or changes in the collateral securing these loans.

Loan Modifications Made to Borrowers Experiencing Financial Difficulty

Effective January 1, 2023, the Company adopted ASU 2022-02, which eliminated the accounting for TDRs while expanding loan modification and vintage disclosure requirements. See Note 1 to the consolidated financial statements for further information.

The following table presents the amortized cost basis at June 30, 2023 of loan modifications made to borrowers experiencing financial difficulty that were restructured during the three and six months ended June 30, 2023 by type of modification (dollars in thousands):

	Three and Six Months Ended June 30, 2023
		Payment Delay		Payment Delay and Interest Rate Reduction		Payment Delay, Term Extension, and Interest Rate Reductions		Total		Percent of Total Class
Commercial mortgage		$	65	$	—	$	—	$	65	0.01	%
Commercial and industrial		—		210		325		535		0.37	%
Total loans		$	65	$	210	$	325	$	600	0.06	%

The following table presents the financial effect of loan modifications made to borrowers experiencing financial difficulty during the three and six months ended June 30, 2023 (in thousands):

	Three and Six Months Ended June 30, 2023
		Weighted-Average Term Extension (in months)	Weighted-Average Interest Rate Reduction
Commercial and industrial		32	(4.65)	%

No modifications involved forgiveness of principal. There were no commitments to lend additional funds to borrowers experiencing financial difficulty whose terms have been restructured at June 30, 2023.

For restructured loans, a subsequent payment default is defined in terms of delinquency, when a principal or interest payment is 90 days past due or classified into non-accrual status during the reporting period. Of the loans restructured during the three and six months ended June 30, 2023 (since adoption of ASU 2022-02), there were no subsequent defaults as of June 30, 2023.

The following table presents the aging analysis of loan modifications made to borrowers experiencing financial difficulty during the three and six months ended June 30, 2023 (in thousands):

	June 30, 2023
	Current		30-89 Days Past Due		90 Days or More Past Due		Non-Accrual		Total
Commercial mortgage	$	—	$	65	$	—	$	—	$	65
Commercial and industrial	459		76		—		—		535
Total loans	$	459	$	141	$	—	$	—	$	600

Troubled Debt Restructured Loans prior to the adoption of ASU 2022-02

Prior to the adoption of ASU 2022-02, the Company classified certain loans as TDRs when credit terms to a borrower in financial difficulty were modified, in accordance with ASC 310-40. With the adoption of ASU 2022-02 the Company has ceased to recognize or measure for new TDRs, but those existing at December 31, 2022 will remain until settled.

There were no loans modified as a TDR during the three or six months ended June 30, 2022.

At December 31, 2022 the Company had TDRs of $7.0 million.

Management classifies all TDRs as loans individually evaluated for impairment. Loans individually evaluated for impairment are assessed to determine that the loan’s carrying value is not in excess of the estimated fair value of the collateral less cost to sell, if the loan is collateral-dependent, or the present value of the expected future cash flows, if the loan is not collateral-dependent. Management performs an evaluation of each impaired loan and generally obtains updated appraisals as part of the evaluation. In addition, management adjusts estimated fair values down to appropriately consider recent market conditions, our willingness to accept a lower sales price to effect a quick sale, and costs to dispose of any supporting collateral. Determining the estimated fair value of underlying collateral (and related costs to sell) can be difficult in illiquid real estate markets and is subject to significant assumptions and estimates. Management employs an independent third-party management firm that specializes in appraisal preparation and review to ascertain the reasonableness of updated appraisals. Projecting the expected cash flows under TDRs which are not collateral-dependent is inherently subjective and requires, among other things, an evaluation of the borrower’s current and projected financial condition. Actual results may be significantly different than our projections and our established allowance for credit losses on these loans, which could have a material effect on our financial results.

At June 30, 2022, there were no restructured TDRs during the preceding twelve months that subsequently defaulted.

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Allowance for Credit Losses (“ACL”) on Loans

6 Months Ended

Jun. 30, 2023

Credit Loss [Abstract]

Allowance for Credit Losses (“ACL”) on Loans

Allowance for Credit Losses (“ACL”) on Loans

Allowance for Collectively Evaluated Loans Held-for-Investment

In estimating the quantitative component of the allowance on a collective basis, the Company uses a risk rating migration model which calculates an expected life of loan loss percentage for each loan by generating probability of default and loss given default metrics. These metrics are multiplied by the exposure at the potential default, taking into consideration estimated prepayments, to calculate the quantitative component of the ACL. The metrics are based on the migration of loans from performing to loss by credit risk rating or delinquency categories using historical life-of-loan analysis periods for each loan portfolio pool, and the severity of loss, based on the aggregate net lifetime losses incurred using the Company's own historical loss experience and comparable peer data loss history. The model's expected losses based on loss history are adjusted for qualitative adjustments to address risks that may not be adequately represented in the risk rating migration model. Among other things, these adjustments include and account for differences in: (i) changes in lending policies and procedures; (ii) changes in local, regional, national, and international economic and business conditions and developments that affect the collectability of our portfolio, including the condition of various market segments; (iii) changes in the experience, ability and depth of lending management and other relevant staff; (iv) changes in the quality of our loan review system; (v) the existence and effect of any concentrations of credit, and changes in the level of such concentrations; and (vi) the effect of other external factors such as competition and legal and regulatory requirements on the level of estimated credit losses in our existing portfolio.

The Company utilizes a two-year reasonable and supportable forecast period after which estimated losses revert to historical loss experience immediately for the remaining life of the loan. In establishing its estimate of expected credit losses, the Company utilizes five externally-sourced forward-looking economic scenarios developed by Moody's Analytics (“Moody's”).     

Management utilizes five different Moody's scenarios so as to incorporate uncertainties related to the economic environment. These scenarios, which range from more benign to more severe economic outlooks, include a “most likely outcome” (the “Baseline” scenario) and four less likely scenarios referred to as the “Upside” and “Downside” scenarios. Each scenario is assigned a weighting with a majority of the weighting placed on the Baseline scenario and lower weights placed on both the Upside and Downside scenarios. The weighting assigned by management is based on the economic outlook and available information at the reporting date. The model projects economic variables under each scenario based on detailed statistical analyses. The Company has identified and selected key variables that most closely correlated to its historical credit performance, which include: Gross domestic product, unemployment, and three collateral indices: the Commercial Property Price Index, the Commercial Property Price Apartment Index and the Case-Shiller Home Price Index.

Allowance for Individually Evaluated Loans

The Company measures specific reserves for individual loans that do not share common risk characteristics with other loans, consisting of all loans previously modified as TDR's and non-accrual loans with an outstanding balance of $500,000 or greater. Loans individually evaluated for impairment are assessed to determine whether the loan’s carrying value is not in excess of the estimated fair value of the collateral less cost to sell, if the loan is collateral-dependent, or the present value of the expected future cash flows, if the loan is not collateral-dependent. Management performs an evaluation of each impaired loan and generally obtains updated appraisals as part of the evaluation. In addition, management adjusts estimated fair values down to appropriately consider recent market conditions, our willingness to accept a lower sales price to effect a quick sale, and costs to dispose of any supporting collateral. Determining the estimated fair value of underlying collateral (and related costs to sell) can be difficult in illiquid real estate markets and is subject to significant assumptions and estimates. Management employs an independent third-party management firm that specializes in appraisal preparation and review to ascertain the reasonableness of updated appraisals. Projecting the expected cash flows for modified loans which are not collateral-dependent is inherently subjective and requires, among other things, an evaluation of the borrower’s current and projected financial condition. Actual results may be significantly different than our projections and our established allowance for credit losses on these loans, which could have a material effect on our financial results. Individually impaired loans that have no impairment losses are not considered for collective allowances described earlier. At June 30, 2023 and December 31, 2022, the ACL for loans individually evaluated for impairment was $44,900 and $38,200, respectively.

Allowance for Credit Losses – Off-Balance Sheet Exposures

An ACL for off-balance-sheet exposures represents an estimate of expected credit losses arising from off-balance sheet exposures such as loan commitments, standby letters of credit and unused lines of credit (loans already on the books). Commitments to fund unused lines of credit are agreements to lend additional funds to customers as long as there have been no violations of any of the conditions established in the agreements (original or restructured). Commitments to originate loans generally have a fixed expiration or other termination clauses, which may require payment of a fee. Since some of these loan commitments are expected to expire without being drawn upon, total commitments do not necessarily represent future cash requirements. The reserve for off-balance sheet exposures is determined using the Current Expected Credit Losses (“CECL”) reserve factor in the related funded loan segment, adjusted for an average historical funding rate. The allowance for credit losses for off-balance sheet credit exposures is recorded in other liabilities on the consolidated balance sheets and the corresponding provision is included in other non-interest expense.

The table below summarizes the allowance for credit losses for off-balance sheet credit exposures as of, and for the three and six months ended June 30, 2023, and June 30, 2022 (in thousands):

	Three Months Ended June 30,				Six Months Ended June 30,
	2023		2022		2023		2022
Balance at beginning of period	$	902	$	2,131	$	791	$	1,852
Provision for credit losses	(661)		349		(550)		628
Balance at end of period	$	241	$	2,480	$	241	$	2,480

The following tables set forth activity in our allowance for credit losses on loans, by loan type, as of, and for the three and six months ended June 30, 2023, and June 30, 2022 (in thousands):

	Three Months Ended June 30, 2023
	Real Estate
	Commercial (1)		One-to-Four Family		Home Equity and Lines of Credit		Construction and Land		Commercial and Industrial		Other		Total Loans (excluding PCD)		PCD		Total
Allowance for credit losses:
Beginning balance	$	28,030	$	3,587	$	1,398	$	286	$	4,366	$	7	$	37,674	$	3,762	$	41,436
Charge-offs	—		—		—		—		(355)		—		(355)		—		(355)
Recoveries	29		—		1		—		13		—		43		—		43
Provisions (credit)	(3,326)		227		(121)		15		3,271		—		66		(36)		30
Ending balance	$	24,733	$	3,814	$	1,278	$	301	$	7,295	$	7	$	37,428	$	3,726	$	41,154

	Three Months Ended June 30, 2022
	Real Estate
	Commercial (1)		One-to-Four Family		Home Equity and Lines of Credit		Construction and Land		Commercial and Industrial		Other		Total Loans (excluding PCD)		PCD		Total
Allowance for credit losses:
Beginning balance	27,247		3,589		679		166		2,954		9		34,644		4,630		39,274
Charge-offs	—		—		—		—		—		—		—		(525)		(525)
Recoveries	19		—		—		—		114		—		133		—		133
Provisions (credit)	799		(584)		123		119		(363)		2		96		53		149
Ending balance	$	28,065	$	3,005	$	802	$	285	$	2,705	$	11	$	34,873	$	4,158	$	39,031

(1) Commercial includes commercial real estate loans collateralized by owner-occupied, non-owner occupied, and multifamily properties.

	Six Months Ended June 30, 2023
	Real Estate
	Commercial (1)		One-to-Four Family		Home Equity and Lines of Credit		Construction and Land		Commercial and Industrial		Other		Total Loans (excluding PCD)		PCD		Total
Allowance for credit losses:
Beginning balance	$	29,485	$	3,936	$	866	$	324	$	4,114	$	9	$	38,734	$	3,883	$	42,617
Charge-offs	—		—		—		—		(2,411)		—		(2,411)		(8)		(2,419)
Recoveries	34		—		1		—		27		—		62		—		62
Provisions (credit)	(4,786)		(122)		411		(23)		5,565		(2)		1,043		(149)		894
Ending balance	$	24,733	$	3,814	$	1,278	$	301	$	7,295	$	7	$	37,428	$	3,726	$	41,154

	Six Months Ended June 30, 2022
	Real Estate
	Commercial (1)		One-to-Four Family		Home Equity and Lines of Credit		Construction and Land		Commercial and Industrial		Other		Total Loans (excluding PCD)		PCD		Total
Allowance for credit losses:
Beginning balance	$	26,785	$	3,545	$	560	$	169	$	3,173	$	9	$	34,241	$	4,732	$	38,973
Charge-offs	—		—		—		—		(185)		—		(185)		(525)		(710)
Recoveries	97		—		—		—		119		—		216		—		216
Provisions (credit)	1,183		(540)		242		116		(402)		2		601		(49)		552
Ending balance	$	28,065	$	3,005	$	802	$	285	$	2,705	$	11	$	34,873	$	4,158	$	39,031

(1) Commercial includes commercial real estate loans collateralized by owner-occupied, non-owner occupied, and multifamily properties.

The allowance for credit losses on loans decreased to $41.2 million at June 30, 2023, compared to $42.6 million as of December 31, 2022, primarily due to minimal loan growth and a decrease in reserves related to non-economic qualitative loss factors in the multifamily and commercial real estate portfolios, partially offset by a worsening macroeconomic outlook and an increase in reserves for commercial and industrial loans, primarily due to a $13.8 million loan that is current and collateralized by receivables and business assets being downgraded to substandard.

The following tables detail the amount of loans receivable held-for-investment, net of deferred loan fees and costs, that are evaluated, individually and collectively, for impairment, and the related portion of the allowance for credit losses that is allocated to each loan portfolio segment, at June 30, 2023 and December 31, 2022 (in thousands):

	June 30, 2023
	Real Estate
	Commercial (1)		One-to-Four Family		Home Equity and Lines of Credit		Construction and Land		Commercial and Industrial		Other		Total Loans (excluding PCD)		PCD		Total
Allowance for credit losses:
Ending balance: individually evaluated for impairment	$	24	$	—	$	3	$	—	$	18	$	—	$	45	$	—	$	45
Ending balance: collectively evaluated for impairment	24,709		3,814		1,275		301		7,277		7		37,383		—		37,383
Ending balance: PCD loans evaluated for impairment (2)	—		—		—		—		—		—		—		3,726		3,726
Loans, net:
Ending balance	$	3,757,789	$	170,767	$	158,517	$	29,444	$	143,314	$	2,663	$	4,262,494	$	11,548	$	4,274,042
Ending balance: individually evaluated for impairment	7,916		636		25		—		89		—		8,666		—		8,666
Ending balance: collectively evaluated for impairment	3,749,873		170,131		158,492		29,444		142,859		2,663		4,253,462		—		4,253,462
Ending balance: PCD loans evaluated for impairment (2)	—		—		—		—		—		—		—		11,548		11,548
PPP loans not evaluated for impairment (3)	—		—		—		—		366		—		366		—		366

	December 31, 2022
	Real Estate
	Commercial (1)		One-to-Four Family		Home Equity and Lines of Credit		Construction and Land		Commercial and Industrial		Other		Total Loans (excluding PCD)		PCD		Total
Allowance for credit losses:
Ending balance: individually evaluated for impairment	$	18	$	—	$	2	$	—	$	18	$	—	$	38	$	—	$	38
Ending balance: collectively evaluated for impairment	29,467		3,936		864		324		4,096		9		38,696		—		38,696
Ending balance: PCD loans evaluated for impairment (2)	—		—		—		—		—		—		—		3,883		3,883
Loans, net:
Ending balance	$	3,723,828	$	173,946	$	152,555	$	24,932	$	154,700	$	2,230	$	4,232,191	$	11,502	$	4,243,693
Ending balance: individually evaluated for impairment	8,152		666		27		—		94		—		8,939		—		8,939
Ending balance: collectively evaluated for impairment	3,715,676		173,280		152,528		24,932		149,463		2,230		4,218,109		—		4,218,109
Ending balance: PCD loans evaluated for impairment (2)	—		—		—		—		—		—		—		11,502		11,502
PPP loans not evaluated for impairment (3)	—		—		—		—		5,143		—		5,143		—		5,143

(1) Commercial includes commercial real estate loans collateralized by owner-occupied, non-owner occupied, and multifamily properties.

(2) Upon adoption of CECL, the Company elected to maintain pools of PCD loans that were previously accounted for under ASC 310-30, and will continue to evaluate PCD loans under this guidance.

(3) PPP loans are guaranteed by the SBA and therefore excluded from the allowance for credit losses.

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Deposits

6 Months Ended

Jun. 30, 2023

Deposits [Abstract]

Deposits

Deposits

Deposit account balances are summarized as follows (in thousands):

	June 30, 2023		December 31, 2022
Non-interest-bearing checking	$	754,498	$	852,660
Negotiable orders of withdrawal ("NOW") and interest-bearing checking	1,116,000		1,132,290
Savings and money market	1,239,673		1,425,247
Certificates of deposit	654,232		740,022
Total deposits	$	3,764,403	$	4,150,219

Interest expense on deposit accounts is summarized for the periods indicated (in thousands):

	Three Months Ended June 30,				Six Months Ended June 30,
	2023		2022		2023		2022
NOW and interest-bearing checking, savings, and money market	$	6,486	$	599	$	10,329	$	1,170
Certificates of deposit	3,997		735		7,975		1,323
Total interest expense on deposit accounts	$	10,483	$	1,334	$	18,304	$	2,493

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Subordinated Debt	6 Months Ended
	Jun. 30, 2023
Debt Disclosure [Abstract]
Subordinated Debt	Subordinated DebtOn June 17, 2022, the Company issued $62.0 million in aggregate principal amount of fixed-to-floating subordinated notes (the “Notes”) to certain institutional investors. The Notes mature on June 30, 2032, unless redeemed earlier. The Notes initially bear interest, payable semi-annually in arrears, at a fixed rate of 5.00% per annum until June 30, 2027. Beginning June 30, 2027 and until maturity or redemption, the interest rate applicable to the outstanding principal amount of the Notes due will reset quarterly to an interest rate per annum equal to the then current three-month Secured Overnight Financing Rate plus 200 basis points, payable quarterly in arrears. The Company has the option to redeem the Notes, at par and in whole or in part, beginning on June 30, 2027 and to redeem the Notes at any time in whole upon certain other events. Any redemption of the Notes will be subject to prior regulatory approval to the extent required. Debt issuance costs totaled $1.1 million and are being amortized to maturity. The Company recognized amortization expense of $56,000 and $112,000 for the three and six months ended June 30, 2023, respectively. The Company intends to use the net proceeds from the issuance of the Notes for general corporate purposes, including to fund potential repurchases of shares of the Company’s outstanding common stock.

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Equity Incentive Plans

6 Months Ended

Jun. 30, 2023

Share-Based Payment Arrangement [Abstract]

Equity Incentive Plans

Equity Incentive Plans

The following table is a summary of the Company’s stock options outstanding as of June 30, 2023, and changes therein during the six months then ended.

	Number of Stock Options	Weighted Average Grant Date Fair Value		Weighted Average Exercise Price		Weighted Average Contractual Life (years)
Outstanding - December 31, 2022	1,582,826	$	4.03	$	14.04	2.01
Forfeited	(10,900)	3.98		13.80		—
Exercised	(7,600)	3.91		13.13		—
Outstanding - June 30, 2023	1,564,326	4.03		14.05		1.51
Exercisable - June 30, 2023	1,564,326	4.03		14.05		1.51

 On January 27, 2023, the Company granted to directors and employees, under the 2019 Equity Incentive Plan, 157,525 restricted stock awards with a total grant-date fair value of $2.3 million. Of these grants, 33,813 vest one year from the date of grant and 123,712 vest in equal installments over a three-year period beginning one year from the date of grant. The Company also issued 34,724 performance-based restricted stock units to its executive officers with a total grant date fair value of $499,000. Vesting of the performance-based restricted stock units will be based on achievement of certain levels of Core Return on Average Assets and will cliff-vest after a three-year measurement period ended January 27, 2026. At the end of the performance period, the number of actual shares to be awarded may vary between 0% and 120% of target amounts.

The following is a summary of the status of the Company’s restricted stock awards and performance-based restricted stock units at June 30, 2023, and changes therein during the six months then ended.

	Number of Shares Awarded	Weighted Average Grant Date Fair Value
Non-vested at December 31, 2022	321,501	$	14.66
Granted	192,249	14.37
Incremental performance-based restricted stock units earned	10,353	—
Vested	(124,586)	15.27
Forfeited	(35,157)	14.33
Non-vested at June 30, 2023	364,360	14.36

Expected future stock award expense related to the non-vested restricted share awards and performance-based restricted stock units as of June 30, 2023, was $4.3 million over a weighted average period of 2.1 years.

During the three months ended June 30, 2023 and June 30, 2022, the Company recorded $507,000 and $449,000, respectively, of stock-based compensation related to the above plan. During the six months ended June 30, 2023 and June 30, 2022, the Company recorded $1.2 million and $845,000, respectively, of stock-based compensation related to the above plan.

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Fair Value Measurements

6 Months Ended

Jun. 30, 2023

Fair Value Disclosures [Abstract]

Fair Value Measurements

Fair Value Measurements

The following tables present the assets reported on the consolidated balance sheets at their estimated fair value as of June 30, 2023, and December 31, 2022, by level within the fair value hierarchy as required by the Fair Value Measurements and Disclosures Topic of the FASB ASC. Financial assets and liabilities are classified in their entirety based on the level of input that is significant to the fair value measurement. The fair value hierarchy is as follows:

•Level 1 Inputs – Unadjusted quoted prices in active markets for identical assets or liabilities that the reporting entity has the ability to access at the measurement date.

•Level 2 Inputs – Inputs other than quoted prices included in Level 1 that are observable for the asset or liability, either directly or indirectly. These include quoted prices for similar assets or liabilities in active markets, quoted prices for identical or similar assets or liabilities in markets that are not active, inputs other than quoted prices that are observable for the asset or liability (for example, interest rates, volatilities, prepayment speeds, loss severities, credit risks and default rates) or inputs that are derived principally from or corroborated by observable market data by correlations or other means.

•Level 3 Inputs – Significant unobservable inputs that reflect the Company’s own assumptions that market participants would use in pricing the assets or liabilities.

The methods of determining the fair value of assets and liabilities presented in this note are consistent with our methodologies disclosed in Note 17 to the Consolidated Financial Statements of the Company’s 2022 Annual Report on Form 10-K.

	Fair Value Measurements at June 30, 2023 Using:
	Carrying Value		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
	(in thousands)
Measured on a recurring basis:
Assets:
Investment securities:
Debt securities available-for-sale:
U.S. Government agency	$	72,086	$	—	$	72,086	$	—
Mortgage-backed securities:
Pass-through certificates:
GSE	378,559		—		378,559		—
REMICs:
GSE	236,046		—		236,046		—
	614,605		—		614,605		—
Other debt securities:
Corporate bonds	115,566		—		115,566		—
	115,566		—		115,566		—
Total debt securities available-for-sale	802,257		—		802,257		—
Trading securities	11,731		11,731		—		—
Equity securities (1)	653		653		—		—
Total	$	814,641	$	12,384	$	802,257	$	—
Measured on a non-recurring basis:
Assets:
Loans individually evaluated for impairment:
Real estate loans:
Commercial real estate	$	2,460	$	—	$	—	$	2,460
Multifamily	1,923		—		—		1,923
Home equity and lines of credit	22		—		—		22
Total individually evaluated real estate loans	4,405		—		—		4,405
Commercial and industrial loans	61		—		—		61
Total	$	4,466	$	—	$	—	$	4,466

(1) Excludes investment measured at net asset value of $10.0 million at June 30, 2023, which has not been classified in the fair value hierarchy.

	Fair Value Measurements at December 31, 2022 Using:
	Carrying Value		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
	(in thousands)
Measured on a recurring basis:
Assets:
Investment securities:
Debt securities available-for-sale:
U.S. Government agency securities	$	72,076	$	—	$	72,076	$	—
Mortgage-backed securities:
Pass-through certificates:
GSE	432,618		—		432,618		—
REMICs:
GSE	264,724		—		264,724		—
	697,342		—		697,342		—
Other debt securities:
Municipal bonds	21		—		21		—
Corporate bonds	182,734		—		182,734		—
	182,755		—		182,755		—
Total debt securities available-for-sale	952,173		—		952,173		—
Trading securities	10,751		10,751		—		—
Equity securities (1)	361		361		—		—
Total	$	963,285	$	11,112	$	952,173	$	—
Measured on a non-recurring basis:
Assets:
Loans individually evaluated for impairment:
Real estate loans:
Commercial real estate	$	2,631	$	—	$	—	$	2,631
Multifamily	1,923		—		—		1,923
Home equity and lines of credit	24		—		—		24
Total impaired real estate loans	4,578		—		—		4,578
Commercial and industrial loans	62		—		—		62
Total	$	4,640	$	—	$	—	$	4,640

(1) Excludes investment measured at net asset value of $10.1 million at December 31, 2022, which has not been classified in the fair value hierarchy.

The following table presents qualitative information for Level 3 assets measured at fair value on a non-recurring basis at June 30, 2023 and December 31, 2022 (dollars in thousands):

	Fair Value				Valuation Methodology	Unobservable Inputs	Range of Inputs
	June 30, 2023		December 31, 2022				June 30, 2023	December 31, 2022
Individually evaluated loans	$	4,466	$	4,640	Appraisals	Discount for costs to sell	7.0%	7.0%
						Discount for quick sale	10.0%	10.0%
					Discounted cash flows	Interest rates	4.88% to 7.50%	4.88% to 7.50%

    

The valuation techniques described below were used to measure fair value of financial instruments in the tables below on a recurring basis and a non-recurring basis at June 30, 2023, and December 31, 2022.

Debt Securities Available for Sale: The estimated fair values for mortgage-backed securities, corporate, and other debt securities are obtained from an independent nationally recognized third-party pricing service. The estimated fair values are derived primarily from cash flow models, which include assumptions for interest rates, credit losses, and prepayment speeds. Broker/dealer quotes are utilized as well, when such quotes are available and deemed representative of the market. The significant inputs utilized in the cash flow models are based on market data obtained from sources independent of the Company (Observable Inputs), and are therefore classified as Level 2 within the fair value hierarchy. There were no transfers of securities between Level 1 and Level 2 during the six months ended June 30, 2023 or June 30, 2022.     

Trading Securities: Fair values are derived from quoted market prices in active markets. The assets consist of publicly traded mutual funds.

Equity Securities: Fair values of equity securities consisting of publicly traded mutual funds are derived from quoted market prices in active markets.

Loans Individually Evaluated for Impairment: At June 30, 2023 and December 31, 2022, the Company had loans individually evaluated for impairment (excluding PCD loans) with outstanding principal balances of $6.2 million and $6.7 million, respectively, which were recorded at their estimated fair value of $4.5 million and $4.6 million, respectively. The Company recorded net increases in the specific reserve for impaired loans of $7,000 and $6,000 for the six months ended June 30, 2023 and June 30, 2022, respectively. Net charge-offs of $2.4 million and $494,000 were recorded for the six months ended June 30, 2023 and June 30, 2022, respectively, utilizing Level 3 inputs. For purposes of estimating the fair value of impaired loans, management utilizes independent appraisals, if the loan is collateral-dependent, adjusted downward by management, as necessary, for changes in relevant valuation factors subsequent to the appraisal date, or the present value of expected future cash flows for non-collateral dependent loans and TDRs.

Other Real Estate Owned: At June 30, 2023 and December 31, 2022, the Company had no assets acquired through foreclosure.

In addition, the Company may be required, from time to time, to measure the fair value of certain other financial assets on a nonrecurring basis in accordance with U.S. GAAP. The adjustments to fair value usually result from the application of lower-of-cost-or-market accounting or write downs of individual assets.

Fair Value of Financial Instruments:

The FASB ASC Topic for Financial Instruments requires disclosure of the fair value of financial assets and financial liabilities, including those financial assets and financial liabilities that are not measured and reported at fair value on a recurring or non-recurring basis. The methodologies for estimating the fair value of financial assets and financial liabilities that are measured at fair value on a recurring or non-recurring basis are discussed above. The following methods and assumptions were used to estimate the fair value of other financial assets and financial liabilities not already discussed above:

(a)     Cash and Cash Equivalents

Cash and cash equivalents are short-term in nature with original maturities of three months or less; the carrying amount approximates fair value. Certificates of deposit having original terms of six-months or less; the carrying value generally approximates fair value. Certificates of deposit with an original maturity of six months or greater; the fair value is derived from discounted cash flows.

(b)    Debt Securities (Held-to-Maturity)

The estimated fair values for substantially all of our securities are obtained from an independent nationally recognized pricing service. The independent pricing service utilizes market prices of same or similar securities whenever such prices are available. Prices involving distressed sellers are not utilized in determining fair value. Where necessary, the independent third-party pricing service estimates fair value using models employing techniques such as discounted cash flow analysis. The assumptions used in these models typically include assumptions for interest rates, credit losses, and prepayments, utilizing market observable data where available.

(c)    Investments in Equity Securities at Net Asset Value Per Share

The Company uses net asset value as a practical expedient to record its investment in a private SBA Loan Fund since the shares in the fund are not publicly traded, do not have a readily determinable fair value and the net asset value per share is calculated in a manner consistent with the measurement principles of an investment company.

(d)    Federal Home Loan Bank of New York Stock

Federal Home Loan Bank of New York ("FHLBNY") stock is carried at cost, which approximates fair value, since this is the amount for which it could be redeemed and there is no active market for this stock.

(e)    Loans (Held-for-Investment)

Fair values are estimated for portfolios of loans with similar financial characteristics. Loans are segregated by type such as originated and purchased, and further segregated by residential mortgage, construction, land, multifamily, commercial and consumer. Each loan category is further segmented into amortizing and non-amortizing and fixed and adjustable rate interest terms and by performing and non-performing categories. The fair value of loans is estimated using a discounted cash flow analysis. The discount rates used to determine fair value use interest rate spreads that reflect factors such as liquidity, credit, and non-performance risk of the loans.

(f)    Loans (Held-for-Sale)

Held-for-sale loans are carried at the lower of aggregate cost or estimated fair value, less costs to sell, and therefore fair value is equal to carrying value.

(g)    Deposits

The fair value of deposits with no stated maturity, such as interest and non-interest bearing demand deposits, savings, NOW and money market accounts, is equal to the amount payable on demand. The fair value of certificates of deposit is based on the discounted value of contractual cash flows. The discount rate is estimated using the rates currently offered for deposits of similar remaining maturities.

(h)    Commitments to Extend Credit and Standby Letters of Credit

The fair value of commitments to extend credit and standby letters of credit is estimated using the fees currently charged to enter into similar agreements, taking into account the remaining terms of the agreements and the present creditworthiness of the counterparties. For fixed-rate loan commitments, fair value also considers the difference between current levels of interest rates and the committed rates. The fair value of off-balance sheet commitments is insignificant and therefore not included in the following table.

 (i)    Borrowings

The fair value of borrowed funds is estimated by discounting future cash flows based on rates currently available for debt with similar terms and remaining maturity.

(j)    Advance Payments by Borrowers for Taxes and Insurance

Advance payments by borrowers for taxes and insurance have no stated maturity; the fair value is equal to the amount currently payable.

(k)    Derivatives

The fair value of the Company's derivatives is determined using discounted cash flow analysis using observable market-based inputs, which are considered Level 2 inputs.

The estimated fair values of the Company’s significant financial instruments at June 30, 2023 and December 31, 2022, are presented in the following tables (in thousands):

	June 30, 2023
			Estimated Fair Value
	Carrying Value		Level 1		Level 2		Level 3		Total
Financial assets:
Cash and cash equivalents	$	89,127	$	89,127	$	—	$	—	$	89,127
Trading securities	11,731		11,731		—		—		11,731
Debt securities available-for-sale	802,257		—		802,257		—		802,257
Debt securities held-to-maturity	10,316		—		9,946		—		9,946
Equity securities (1)	653		653		—		—		653
FHLBNY stock, at cost	40,376		—		40,376		—		40,376
Net loans held-for-investment	4,232,888		—		—		4,044,104		4,044,104
Derivative assets	5,334		—		5,334		—		5,334
Financial liabilities:
Deposits	$	3,764,403	$	—	$	3,765,299	$	—	$	3,765,299
FHLB advances and other borrowings (including securities sold under agreements to repurchase)	923,535		—		897,657		—		897,657
Subordinated debentures, net of issuance costs	61,108		—		51,788		—		51,788
Advance payments by borrowers for taxes and insurance	29,117		—		29,117		—		29,117
Derivative liabilities	5,335		—		5,335		—		5,335

(1) Excludes investment measured at net asset value of $10.0 million at June 30, 2023, which has not been classified in the fair value hierarchy.

	December 31, 2022
			Estimated Fair Value
	Carrying Value		Level 1		Level 2		Level 3		Total
Financial assets:
Cash and cash equivalents	$	45,799	$	45,799	$	—	$	—	$	45,799
Trading securities	10,751		10,751		—		—		10,751
Debt securities available-for-sale	952,173		—		952,173		—		952,173
Debt securities held-to-maturity	10,760		—		10,389		—		10,389
Equity securities (1)	361		361		—		—		361
FHLBNY stock, at cost	30,382		—		30,382		—		30,382
Net loans held-for-investment	4,201,076		—		—		4,016,849		4,016,849
Derivative assets	5,321		—		5,321		—		5,321
Financial liabilities:
Deposits	$	4,150,219	$	—	$	4,148,938	$	—	$	4,148,938
FHLB advances and other borrowings (including securities sold under agreements to repurchase)	583,859		—		564,588		—		564,588
Subordinated debentures, net of issuance costs	60,996				54,393				54,393
Advance payments by borrowers for taxes and insurance	25,995		—		25,995		—		25,995
Derivative liabilities	5,321		—		5,321		—		5,321

(1) Excludes investment measured at net asset value of $10.1 million at December 31, 2022, which has not been classified in the fair value hierarchy.

Limitations

Fair value estimates are made at a specific point in time, based on relevant market information and information about the financial instrument. These estimates do not reflect any premium or discount that could result from offering for sale at one time the Company’s entire holdings of a particular financial instrument. Because no market exists for a significant portion of the Company’s financial instruments, fair value estimates are based on judgments regarding future expected losses, current economic conditions, risk characteristics of various financial instruments, and other factors. These estimates are subjective in nature and involve uncertainties and matters of significant judgment and, therefore, cannot be determined with precision. Changes in assumptions could significantly affect the estimates.

Fair value estimates are based on existing on-and off-balance sheet financial instruments without attempting to estimate the value of anticipated future business and the value of assets and liabilities that are not considered financial instruments. In addition, the tax ramifications related to the realization of the unrealized gains and losses can have a significant effect on fair value estimates and have not been considered in the estimates.

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Earnings Per Share

6 Months Ended

Jun. 30, 2023

Earnings Per Share [Abstract]

Earnings Per Share

Earnings Per Share

Basic earnings per share is computed by dividing net income available to common stockholders by the weighted average number of shares outstanding during the period. For purposes of calculating basic earnings per share, weighted average common shares outstanding excludes unallocated employee stock ownership plan (“ESOP”) shares that have not been committed for release and unvested restricted stock and performance-based restricted stock units.

Diluted earnings per share is computed using the same method as basic earnings per share, but reflects the potential dilution that could occur if stock options were exercised and converted into common stock and unvested shares of restricted stock and performance-based restricted stock units vested. These potentially dilutive shares are then included in the weighted average number of shares outstanding for the period using the treasury stock method. When applying the treasury stock method we added the assumed proceeds from option exercises and the average unamortized compensation costs related to unvested shares of restricted stock, performance-based restricted stock units and stock options. We then divided this sum by our average stock price for the period to calculate assumed shares repurchased. The excess of the number of shares issuable over the number of shares assumed to be repurchased is added to basic weighted average common shares to calculate diluted earnings per share.

The following is a summary of the Company’s earnings per share calculations and reconciliation of basic to diluted earnings per share for the periods indicated (in thousands, except per share data):

	Three Months Ended June 30,				Six Months Ended June 30,
	2023		2022		2023		2022
Net income available to common stockholders	$	9,559	$	15,874	$	21,266	$	30,001
Weighted average shares outstanding-basic	43,914,110		46,591,723		44,346,881		46,708,716
Effect of non-vested restricted stock and stock, performance-based restricted stock units and options outstanding	38,829		46,390		91,752		161,717
Weighted average shares outstanding-diluted	43,952,939		46,638,113		44,438,633		46,870,433
Earnings per share-basic	$	0.22	$	0.34	$	0.48	$	0.64
Earnings per share-diluted	$	0.22	$	0.34	$	0.48	$	0.64
Anti-dilutive shares	1,849,258		1,922,988		1,384,805		1,098,229

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Leases

6 Months Ended

Jun. 30, 2023

Leases [Abstract]

Leases

LeasesThe Company’s leases primarily relate to real estate property for branches and office space with terms extending from six months up to 32.0 years. At June 30, 2023, all of the Company's leases are classified as operating leases, which are required to be recognized on the consolidated balance sheets as a right-of-use asset and a corresponding lease liability.

The Company determines if an arrangement is a lease at inception. Operating leases are included in operating lease right-of-use assets and operating lease liabilities on the consolidated balance sheets. Right-of-use assets represent the right to use an underlying asset for the lease term and lease liabilities represent the obligation to make lease payments arising from the lease. Operating lease right-of-use assets and liabilities are recorded at the present value of lease payments over the lease term. As the Company's leases do not provide an implicit rate, the Company uses its incremental borrowing rate, at lease inception, over a similar term in determining the present value of lease payments. Certain leases include options to renew, with one or more renewal terms ranging from five to ten years. If the exercise of a renewal option is considered to be reasonably certain, the Company includes the extended term in the calculation of the right-of-use asset and lease liability.

At June 30, 2023, the Company’s operating lease right-of-use assets and operating lease liabilities included on the consolidated balance sheet were $32.0 million and $37.3 million, respectively. At December 31, 2022, the Company’s operating lease right-of-use assets and operating lease liabilities included on the consolidated balance sheet were $34.3 million and $39.8 million, respectively. Operating lease expense is recognized on a straight-line basis over the lease term, while variable lease payments are recognized as incurred. Variable lease payments include common area maintenance charges, real estate taxes, repairs and maintenance costs and utilities. Operating and variable lease expenses are recorded in occupancy expense on the consolidated statements of comprehensive income.

Supplemental lease information at or for the three and six months ended June 30, 2023, and June 30, 2022 is as follows (dollars in thousands):

	Three Months Ended June 30,				Six Months Ended June 30,
	2023		2022		2023			2022
Operating lease cost	$	1,504	$	1,521	$	3,011		$	2,990
Variable lease cost	936		863		1,842			1,828
Net lease cost	$	2,440	$	2,384	$	4,853		$	4,818
Cash paid for amounts included in measurement of operating lease liabilities	$	1,615	$	1,597	$	3,221		$	3,161
Right-of-use assets obtained in exchange for new operating lease liabilities	$	—	$	4,983	$	63		$	4,983
Weighted average remaining lease term					11.14 years			11.37 years
Weighted average discount rate					3.56		%	3.52		%

The following table summarizes lease payment obligations for each of the next five years and thereafter in addition to a reconcilement to the Company's current lease liability (in thousands):

Year	Amount
2023	$	3,263
2024	6,059
2025	5,718
2026	4,955
2027	3,995
Thereafter	22,705
Total lease payments	46,695
Less: imputed interest	(9,421)
Present value of lease liabilities	$	37,274

As of June 30, 2023, the Company had entered into an additional operating lease that has not yet commenced related to a new branch expected to open in the fall of 2023. The lease has an initial term of 10 years with undiscounted cash payments of approximately $850,000 in total.

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Derivatives

6 Months Ended

Jun. 30, 2023

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Derivatives

Derivatives

The Company has interest rate derivatives resulting from a service provided to certain qualified borrowers in a loan-related transaction and, therefore, are not used to manage interest rate risk in the Company’s assets or liabilities. The interest rate swap agreement which the Company executed with the commercial borrower is collateralized by the borrower’s commercial real estate financed by the Company. The collateral exceeds the maximum potential amount of future payments under the credit derivative. As these interest rate swaps do not meet the hedge accounting requirements, changes in the fair value of both the customer swaps and the offsetting swaps are recognized directly in earnings.

At June 30, 2023, the Company had eight interest rate swaps with a notional amount of $61.3 million. At December 31, 2022, the Company had seven interest rate swaps with a notional amount of $37.0 million. There was no fee income related to these swaps for the three months ended June 30, 2023. The Company recorded swap fee income of $231,000 for the six months ended June 30, 2023. There was no fee income related to these swaps for the three and six months ended June 30, 2022.

The table below presents the fair value of the derivatives as well as their location on the consolidated balance sheets (in thousands):

	Fair Value
Balance Sheet Location	June 30, 2023		December 31, 2022
Other assets	$	5,334	$	5,321
Other liabilities	5,335		5,321

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Pay vs Performance Disclosure - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Pay vs Performance Disclosure
Net income	$ 9,559	$ 15,874	$ 21,266	$ 30,001

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

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Consolidated Financial Statements (Policies)

6 Months Ended

Jun. 30, 2023

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Basis of Presentation

Basis of Presentation

The consolidated financial statements are comprised of the accounts of Northfield Bancorp, Inc. and its wholly owned subsidiaries, Northfield Investments, Inc. and Northfield Bank (the “Bank”), and the Bank’s wholly-owned subsidiaries, NSB Services Corp. and NSB Realty Trust (collectively the “Company”). All significant intercompany accounts and transactions have been eliminated in consolidation.

In the opinion of management, all adjustments (consisting solely of normal and recurring adjustments) necessary for the fair presentation of the consolidated balance sheets and the consolidated statements of comprehensive income for the unaudited periods presented have been included. The results of operations and other data presented for the three and six months ended June 30, 2023 are not necessarily indicative of the results of operations that may be expected for the year ending December 31, 2023 or for any other period. Whenever necessary, certain prior year amounts are reclassified to conform to the current year presentation.

In preparing the unaudited consolidated financial statements in conformity with U.S. generally accepted accounting principles (“U.S. GAAP”), management has made estimates and assumptions that affect the reported amounts of assets and liabilities as of the date of the consolidated balance sheets and for the periods indicated in the consolidated statements of comprehensive income. Material estimates that are particularly susceptible to change are: the allowance for credit losses and the valuation allowance against deferred tax assets. Estimates and assumptions are reviewed periodically and the effects of revisions are reflected in the consolidated financial statements in the period they are deemed necessary. While management uses its best judgment, actual amounts or results could differ significantly from those estimates.

Certain information and note disclosures usually included in financial statements prepared in accordance with U.S. GAAP have been condensed or omitted pursuant to the rules and regulations of the Securities and Exchange Commission (“SEC”) for the preparation of interim financial statements. The consolidated financial statements presented should be read in conjunction with the audited consolidated financial statements and notes to consolidated financial statements included in the Company's Annual Report on Form 10-K for the year ended December 31, 2022, as filed with the SEC.

Recent Accounting Pronouncements Adopted

Recent Accounting Pronouncements Adopted

Effective January 1, 2023, the Company adopted Accounting Standards Update (“ASU”) No. 2022-02, “Financial Instruments - Credit Losses (Topic 326): Troubled Debt Restructurings and Vintage Disclosures” (“ASU 2022-02”). The amendments in this ASU were issued to (1) eliminate accounting guidance for Troubled Debt Restructurings (“TDRs”) by creditors, while enhancing disclosure requirements for certain loan refinancings and restructurings by creditors when a borrower is experiencing financial difficulty; (2) require disclosures of current period gross write-offs by year of origination for financing receivables and net investments in leases. Under ASU 2022-02, the Company assesses all loan modifications to determine whether one is granted to a borrower experiencing financial difficulty, regardless of whether the modified loan terms include a concession. Modifications granted to borrowers experiencing financial difficulty may be in the form of an interest rate reduction, an other-than-insignificant payment delay, a term extension, principal forgiveness or a combination thereof.

Prior to the adoption of ASU 2022-02, a TDR occurred when the terms of a loan were modified because of deterioration in the financial condition of the borrower. Modifications could include extension of the repayment terms of the loan, reduced interest rates, or forgiveness of accrued interest and/or principal.  For the Company's accounting policy related to TDRs granted prior to the adoption of ASU 2022-02, see “Note 1. Significant Accounting Policies included in Item 8. Financial Statements and Supplementary Data” in the Company’s Annual Report on Form 10-K for the year ended December 31, 2022.

The Company adopted ASU 2022-02 on a prospective basis. The adoption of this update did not have a material effect on the Company’s consolidated financial statements. Additional disclosures are included in Note 5 to the consolidated financial statements.

Fair Value Measurements

The following tables present the assets reported on the consolidated balance sheets at their estimated fair value as of June 30, 2023, and December 31, 2022, by level within the fair value hierarchy as required by the Fair Value Measurements and Disclosures Topic of the FASB ASC. Financial assets and liabilities are classified in their entirety based on the level of input that is significant to the fair value measurement. The fair value hierarchy is as follows:

•Level 1 Inputs – Unadjusted quoted prices in active markets for identical assets or liabilities that the reporting entity has the ability to access at the measurement date.

•Level 2 Inputs – Inputs other than quoted prices included in Level 1 that are observable for the asset or liability, either directly or indirectly. These include quoted prices for similar assets or liabilities in active markets, quoted prices for identical or similar assets or liabilities in markets that are not active, inputs other than quoted prices that are observable for the asset or liability (for example, interest rates, volatilities, prepayment speeds, loss severities, credit risks and default rates) or inputs that are derived principally from or corroborated by observable market data by correlations or other means.

•Level 3 Inputs – Significant unobservable inputs that reflect the Company’s own assumptions that market participants would use in pricing the assets or liabilities.

Fair Value of Financial Instruments

The FASB ASC Topic for Financial Instruments requires disclosure of the fair value of financial assets and financial liabilities, including those financial assets and financial liabilities that are not measured and reported at fair value on a recurring or non-recurring basis. The methodologies for estimating the fair value of financial assets and financial liabilities that are measured at fair value on a recurring or non-recurring basis are discussed above. The following methods and assumptions were used to estimate the fair value of other financial assets and financial liabilities not already discussed above:

(a)     Cash and Cash Equivalents

Cash and cash equivalents are short-term in nature with original maturities of three months or less; the carrying amount approximates fair value. Certificates of deposit having original terms of six-months or less; the carrying value generally approximates fair value. Certificates of deposit with an original maturity of six months or greater; the fair value is derived from discounted cash flows.

(b)    Debt Securities (Held-to-Maturity)

The estimated fair values for substantially all of our securities are obtained from an independent nationally recognized pricing service. The independent pricing service utilizes market prices of same or similar securities whenever such prices are available. Prices involving distressed sellers are not utilized in determining fair value. Where necessary, the independent third-party pricing service estimates fair value using models employing techniques such as discounted cash flow analysis. The assumptions used in these models typically include assumptions for interest rates, credit losses, and prepayments, utilizing market observable data where available.

(c)    Investments in Equity Securities at Net Asset Value Per Share

The Company uses net asset value as a practical expedient to record its investment in a private SBA Loan Fund since the shares in the fund are not publicly traded, do not have a readily determinable fair value and the net asset value per share is calculated in a manner consistent with the measurement principles of an investment company.

(d)    Federal Home Loan Bank of New York Stock

Federal Home Loan Bank of New York ("FHLBNY") stock is carried at cost, which approximates fair value, since this is the amount for which it could be redeemed and there is no active market for this stock.

(e)    Loans (Held-for-Investment)

Fair values are estimated for portfolios of loans with similar financial characteristics. Loans are segregated by type such as originated and purchased, and further segregated by residential mortgage, construction, land, multifamily, commercial and consumer. Each loan category is further segmented into amortizing and non-amortizing and fixed and adjustable rate interest terms and by performing and non-performing categories. The fair value of loans is estimated using a discounted cash flow analysis. The discount rates used to determine fair value use interest rate spreads that reflect factors such as liquidity, credit, and non-performance risk of the loans.

(f)    Loans (Held-for-Sale)

Held-for-sale loans are carried at the lower of aggregate cost or estimated fair value, less costs to sell, and therefore fair value is equal to carrying value.

(g)    Deposits

The fair value of deposits with no stated maturity, such as interest and non-interest bearing demand deposits, savings, NOW and money market accounts, is equal to the amount payable on demand. The fair value of certificates of deposit is based on the discounted value of contractual cash flows. The discount rate is estimated using the rates currently offered for deposits of similar remaining maturities.

(h)    Commitments to Extend Credit and Standby Letters of Credit

The fair value of commitments to extend credit and standby letters of credit is estimated using the fees currently charged to enter into similar agreements, taking into account the remaining terms of the agreements and the present creditworthiness of the counterparties. For fixed-rate loan commitments, fair value also considers the difference between current levels of interest rates and the committed rates. The fair value of off-balance sheet commitments is insignificant and therefore not included in the following table.

 (i)    Borrowings

The fair value of borrowed funds is estimated by discounting future cash flows based on rates currently available for debt with similar terms and remaining maturity.

(j)    Advance Payments by Borrowers for Taxes and Insurance

Advance payments by borrowers for taxes and insurance have no stated maturity; the fair value is equal to the amount currently payable.

(k)    Derivatives

The fair value of the Company's derivatives is determined using discounted cash flow analysis using observable market-based inputs, which are considered Level 2 inputs.

Earnings Per Share

Basic earnings per share is computed by dividing net income available to common stockholders by the weighted average number of shares outstanding during the period. For purposes of calculating basic earnings per share, weighted average common shares outstanding excludes unallocated employee stock ownership plan (“ESOP”) shares that have not been committed for release and unvested restricted stock and performance-based restricted stock units.Diluted earnings per share is computed using the same method as basic earnings per share, but reflects the potential dilution that could occur if stock options were exercised and converted into common stock and unvested shares of restricted stock and performance-based restricted stock units vested. These potentially dilutive shares are then included in the weighted average number of shares outstanding for the period using the treasury stock method. When applying the treasury stock method we added the assumed proceeds from option exercises and the average unamortized compensation costs related to unvested shares of restricted stock, performance-based restricted stock units and stock options. We then divided this sum by our average stock price for the period to calculate assumed shares repurchased. The excess of the number of shares issuable over the number of shares assumed to be repurchased is added to basic weighted average common shares to calculate diluted earnings per share.

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Debt Securities Available-for-Sale (Tables)

6 Months Ended

Jun. 30, 2023

Investments, Debt and Equity Securities [Abstract]

Comparative Summary of Mortgage-Backed Securities and Other Securities Available-for-Sale

The following is a comparative summary of mortgage-backed securities and other debt securities available-for-sale at June 30, 2023, and December 31, 2022 (in thousands):

	June 30, 2023
			Gross		Gross		Estimated
	Amortized		unrealized		unrealized		fair
	cost		gains		losses		value
U.S. Government agency securities	$	75,958	$	—	$	(3,872)	$	72,086
Mortgage-backed securities:
Pass-through certificates:
Government sponsored enterprises ("GSEs")	417,226		—		(38,667)		378,559
Real estate mortgage investment conduits ("REMICs"):
GSE	251,166		—		(15,120)		236,046
	668,392		—		(53,787)		614,605
Other debt securities:
Corporate bonds	120,817		—		(5,251)		115,566
	120,817		—		(5,251)		115,566
Total debt securities available-for-sale	$	865,167	$	—	$	(62,910)	$	802,257

	December 31, 2022
			Gross		Gross		Estimated
	Amortized		unrealized		unrealized		fair
	cost		gains		losses		value
U.S. Government agency securities	$	76,150	$	—	$	(4,074)	$	72,076
Mortgage-backed securities:
Pass-through certificates:
GSE	472,963		1		(40,346)		432,618
REMICs:
GSE	280,870		—		(16,146)		264,724
	753,833		1		(56,492)		697,342
Other debt securities:
Municipal bonds	21		—		—		21
Corporate bonds	189,603		2		(6,871)		182,734
	189,624		2		(6,871)		182,755
Total debt securities available-for-sale	$	1,019,607	$	3	$	(67,437)	$	952,173

Summary of Expected Maturity Distribution of Debt Securities Available-for-Sale, Other Than Mortgage-Backed Securities

The following is a summary of the expected maturity distribution of debt securities available-for-sale, other than mortgage-backed securities, at June 30, 2023 (in thousands):

Available-for-sale	Amortized cost		Estimated fair value
Due in one year or less	$	156,756	$	151,319
Due after one year through five years	40,019		36,333
	$	196,775	$	187,652

Gross Unrealized Losses on Mortgage-Backed Securities

Gross unrealized losses on mortgage-backed securities and other debt securities available-for-sale, and the estimated fair value of the related securities, aggregated by security category and length of time that individual securities have been in a continuous unrealized loss position, at June 30, 2023 and December 31, 2022, were as follows (in thousands):

	June 30, 2023
	Less than 12 months				12 months or more				Total
	Unrealized		Estimated		Unrealized		Estimated		Unrealized		Estimated
	losses		fair value		losses		fair value		losses		fair value
U.S. Government agency securities	$	—	$	—	$	(3,872)	$	72,086	$	(3,872)	$	72,086
Mortgage-backed securities:
Pass-through certificates:
GSE	(269)		8,034		(38,398)		370,503		(38,667)		378,537
REMICs:
GSE	—		—		(15,120)		236,046		(15,120)		236,046
Other debt securities:
Corporate bonds	(735)		3,265		(4,516)		112,301		(5,251)		115,566
Total	$	(1,004)	$	11,299	$	(61,906)	$	790,936	$	(62,910)	$	802,235

	December 31, 2022
	Less than 12 months				12 months or more				Total
	Unrealized		Estimated		Unrealized		Estimated		Unrealized		Estimated
	losses		fair value		losses		fair value		losses		fair value
U.S. Government agency securities	$	(3,942)	$	71,058	$	(132)	$	1,018	$	(4,074)	$	72,076
Mortgage-backed securities:
Pass-through certificates:
GSE	(8,112)		142,605		(32,234)		289,890		(40,346)		432,495
REMICs:
GSE	(8,303)		180,612		(7,843)		84,112		(16,146)		264,724
Other debt securities:
Corporate bonds	(842)		35,778		(6,029)		129,174		(6,871)		164,952
Total	$	(21,199)	$	430,053	$	(46,238)	$	504,194	$	(67,437)	$	934,247

Gross unrealized losses on mortgage-backed securities held-to-maturity, and the estimated fair value of the related securities, aggregated by security category and length of time that individual securities have been in a continuous unrealized loss position at June 30, 2023 and December 31, 2022 were as follows (in thousands):

	June 30, 2023
	Less than 12 months				12 months or more				Total
	Unrealized		Estimated		Unrealized		Estimated		Unrealized		Estimated
	losses		fair value		losses		fair value		losses		fair value
Mortgage-backed securities:
Pass-through certificates:
GSE	$	(86)	$	3,253	$	(367)	$	3,768	$	(453)	$	7,021
Total	$	(86)	$	3,253	$	(367)	$	3,768	$	(453)	$	7,021

	December 31, 2022
	Less than 12 months				12 months or more				Total
	Unrealized		Estimated		Unrealized		Estimated		Unrealized		Estimated
	losses		fair value		losses		fair value		losses		fair value
Mortgage-backed securities:
Pass-through certificates:
GSE	$	(461)	$	7,433	$	—	$	—	$	(461)	$	7,433
Total	$	(461)	$	7,433	$	—	$	—	$	(461)	$	7,433

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Debt Securities Held-to-Maturity (Tables)

6 Months Ended

Jun. 30, 2023

Investments, Debt and Equity Securities [Abstract]

Securities Held-to-Maturity

The following is a summary of mortgage-backed securities held-to-maturity at June 30, 2023 and December 31, 2022 (in thousands): 

	June 30, 2023
	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Estimated Fair Value
Mortgage-backed securities:
Pass-through certificates:
GSE	$	10,316	$	83	$	(453)	$	9,946
Total securities held-to-maturity	$	10,316	$	83	$	(453)	$	9,946

	December 31, 2022
	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Estimated Fair Value
Mortgage-backed securities:
Pass-through certificates:
GSE	$	10,760	$	90	$	(461)	$	10,389
Total securities held-to-maturity	$	10,760	$	90	$	(461)	$	10,389

Gross Unrealized Losses on Mortgage-Backed Securities

Gross unrealized losses on mortgage-backed securities and other debt securities available-for-sale, and the estimated fair value of the related securities, aggregated by security category and length of time that individual securities have been in a continuous unrealized loss position, at June 30, 2023 and December 31, 2022, were as follows (in thousands):

	June 30, 2023
	Less than 12 months				12 months or more				Total
	Unrealized		Estimated		Unrealized		Estimated		Unrealized		Estimated
	losses		fair value		losses		fair value		losses		fair value
U.S. Government agency securities	$	—	$	—	$	(3,872)	$	72,086	$	(3,872)	$	72,086
Mortgage-backed securities:
Pass-through certificates:
GSE	(269)		8,034		(38,398)		370,503		(38,667)		378,537
REMICs:
GSE	—		—		(15,120)		236,046		(15,120)		236,046
Other debt securities:
Corporate bonds	(735)		3,265		(4,516)		112,301		(5,251)		115,566
Total	$	(1,004)	$	11,299	$	(61,906)	$	790,936	$	(62,910)	$	802,235

	December 31, 2022
	Less than 12 months				12 months or more				Total
	Unrealized		Estimated		Unrealized		Estimated		Unrealized		Estimated
	losses		fair value		losses		fair value		losses		fair value
U.S. Government agency securities	$	(3,942)	$	71,058	$	(132)	$	1,018	$	(4,074)	$	72,076
Mortgage-backed securities:
Pass-through certificates:
GSE	(8,112)		142,605		(32,234)		289,890		(40,346)		432,495
REMICs:
GSE	(8,303)		180,612		(7,843)		84,112		(16,146)		264,724
Other debt securities:
Corporate bonds	(842)		35,778		(6,029)		129,174		(6,871)		164,952
Total	$	(21,199)	$	430,053	$	(46,238)	$	504,194	$	(67,437)	$	934,247

Gross unrealized losses on mortgage-backed securities held-to-maturity, and the estimated fair value of the related securities, aggregated by security category and length of time that individual securities have been in a continuous unrealized loss position at June 30, 2023 and December 31, 2022 were as follows (in thousands):

	June 30, 2023
	Less than 12 months				12 months or more				Total
	Unrealized		Estimated		Unrealized		Estimated		Unrealized		Estimated
	losses		fair value		losses		fair value		losses		fair value
Mortgage-backed securities:
Pass-through certificates:
GSE	$	(86)	$	3,253	$	(367)	$	3,768	$	(453)	$	7,021
Total	$	(86)	$	3,253	$	(367)	$	3,768	$	(453)	$	7,021

	December 31, 2022
	Less than 12 months				12 months or more				Total
	Unrealized		Estimated		Unrealized		Estimated		Unrealized		Estimated
	losses		fair value		losses		fair value		losses		fair value
Mortgage-backed securities:
Pass-through certificates:
GSE	$	(461)	$	7,433	$	—	$	—	$	(461)	$	7,433
Total	$	(461)	$	7,433	$	—	$	—	$	(461)	$	7,433

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Loans (Tables)

6 Months Ended

Jun. 30, 2023

Receivables [Abstract]

Net Loans Held-for-Investment

The following table summarizes the Company’s loans held-for-investment (in thousands):

	June 30,		December 31,
	2023		2022
Real estate loans:
Multifamily	$	2,814,809	$	2,824,579
Commercial mortgage	942,980		899,249
One-to-four family residential mortgage	170,767		173,946
Home equity and lines of credit	158,517		152,555
Construction and land	29,444		24,932
Total real estate loans	4,116,517		4,075,261
Commercial and industrial loans (1)	143,314		154,700
Other loans	2,663		2,230
Total commercial and industrial and other loans	145,977		156,930
Loans held-for-investment (excluding purchased credit-deteriorated (“PCD”) loans)	4,262,494		4,232,191
PCD loans	11,548		11,502
Total loans held-for-investment	4,274,042		4,243,693
Allowance for credit losses	(41,154)		(42,617)
Net loans held-for-investment	$	4,232,888	$	4,201,076

(1) Included in commercial and industrial loans at June 30, 2023 and December 31, 2022 are Payment Protection Program ("PPP") loans totaling $366,000 and $5.1 million, respectively.

Schedule of Loans Held-for-Investment and Current Period Gross Charge-Offs, Excluding PCD Loans, Net of Deferred Fees and Costs

The following table presents the Company’s loans held-for-investment and current period gross charge-offs, excluding PCD loans, by loan class, credit risk ratings and year of origination, at June 30, 2023 (in thousands):

	June 30, 2023
	2023		2022		2021		2020		2019		Prior		Revolving Loans		Total
Real Estate:
Multifamily
Pass	$	75,847	$	626,142	$	659,433	$	474,042	$	252,353	$	716,825	$	562	$	2,805,204
Special mention	—		—		—		—		—		334		—		334
Substandard	—		—		—		—		—		9,271		—		9,271
Total multifamily	75,847		626,142		659,433		474,042		252,353		726,430		562		2,814,809
Commercial
Pass	82,595		211,238		156,830		67,219		89,326		318,992		1,849		928,049
Special mention	—		—		—		—		—		733		—		733
Substandard	—		2,864		—		—		—		11,034		300		14,198
Total commercial	82,595		214,102		156,830		67,219		89,326		330,759		2,149		942,980
One-to-four family residential
Pass	6,252		28,705		12,190		8,508		9,595		102,168		953		168,371
Special mention	—		—		—		—		—		1,670		—		1,670
Substandard	—		—		—		—		—		726		—		726
Total one-to-four family residential	6,252		28,705		12,190		8,508		9,595		104,564		953		170,767
Home equity and lines of credit
Pass	11,552		34,476		16,134		7,955		5,657		14,831		67,576		158,181
Special mention	—		—		—		—		—		69		—		69
Substandard	—		—		24		—		91		152		—		267
Total home equity and lines of credit	11,552		34,476		16,158		7,955		5,748		15,052		67,576		158,517
Construction and land
Pass	459		7,217		1,425		8,994		1,234		7,464		2,651		29,444
Total construction and land	459		7,217		1,425		8,994		1,234		7,464		2,651		29,444
Total real estate loans	176,705		910,642		846,036		566,718		358,256		1,184,269		73,891		4,116,517
Commercial and industrial
Pass	4,195		25,703		17,345		2,841		3,230		8,502		65,291		127,107
Special mention	—		—		—		44		—		107		250		401
Substandard	—		1,029		427		116		87		274		13,873		15,806
Total commercial and industrial	4,195		26,732		17,772		3,001		3,317		8,883		79,414		143,314
Current period gross charge-offs	—		1,591		707		—		—		113		—		2,411
Other
Pass	2,497		—		—		97		—		17		42		2,653
Substandard	—		—		—		—		—		—		10		10
Total other	2,497		—		—		97		—		17		52		2,663
Total loans held-for-investment	$	183,397	$	937,374	$	863,808	$	569,816	$	361,573	$	1,193,169	$	153,357	$	4,262,494
Total current-period gross charge-offs	$	—	$	1,591	$	707	$	—	$	—	$	113	$	—	$	2,411

The following table presents the Company’s loans held-for-investment, excluding PCD loans, by loan class, credit risk ratings and year of origination, at December 31, 2022 (in thousands):

	December 31, 2022
	2022		2021		2020		2019		2018		Prior		Revolving Loans		Total
Real Estate:
Multifamily
Pass	$	632,613	$	676,370	$	500,069	$	255,374	$	204,810	$	545,335	$	521	$	2,815,092
Substandard	—		—		—		—		3,525		5,962		—		9,487
Total multifamily	632,613		676,370		500,069		255,374		208,335		551,297		521		2,824,579
Commercial
Pass	213,621		147,419		68,215		90,644		72,512		275,606		1,664		869,681
Special mention	—		—		—		—		—		4,852		—		4,852
Substandard	2,889		10,574		—		—		—		11,253		—		24,716
Total commercial	216,510		157,993		68,215		90,644		72,512		291,711		1,664		899,249
One-to-four family residential
Pass	26,432		12,340		8,623		10,057		7,227		105,787		1,006		171,472
Special mention	—		—		—		—		—		1,716		—		1,716
Substandard	—		—		—		—		—		758		—		758
Total one-to-four family residential	26,432		12,340		8,623		10,057		7,227		108,261		1,006		173,946
Home equity and lines of credit
Pass	36,513		16,053		8,198		5,948		4,484		11,315		69,539		152,050
Special mention	—		—		—		—		—		70		—		70
Substandard	—		—		—		92		48		295		—		435
Total home equity and lines of credit	36,513		16,053		8,198		6,040		4,532		11,680		69,539		152,555
Construction and land
Pass	8,121		1,145		6,335		1,276		1,427		3,905		653		22,862
Substandard	—		—		—		—		2,070		—		—		2,070
Total construction and land	8,121		1,145		6,335		1,276		3,497		3,905		653		24,932
Total real estate loans	920,189		863,901		591,440		363,391		296,103		966,854		73,383		4,075,261
Commercial and industrial
Pass	16,941		14,805		7,754		3,754		1,460		8,172		98,969		151,855
Special mention	—		—		48		—		—		124		214		386
Substandard	291		482		96		50		200		217		1,123		2,459
Total commercial and industrial	17,232		15,287		7,898		3,804		1,660		8,513		100,306		154,700
Other
Pass	2,010		—		114		5		6		21		74		2,230
Total other	2,010		—		114		5		6		21		74		2,230
Total loans held-for-investment	$	939,431	$	879,188	$	599,452	$	367,200	$	297,769	$	975,388	$	173,763	$	4,232,191

Estimated Expected Future Cash Flows of Each PCI Loan Pool

The following tables set forth the detail, and delinquency status, of non-performing loans (non-accrual loans and loans past due 90 days or more and still accruing), net of deferred fees and costs, at June 30, 2023, and December 31, 2022, excluding PCD loans (in thousands):

	June 30, 2023
	Total Non-Performing Loans
	Non-Accruing Loans
	Current		30-89 Days Past Due		90 Days or More Past Due		Total		90 Days or More Past Due and Accruing		Total Non-Performing Loans
Loans held-for-investment:
Real estate loans:
Multifamily
Substandard	$	2,257	$	—	$	966	$	3,223	$	218	$	3,441
Total multifamily	2,257		—		966		3,223		218		3,441
Commercial
Substandard	2,886		171		2,336		5,393		—		5,393
Total commercial	2,886		171		2,336		5,393		—		5,393
One-to-four family residential
Substandard	82		—		27		109		6		115
Total one-to-four family residential	82		—		27		109		6		115
Home equity and lines of credit
Substandard	—		—		100		100		—		100
Total home equity and lines of credit	—		—		100		100		—		100
Total real estate	5,225		171		3,429		8,825		224		9,049
Commercial and industrial loans
Substandard	90		—		1,185		1,275		—		1,275
Total commercial and industrial loans	90		—		1,185		1,275		—		1,275
Other loans
Substandard	—		—		10		10		—		10
Total other	—		—		10		10		—		10
Total non-performing loans	$	5,315	$	171	$	4,624	$	10,110	$	224	$	10,334

	December 31, 2022
	Total Non-Performing Loans
	Non-Accruing Loans
	Current		30-89 Days Past Due		90 Days or More Past Due		Total		90 Days or More Past Due and Accruing		Total Non-Performing Loans
Loans held-for-investment:
Real estate loans:
Multifamily
Substandard	$	1,923	$	—	$	1,362	$	3,285	$	233	$	3,518
Total multifamily	1,923		—		1,362		3,285		233		3,518
Commercial
Substandard	2,806		431		1,947		5,184		8		5,192
Total commercial	2,806		431		1,947		5,184		8		5,192
One-to-four family residential
Substandard	—		—		118		118		155		273
Total one-to-four family residential	—		—		118		118		155		273
Home equity and lines of credit
Substandard	186		—		76		262		—		262
Total home equity and lines of credit	186		—		76		262		—		262
Total real estate	4,915		431		3,503		8,849		396		9,245
Commercial and industrial loans
Substandard	—		26		938		964		24		988
Total commercial and industrial loans	—		26		938		964		24		988
Other loans
Pass	—		—		—		—		5		5
Total other	—		—		—		—		5		5
Total non-performing loans	$	4,915	$	457	$	4,441	$	9,813	$	425	$	10,238

Detail and Delinquency Status of Originated Loans Held-for-Investment, Net of Deferred Fees and Costs, by Performing and Non-Performing Loans

The following tables set forth the detail and delinquency status of loans held-for-investment, excluding PCD loans, net of deferred fees and costs, at June 30, 2023, and December 31, 2022 (in thousands):

	June 30, 2023
			Past Due Loans
	30-89 Days Past Due		90 Days or More Past Due		90 Days or More Past Due and Accruing		Total Past Due		Current		Total Loans Receivable, net
Loans held-for-investment:
Real estate loans:
Multifamily
Pass	$	—	$	—	$	—	$	—	$	2,805,204	$	2,805,204
Special mention	—		—		—		—		334		334
Substandard	—		966		218		1,184		8,087		9,271
Total multifamily	—		966		218		1,184		2,813,625		2,814,809
Commercial
Pass	185		—		—		185		927,864		928,049
Special mention	—		—		—		—		733		733
Substandard	789		2,336		—		3,125		11,073		14,198
Total commercial	974		2,336		—		3,310		939,670		942,980
One-to-four family residential
Pass	365		—		—		365		168,006		168,371
Special mention	67		—		—		67		1,603		1,670
Substandard	135		27		6		168		558		726
Total one-to-four family residential	567		27		6		600		170,167		170,767
Home equity and lines of credit
Pass	165		—		—		165		158,016		158,181
Special mention	—		—		—		—		69		69
Substandard	91		100		—		191		76		267
Total home equity and lines of credit	256		100		—		356		158,161		158,517
Construction and land
Pass	—		—		—		—		29,444		29,444
Total construction and land	—		—		—		—		29,444		29,444
Total real estate	1,797		3,429		224		5,450		4,111,067		4,116,517
Commercial and industrial
Pass	2,036		—		—		2,036		125,071		127,107
Special mention	44		—		—		44		357		401
Substandard	372		1,185		—		1,557		14,249		15,806
Total commercial and industrial	2,452		1,185		—		3,637		139,677		143,314
Other loans
Pass	—		—		—		—		2,653		2,653
Substandard	—		10		—		10		—		10
Total other loans	—		10		—		10		2,653		2,663
Total loans held-for-investment	$	4,249	$	4,624	$	224	$	9,097	$	4,253,397	$	4,262,494

	December 31, 2022
	Past Due Loans
	30-89 Days Past Due		90 Days or More Past Due		90 Days or More Past Due and Accruing		Total Past Due		Current		Total Loans Receivable, net
Loans held-for-investment:
Real estate loans:
Multifamily
Pass	$	189	$	—	$	—	$	189	$	2,814,903	$	2,815,092
Substandard	—		1,362		233		1,595		7,892		9,487
Total multifamily	189		1,362		233		1,784		2,822,795		2,824,579
Commercial
Pass	726		—		—		726		868,955		869,681
Special mention	—		—		—		—		4,852		4,852
Substandard	605		1,947		8		2,560		22,156		24,716
Total commercial	1,331		1,947		8		3,286		895,963		899,249
One-to-four family residential
Pass	603		—		—		603		170,869		171,472
Special mention	69		—		—		69		1,647		1,716
Substandard	—		118		155		273		485		758
Total one-to-four family residential	672		118		155		945		173,001		173,946
Home equity and lines of credit
Pass	657		—		—		657		151,393		152,050
Special mention	—		—		—		—		70		70
Substandard	173		76		—		249		186		435
Total home equity and lines of credit	830		76		—		906		151,649		152,555
Construction and land
Pass	—		—		—		—		22,862		22,862
Substandard	—		—		—		—		2,070		2,070
Total construction and land	—		—		—		—		24,932		24,932
Total real estate	3,022		3,503		396		6,921		4,068,340		4,075,261
Commercial and industrial
Pass	573		—		—		573		151,282		151,855
Special mention	—		—		—		—		386		386
Substandard	498		938		24		1,460		999		2,459
Total commercial and industrial	1,071		938		24		2,033		152,667		154,700
Other loans
Pass	5		—		5		10		2,220		2,230
Total other loans	5		—		5		10		2,220		2,230
Total loans held-for-investment	$	4,098	$	4,441	$	425	$	8,964	$	4,223,227	$	4,232,191

Schedule of Non-accrual Loans, Excluding PCD Loans

The following tables summarize information on non-accrual loans, excluding PCD loans, as of June 30, 2023 and December 31, 2022 (in thousands):

	June 30, 2023
	Recorded Investment		Unpaid Principal Balance		With No Related Allowance
Real estate loans:
Multifamily	$	3,223	$	3,510	$	2,042
Commercial	5,393		5,848		3,031
One-to-four family residential	109		109		—
Home equity and lines of credit	100		349		—
Commercial and industrial	1,275		2,511		69
Other	10		9		—
Total non-accrual loans	$	10,110	$	12,336	$	5,142

	December 31, 2022
	Recorded Investment		Unpaid Principal Balance		With No Related Allowance
Real estate loans:
Multifamily	$	3,285	$	3,294	$	2,050
Commercial	5,184		5,639		3,069
One-to-four family residential	118		118		—
Home equity and lines of credit	262		512		—
Commercial and industrial	964		1,288		67
Total non-accrual loans	$	9,813	$	10,851	$	5,186

Summary of Impaired Loans

The following table summarizes interest income on non-accrual loans, excluding PCD loans, during the three and six months ended June 30, 2023 and June 30, 2022 (in thousands):

	Three Months Ended June 30,				Six Months Ended June 30,
	2023		2022		2023		2022
Real estate loans:
Multifamily	$	56	$	24	$	103	$	48
Commercial	74		70		120		82
One-to-four family residential	1		7		5		10
Home equity and lines of credit	1		11		1		11
Commercial and industrial	28		7		29		8
Total interest income on non-accrual loans	$	160	$	119	$	258	$	159

Schedule of Loan Modifications

The following table presents the amortized cost basis at June 30, 2023 of loan modifications made to borrowers experiencing financial difficulty that were restructured during the three and six months ended June 30, 2023 by type of modification (dollars in thousands):

	Three and Six Months Ended June 30, 2023
		Payment Delay		Payment Delay and Interest Rate Reduction		Payment Delay, Term Extension, and Interest Rate Reductions		Total		Percent of Total Class
Commercial mortgage		$	65	$	—	$	—	$	65	0.01	%
Commercial and industrial		—		210		325		535		0.37	%
Total loans		$	65	$	210	$	325	$	600	0.06	%

The following table presents the financial effect of loan modifications made to borrowers experiencing financial difficulty during the three and six months ended June 30, 2023 (in thousands):

	Three and Six Months Ended June 30, 2023
		Weighted-Average Term Extension (in months)	Weighted-Average Interest Rate Reduction
Commercial and industrial		32	(4.65)	%

The following table presents the aging analysis of loan modifications made to borrowers experiencing financial difficulty during the three and six months ended June 30, 2023 (in thousands):

	June 30, 2023
	Current		30-89 Days Past Due		90 Days or More Past Due		Non-Accrual		Total
Commercial mortgage	$	—	$	65	$	—	$	—	$	65
Commercial and industrial	459		76		—		—		535
Total loans	$	459	$	141	$	—	$	—	$	600

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Allowance for Credit Losses (“ACL”) on Loans (Tables)

6 Months Ended

Jun. 30, 2023

Credit Loss [Abstract]

Schedule of Allowance for Credit Losses for Off-Balance Sheet credit Exposures

The table below summarizes the allowance for credit losses for off-balance sheet credit exposures as of, and for the three and six months ended June 30, 2023, and June 30, 2022 (in thousands):

	Three Months Ended June 30,				Six Months Ended June 30,
	2023		2022		2023		2022
Balance at beginning of period	$	902	$	2,131	$	791	$	1,852
Provision for credit losses	(661)		349		(550)		628
Balance at end of period	$	241	$	2,480	$	241	$	2,480

Allowance For Loan Losses And Loans Receivable By Portfolio Segment Table

The following tables set forth activity in our allowance for credit losses on loans, by loan type, as of, and for the three and six months ended June 30, 2023, and June 30, 2022 (in thousands):

	Three Months Ended June 30, 2023
	Real Estate
	Commercial (1)		One-to-Four Family		Home Equity and Lines of Credit		Construction and Land		Commercial and Industrial		Other		Total Loans (excluding PCD)		PCD		Total
Allowance for credit losses:
Beginning balance	$	28,030	$	3,587	$	1,398	$	286	$	4,366	$	7	$	37,674	$	3,762	$	41,436
Charge-offs	—		—		—		—		(355)		—		(355)		—		(355)
Recoveries	29		—		1		—		13		—		43		—		43
Provisions (credit)	(3,326)		227		(121)		15		3,271		—		66		(36)		30
Ending balance	$	24,733	$	3,814	$	1,278	$	301	$	7,295	$	7	$	37,428	$	3,726	$	41,154

	Three Months Ended June 30, 2022
	Real Estate
	Commercial (1)		One-to-Four Family		Home Equity and Lines of Credit		Construction and Land		Commercial and Industrial		Other		Total Loans (excluding PCD)		PCD		Total
Allowance for credit losses:
Beginning balance	27,247		3,589		679		166		2,954		9		34,644		4,630		39,274
Charge-offs	—		—		—		—		—		—		—		(525)		(525)
Recoveries	19		—		—		—		114		—		133		—		133
Provisions (credit)	799		(584)		123		119		(363)		2		96		53		149
Ending balance	$	28,065	$	3,005	$	802	$	285	$	2,705	$	11	$	34,873	$	4,158	$	39,031

(1) Commercial includes commercial real estate loans collateralized by owner-occupied, non-owner occupied, and multifamily properties.

	Six Months Ended June 30, 2023
	Real Estate
	Commercial (1)		One-to-Four Family		Home Equity and Lines of Credit		Construction and Land		Commercial and Industrial		Other		Total Loans (excluding PCD)		PCD		Total
Allowance for credit losses:
Beginning balance	$	29,485	$	3,936	$	866	$	324	$	4,114	$	9	$	38,734	$	3,883	$	42,617
Charge-offs	—		—		—		—		(2,411)		—		(2,411)		(8)		(2,419)
Recoveries	34		—		1		—		27		—		62		—		62
Provisions (credit)	(4,786)		(122)		411		(23)		5,565		(2)		1,043		(149)		894
Ending balance	$	24,733	$	3,814	$	1,278	$	301	$	7,295	$	7	$	37,428	$	3,726	$	41,154

	Six Months Ended June 30, 2022
	Real Estate
	Commercial (1)		One-to-Four Family		Home Equity and Lines of Credit		Construction and Land		Commercial and Industrial		Other		Total Loans (excluding PCD)		PCD		Total
Allowance for credit losses:
Beginning balance	$	26,785	$	3,545	$	560	$	169	$	3,173	$	9	$	34,241	$	4,732	$	38,973
Charge-offs	—		—		—		—		(185)		—		(185)		(525)		(710)
Recoveries	97		—		—		—		119		—		216		—		216
Provisions (credit)	1,183		(540)		242		116		(402)		2		601		(49)		552
Ending balance	$	28,065	$	3,005	$	802	$	285	$	2,705	$	11	$	34,873	$	4,158	$	39,031

(1) Commercial includes commercial real estate loans collateralized by owner-occupied, non-owner occupied, and multifamily properties.

The following tables detail the amount of loans receivable held-for-investment, net of deferred loan fees and costs, that are evaluated, individually and collectively, for impairment, and the related portion of the allowance for credit losses that is allocated to each loan portfolio segment, at June 30, 2023 and December 31, 2022 (in thousands):

	June 30, 2023
	Real Estate
	Commercial (1)		One-to-Four Family		Home Equity and Lines of Credit		Construction and Land		Commercial and Industrial		Other		Total Loans (excluding PCD)		PCD		Total
Allowance for credit losses:
Ending balance: individually evaluated for impairment	$	24	$	—	$	3	$	—	$	18	$	—	$	45	$	—	$	45
Ending balance: collectively evaluated for impairment	24,709		3,814		1,275		301		7,277		7		37,383		—		37,383
Ending balance: PCD loans evaluated for impairment (2)	—		—		—		—		—		—		—		3,726		3,726
Loans, net:
Ending balance	$	3,757,789	$	170,767	$	158,517	$	29,444	$	143,314	$	2,663	$	4,262,494	$	11,548	$	4,274,042
Ending balance: individually evaluated for impairment	7,916		636		25		—		89		—		8,666		—		8,666
Ending balance: collectively evaluated for impairment	3,749,873		170,131		158,492		29,444		142,859		2,663		4,253,462		—		4,253,462
Ending balance: PCD loans evaluated for impairment (2)	—		—		—		—		—		—		—		11,548		11,548
PPP loans not evaluated for impairment (3)	—		—		—		—		366		—		366		—		366

	December 31, 2022
	Real Estate
	Commercial (1)		One-to-Four Family		Home Equity and Lines of Credit		Construction and Land		Commercial and Industrial		Other		Total Loans (excluding PCD)		PCD		Total
Allowance for credit losses:
Ending balance: individually evaluated for impairment	$	18	$	—	$	2	$	—	$	18	$	—	$	38	$	—	$	38
Ending balance: collectively evaluated for impairment	29,467		3,936		864		324		4,096		9		38,696		—		38,696
Ending balance: PCD loans evaluated for impairment (2)	—		—		—		—		—		—		—		3,883		3,883
Loans, net:
Ending balance	$	3,723,828	$	173,946	$	152,555	$	24,932	$	154,700	$	2,230	$	4,232,191	$	11,502	$	4,243,693
Ending balance: individually evaluated for impairment	8,152		666		27		—		94		—		8,939		—		8,939
Ending balance: collectively evaluated for impairment	3,715,676		173,280		152,528		24,932		149,463		2,230		4,218,109		—		4,218,109
Ending balance: PCD loans evaluated for impairment (2)	—		—		—		—		—		—		—		11,502		11,502
PPP loans not evaluated for impairment (3)	—		—		—		—		5,143		—		5,143		—		5,143

(1) Commercial includes commercial real estate loans collateralized by owner-occupied, non-owner occupied, and multifamily properties.

(2) Upon adoption of CECL, the Company elected to maintain pools of PCD loans that were previously accounted for under ASC 310-30, and will continue to evaluate PCD loans under this guidance.

(3) PPP loans are guaranteed by the SBA and therefore excluded from the allowance for credit losses.

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Deposits (Tables)

6 Months Ended

Jun. 30, 2023

Deposits [Abstract]

Deposit Account Balances

Deposit account balances are summarized as follows (in thousands):

	June 30, 2023		December 31, 2022
Non-interest-bearing checking	$	754,498	$	852,660
Negotiable orders of withdrawal ("NOW") and interest-bearing checking	1,116,000		1,132,290
Savings and money market	1,239,673		1,425,247
Certificates of deposit	654,232		740,022
Total deposits	$	3,764,403	$	4,150,219

Interest Expense on Deposits

Interest expense on deposit accounts is summarized for the periods indicated (in thousands):

	Three Months Ended June 30,				Six Months Ended June 30,
	2023		2022		2023		2022
NOW and interest-bearing checking, savings, and money market	$	6,486	$	599	$	10,329	$	1,170
Certificates of deposit	3,997		735		7,975		1,323
Total interest expense on deposit accounts	$	10,483	$	1,334	$	18,304	$	2,493

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Equity Incentive Plans (Tables)

6 Months Ended

Jun. 30, 2023

Share-Based Payment Arrangement [Abstract]

Stock Options Outstanding

The following table is a summary of the Company’s stock options outstanding as of June 30, 2023, and changes therein during the six months then ended.

	Number of Stock Options	Weighted Average Grant Date Fair Value		Weighted Average Exercise Price		Weighted Average Contractual Life (years)
Outstanding - December 31, 2022	1,582,826	$	4.03	$	14.04	2.01
Forfeited	(10,900)	3.98		13.80		—
Exercised	(7,600)	3.91		13.13		—
Outstanding - June 30, 2023	1,564,326	4.03		14.05		1.51
Exercisable - June 30, 2023	1,564,326	4.03		14.05		1.51

Status of the Company's Restricted Share Awards

The following is a summary of the status of the Company’s restricted stock awards and performance-based restricted stock units at June 30, 2023, and changes therein during the six months then ended.

	Number of Shares Awarded	Weighted Average Grant Date Fair Value
Non-vested at December 31, 2022	321,501	$	14.66
Granted	192,249	14.37
Incremental performance-based restricted stock units earned	10,353	—
Vested	(124,586)	15.27
Forfeited	(35,157)	14.33
Non-vested at June 30, 2023	364,360	14.36

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Fair Value Measurements (Tables)

6 Months Ended

Jun. 30, 2023

Fair Value Disclosures [Abstract]

Significant Fair Value of Assets and Liabilities Measured on Recurring and Non Recurring Basis

	Fair Value Measurements at June 30, 2023 Using:
	Carrying Value		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
	(in thousands)
Measured on a recurring basis:
Assets:
Investment securities:
Debt securities available-for-sale:
U.S. Government agency	$	72,086	$	—	$	72,086	$	—
Mortgage-backed securities:
Pass-through certificates:
GSE	378,559		—		378,559		—
REMICs:
GSE	236,046		—		236,046		—
	614,605		—		614,605		—
Other debt securities:
Corporate bonds	115,566		—		115,566		—
	115,566		—		115,566		—
Total debt securities available-for-sale	802,257		—		802,257		—
Trading securities	11,731		11,731		—		—
Equity securities (1)	653		653		—		—
Total	$	814,641	$	12,384	$	802,257	$	—
Measured on a non-recurring basis:
Assets:
Loans individually evaluated for impairment:
Real estate loans:
Commercial real estate	$	2,460	$	—	$	—	$	2,460
Multifamily	1,923		—		—		1,923
Home equity and lines of credit	22		—		—		22
Total individually evaluated real estate loans	4,405		—		—		4,405
Commercial and industrial loans	61		—		—		61
Total	$	4,466	$	—	$	—	$	4,466

(1) Excludes investment measured at net asset value of $10.0 million at June 30, 2023, which has not been classified in the fair value hierarchy.

	Fair Value Measurements at December 31, 2022 Using:
	Carrying Value		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
	(in thousands)
Measured on a recurring basis:
Assets:
Investment securities:
Debt securities available-for-sale:
U.S. Government agency securities	$	72,076	$	—	$	72,076	$	—
Mortgage-backed securities:
Pass-through certificates:
GSE	432,618		—		432,618		—
REMICs:
GSE	264,724		—		264,724		—
	697,342		—		697,342		—
Other debt securities:
Municipal bonds	21		—		21		—
Corporate bonds	182,734		—		182,734		—
	182,755		—		182,755		—
Total debt securities available-for-sale	952,173		—		952,173		—
Trading securities	10,751		10,751		—		—
Equity securities (1)	361		361		—		—
Total	$	963,285	$	11,112	$	952,173	$	—
Measured on a non-recurring basis:
Assets:
Loans individually evaluated for impairment:
Real estate loans:
Commercial real estate	$	2,631	$	—	$	—	$	2,631
Multifamily	1,923		—		—		1,923
Home equity and lines of credit	24		—		—		24
Total impaired real estate loans	4,578		—		—		4,578
Commercial and industrial loans	62		—		—		62
Total	$	4,640	$	—	$	—	$	4,640

(1) Excludes investment measured at net asset value of $10.1 million at December 31, 2022, which has not been classified in the fair value hierarchy.

Level 3 Assets Measured at Fair Value on a Non-Recurring Basis

The following table presents qualitative information for Level 3 assets measured at fair value on a non-recurring basis at June 30, 2023 and December 31, 2022 (dollars in thousands):

	Fair Value				Valuation Methodology	Unobservable Inputs	Range of Inputs
	June 30, 2023		December 31, 2022				June 30, 2023	December 31, 2022
Individually evaluated loans	$	4,466	$	4,640	Appraisals	Discount for costs to sell	7.0%	7.0%
						Discount for quick sale	10.0%	10.0%
					Discounted cash flows	Interest rates	4.88% to 7.50%	4.88% to 7.50%

Estimated Fair Values of Significant Financial Instruments

The estimated fair values of the Company’s significant financial instruments at June 30, 2023 and December 31, 2022, are presented in the following tables (in thousands):

	June 30, 2023
			Estimated Fair Value
	Carrying Value		Level 1		Level 2		Level 3		Total
Financial assets:
Cash and cash equivalents	$	89,127	$	89,127	$	—	$	—	$	89,127
Trading securities	11,731		11,731		—		—		11,731
Debt securities available-for-sale	802,257		—		802,257		—		802,257
Debt securities held-to-maturity	10,316		—		9,946		—		9,946
Equity securities (1)	653		653		—		—		653
FHLBNY stock, at cost	40,376		—		40,376		—		40,376
Net loans held-for-investment	4,232,888		—		—		4,044,104		4,044,104
Derivative assets	5,334		—		5,334		—		5,334
Financial liabilities:
Deposits	$	3,764,403	$	—	$	3,765,299	$	—	$	3,765,299
FHLB advances and other borrowings (including securities sold under agreements to repurchase)	923,535		—		897,657		—		897,657
Subordinated debentures, net of issuance costs	61,108		—		51,788		—		51,788
Advance payments by borrowers for taxes and insurance	29,117		—		29,117		—		29,117
Derivative liabilities	5,335		—		5,335		—		5,335

(1) Excludes investment measured at net asset value of $10.0 million at June 30, 2023, which has not been classified in the fair value hierarchy.

	December 31, 2022
			Estimated Fair Value
	Carrying Value		Level 1		Level 2		Level 3		Total
Financial assets:
Cash and cash equivalents	$	45,799	$	45,799	$	—	$	—	$	45,799
Trading securities	10,751		10,751		—		—		10,751
Debt securities available-for-sale	952,173		—		952,173		—		952,173
Debt securities held-to-maturity	10,760		—		10,389		—		10,389
Equity securities (1)	361		361		—		—		361
FHLBNY stock, at cost	30,382		—		30,382		—		30,382
Net loans held-for-investment	4,201,076		—		—		4,016,849		4,016,849
Derivative assets	5,321		—		5,321		—		5,321
Financial liabilities:
Deposits	$	4,150,219	$	—	$	4,148,938	$	—	$	4,148,938
FHLB advances and other borrowings (including securities sold under agreements to repurchase)	583,859		—		564,588		—		564,588
Subordinated debentures, net of issuance costs	60,996				54,393				54,393
Advance payments by borrowers for taxes and insurance	25,995		—		25,995		—		25,995
Derivative liabilities	5,321		—		5,321		—		5,321

(1) Excludes investment measured at net asset value of $10.1 million at December 31, 2022, which has not been classified in the fair value hierarchy.

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Earnings Per Share (Tables)

6 Months Ended

Jun. 30, 2023

Earnings Per Share [Abstract]

Schedule of Earnings Per Share Calculations and Reconciliation

The following is a summary of the Company’s earnings per share calculations and reconciliation of basic to diluted earnings per share for the periods indicated (in thousands, except per share data):

	Three Months Ended June 30,				Six Months Ended June 30,
	2023		2022		2023		2022
Net income available to common stockholders	$	9,559	$	15,874	$	21,266	$	30,001
Weighted average shares outstanding-basic	43,914,110		46,591,723		44,346,881		46,708,716
Effect of non-vested restricted stock and stock, performance-based restricted stock units and options outstanding	38,829		46,390		91,752		161,717
Weighted average shares outstanding-diluted	43,952,939		46,638,113		44,438,633		46,870,433
Earnings per share-basic	$	0.22	$	0.34	$	0.48	$	0.64
Earnings per share-diluted	$	0.22	$	0.34	$	0.48	$	0.64
Anti-dilutive shares	1,849,258		1,922,988		1,384,805		1,098,229

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Leases (Tables)

6 Months Ended

Jun. 30, 2023

Leases [Abstract]

Lease, Cost

Supplemental lease information at or for the three and six months ended June 30, 2023, and June 30, 2022 is as follows (dollars in thousands):

	Three Months Ended June 30,				Six Months Ended June 30,
	2023		2022		2023			2022
Operating lease cost	$	1,504	$	1,521	$	3,011		$	2,990
Variable lease cost	936		863		1,842			1,828
Net lease cost	$	2,440	$	2,384	$	4,853		$	4,818
Cash paid for amounts included in measurement of operating lease liabilities	$	1,615	$	1,597	$	3,221		$	3,161
Right-of-use assets obtained in exchange for new operating lease liabilities	$	—	$	4,983	$	63		$	4,983
Weighted average remaining lease term					11.14 years			11.37 years
Weighted average discount rate					3.56		%	3.52		%

Lessee, Operating Lease, Liability, Maturity

The following table summarizes lease payment obligations for each of the next five years and thereafter in addition to a reconcilement to the Company's current lease liability (in thousands):

Year	Amount
2023	$	3,263
2024	6,059
2025	5,718
2026	4,955
2027	3,995
Thereafter	22,705
Total lease payments	46,695
Less: imputed interest	(9,421)
Present value of lease liabilities	$	37,274

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Derivatives (Tables)

6 Months Ended

Jun. 30, 2023

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Schedule of Derivative Liabilities at Fair Value

The table below presents the fair value of the derivatives as well as their location on the consolidated balance sheets (in thousands):

	Fair Value
Balance Sheet Location	June 30, 2023		December 31, 2022
Other assets	$	5,334	$	5,321
Other liabilities	5,335		5,321

Schedule of Derivative Assets at Fair Value

The table below presents the fair value of the derivatives as well as their location on the consolidated balance sheets (in thousands):

	Fair Value
Balance Sheet Location	June 30, 2023		December 31, 2022
Other assets	$	5,334	$	5,321
Other liabilities	5,335		5,321

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Debt Securities Available-for-Sale - Comparative Summary of Mortgage-Backed Securities and Other Securities Available-for-Sale) (Details) - USD ($) $ in Thousands	Jun. 30, 2023	Dec. 31, 2022
Debt Securities, Available-for-sale [Line Items]
Amortized cost	$ 865,167	$ 1,019,607
Gross unrealized gains	0	3
Gross unrealized losses	(62,910)	(67,437)
Estimated fair value	802,257	952,173
U.S. Government agency securities
Debt Securities, Available-for-sale [Line Items]
Amortized cost	75,958	76,150
Gross unrealized gains	0	0
Gross unrealized losses	(3,872)	(4,074)
Estimated fair value	72,086	72,076
Pass-through certificates, GSE
Debt Securities, Available-for-sale [Line Items]
Amortized cost	417,226	472,963
Gross unrealized gains	0	1
Gross unrealized losses	(38,667)	(40,346)
Estimated fair value	378,559	432,618
GSE
Debt Securities, Available-for-sale [Line Items]
Amortized cost	251,166	280,870
Gross unrealized gains	0	0
Gross unrealized losses	(15,120)	(16,146)
Estimated fair value	236,046	264,724
Real estate mortgage investment conduits (REMICs)
Debt Securities, Available-for-sale [Line Items]
Amortized cost	668,392	753,833
Gross unrealized gains	0	1
Gross unrealized losses	(53,787)	(56,492)
Estimated fair value	614,605	697,342
Municipal bonds
Debt Securities, Available-for-sale [Line Items]
Amortized cost		21
Gross unrealized gains		0
Gross unrealized losses		0
Estimated fair value		21
Corporate bonds
Debt Securities, Available-for-sale [Line Items]
Amortized cost	120,817	189,603
Gross unrealized gains	0	2
Gross unrealized losses	(5,251)	(6,871)
Estimated fair value	115,566	182,734
Other debt securities
Debt Securities, Available-for-sale [Line Items]
Amortized cost	120,817	189,624
Gross unrealized gains	0	2
Gross unrealized losses	(5,251)	(6,871)
Estimated fair value	$ 115,566	$ 182,755

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Debt Securities Available-for-Sale - Summary of Expected Maturity Distribution of Debt Securities Available-for-Sale, Other than Mortgage-Backed Securities) (Details) - USD ($) $ in Thousands	Jun. 30, 2023	Dec. 31, 2022
Amortized cost
Amortized cost	$ 865,167	$ 1,019,607
Estimated fair value
Estimated fair value	802,257	$ 952,173
Other Than Mortgage Backed Securities
Amortized cost
Due in one year or less	156,756
Due after one year through five years	40,019
Amortized cost	196,775
Estimated fair value
Due in one year or less	151,319
Due after one year through five years	36,333
Estimated fair value	$ 187,652

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Debt Securities Available-for-Sale - Narrative (Details)	3 Months Ended		6 Months Ended
	Jun. 30, 2023 USD ($) loan security	Jun. 30, 2022 USD ($)	Jun. 30, 2023 USD ($) loan security	Jun. 30, 2022 USD ($)	Dec. 31, 2022 USD ($)
Debt Securities, Available-for-sale [Line Items]
Debt securities, available-for-sale, restricted	$ 643,100,000		$ 643,100,000		$ 591,700,000
Proceeds from sale of debt securities available-for-sale	0	$ 0	0	$ 41,464,000
Debt securities, available-for-sale, realized gain	21,000		22,000	264,000
Debt securities, available-for-sale, realized loss	39,000		39,000	0
Debt securities, available-for-sale, realized gain (loss)		0
Debt securities, trading, realized gain (loss)	506,000	$ 1,600,000	1,000,000	$ 2,400,000
Debt securities available-for-sale, allowance for credit loss	0		0		0
Accrued interest receivable associated with debt securities available-for-sale	$ 2,500,000		$ 2,500,000		$ 2,800,000
Debt Securities, Held-to-Maturity, Accrued Interest, after Allowance for Credit Loss, Statement of Financial Position [Extensible Enumeration]	Accrued interest receivable		Accrued interest receivable
GSE | Real Estate Mortgage Investment Conduits (REMICs)
Debt Securities, Available-for-sale [Line Items]
Number of debt securities, unrealized loss position longer than 12 months | loan	5		5
Municipal bonds | Real Estate Mortgage Investment Conduits (REMICs)
Debt Securities, Available-for-sale [Line Items]
Number of debt securities, unrealized loss position longer than 12 months | loan	19		19
Number of debt securities, unrealized loss position less than 12 months | security	1		1
Pass Through | GSE | Real Estate Mortgage Investment Conduits (REMICs)
Debt Securities, Available-for-sale [Line Items]
Number of debt securities, unrealized loss position longer than 12 months | security	102		102
Number of debt securities, unrealized loss position less than 12 months | security	21		21
Non Pass Through | GSE | Real Estate Mortgage Investment Conduits (REMICs)
Debt Securities, Available-for-sale [Line Items]
Number of debt securities, unrealized loss position longer than 12 months | loan	81		81

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Debt Securities Available-for-Sale - Gross Unrealized Losses on Mortgage-Backed Securities (Details) - USD ($) $ in Thousands	Jun. 30, 2023	Dec. 31, 2022
Debt Securities, Available-for-sale [Line Items]
Unrealized losses, less than 12 months	$ (1,004)	$ (21,199)
Estimated fair value, less than 12 months	11,299	430,053
Unrealized losses, 12 months or more	(61,906)	(46,238)
Estimated fair value, 12 months or more	790,936	504,194
Unrealized losses, total	(62,910)	(67,437)
Estimated fair value, total	802,235	934,247
U.S. Government agency securities
Debt Securities, Available-for-sale [Line Items]
Unrealized losses, less than 12 months	0	(3,942)
Estimated fair value, less than 12 months	0	71,058
Unrealized losses, 12 months or more	(3,872)	(132)
Estimated fair value, 12 months or more	72,086	1,018
Unrealized losses, total	(3,872)	(4,074)
Estimated fair value, total	72,086	72,076
Pass-through Certificates | GSE
Debt Securities, Available-for-sale [Line Items]
Unrealized losses, less than 12 months	(269)	(8,112)
Estimated fair value, less than 12 months	8,034	142,605
Unrealized losses, 12 months or more	(38,398)	(32,234)
Estimated fair value, 12 months or more	370,503	289,890
Unrealized losses, total	(38,667)	(40,346)
Estimated fair value, total	378,537	432,495
Real estate mortgage investment conduits (REMICs) | GSE
Debt Securities, Available-for-sale [Line Items]
Unrealized losses, less than 12 months	0	(8,303)
Estimated fair value, less than 12 months	0	180,612
Unrealized losses, 12 months or more	(15,120)	(7,843)
Estimated fair value, 12 months or more	236,046	84,112
Unrealized losses, total	(15,120)	(16,146)
Estimated fair value, total	236,046	264,724
Other debt securities | Corporate bonds
Debt Securities, Available-for-sale [Line Items]
Unrealized losses, less than 12 months	(735)	(842)
Estimated fair value, less than 12 months	3,265	35,778
Unrealized losses, 12 months or more	(4,516)	(6,029)
Estimated fair value, 12 months or more	112,301	129,174
Unrealized losses, total	(5,251)	(6,871)
Estimated fair value, total	$ 115,566	$ 164,952

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Debt Securities Held-to-Maturity - Mortgage Backed Securities Held-to-Maturity (Details) - USD ($) $ in Thousands	Jun. 30, 2023	Dec. 31, 2022
Schedule of Held-to-maturity Securities [Line Items]
Amortized Cost	$ 10,316	$ 10,760
Gross Unrealized Gains	83	90
Gross Unrealized Losses	(453)	(461)
Estimated Fair Value	9,946	10,389
Pass-through certificates, GSE
Schedule of Held-to-maturity Securities [Line Items]
Amortized Cost	10,316	10,760
Gross Unrealized Gains	83	90
Gross Unrealized Losses	(453)	(461)
Estimated Fair Value	$ 9,946	$ 10,389

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Debt Securities Held-to-Maturity - Narrative (Details) $ in Thousands	6 Months Ended
	Jun. 30, 2023 USD ($) security	Jun. 30, 2022 USD ($)	Dec. 31, 2022 USD ($)
Investments, Debt and Equity Securities [Abstract]
Held-to-maturity securities sold	$ 0	$ 0
Held-to-maturity securities pledged to secure borrowings and deposits	$ 10,300		$ 2,000
Held-to-maturity securities unrealized loss position greater than twelve months | security	6
Held-to-maturity securities unrealized loss position less than twelve months | security	3
Accrued interest receivable associated with held-to-maturity securities	$ 37		$ 39

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Debt Securities Held-to-Maturity - Held-to-Maturity Securities in a Continuous Unrealized Loss Positions (Details) - USD ($) $ in Thousands	Jun. 30, 2023	Dec. 31, 2022
Unrealized losses
Less than 12 months	$ (86)	$ (461)
12 months or more	(367)	0
Total	(453)	(461)
Estimated fair value
Less than 12 months	3,253	7,433
12 months or more	3,768	0
Total	7,021	7,433
Pass-through certificates, GSE
Unrealized losses
Less than 12 months	(86)	(461)
12 months or more	(367)	0
Total	(453)	(461)
Estimated fair value
Less than 12 months	3,253	7,433
12 months or more	3,768	0
Total	$ 7,021	$ 7,433

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Equity Securities (Details) - USD ($) $ in Thousands	Jun. 30, 2023	Dec. 31, 2022
Debt and Equity Securities, FV-NI [Line Items]
Equity securities	$ 10,653	$ 10,443
Money Market Funds
Debt and Equity Securities, FV-NI [Line Items]
Equity securities, fair value	653	361
Small Business Administration Loan Fund
Debt and Equity Securities, FV-NI [Line Items]
Equity securities not been classified in the fair value	$ 10,000	$ 10,100

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Loans - Net Loans Held-for-Investment (Details) - USD ($) $ in Thousands	Jun. 30, 2023	Mar. 31, 2023	Dec. 31, 2022	Jun. 30, 2022	Mar. 31, 2022	Dec. 31, 2021
Loans and Leases Receivable Disclosure [Line Items]
Total loans held-for-investment	$ 4,274,042		$ 4,243,693
Less: allowance for credit losses	(41,154)	$ (41,436)	(42,617)	$ (39,031)	$ (39,274)	$ (38,973)
Net loans held-for-investment	4,232,888		4,201,076
Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Loans and Leases Receivable Disclosure [Line Items]
Total loans held-for-investment	4,262,494		4,232,191
Less: allowance for credit losses	(37,428)	(37,674)	(38,734)	(34,873)	(34,644)	(34,241)
PCD loans
Loans and Leases Receivable Disclosure [Line Items]
Total loans held-for-investment	11,548		11,502
Less: allowance for credit losses	(3,726)	(3,762)	(3,883)	(4,158)	(4,630)	(4,732)
Real estate loans: | Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Loans and Leases Receivable Disclosure [Line Items]
Loans	4,116,517		4,075,261
Total loans held-for-investment	4,116,517		4,075,261
Real estate loans: | Financial Asset, Other than Financial Asset Acquired with Credit Deterioration | Multifamily
Loans and Leases Receivable Disclosure [Line Items]
Loans	2,814,809		2,824,579
Total loans held-for-investment	2,814,809		2,824,579
Real estate loans: | Financial Asset, Other than Financial Asset Acquired with Credit Deterioration | Commercial mortgage
Loans and Leases Receivable Disclosure [Line Items]
Loans	942,980		899,249
Total loans held-for-investment	942,980		899,249
Real estate loans: | Financial Asset, Other than Financial Asset Acquired with Credit Deterioration | One-to-four family residential mortgage
Loans and Leases Receivable Disclosure [Line Items]
Loans	170,767		173,946
Total loans held-for-investment	170,767		173,946
Less: allowance for credit losses	(3,814)	(3,587)	(3,936)	(3,005)	(3,589)	(3,545)
Real estate loans: | Financial Asset, Other than Financial Asset Acquired with Credit Deterioration | Home equity and lines of credit
Loans and Leases Receivable Disclosure [Line Items]
Loans	158,517		152,555
Total loans held-for-investment	158,517		152,555
Less: allowance for credit losses	(1,278)	(1,398)	(866)	(802)	(679)	(560)
Real estate loans: | Financial Asset, Other than Financial Asset Acquired with Credit Deterioration | Construction and land
Loans and Leases Receivable Disclosure [Line Items]
Loans	29,444		24,932
Total loans held-for-investment	29,444		24,932
Less: allowance for credit losses	(301)	(286)	(324)	(285)	(166)	(169)
Commercial and industrial and other loans | Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Loans and Leases Receivable Disclosure [Line Items]
Loans	145,977		156,930
Commercial and industrial loans | Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Loans and Leases Receivable Disclosure [Line Items]
Loans	143,314		154,700
Total loans held-for-investment	143,314		154,700
Less: allowance for credit losses	(7,295)	(4,366)	(4,114)	(2,705)	(2,954)	(3,173)
Other loans | Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Loans and Leases Receivable Disclosure [Line Items]
Loans	2,663		2,230
Total loans held-for-investment	2,663		2,230
Less: allowance for credit losses	(7)	$ (7)	(9)	$ (11)	$ (9)	$ (9)
Payment Protection Program | Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Loans and Leases Receivable Disclosure [Line Items]
Loans	$ 366		$ 5,100

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Loans - Narrative, Loans Held-for-Investment (Details) - USD ($) $ in Thousands	6 Months Ended	12 Months Ended
	Jun. 30, 2023	Dec. 31, 2022
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans held-for-sale	$ 977	$ 0
PCI loans	$ 4,274,042	$ 4,243,693
Home equity loan
Accounts, Notes, Loans and Financing Receivable [Line Items]
Percentage of PCI loans	10.00%	10.00%
Commercial real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Percentage of PCI loans	31.00%	28.00%
Commercial and industrial loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Percentage of PCI loans	52.00%	53.00%
One-to-four family residential mortgage
Accounts, Notes, Loans and Financing Receivable [Line Items]
Percentage of PCI loans	7.00%	9.00%
PCD loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
PCI loans	$ 11,548	$ 11,502

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Loans - Loans Held-for-Investment and Current Period Gross Charge-Offs, Excluding PCD Loans, Net of Deferred Fees and Costs (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022	Dec. 31, 2022
Financing Receivable, Allowance for Credit Loss [Line Items]
Ending balance	$ 4,274,042		$ 4,274,042		$ 4,243,693
Current period gross charge-offs
Total	355	$ 525	2,419	$ 710
Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Financing Receivable, Allowance for Credit Loss [Line Items]
Current Fiscal Year	183,397		183,397		939,431
Year Two	937,374		937,374		879,188
Year Three	863,808		863,808		599,452
Year Four	569,816		569,816		367,200
Year Five	361,573		361,573		297,769
Prior	1,193,169		1,193,169		975,388
Revolving Loans	153,357		153,357		173,763
Ending balance	4,262,494		4,262,494		4,232,191
Current period gross charge-offs
Current Fiscal Year			0
Year Two			1,591
Year Three			707
Year Four			0
Year Five			0
Prior			113
Revolving Loans			0
Total	355	0	2,411	185
Real estate loans: | Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Financing Receivable, Allowance for Credit Loss [Line Items]
Current Fiscal Year	176,705		176,705		920,189
Year Two	910,642		910,642		863,901
Year Three	846,036		846,036		591,440
Year Four	566,718		566,718		363,391
Year Five	358,256		358,256		296,103
Prior	1,184,269		1,184,269		966,854
Revolving Loans	73,891		73,891		73,383
Ending balance	4,116,517		4,116,517		4,075,261
Real estate loans: | Multifamily | Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Financing Receivable, Allowance for Credit Loss [Line Items]
Current Fiscal Year	75,847		75,847		632,613
Year Two	626,142		626,142		676,370
Year Three	659,433		659,433		500,069
Year Four	474,042		474,042		255,374
Year Five	252,353		252,353		208,335
Prior	726,430		726,430		551,297
Revolving Loans	562		562		521
Ending balance	2,814,809		2,814,809		2,824,579
Real estate loans: | Multifamily | Pass | Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Financing Receivable, Allowance for Credit Loss [Line Items]
Current Fiscal Year	75,847		75,847		632,613
Year Two	626,142		626,142		676,370
Year Three	659,433		659,433		500,069
Year Four	474,042		474,042		255,374
Year Five	252,353		252,353		204,810
Prior	716,825		716,825		545,335
Revolving Loans	562		562		521
Ending balance	2,805,204		2,805,204		2,815,092
Real estate loans: | Multifamily | Special mention | Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Financing Receivable, Allowance for Credit Loss [Line Items]
Current Fiscal Year	0		0
Year Two	0		0
Year Three	0		0
Year Four	0		0
Year Five	0		0
Prior	334		334
Revolving Loans	0		0
Ending balance	334		334
Real estate loans: | Multifamily | Substandard | Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Financing Receivable, Allowance for Credit Loss [Line Items]
Current Fiscal Year	0		0		0
Year Two	0		0		0
Year Three	0		0		0
Year Four	0		0		0
Year Five	0		0		3,525
Prior	9,271		9,271		5,962
Revolving Loans	0		0		0
Ending balance	9,271		9,271		9,487
Real estate loans: | Commercial mortgage | Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Financing Receivable, Allowance for Credit Loss [Line Items]
Current Fiscal Year	82,595		82,595		216,510
Year Two	214,102		214,102		157,993
Year Three	156,830		156,830		68,215
Year Four	67,219		67,219		90,644
Year Five	89,326		89,326		72,512
Prior	330,759		330,759		291,711
Revolving Loans	2,149		2,149		1,664
Ending balance	942,980		942,980		899,249
Real estate loans: | Commercial mortgage | Pass | Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Financing Receivable, Allowance for Credit Loss [Line Items]
Current Fiscal Year	82,595		82,595		213,621
Year Two	211,238		211,238		147,419
Year Three	156,830		156,830		68,215
Year Four	67,219		67,219		90,644
Year Five	89,326		89,326		72,512
Prior	318,992		318,992		275,606
Revolving Loans	1,849		1,849		1,664
Ending balance	928,049		928,049		869,681
Real estate loans: | Commercial mortgage | Special mention | Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Financing Receivable, Allowance for Credit Loss [Line Items]
Current Fiscal Year	0		0		0
Year Two	0		0		0
Year Three	0		0		0
Year Four	0		0		0
Year Five	0		0		0
Prior	733		733		4,852
Revolving Loans	0		0		0
Ending balance	733		733		4,852
Real estate loans: | Commercial mortgage | Substandard | Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Financing Receivable, Allowance for Credit Loss [Line Items]
Current Fiscal Year	0		0		2,889
Year Two	2,864		2,864		10,574
Year Three	0		0		0
Year Four	0		0		0
Year Five	0		0		0
Prior	11,034		11,034		11,253
Revolving Loans	300		300		0
Ending balance	14,198		14,198		24,716
Real estate loans: | One-to-four family residential mortgage | Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Financing Receivable, Allowance for Credit Loss [Line Items]
Current Fiscal Year	6,252		6,252		26,432
Year Two	28,705		28,705		12,340
Year Three	12,190		12,190		8,623
Year Four	8,508		8,508		10,057
Year Five	9,595		9,595		7,227
Prior	104,564		104,564		108,261
Revolving Loans	953		953		1,006
Ending balance	170,767		170,767		173,946
Current period gross charge-offs
Total	0	0	0	0
Real estate loans: | One-to-four family residential mortgage | Pass | Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Financing Receivable, Allowance for Credit Loss [Line Items]
Current Fiscal Year	6,252		6,252		26,432
Year Two	28,705		28,705		12,340
Year Three	12,190		12,190		8,623
Year Four	8,508		8,508		10,057
Year Five	9,595		9,595		7,227
Prior	102,168		102,168		105,787
Revolving Loans	953		953		1,006
Ending balance	168,371		168,371		171,472
Real estate loans: | One-to-four family residential mortgage | Special mention | Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Financing Receivable, Allowance for Credit Loss [Line Items]
Current Fiscal Year	0		0		0
Year Two	0		0		0
Year Three	0		0		0
Year Four	0		0		0
Year Five	0		0		0
Prior	1,670		1,670		1,716
Revolving Loans	0		0		0
Ending balance	1,670		1,670		1,716
Real estate loans: | One-to-four family residential mortgage | Substandard | Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Financing Receivable, Allowance for Credit Loss [Line Items]
Current Fiscal Year	0		0		0
Year Two	0		0		0
Year Three	0		0		0
Year Four	0		0		0
Year Five	0		0		0
Prior	726		726		758
Revolving Loans	0		0		0
Ending balance	726		726		758
Real estate loans: | Home equity and lines of credit | Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Financing Receivable, Allowance for Credit Loss [Line Items]
Current Fiscal Year	11,552		11,552		36,513
Year Two	34,476		34,476		16,053
Year Three	16,158		16,158		8,198
Year Four	7,955		7,955		6,040
Year Five	5,748		5,748		4,532
Prior	15,052		15,052		11,680
Revolving Loans	67,576		67,576		69,539
Ending balance	158,517		158,517		152,555
Current period gross charge-offs
Total	0	0	0	0
Real estate loans: | Home equity and lines of credit | Pass | Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Financing Receivable, Allowance for Credit Loss [Line Items]
Current Fiscal Year	11,552		11,552		36,513
Year Two	34,476		34,476		16,053
Year Three	16,134		16,134		8,198
Year Four	7,955		7,955		5,948
Year Five	5,657		5,657		4,484
Prior	14,831		14,831		11,315
Revolving Loans	67,576		67,576		69,539
Ending balance	158,181		158,181		152,050
Real estate loans: | Home equity and lines of credit | Special mention | Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Financing Receivable, Allowance for Credit Loss [Line Items]
Current Fiscal Year	0		0		0
Year Two	0		0		0
Year Three	0		0		0
Year Four	0		0		0
Year Five	0		0		0
Prior	69		69		70
Revolving Loans	0		0		0
Ending balance	69		69		70
Real estate loans: | Home equity and lines of credit | Substandard | Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Financing Receivable, Allowance for Credit Loss [Line Items]
Current Fiscal Year	0		0		0
Year Two	0		0		0
Year Three	24		24		0
Year Four	0		0		92
Year Five	91		91		48
Prior	152		152		295
Revolving Loans	0		0		0
Ending balance	267		267		435
Real estate loans: | Construction and land | Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Financing Receivable, Allowance for Credit Loss [Line Items]
Current Fiscal Year	459		459		8,121
Year Two	7,217		7,217		1,145
Year Three	1,425		1,425		6,335
Year Four	8,994		8,994		1,276
Year Five	1,234		1,234		3,497
Prior	7,464		7,464		3,905
Revolving Loans	2,651		2,651		653
Ending balance	29,444		29,444		24,932
Current period gross charge-offs
Total	0	0	0	0
Real estate loans: | Construction and land | Pass | Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Financing Receivable, Allowance for Credit Loss [Line Items]
Current Fiscal Year	459		459		8,121
Year Two	7,217		7,217		1,145
Year Three	1,425		1,425		6,335
Year Four	8,994		8,994		1,276
Year Five	1,234		1,234		1,427
Prior	7,464		7,464		3,905
Revolving Loans	2,651		2,651		653
Ending balance	29,444		29,444		22,862
Real estate loans: | Construction and land | Substandard | Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Financing Receivable, Allowance for Credit Loss [Line Items]
Current Fiscal Year					0
Year Two					0
Year Three					0
Year Four					0
Year Five					2,070
Prior					0
Revolving Loans					0
Ending balance					2,070
Commercial and industrial | Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Financing Receivable, Allowance for Credit Loss [Line Items]
Current Fiscal Year	4,195		4,195		17,232
Year Two	26,732		26,732		15,287
Year Three	17,772		17,772		7,898
Year Four	3,001		3,001		3,804
Year Five	3,317		3,317		1,660
Prior	8,883		8,883		8,513
Revolving Loans	79,414		79,414		100,306
Ending balance	143,314		143,314		154,700
Current period gross charge-offs
Current Fiscal Year			0
Year Two			1,591
Year Three			707
Year Four			0
Year Five			0
Prior			113
Revolving Loans			0
Total	355	0	2,411	185
Commercial and industrial | Pass | Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Financing Receivable, Allowance for Credit Loss [Line Items]
Current Fiscal Year	4,195		4,195		16,941
Year Two	25,703		25,703		14,805
Year Three	17,345		17,345		7,754
Year Four	2,841		2,841		3,754
Year Five	3,230		3,230		1,460
Prior	8,502		8,502		8,172
Revolving Loans	65,291		65,291		98,969
Ending balance	127,107		127,107		151,855
Commercial and industrial | Special mention | Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Financing Receivable, Allowance for Credit Loss [Line Items]
Current Fiscal Year	0		0		0
Year Two	0		0		0
Year Three	0		0		48
Year Four	44		44		0
Year Five	0		0		0
Prior	107		107		124
Revolving Loans	250		250		214
Ending balance	401		401		386
Commercial and industrial | Substandard | Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Financing Receivable, Allowance for Credit Loss [Line Items]
Current Fiscal Year	0		0		291
Year Two	1,029		1,029		482
Year Three	427		427		96
Year Four	116		116		50
Year Five	87		87		200
Prior	274		274		217
Revolving Loans	13,873		13,873		1,123
Ending balance	15,806		15,806		2,459
Other loans | Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Financing Receivable, Allowance for Credit Loss [Line Items]
Current Fiscal Year	2,497		2,497		2,010
Year Two	0		0		0
Year Three	0		0		114
Year Four	97		97		5
Year Five	0		0		6
Prior	17		17		21
Revolving Loans	52		52		74
Ending balance	2,663		2,663		2,230
Current period gross charge-offs
Total	0	$ 0	0	$ 0
Other loans | Pass | Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Financing Receivable, Allowance for Credit Loss [Line Items]
Current Fiscal Year	2,497		2,497		2,010
Year Two	0		0		0
Year Three	0		0		114
Year Four	97		97		5
Year Five	0		0		6
Prior	17		17		21
Revolving Loans	42		42		74
Ending balance	2,653		2,653		$ 2,230
Other loans | Substandard | Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Financing Receivable, Allowance for Credit Loss [Line Items]
Current Fiscal Year	0		0
Year Two	0		0
Year Three	0		0
Year Four	0		0
Year Five	0		0
Prior	0		0
Revolving Loans	10		10
Ending balance	$ 10		$ 10

XML

Loans - Narrative, Past Due and Non-Accrual Loans (Details) - USD ($) $ in Thousands	6 Months Ended	12 Months Ended
	Jun. 30, 2023	Dec. 31, 2022
Receivables [Abstract]
Non-accrual loans	$ 10,110	$ 9,813
Criteria days for delinquent status	90 days	90 days
Principal balance of loans on non accrual status, less then	$ 500
Impairment of loans	5,100	$ 5,200
Loans on non accrual status with principal balances below threshold definition of an impaired loan	5,000	4,600
90 days or more past due and accruing	$ 224	$ 425

XML

Loans - Details and Delinquency Status of Nonperforming Loans (detail, and delinquency status, of non-performing loans (Non-Accrual Loans and Loans Past Due 90 Days or More and Still Accruing) (Details) - USD ($) $ in Thousands	Jun. 30, 2023	Dec. 31, 2022
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans held-for-investment	$ 4,274,042	$ 4,243,693
Non-accrual loans	10,110	9,813
90 Days or More Past Due and Accruing	224	425
Real estate loans: | Multifamily
Accounts, Notes, Loans and Financing Receivable [Line Items]
Non-accrual loans	3,223	3,285
Real estate loans: | Commercial mortgage
Accounts, Notes, Loans and Financing Receivable [Line Items]
Non-accrual loans	5,393	5,184
Real estate loans: | One-to-four family residential mortgage
Accounts, Notes, Loans and Financing Receivable [Line Items]
Non-accrual loans	109	118
Real estate loans: | Home equity and lines of credit
Accounts, Notes, Loans and Financing Receivable [Line Items]
Non-accrual loans	100	262
Commercial and industrial loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Non-accrual loans	1,275	964
Other loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Non-accrual loans	10
Non-Performing Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans held-for-investment	10,334	10,238
Non-accrual loans	10,110	9,813
90 Days or More Past Due and Accruing	224	425
Non-Performing Loans | Real estate loans:
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans held-for-investment	9,049	9,245
Non-accrual loans	8,825	8,849
90 Days or More Past Due and Accruing	224	396
Non-Performing Loans | Real estate loans: | Multifamily
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans held-for-investment	3,441	3,518
Non-accrual loans	3,223	3,285
90 Days or More Past Due and Accruing	218	233
Non-Performing Loans | Real estate loans: | Commercial mortgage
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans held-for-investment	5,393	5,192
Non-accrual loans	5,393	5,184
90 Days or More Past Due and Accruing	0	8
Non-Performing Loans | Real estate loans: | One-to-four family residential mortgage
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans held-for-investment	115	273
Non-accrual loans	109	118
90 Days or More Past Due and Accruing	6	155
Non-Performing Loans | Real estate loans: | Home equity and lines of credit
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans held-for-investment	100	262
Non-accrual loans	100	262
90 Days or More Past Due and Accruing	0	0
Non-Performing Loans | Commercial and industrial loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans held-for-investment	1,275	988
Non-accrual loans	1,275	964
90 Days or More Past Due and Accruing	0	24
Non-Performing Loans | Other loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans held-for-investment	10	5
Non-accrual loans	10	0
90 Days or More Past Due and Accruing	0	5
Non-Performing Loans | Substandard | Real estate loans: | Multifamily
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans held-for-investment	3,441	3,518
Non-accrual loans	3,223	3,285
90 Days or More Past Due and Accruing	218	233
Non-Performing Loans | Substandard | Real estate loans: | Commercial mortgage
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans held-for-investment	5,393	5,192
Non-accrual loans	5,393	5,184
90 Days or More Past Due and Accruing	0	8
Non-Performing Loans | Substandard | Real estate loans: | One-to-four family residential mortgage
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans held-for-investment	115	273
Non-accrual loans	109	118
90 Days or More Past Due and Accruing	6	155
Non-Performing Loans | Substandard | Real estate loans: | Home equity and lines of credit
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans held-for-investment	100	262
Non-accrual loans	100	262
90 Days or More Past Due and Accruing	0	0
Non-Performing Loans | Substandard | Commercial and industrial loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans held-for-investment	1,275	988
Non-accrual loans	1,275	964
90 Days or More Past Due and Accruing	0	24
Non-Performing Loans | Substandard | Other loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans held-for-investment	10
Non-accrual loans	10
90 Days or More Past Due and Accruing	0
Non-Performing Loans | Pass | Other loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans held-for-investment		5
Non-accrual loans		0
90 Days or More Past Due and Accruing		5
Non-Performing Loans | Current
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans held-for-investment	5,315	4,915
Non-Performing Loans | Current | Real estate loans:
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans held-for-investment	5,225	4,915
Non-Performing Loans | Current | Real estate loans: | Multifamily
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans held-for-investment	2,257	1,923
Non-Performing Loans | Current | Real estate loans: | Commercial mortgage
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans held-for-investment	2,886	2,806
Non-Performing Loans | Current | Real estate loans: | One-to-four family residential mortgage
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans held-for-investment	82	0
Non-Performing Loans | Current | Real estate loans: | Home equity and lines of credit
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans held-for-investment	0	186
Non-Performing Loans | Current | Commercial and industrial loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans held-for-investment	90	0
Non-Performing Loans | Current | Other loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans held-for-investment	0	0
Non-Performing Loans | Current | Substandard | Real estate loans: | Multifamily
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans held-for-investment	2,257	1,923
Non-Performing Loans | Current | Substandard | Real estate loans: | Commercial mortgage
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans held-for-investment	2,886	2,806
Non-Performing Loans | Current | Substandard | Real estate loans: | One-to-four family residential mortgage
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans held-for-investment	82	0
Non-Performing Loans | Current | Substandard | Real estate loans: | Home equity and lines of credit
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans held-for-investment	0	186
Non-Performing Loans | Current | Substandard | Commercial and industrial loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans held-for-investment	90	0
Non-Performing Loans | Current | Substandard | Other loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans held-for-investment	0
Non-Performing Loans | Current | Pass | Other loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans held-for-investment		0
Non-Performing Loans | 30-89 Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans held-for-investment	171	457
Non-Performing Loans | 30-89 Days Past Due | Real estate loans:
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans held-for-investment	171	431
Non-Performing Loans | 30-89 Days Past Due | Real estate loans: | Multifamily
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans held-for-investment	0	0
Non-Performing Loans | 30-89 Days Past Due | Real estate loans: | Commercial mortgage
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans held-for-investment	171	431
Non-Performing Loans | 30-89 Days Past Due | Real estate loans: | One-to-four family residential mortgage
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans held-for-investment	0	0
Non-Performing Loans | 30-89 Days Past Due | Real estate loans: | Home equity and lines of credit
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans held-for-investment	0	0
Non-Performing Loans | 30-89 Days Past Due | Commercial and industrial loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans held-for-investment	0	26
Non-Performing Loans | 30-89 Days Past Due | Other loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans held-for-investment	0	0
Non-Performing Loans | 30-89 Days Past Due | Substandard | Real estate loans: | Multifamily
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans held-for-investment	0	0
Non-Performing Loans | 30-89 Days Past Due | Substandard | Real estate loans: | Commercial mortgage
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans held-for-investment	171	431
Non-Performing Loans | 30-89 Days Past Due | Substandard | Real estate loans: | One-to-four family residential mortgage
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans held-for-investment	0	0
Non-Performing Loans | 30-89 Days Past Due | Substandard | Real estate loans: | Home equity and lines of credit
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans held-for-investment	0	0
Non-Performing Loans | 30-89 Days Past Due | Substandard | Commercial and industrial loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans held-for-investment	0	26
Non-Performing Loans | 30-89 Days Past Due | Substandard | Other loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans held-for-investment	0
Non-Performing Loans | 30-89 Days Past Due | Pass | Other loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans held-for-investment		0
Non-Performing Loans | 90 Days or More Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans held-for-investment	4,624	4,441
Non-Performing Loans | 90 Days or More Past Due | Real estate loans:
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans held-for-investment	3,429	3,503
Non-Performing Loans | 90 Days or More Past Due | Real estate loans: | Multifamily
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans held-for-investment	966	1,362
Non-Performing Loans | 90 Days or More Past Due | Real estate loans: | Commercial mortgage
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans held-for-investment	2,336	1,947
Non-Performing Loans | 90 Days or More Past Due | Real estate loans: | One-to-four family residential mortgage
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans held-for-investment	27	118
Non-Performing Loans | 90 Days or More Past Due | Real estate loans: | Home equity and lines of credit
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans held-for-investment	100	76
Non-Performing Loans | 90 Days or More Past Due | Commercial and industrial loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans held-for-investment	1,185	938
Non-Performing Loans | 90 Days or More Past Due | Other loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans held-for-investment	10	0
Non-Performing Loans | 90 Days or More Past Due | Substandard | Real estate loans: | Multifamily
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans held-for-investment	966	1,362
Non-Performing Loans | 90 Days or More Past Due | Substandard | Real estate loans: | Commercial mortgage
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans held-for-investment	2,336	1,947
Non-Performing Loans | 90 Days or More Past Due | Substandard | Real estate loans: | One-to-four family residential mortgage
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans held-for-investment	27	118
Non-Performing Loans | 90 Days or More Past Due | Substandard | Real estate loans: | Home equity and lines of credit
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans held-for-investment	100	76
Non-Performing Loans | 90 Days or More Past Due | Substandard | Commercial and industrial loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans held-for-investment	1,185	938
Non-Performing Loans | 90 Days or More Past Due | Substandard | Other loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans held-for-investment	$ 10
Non-Performing Loans | 90 Days or More Past Due | Pass | Other loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans held-for-investment		$ 0

XML

Loans - Detail and Delinquency Status of Loans Held-for-Investment, Excluding PCD/PCI Loans, Net (Details) - USD ($) $ in Thousands	Jun. 30, 2023	Dec. 31, 2022
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans held-for-investment	$ 4,274,042	$ 4,243,693
90 Days or More Past Due and Accruing	224	425
Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans held-for-investment	4,262,494	4,232,191
90 Days or More Past Due and Accruing	224	425
Real estate loans: | Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans held-for-investment	4,116,517	4,075,261
90 Days or More Past Due and Accruing	224	396
Real estate loans: | Multifamily | Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans held-for-investment	2,814,809	2,824,579
90 Days or More Past Due and Accruing	218	233
Real estate loans: | Multifamily | Pass | Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans held-for-investment	2,805,204	2,815,092
90 Days or More Past Due and Accruing	0	0
Real estate loans: | Multifamily | Special mention | Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans held-for-investment	334
90 Days or More Past Due and Accruing	0
Real estate loans: | Multifamily | Substandard | Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans held-for-investment	9,271	9,487
90 Days or More Past Due and Accruing	218	233
Real estate loans: | Commercial mortgage | Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans held-for-investment	942,980	899,249
90 Days or More Past Due and Accruing	0	8
Real estate loans: | Commercial mortgage | Pass | Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans held-for-investment	928,049	869,681
90 Days or More Past Due and Accruing	0	0
Real estate loans: | Commercial mortgage | Special mention | Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans held-for-investment	733	4,852
90 Days or More Past Due and Accruing	0	0
Real estate loans: | Commercial mortgage | Substandard | Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans held-for-investment	14,198	24,716
90 Days or More Past Due and Accruing	0	8
Real estate loans: | One-to-four family residential mortgage | Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans held-for-investment	170,767	173,946
90 Days or More Past Due and Accruing	6	155
Real estate loans: | One-to-four family residential mortgage | Pass | Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans held-for-investment	168,371	171,472
90 Days or More Past Due and Accruing	0	0
Real estate loans: | One-to-four family residential mortgage | Special mention | Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans held-for-investment	1,670	1,716
90 Days or More Past Due and Accruing	0	0
Real estate loans: | One-to-four family residential mortgage | Substandard | Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans held-for-investment	726	758
90 Days or More Past Due and Accruing	6	155
Real estate loans: | Home equity and lines of credit | Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans held-for-investment	158,517	152,555
90 Days or More Past Due and Accruing	0	0
Real estate loans: | Home equity and lines of credit | Pass | Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans held-for-investment	158,181	152,050
90 Days or More Past Due and Accruing	0	0
Real estate loans: | Home equity and lines of credit | Special mention | Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans held-for-investment	69	70
90 Days or More Past Due and Accruing	0	0
Real estate loans: | Home equity and lines of credit | Substandard | Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans held-for-investment	267	435
90 Days or More Past Due and Accruing	0	0
Real estate loans: | Construction and land | Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans held-for-investment	29,444	24,932
90 Days or More Past Due and Accruing	0	0
Real estate loans: | Construction and land | Pass | Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans held-for-investment	29,444	22,862
90 Days or More Past Due and Accruing	0	0
Real estate loans: | Construction and land | Substandard | Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans held-for-investment		2,070
90 Days or More Past Due and Accruing		0
Commercial and industrial loans | Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans held-for-investment	143,314	154,700
90 Days or More Past Due and Accruing	0	24
Commercial and industrial loans | Pass | Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans held-for-investment	127,107	151,855
90 Days or More Past Due and Accruing	0	0
Commercial and industrial loans | Special mention | Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans held-for-investment	401	386
90 Days or More Past Due and Accruing	0	0
Commercial and industrial loans | Substandard | Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans held-for-investment	15,806	2,459
90 Days or More Past Due and Accruing	0	24
Other loans | Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans held-for-investment	2,663	2,230
90 Days or More Past Due and Accruing	0	5
Other loans | Pass | Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans held-for-investment	2,653	2,230
90 Days or More Past Due and Accruing	0	5
Other loans | Substandard | Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans held-for-investment	10
90 Days or More Past Due and Accruing	0
30-89 Days Past Due | Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans held-for-investment	4,249	4,098
30-89 Days Past Due | Real estate loans: | Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans held-for-investment	1,797	3,022
30-89 Days Past Due | Real estate loans: | Multifamily | Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans held-for-investment	0	189
30-89 Days Past Due | Real estate loans: | Multifamily | Pass | Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans held-for-investment	0	189
30-89 Days Past Due | Real estate loans: | Multifamily | Special mention | Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans held-for-investment	0
30-89 Days Past Due | Real estate loans: | Multifamily | Substandard | Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans held-for-investment	0	0
30-89 Days Past Due | Real estate loans: | Commercial mortgage | Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans held-for-investment	974	1,331
30-89 Days Past Due | Real estate loans: | Commercial mortgage | Pass | Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans held-for-investment	185	726
30-89 Days Past Due | Real estate loans: | Commercial mortgage | Special mention | Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans held-for-investment	0	0
30-89 Days Past Due | Real estate loans: | Commercial mortgage | Substandard | Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans held-for-investment	789	605
30-89 Days Past Due | Real estate loans: | One-to-four family residential mortgage | Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans held-for-investment	567	672
30-89 Days Past Due | Real estate loans: | One-to-four family residential mortgage | Pass | Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans held-for-investment	365	603
30-89 Days Past Due | Real estate loans: | One-to-four family residential mortgage | Special mention | Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans held-for-investment	67	69
30-89 Days Past Due | Real estate loans: | One-to-four family residential mortgage | Substandard | Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans held-for-investment	135	0
30-89 Days Past Due | Real estate loans: | Home equity and lines of credit | Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans held-for-investment	256	830
30-89 Days Past Due | Real estate loans: | Home equity and lines of credit | Pass | Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans held-for-investment	165	657
30-89 Days Past Due | Real estate loans: | Home equity and lines of credit | Special mention | Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans held-for-investment	0	0
30-89 Days Past Due | Real estate loans: | Home equity and lines of credit | Substandard | Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans held-for-investment	91	173
30-89 Days Past Due | Real estate loans: | Construction and land | Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans held-for-investment	0	0
30-89 Days Past Due | Real estate loans: | Construction and land | Pass | Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans held-for-investment	0	0
30-89 Days Past Due | Real estate loans: | Construction and land | Substandard | Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans held-for-investment		0
30-89 Days Past Due | Commercial and industrial loans | Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans held-for-investment	2,452	1,071
30-89 Days Past Due | Commercial and industrial loans | Pass | Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans held-for-investment	2,036	573
30-89 Days Past Due | Commercial and industrial loans | Special mention | Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans held-for-investment	44	0
30-89 Days Past Due | Commercial and industrial loans | Substandard | Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans held-for-investment	372	498
30-89 Days Past Due | Other loans | Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans held-for-investment	0	5
30-89 Days Past Due | Other loans | Pass | Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans held-for-investment	0	5
30-89 Days Past Due | Other loans | Substandard | Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans held-for-investment	0
90 Days or More Past Due | Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans held-for-investment	4,624	4,441
90 Days or More Past Due | Real estate loans: | Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans held-for-investment	3,429	3,503
90 Days or More Past Due | Real estate loans: | Multifamily | Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans held-for-investment	966	1,362
90 Days or More Past Due | Real estate loans: | Multifamily | Pass | Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans held-for-investment	0	0
90 Days or More Past Due | Real estate loans: | Multifamily | Special mention | Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans held-for-investment	0
90 Days or More Past Due | Real estate loans: | Multifamily | Substandard | Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans held-for-investment	966	1,362
90 Days or More Past Due | Real estate loans: | Commercial mortgage | Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans held-for-investment	2,336	1,947
90 Days or More Past Due | Real estate loans: | Commercial mortgage | Pass | Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans held-for-investment	0	0
90 Days or More Past Due | Real estate loans: | Commercial mortgage | Special mention | Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans held-for-investment	0	0
90 Days or More Past Due | Real estate loans: | Commercial mortgage | Substandard | Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans held-for-investment	2,336	1,947
90 Days or More Past Due | Real estate loans: | One-to-four family residential mortgage | Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans held-for-investment	27	118
90 Days or More Past Due | Real estate loans: | One-to-four family residential mortgage | Pass | Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans held-for-investment	0	0
90 Days or More Past Due | Real estate loans: | One-to-four family residential mortgage | Special mention | Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans held-for-investment	0	0
90 Days or More Past Due | Real estate loans: | One-to-four family residential mortgage | Substandard | Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans held-for-investment	27	118
90 Days or More Past Due | Real estate loans: | Home equity and lines of credit | Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans held-for-investment	100	76
90 Days or More Past Due | Real estate loans: | Home equity and lines of credit | Pass | Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans held-for-investment	0	0
90 Days or More Past Due | Real estate loans: | Home equity and lines of credit | Special mention | Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans held-for-investment	0	0
90 Days or More Past Due | Real estate loans: | Home equity and lines of credit | Substandard | Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans held-for-investment	100	76
90 Days or More Past Due | Real estate loans: | Construction and land | Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans held-for-investment	0	0
90 Days or More Past Due | Real estate loans: | Construction and land | Pass | Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans held-for-investment	0	0
90 Days or More Past Due | Real estate loans: | Construction and land | Substandard | Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans held-for-investment		0
90 Days or More Past Due | Commercial and industrial loans | Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans held-for-investment	1,185	938
90 Days or More Past Due | Commercial and industrial loans | Pass | Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans held-for-investment	0	0
90 Days or More Past Due | Commercial and industrial loans | Special mention | Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans held-for-investment	0	0
90 Days or More Past Due | Commercial and industrial loans | Substandard | Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans held-for-investment	1,185	938
90 Days or More Past Due | Other loans | Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans held-for-investment	10	0
90 Days or More Past Due | Other loans | Pass | Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans held-for-investment	0	0
90 Days or More Past Due | Other loans | Substandard | Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans held-for-investment	10
Total Past Due | Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans held-for-investment	9,097	8,964
Total Past Due | Real estate loans: | Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans held-for-investment	5,450	6,921
Total Past Due | Real estate loans: | Multifamily | Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans held-for-investment	1,184	1,784
Total Past Due | Real estate loans: | Multifamily | Pass | Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans held-for-investment	0	189
Total Past Due | Real estate loans: | Multifamily | Special mention | Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans held-for-investment	0
Total Past Due | Real estate loans: | Multifamily | Substandard | Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans held-for-investment	1,184	1,595
Total Past Due | Real estate loans: | Commercial mortgage | Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans held-for-investment	3,310	3,286
Total Past Due | Real estate loans: | Commercial mortgage | Pass | Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans held-for-investment	185	726
Total Past Due | Real estate loans: | Commercial mortgage | Special mention | Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans held-for-investment	0	0
Total Past Due | Real estate loans: | Commercial mortgage | Substandard | Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans held-for-investment	3,125	2,560
Total Past Due | Real estate loans: | One-to-four family residential mortgage | Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans held-for-investment	600	945
Total Past Due | Real estate loans: | One-to-four family residential mortgage | Pass | Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans held-for-investment	365	603
Total Past Due | Real estate loans: | One-to-four family residential mortgage | Special mention | Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans held-for-investment	67	69
Total Past Due | Real estate loans: | One-to-four family residential mortgage | Substandard | Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans held-for-investment	168	273
Total Past Due | Real estate loans: | Home equity and lines of credit | Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans held-for-investment	356	906
Total Past Due | Real estate loans: | Home equity and lines of credit | Pass | Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans held-for-investment	165	657
Total Past Due | Real estate loans: | Home equity and lines of credit | Special mention | Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans held-for-investment	0	0
Total Past Due | Real estate loans: | Home equity and lines of credit | Substandard | Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans held-for-investment	191	249
Total Past Due | Real estate loans: | Construction and land | Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans held-for-investment	0	0
Total Past Due | Real estate loans: | Construction and land | Pass | Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans held-for-investment	0	0
Total Past Due | Real estate loans: | Construction and land | Substandard | Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans held-for-investment		0
Total Past Due | Commercial and industrial loans | Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans held-for-investment	3,637	2,033
Total Past Due | Commercial and industrial loans | Pass | Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans held-for-investment	2,036	573
Total Past Due | Commercial and industrial loans | Special mention | Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans held-for-investment	44	0
Total Past Due | Commercial and industrial loans | Substandard | Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans held-for-investment	1,557	1,460
Total Past Due | Other loans | Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans held-for-investment	10	10
Total Past Due | Other loans | Pass | Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans held-for-investment	0	10
Total Past Due | Other loans | Substandard | Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans held-for-investment	10
Current | Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans held-for-investment	4,253,397	4,223,227
Current | Real estate loans: | Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans held-for-investment	4,111,067	4,068,340
Current | Real estate loans: | Multifamily | Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans held-for-investment	2,813,625	2,822,795
Current | Real estate loans: | Multifamily | Pass | Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans held-for-investment	2,805,204	2,814,903
Current | Real estate loans: | Multifamily | Special mention | Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans held-for-investment	334
Current | Real estate loans: | Multifamily | Substandard | Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans held-for-investment	8,087	7,892
Current | Real estate loans: | Commercial mortgage | Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans held-for-investment	939,670	895,963
Current | Real estate loans: | Commercial mortgage | Pass | Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans held-for-investment	927,864	868,955
Current | Real estate loans: | Commercial mortgage | Special mention | Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans held-for-investment	733	4,852
Current | Real estate loans: | Commercial mortgage | Substandard | Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans held-for-investment	11,073	22,156
Current | Real estate loans: | One-to-four family residential mortgage | Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans held-for-investment	170,167	173,001
Current | Real estate loans: | One-to-four family residential mortgage | Pass | Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans held-for-investment	168,006	170,869
Current | Real estate loans: | One-to-four family residential mortgage | Special mention | Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans held-for-investment	1,603	1,647
Current | Real estate loans: | One-to-four family residential mortgage | Substandard | Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans held-for-investment	558	485
Current | Real estate loans: | Home equity and lines of credit | Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans held-for-investment	158,161	151,649
Current | Real estate loans: | Home equity and lines of credit | Pass | Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans held-for-investment	158,016	151,393
Current | Real estate loans: | Home equity and lines of credit | Special mention | Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans held-for-investment	69	70
Current | Real estate loans: | Home equity and lines of credit | Substandard | Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans held-for-investment	76	186
Current | Real estate loans: | Construction and land | Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans held-for-investment	29,444	24,932
Current | Real estate loans: | Construction and land | Pass | Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans held-for-investment	29,444	22,862
Current | Real estate loans: | Construction and land | Substandard | Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans held-for-investment		2,070
Current | Commercial and industrial loans | Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans held-for-investment	139,677	152,667
Current | Commercial and industrial loans | Pass | Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans held-for-investment	125,071	151,282
Current | Commercial and industrial loans | Special mention | Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans held-for-investment	357	386
Current | Commercial and industrial loans | Substandard | Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans held-for-investment	14,249	999
Current | Other loans | Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans held-for-investment	2,653	2,220
Current | Other loans | Pass | Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans held-for-investment	2,653	$ 2,220
Current | Other loans | Substandard | Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans held-for-investment	$ 0

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Loans - Non-Accrual Loans, Excluding PCD Loans (Details) - USD ($) $ in Thousands	Jun. 30, 2023	Dec. 31, 2022
Financing Receivable, Allowance for Credit Loss [Line Items]
Recorded Investment	$ 10,110	$ 9,813
Unpaid Principal Balance	12,336	10,851
With No Related Allowance	5,142	5,186
Real estate loans: | Multifamily
Financing Receivable, Allowance for Credit Loss [Line Items]
Recorded Investment	3,223	3,285
Unpaid Principal Balance	3,510	3,294
With No Related Allowance	2,042	2,050
Real estate loans: | Commercial
Financing Receivable, Allowance for Credit Loss [Line Items]
Recorded Investment	5,393	5,184
Unpaid Principal Balance	5,848	5,639
With No Related Allowance	3,031	3,069
Real estate loans: | One-to-four family residential mortgage
Financing Receivable, Allowance for Credit Loss [Line Items]
Recorded Investment	109	118
Unpaid Principal Balance	109	118
With No Related Allowance	0	0
Real estate loans: | Home equity and lines of credit
Financing Receivable, Allowance for Credit Loss [Line Items]
Recorded Investment	100	262
Unpaid Principal Balance	349	512
With No Related Allowance	0	0
Commercial and industrial
Financing Receivable, Allowance for Credit Loss [Line Items]
Recorded Investment	1,275	964
Unpaid Principal Balance	2,511	1,288
With No Related Allowance	69	$ 67
Other loans
Financing Receivable, Allowance for Credit Loss [Line Items]
Recorded Investment	10
Unpaid Principal Balance	9
With No Related Allowance	$ 0

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Loans - Interest Income on Non-Accrual Loans, Excluding PCD Loans (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Financing Receivable, Impaired [Line Items]
Total interest income on non-accrual loans	$ 160	$ 119	$ 258	$ 159
Real estate loans: | Multifamily
Financing Receivable, Impaired [Line Items]
Total interest income on non-accrual loans	56	24	103	48
Real estate loans: | Commercial
Financing Receivable, Impaired [Line Items]
Total interest income on non-accrual loans	74	70	120	82
Real estate loans: | One-to-four family residential mortgage
Financing Receivable, Impaired [Line Items]
Total interest income on non-accrual loans	1	7	5	10
Real estate loans: | Home equity and lines of credit
Financing Receivable, Impaired [Line Items]
Total interest income on non-accrual loans	1	11	1	11
Commercial and industrial
Financing Receivable, Impaired [Line Items]
Total interest income on non-accrual loans	$ 28	$ 7	$ 29	$ 8

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Loans - Amortized Cost Basis of Loan Modifications (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
	Jun. 30, 2023	Jun. 30, 2023
Financing Receivable, Modified [Line Items]
Total loans	$ 600	$ 600
Percent of Total Class	0.06%	0.06%
Payment Delay
Financing Receivable, Modified [Line Items]
Total loans	$ 65	$ 65
Payment Delay and Interest Rate Reduction
Financing Receivable, Modified [Line Items]
Total loans	210	210
Payment Delay, Term Extension, and Interest Rate Reductions
Financing Receivable, Modified [Line Items]
Total loans	325	325
Commercial mortgage
Financing Receivable, Modified [Line Items]
Total loans	$ 65	$ 65
Percent of Total Class	0.01%	0.01%
Commercial mortgage | Payment Delay
Financing Receivable, Modified [Line Items]
Total loans	$ 65	$ 65
Commercial mortgage | Payment Delay and Interest Rate Reduction
Financing Receivable, Modified [Line Items]
Total loans	0	0
Commercial mortgage | Payment Delay, Term Extension, and Interest Rate Reductions
Financing Receivable, Modified [Line Items]
Total loans	0	0
Commercial and industrial loans
Financing Receivable, Modified [Line Items]
Total loans	$ 535	$ 535
Percent of Total Class	0.37%	0.37%
Commercial and industrial loans | Payment Delay
Financing Receivable, Modified [Line Items]
Total loans	$ 0	$ 0
Commercial and industrial loans | Payment Delay and Interest Rate Reduction
Financing Receivable, Modified [Line Items]
Total loans	210	210
Commercial and industrial loans | Payment Delay, Term Extension, and Interest Rate Reductions
Financing Receivable, Modified [Line Items]
Total loans	$ 325	$ 325

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Loans - Financial Effect of Loan Modifications (Details)	3 Months Ended	6 Months Ended
	Jun. 30, 2023	Jun. 30, 2023
Receivables [Abstract]
Weighted-Average Term Extension (in months)	32 months	32 months
Weighted-Average Interest Rate Reduction	(4.65%)	(4.65%)

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Loans - Aging Analysis of Loan Modifications (Details) $ in Thousands	Jun. 30, 2023 USD ($)
Financing Receivable, Modified [Line Items]
Total loans	$ 600
Current
Financing Receivable, Modified [Line Items]
Total loans	459
30-89 Days Past Due
Financing Receivable, Modified [Line Items]
Total loans	141
90 Days or More Past Due
Financing Receivable, Modified [Line Items]
Total loans	0
Total Past Due
Financing Receivable, Modified [Line Items]
Total loans	0
Commercial mortgage
Financing Receivable, Modified [Line Items]
Total loans	65
Commercial mortgage | Current
Financing Receivable, Modified [Line Items]
Total loans	0
Commercial mortgage | 30-89 Days Past Due
Financing Receivable, Modified [Line Items]
Total loans	65
Commercial mortgage | 90 Days or More Past Due
Financing Receivable, Modified [Line Items]
Total loans	0
Commercial mortgage | Total Past Due
Financing Receivable, Modified [Line Items]
Total loans	0
Commercial and industrial
Financing Receivable, Modified [Line Items]
Total loans	535
Commercial and industrial | Current
Financing Receivable, Modified [Line Items]
Total loans	459
Commercial and industrial | 30-89 Days Past Due
Financing Receivable, Modified [Line Items]
Total loans	76
Commercial and industrial | 90 Days or More Past Due
Financing Receivable, Modified [Line Items]
Total loans	0
Commercial and industrial | Total Past Due
Financing Receivable, Modified [Line Items]
Total loans	$ 0

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Loans - Narrative, Collateral-Dependent Loans (Details) - USD ($) $ in Thousands	Jun. 30, 2023	Dec. 31, 2022
Financing Receivable, Allowance for Credit Loss [Line Items]
Collateral-dependent impaired loans	$ 7,200	$ 7,400
Real estate loans: | Commercial mortgage
Financing Receivable, Allowance for Credit Loss [Line Items]
Collateral-dependent impaired loans	4,800
Real estate loans: | Multifamily
Financing Receivable, Allowance for Credit Loss [Line Items]
Collateral-dependent impaired loans	2,000
Real estate loans: | One-to-four family residential mortgage
Financing Receivable, Allowance for Credit Loss [Line Items]
Collateral-dependent impaired loans	$ 314

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Loans - Narrative, Troubled Debt Restructurings (Details) $ in Millions	3 Months Ended	6 Months Ended
	Jun. 30, 2022 contract	Jun. 30, 2022 contract	Dec. 31, 2022 USD ($)
Receivables [Abstract]
Number of contracts	0	0
Troubled debt restructurings | $			$ 7.0
Number of TDR loans restructured that subsequently defaulted (contract)		0

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Allowance for Credit Losses (“ACL”) on Loans - Narrative (Details) - USD ($)	6 Months Ended	12 Months Ended
	Jun. 30, 2023	Dec. 31, 2022
Financing Receivable, Allowance for Credit Loss [Line Items]
Individually evaluated for impairment threshold	$ 500,000
Individually evaluated for impairment	44,900	$ 38,200
Accounting Standards Update 2016-13
Financing Receivable, Allowance for Credit Loss [Line Items]
Allowance for credit loss	(41,200,000)	$ (42,600,000)
Allowance for credit loss, current	$ 13,800,000

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Allowance for Credit Losses (“ACL”) on Loans - Allowance for Credit Losses for Off-Balance Sheet Credit (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Off-Balance Sheet, Credit Loss, Liability [Roll Forward]
Beginning balance	$ 902	$ 2,131	$ 791	$ 1,852
Provision for credit losses	(661)	349	(550)	628
Ending balance	$ 241	$ 2,480	$ 241	$ 2,480

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Allowance for Credit Losses (“ACL”) on Loans - Amount of Loans Receivable Held-for-Investment and Related Allowances Per Loan Portfolio Segment (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022	Dec. 31, 2022
Allowance for Loan and Lease Losses [Roll Forward]
Beginning balance	$ 41,436,000	$ 39,274,000	$ 42,617,000	$ 38,973,000
Charge-offs	(355,000)	(525,000)	(2,419,000)	(710,000)
Recoveries	43,000	133,000	62,000	216,000
Provisions (credit)	30,000	149,000	894,000	552,000
Ending balance	41,154,000	39,031,000	41,154,000	39,031,000
Originated Loans Net
Ending balance: individually evaluated for impairment	44,900		44,900		$ 38,200
Ending balance: collectively evaluated for impairment	37,383,000		37,383,000		38,696,000
Ending balance: PCD loans evaluated for impairment	3,726,000		3,726,000		3,883,000
Ending balance	4,274,042,000		4,274,042,000		4,243,693,000
Ending balance: individually evaluated for impairment	8,666,000		8,666,000		8,939,000
Ending balance: collectively evaluated for impairment	4,253,462,000		4,253,462,000		4,218,109,000
Ending balance: PCD loans evaluated for impairment	11,548,000		11,548,000		11,502,000
PPP loans not evaluated for impairment	366,000		366,000		5,143,000
Financial Asset, Other than Financial Asset Acquired with Credit Deterioration
Allowance for Loan and Lease Losses [Roll Forward]
Beginning balance	37,674,000	34,644,000	38,734,000	34,241,000
Charge-offs	(355,000)	0	(2,411,000)	(185,000)
Recoveries	43,000	133,000	62,000	216,000
Provisions (credit)	66,000	96,000	1,043,000	601,000
Ending balance	37,428,000	34,873,000	37,428,000	34,873,000
Originated Loans Net
Ending balance: individually evaluated for impairment	45,000		45,000		38,000
Ending balance: collectively evaluated for impairment	37,383,000		37,383,000		38,696,000
Ending balance: PCD loans evaluated for impairment	0		0		0
Ending balance	4,262,494,000		4,262,494,000		4,232,191,000
Ending balance: individually evaluated for impairment	8,666,000		8,666,000		8,939,000
Ending balance: collectively evaluated for impairment	4,253,462,000		4,253,462,000		4,218,109,000
Ending balance: PCD loans evaluated for impairment	0		0		0
PPP loans not evaluated for impairment	366,000		366,000		5,143,000
Financial Asset, Other than Financial Asset Acquired with Credit Deterioration | Real Estate
Originated Loans Net
Ending balance	4,116,517,000		4,116,517,000		4,075,261,000
Financial Asset, Other than Financial Asset Acquired with Credit Deterioration | Commercial and industrial loans
Allowance for Loan and Lease Losses [Roll Forward]
Beginning balance	4,366,000	2,954,000	4,114,000	3,173,000
Charge-offs	(355,000)	0	(2,411,000)	(185,000)
Recoveries	13,000	114,000	27,000	119,000
Provisions (credit)	3,271,000	(363,000)	5,565,000	(402,000)
Ending balance	7,295,000	2,705,000	7,295,000	2,705,000
Originated Loans Net
Ending balance: individually evaluated for impairment	18,000		18,000		18,000
Ending balance: collectively evaluated for impairment	7,277,000		7,277,000		4,096,000
Ending balance: PCD loans evaluated for impairment	0		0		0
Ending balance	143,314,000		143,314,000		154,700,000
Ending balance: individually evaluated for impairment	89,000		89,000		94,000
Ending balance: collectively evaluated for impairment	142,859,000		142,859,000		149,463,000
Ending balance: PCD loans evaluated for impairment	0		0		0
PPP loans not evaluated for impairment	366,000		366,000		5,143,000
Financial Asset, Other than Financial Asset Acquired with Credit Deterioration | Other loans
Allowance for Loan and Lease Losses [Roll Forward]
Beginning balance	7,000	9,000	9,000	9,000
Charge-offs	0	0	0	0
Recoveries	0	0	0	0
Provisions (credit)	0	2,000	(2,000)	2,000
Ending balance	7,000	11,000	7,000	11,000
Originated Loans Net
Ending balance: individually evaluated for impairment	0		0		0
Ending balance: collectively evaluated for impairment	7,000		7,000		9,000
Ending balance: PCD loans evaluated for impairment	0		0		0
Ending balance	2,663,000		2,663,000		2,230,000
Ending balance: individually evaluated for impairment	0		0		0
Ending balance: collectively evaluated for impairment	2,663,000		2,663,000		2,230,000
Ending balance: PCD loans evaluated for impairment	0		0		0
PPP loans not evaluated for impairment	0		0		0
PCD loans
Allowance for Loan and Lease Losses [Roll Forward]
Beginning balance	3,762,000	4,630,000	3,883,000	4,732,000
Charge-offs	0	(525,000)	(8,000)	(525,000)
Recoveries	0	0	0	0
Provisions (credit)	(36,000)	53,000	(149,000)	(49,000)
Ending balance	3,726,000	4,158,000	3,726,000	4,158,000
Originated Loans Net
Ending balance: individually evaluated for impairment	0		0		0
Ending balance: collectively evaluated for impairment	0		0		0
Ending balance: PCD loans evaluated for impairment	3,726,000		3,726,000		3,883,000
Ending balance	11,548,000		11,548,000		11,502,000
Ending balance: individually evaluated for impairment	0		0		0
Ending balance: collectively evaluated for impairment	0		0		0
Ending balance: PCD loans evaluated for impairment	11,548,000		11,548,000		11,502,000
PPP loans not evaluated for impairment	0		0		0
Commercial | Financial Asset, Other than Financial Asset Acquired with Credit Deterioration | Real Estate
Allowance for Loan and Lease Losses [Roll Forward]
Beginning balance	28,030,000	27,247,000	29,485,000	26,785,000
Charge-offs	0	0	0	0
Recoveries	29,000	19,000	34,000	97,000
Provisions (credit)	(3,326,000)	799,000	(4,786,000)	1,183,000
Ending balance	24,733,000	28,065,000	24,733,000	28,065,000
Originated Loans Net
Ending balance: individually evaluated for impairment	24,000		24,000		18,000
Ending balance: collectively evaluated for impairment	24,709,000		24,709,000		29,467,000
Ending balance: PCD loans evaluated for impairment	0		0		0
Ending balance	3,757,789,000		3,757,789,000		3,723,828,000
Ending balance: individually evaluated for impairment	7,916,000		7,916,000		8,152,000
Ending balance: collectively evaluated for impairment	3,749,873,000		3,749,873,000		3,715,676,000
Ending balance: PCD loans evaluated for impairment	0		0		0
PPP loans not evaluated for impairment	0		0		0
One-to-four family residential mortgage | Financial Asset, Other than Financial Asset Acquired with Credit Deterioration | Real Estate
Allowance for Loan and Lease Losses [Roll Forward]
Beginning balance	3,587,000	3,589,000	3,936,000	3,545,000
Charge-offs	0	0	0	0
Recoveries	0	0	0	0
Provisions (credit)	227,000	(584,000)	(122,000)	(540,000)
Ending balance	3,814,000	3,005,000	3,814,000	3,005,000
Originated Loans Net
Ending balance: individually evaluated for impairment	0		0		0
Ending balance: collectively evaluated for impairment	3,814,000		3,814,000		3,936,000
Ending balance: PCD loans evaluated for impairment	0		0		0
Ending balance	170,767,000		170,767,000		173,946,000
Ending balance: individually evaluated for impairment	636,000		636,000		666,000
Ending balance: collectively evaluated for impairment	170,131,000		170,131,000		173,280,000
Ending balance: PCD loans evaluated for impairment	0		0		0
PPP loans not evaluated for impairment	0		0		0
Home equity and lines of credit | Financial Asset, Other than Financial Asset Acquired with Credit Deterioration | Real Estate
Allowance for Loan and Lease Losses [Roll Forward]
Beginning balance	1,398,000	679,000	866,000	560,000
Charge-offs	0	0	0	0
Recoveries	1,000	0	1,000	0
Provisions (credit)	(121,000)	123,000	411,000	242,000
Ending balance	1,278,000	802,000	1,278,000	802,000
Originated Loans Net
Ending balance: individually evaluated for impairment	3,000		3,000		2,000
Ending balance: collectively evaluated for impairment	1,275,000		1,275,000		864,000
Ending balance: PCD loans evaluated for impairment	0		0		0
Ending balance	158,517,000		158,517,000		152,555,000
Ending balance: individually evaluated for impairment	25,000		25,000		27,000
Ending balance: collectively evaluated for impairment	158,492,000		158,492,000		152,528,000
Ending balance: PCD loans evaluated for impairment	0		0		0
PPP loans not evaluated for impairment	0		0		0
Construction and land | Financial Asset, Other than Financial Asset Acquired with Credit Deterioration | Real Estate
Allowance for Loan and Lease Losses [Roll Forward]
Beginning balance	286,000	166,000	324,000	169,000
Charge-offs	0	0	0	0
Recoveries	0	0	0	0
Provisions (credit)	15,000	119,000	(23,000)	116,000
Ending balance	301,000	$ 285,000	301,000	$ 285,000
Originated Loans Net
Ending balance: individually evaluated for impairment	0		0		0
Ending balance: collectively evaluated for impairment	301,000		301,000		324,000
Ending balance: PCD loans evaluated for impairment	0		0		0
Ending balance	29,444,000		29,444,000		24,932,000
Ending balance: individually evaluated for impairment	0		0		0
Ending balance: collectively evaluated for impairment	29,444,000		29,444,000		24,932,000
Ending balance: PCD loans evaluated for impairment	0		0		0
PPP loans not evaluated for impairment	$ 0		$ 0		$ 0

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Deposits - Deposit Account Balances (Details) - USD ($) $ in Thousands	Jun. 30, 2023	Dec. 31, 2022
Deposits [Abstract]
Non-interest-bearing checking	$ 754,498	$ 852,660
Negotiable orders of withdrawal ("NOW") and interest-bearing checking	1,116,000	1,132,290
Savings and money market	1,239,673	1,425,247
Certificates of deposit	654,232	740,022
Total deposits	$ 3,764,403	$ 4,150,219

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Deposits - Interest Expense On Deposits (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Deposits [Abstract]
NOW and interest-bearing checking, savings, and money market	$ 6,486	$ 599	$ 10,329	$ 1,170
Certificates of deposit	3,997	735	7,975	1,323
Total interest expense on deposit accounts	$ 10,483	$ 1,334	$ 18,304	$ 2,493

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Subordinated Debt (Details) - USD ($) $ in Thousands		3 Months Ended	6 Months Ended
	Jun. 17, 2022	Jun. 30, 2023	Jun. 30, 2023	Jun. 30, 2022	Dec. 31, 2022
Debt Instrument [Line Items]
Subordinated debentures, net of issuance costs		$ 61,108	$ 61,108		$ 60,996
Amortization expense			$ 112	$ 0
Subordinated Debt
Debt Instrument [Line Items]
Subordinated debentures, net of issuance costs	$ 62,000
Subordinated notes interest rate			5.00%
Debt issuance costs	$ 1,100
Amortization expense		$ 56	$ 112
Secured Overnight Financing Rate (SOFR) | Subordinated Debt
Debt Instrument [Line Items]
Basis points	2.00%

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Equity Incentive Plans - Stock Options Outstanding (Details) - $ / shares	6 Months Ended	12 Months Ended
	Jun. 30, 2023	Dec. 31, 2022
Number of Stock Options
Beginning Balance (in shares)	1,582,826
Forfeited (in shares)	(10,900)
Exercised (in shares)	(7,600)
Ending Balance (in shares)	1,564,326	1,582,826
Exercisable (in shares)	1,564,326
Weighted Average Grant Date Fair Value
Beginning Balance (usd per share)	$ 4.03
Forfeited (usd per share)	3.98
Exercised (usd per share)	3.91
Ending Balance (usd per share)	4.03	$ 4.03
Exercisable (usd per share)	4.03
Weighted Average Exercise Price
Beginning Balance (usd per share)	14.04
Forfeited (usd per share)	13.80
Exercised (usd per share)	13.13
Ending Balance (usd per share)	14.05	$ 14.04
Exercisable (usd per share)	$ 14.05
Weighted Average Contractual Life (years)
Outstanding	1 year 6 months 3 days	2 years 3 days
Exercisable	1 year 6 months 3 days

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Equity Incentive Plans - Narrative (Details) - USD ($) $ in Thousands		3 Months Ended		6 Months Ended
	Jan. 27, 2023	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted (in shares)				192,249
Allocated share-based compensation expense		$ 507	$ 449	$ 1,200	$ 845
Performance Shares | Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Percentage of shares issuable based on threshold performance	0.00%
Performance Shares | Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Percentage of shares issuable based on threshold performance	120.00%
Restricted Share Awards And Performance-Based Restricted Stock Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Expected future stock-based compensation expense		$ 4,300		$ 4,300
Average period of expected future stock option expense				2 years 1 month 6 days
2019 Equity Incentive Plan | Restricted Stock Units (RSUs)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted (in shares)	157,525
Grant date value	$ 2,300
2019 Equity Incentive Plan | Restricted Stock Units (RSUs) | Share-based Payment Arrangement, Tranche One
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted (in shares)	33,813
Award vesting period	1 year
2019 Equity Incentive Plan | Restricted Stock Units (RSUs) | Share-based Payment Arrangement, Tranche Two
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted (in shares)	123,712
Award vesting period	3 years
Period after grant date to begin vesting period	1 year
2019 Equity Incentive Plan | Performance Shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted (in shares)	34,724
Grant date value	$ 499
Award vesting period	3 years

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Equity Incentive Plans - Status of the Company's Restricted Share Awards And Performance-Based Restricted Stock Units (Details)	6 Months Ended
	Jun. 30, 2023 $ / shares shares
Number of Shares Awarded
Beginning Balance (in shares) | shares	321,501
Granted (in shares) | shares	192,249
Incremental performance-based restricted stock units earned share (in shares) | shares	10,353
Vested (in shares) | shares	(124,586)
Forfeited (in shares) | shares	(35,157)
Ending Balance (in shares) | shares	364,360
Weighted Average Grant Date Fair Value
Beginning Balance (in dollars per share) | $ / shares	$ 14.66
Granted (usd per share) | $ / shares	14.37
Incremental performance-based restricted stock units earned share (usd per share) | $ / shares	0
Vested (usd per share) | $ / shares	15.27
Forfeited (usd per share) | $ / shares	14.33
Ending Balance (in dollars per share) | $ / shares	$ 14.36

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Fair Value Measurements - Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis (Details) - USD ($) $ in Thousands	Jun. 30, 2023	Dec. 31, 2022
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Debt securities available-for-sale	$ 802,257	$ 952,173
Trading securities	11,731	10,751
Individually evaluated loans	4,466	4,640
Investment measured at fair value	10,000	10,100
U.S. Government agency securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Debt securities available-for-sale	72,086	72,076
Pass-through certificates, GSE
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Debt securities available-for-sale	378,559	432,618
Other debt securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Debt securities available-for-sale	115,566	182,755
Measured on a recurring basis
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Debt securities available-for-sale	802,257	952,173
Trading securities	11,731	10,751
Equity securities	653	361
Total	814,641	963,285
Measured on a recurring basis | U.S. Government agency securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Debt securities available-for-sale	72,086	72,076
Measured on a recurring basis | Mortgage-backed securities:
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Debt securities available-for-sale	614,605	697,342
Measured on a recurring basis | Pass-through certificates, GSE
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Debt securities available-for-sale	378,559	432,618
Measured on a recurring basis | REMICs, GSE
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Debt securities available-for-sale	236,046	264,724
Measured on a recurring basis | Municipal bonds
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Debt securities available-for-sale		21
Measured on a recurring basis | Corporate bonds
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Debt securities available-for-sale	115,566	182,734
Measured on a recurring basis | Other debt securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Debt securities available-for-sale	115,566	182,755
Measured on a recurring basis | Quoted Prices in Active Markets for Identical Assets (Level 1)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Debt securities available-for-sale	0	0
Trading securities	11,731	10,751
Equity securities	653	361
Total	12,384	11,112
Measured on a recurring basis | Quoted Prices in Active Markets for Identical Assets (Level 1) | U.S. Government agency securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Debt securities available-for-sale	0	0
Measured on a recurring basis | Quoted Prices in Active Markets for Identical Assets (Level 1) | Mortgage-backed securities:
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Debt securities available-for-sale	0	0
Measured on a recurring basis | Quoted Prices in Active Markets for Identical Assets (Level 1) | Pass-through certificates, GSE
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Debt securities available-for-sale	0	0
Measured on a recurring basis | Quoted Prices in Active Markets for Identical Assets (Level 1) | REMICs, GSE
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Debt securities available-for-sale	0	0
Measured on a recurring basis | Quoted Prices in Active Markets for Identical Assets (Level 1) | Municipal bonds
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Debt securities available-for-sale		0
Measured on a recurring basis | Quoted Prices in Active Markets for Identical Assets (Level 1) | Corporate bonds
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Debt securities available-for-sale	0	0
Measured on a recurring basis | Quoted Prices in Active Markets for Identical Assets (Level 1) | Other debt securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Debt securities available-for-sale	0	0
Measured on a recurring basis | Significant Other Observable Inputs (Level 2)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Debt securities available-for-sale	802,257	952,173
Trading securities	0	0
Equity securities	0	0
Total	802,257	952,173
Measured on a recurring basis | Significant Other Observable Inputs (Level 2) | U.S. Government agency securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Debt securities available-for-sale	72,086	72,076
Measured on a recurring basis | Significant Other Observable Inputs (Level 2) | Mortgage-backed securities:
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Debt securities available-for-sale	614,605	697,342
Measured on a recurring basis | Significant Other Observable Inputs (Level 2) | Pass-through certificates, GSE
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Debt securities available-for-sale	378,559	432,618
Measured on a recurring basis | Significant Other Observable Inputs (Level 2) | REMICs, GSE
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Debt securities available-for-sale	236,046	264,724
Measured on a recurring basis | Significant Other Observable Inputs (Level 2) | Municipal bonds
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Debt securities available-for-sale		21
Measured on a recurring basis | Significant Other Observable Inputs (Level 2) | Corporate bonds
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Debt securities available-for-sale	115,566	182,734
Measured on a recurring basis | Significant Other Observable Inputs (Level 2) | Other debt securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Debt securities available-for-sale	115,566	182,755
Measured on a recurring basis | Significant Unobservable Inputs (Level 3)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Debt securities available-for-sale	0	0
Trading securities	0	0
Equity securities	0	0
Total	0	0
Measured on a recurring basis | Significant Unobservable Inputs (Level 3) | U.S. Government agency securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Debt securities available-for-sale	0	0
Measured on a recurring basis | Significant Unobservable Inputs (Level 3) | Mortgage-backed securities:
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Debt securities available-for-sale	0	0
Measured on a recurring basis | Significant Unobservable Inputs (Level 3) | Pass-through certificates, GSE
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Debt securities available-for-sale	0	0
Measured on a recurring basis | Significant Unobservable Inputs (Level 3) | REMICs, GSE
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Debt securities available-for-sale	0	0
Measured on a recurring basis | Significant Unobservable Inputs (Level 3) | Municipal bonds
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Debt securities available-for-sale		0
Measured on a recurring basis | Significant Unobservable Inputs (Level 3) | Corporate bonds
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Debt securities available-for-sale	0	0
Measured on a recurring basis | Significant Unobservable Inputs (Level 3) | Other debt securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Debt securities available-for-sale	0	0
Measured on a non-recurring basis
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total	4,466	4,640
Measured on a non-recurring basis | Real estate loans:
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Individually evaluated loans	4,405	4,578
Measured on a non-recurring basis | Real estate loans: | Commercial real estate
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Individually evaluated loans	2,460	2,631
Measured on a non-recurring basis | Real estate loans: | Multifamily
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Individually evaluated loans	1,923	1,923
Measured on a non-recurring basis | Real estate loans: | Home equity and lines of credit
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Individually evaluated loans	22	24
Measured on a non-recurring basis | Commercial and industrial loans
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Individually evaluated loans	61	62
Measured on a non-recurring basis | Quoted Prices in Active Markets for Identical Assets (Level 1)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total	0	0
Measured on a non-recurring basis | Quoted Prices in Active Markets for Identical Assets (Level 1) | Real estate loans:
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Individually evaluated loans	0	0
Measured on a non-recurring basis | Quoted Prices in Active Markets for Identical Assets (Level 1) | Real estate loans: | Commercial real estate
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Individually evaluated loans	0	0
Measured on a non-recurring basis | Quoted Prices in Active Markets for Identical Assets (Level 1) | Real estate loans: | Multifamily
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Individually evaluated loans	0	0
Measured on a non-recurring basis | Quoted Prices in Active Markets for Identical Assets (Level 1) | Real estate loans: | Home equity and lines of credit
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Individually evaluated loans	0	0
Measured on a non-recurring basis | Quoted Prices in Active Markets for Identical Assets (Level 1) | Commercial and industrial loans
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Individually evaluated loans	0	0
Measured on a non-recurring basis | Significant Other Observable Inputs (Level 2)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total	0	0
Measured on a non-recurring basis | Significant Other Observable Inputs (Level 2) | Real estate loans:
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Individually evaluated loans	0	0
Measured on a non-recurring basis | Significant Other Observable Inputs (Level 2) | Real estate loans: | Commercial real estate
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Individually evaluated loans	0	0
Measured on a non-recurring basis | Significant Other Observable Inputs (Level 2) | Real estate loans: | Multifamily
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Individually evaluated loans	0	0
Measured on a non-recurring basis | Significant Other Observable Inputs (Level 2) | Real estate loans: | Home equity and lines of credit
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Individually evaluated loans	0	0
Measured on a non-recurring basis | Significant Other Observable Inputs (Level 2) | Commercial and industrial loans
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Individually evaluated loans	0	0
Measured on a non-recurring basis | Significant Unobservable Inputs (Level 3)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total	4,466	4,640
Measured on a non-recurring basis | Significant Unobservable Inputs (Level 3) | Real estate loans:
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Individually evaluated loans	4,405	4,578
Measured on a non-recurring basis | Significant Unobservable Inputs (Level 3) | Real estate loans: | Commercial real estate
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Individually evaluated loans	2,460	2,631
Measured on a non-recurring basis | Significant Unobservable Inputs (Level 3) | Real estate loans: | Multifamily
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Individually evaluated loans	1,923	1,923
Measured on a non-recurring basis | Significant Unobservable Inputs (Level 3) | Real estate loans: | Home equity and lines of credit
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Individually evaluated loans	22	24
Measured on a non-recurring basis | Significant Unobservable Inputs (Level 3) | Commercial and industrial loans
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Individually evaluated loans	$ 61	$ 62

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Fair Value Measurements - Qualitative Information for Level 3 Assets Measured at Fair Value on a Non-Recurring Basis (Details) $ in Thousands	Jun. 30, 2023 USD ($)	Dec. 31, 2022 USD ($)
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Individually evaluated loans	$ 4,466	$ 4,640
Appraisals | Discount for costs to sell
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Loans receivable	0.070	0.070
Appraisals | Discount for quick sale
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Loans receivable	0.100	0.100
Discounted cash flows | Interest rates | Minimum
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Loans receivable	0.0488	0.0488
Discounted cash flows | Interest rates | Maximum
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Loans receivable	0.0750	0.0750

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Fair Value Measurements - Narrative (Details) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Dec. 31, 2022
Fair Value Disclosures [Abstract]
Impaired loans held-for-investment and held-for-sale with outstanding principal balances	$ 6,200		$ 6,700
Estimated fair value of impaired loans held-for-investment and held-for-sale	4,500		4,600
Increase in net impairment charges	7	$ 6
Net recoveries (charge offs)	2,400	$ 494
Assets acquired through foreclosure	$ 0		$ 0

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Fair Value Measurements - Estimated Fair Values of the Financial Instruments (Details) - USD ($) $ in Thousands	Jun. 30, 2023	Dec. 31, 2022
Financial assets:
Trading securities	$ 11,731	$ 10,751
Debt securities available-for-sale	802,257	952,173
Debt securities held-to-maturity	9,946	10,389
Financial liabilities:
Subordinated debentures, net of issuance costs	61,108	60,996
Investment measured at fair value	10,000	10,100
Carrying Value
Financial assets:
Cash and cash equivalents	89,127	45,799
Trading securities	11,731	10,751
Debt securities available-for-sale	802,257	952,173
Debt securities held-to-maturity	10,316	10,760
Equity securities	653	361
FHLBNY stock, at cost	40,376	30,382
Net loans held-for-investment	4,232,888	4,201,076
Derivative assets	5,334	5,321
Financial liabilities:
Deposits	3,764,403	4,150,219
FHLB advances and other borrowings (including securities sold under agreements to repurchase)	923,535	583,859
Subordinated debentures, net of issuance costs	61,108	60,996
Advance payments by borrowers for taxes and insurance	29,117	25,995
Derivative liabilities	5,335	5,321
Estimated Fair Value
Financial assets:
Cash and cash equivalents	89,127	45,799
Trading securities	11,731	10,751
Debt securities available-for-sale	802,257	952,173
Debt securities held-to-maturity	9,946	10,389
Equity securities	653	361
FHLBNY stock, at cost	40,376	30,382
Net loans held-for-investment	4,044,104	4,016,849
Derivative assets	5,334	5,321
Financial liabilities:
Deposits	3,765,299	4,148,938
FHLB advances and other borrowings (including securities sold under agreements to repurchase)	897,657	564,588
Subordinated debentures, net of issuance costs	51,788	54,393
Advance payments by borrowers for taxes and insurance	29,117	25,995
Derivative liabilities	5,335	5,321
Estimated Fair Value | Level 1
Financial assets:
Cash and cash equivalents	89,127	45,799
Trading securities	11,731	10,751
Debt securities available-for-sale	0	0
Debt securities held-to-maturity	0	0
Equity securities	653	361
FHLBNY stock, at cost	0	0
Net loans held-for-investment	0	0
Derivative assets	0	0
Financial liabilities:
Deposits	0	0
FHLB advances and other borrowings (including securities sold under agreements to repurchase)	0	0
Subordinated debentures, net of issuance costs	0
Advance payments by borrowers for taxes and insurance	0	0
Derivative liabilities	0	0
Estimated Fair Value | Level 2
Financial assets:
Cash and cash equivalents	0	0
Trading securities	0	0
Debt securities available-for-sale	802,257	952,173
Debt securities held-to-maturity	9,946	10,389
Equity securities	0	0
FHLBNY stock, at cost	40,376	30,382
Net loans held-for-investment	0	0
Derivative assets	5,334	5,321
Financial liabilities:
Deposits	3,765,299	4,148,938
FHLB advances and other borrowings (including securities sold under agreements to repurchase)	897,657	564,588
Subordinated debentures, net of issuance costs	51,788	54,393
Advance payments by borrowers for taxes and insurance	29,117	25,995
Derivative liabilities	5,335	5,321
Estimated Fair Value | Level 3
Financial assets:
Cash and cash equivalents	0	0
Trading securities	0	0
Debt securities available-for-sale	0	0
Debt securities held-to-maturity	0	0
Equity securities	0	0
FHLBNY stock, at cost	0	0
Net loans held-for-investment	4,044,104	4,016,849
Derivative assets	0	0
Financial liabilities:
Deposits	0	0
FHLB advances and other borrowings (including securities sold under agreements to repurchase)	0	0
Subordinated debentures, net of issuance costs	0
Advance payments by borrowers for taxes and insurance	0	0
Derivative liabilities	$ 0	$ 0

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Earnings Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Earnings Per Share [Abstract]
Net income available to common stockholders	$ 9,559	$ 15,874	$ 21,266	$ 30,001
Weighted average shares outstanding-basic (in shares)	43,914,110	46,591,723	44,346,881	46,708,716
Effect of non-vested restricted stock and stock, performance-based restricted stock units and options outstanding (in shares)	38,829	46,390	91,752	161,717
Weighted average shares outstanding-diluted (in shares)	43,952,939	46,638,113	44,438,633	46,870,433
Earnings per share-basic (usd per share)	$ 0.22	$ 0.34	$ 0.48	$ 0.64
Earnings per share-diluted (usd per share)	$ 0.22	$ 0.34	$ 0.48	$ 0.64
Anti-dilutive shares (in shares)	1,849,258	1,922,988	1,384,805	1,098,229

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Leases - Narrative (Details) - USD ($) $ in Thousands	Jun. 30, 2023	Dec. 31, 2022
Lessee, Lease, Description [Line Items]
Operating lease right-of-use assets	$ 32,010	$ 34,288
Operating lease liabilities	$ 37,274	$ 39,790
Lease term not yet commenced	10 years
Undiscounted cash payments	$ 850
Minimum
Lessee, Lease, Description [Line Items]
Term of lease	6 months
Renewal term	5 years
Maximum
Lessee, Lease, Description [Line Items]
Term of lease	32 years
Renewal term	10 years

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Leases - Supplemental Lease Information (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Leases [Abstract]
Operating lease cost	$ 1,504	$ 1,521	$ 3,011	$ 2,990
Variable lease cost	936	863	1,842	1,828
Net lease cost	2,440	2,384	4,853	4,818
Cash paid for amounts included in measurement of operating lease liabilities	1,615	1,597	3,221	3,161
Right-of-use assets obtained in exchange for new operating lease liabilities	$ 0	$ 4,983	$ 63	$ 4,983
Weighted average remaining lease term	11 years 1 month 20 days	11 years 4 months 13 days	11 years 1 month 20 days	11 years 4 months 13 days
Weighted average discount rate	3.56%	3.52%	3.56%	3.52%

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Leases - Lease Payments Obligations (Details) - USD ($) $ in Thousands	Jun. 30, 2023	Dec. 31, 2022
Leases [Abstract]
2023	$ 3,263
2024	6,059
2025	5,718
2026	4,955
2027	3,995
Thereafter	22,705
Total lease payments	46,695
Less: imputed interest	(9,421)
Present value of lease liabilities	$ 37,274	$ 39,790

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Derivatives - Narrative (Details) - Interest Rate Swap	3 Months Ended		6 Months Ended
	Jun. 30, 2023 USD ($) instrument	Jun. 30, 2022 USD ($)	Jun. 30, 2023 USD ($) instrument	Jun. 30, 2022 USD ($)	Dec. 31, 2022 USD ($) instrument
Derivative [Line Items]
Number of derivative instruments held | instrument	8		8		7
Derivative, notional amount	$ 61,300,000		$ 61,300,000		$ 37,000,000
Swap income	$ 0	$ 0	$ 231,000	$ 0

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Derivatives - Fair Value of Derivatives (Details) - USD ($) $ in Thousands	Jun. 30, 2023	Dec. 31, 2022
Other assets
Derivative [Line Items]
Fair value of derivative asset	$ 5,334	$ 5,321
Other liabilities
Derivative [Line Items]
Fair value of derivative liability	$ 5,335	$ 5,321