Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Operating Activities
Net income (loss)	$ 28,664	$ 76,945	$ 81,793
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Provision (benefit) for credit losses	10,518	5,081	(4,944)
Depreciation and amortization of premises and equipment	5,965	5,930	6,425
Net (loss) gain on sales of loans	(108)	(119)	(335)
Net amortization (accretion) of premiums and discounts	498	1,139	(987)
Net (loss) gain from disposition of assets	0	(104)	(621)
Net loss (gain) from sale of securities	0	10,948	(113)
Deferred income tax provision (benefit)	3,721	144	(1,725)
Net (gain) loss from fair value adjustments	(2,573)	(5,728)	12,995
Net (gain) loss from fair value adjustments of hedges	(371)	(775)	(2,079)
Gain from life insurance proceeds	(1,281)	(1,822)	0
Income from bank owned life insurance	(4,573)	(4,487)	(4,044)
Stock-based compensation expense	5,604	6,807	6,829
Deferred compensation	(4,210)	(5,365)	(4,002)
Amortization of core deposit intangibles	480	545	610
(Increase) decrease in other assets	(19,308)	11,775	563
Increase (decrease) in other liabilities	11,559	(15,159)	(1,767)
Net cash provided by (used in) operating activities	34,585	85,755	88,598
Investing Activities
Purchases of premises and equipment	(5,488)	(4,342)	(3,680)
Purchases of Federal Home Loan Bank New York stock	(122,102)	(146,446)	(7,065)
Redemptions of Federal Home Loan Bank New York stock	136,878	136,541	14,567
Purchases of securities held-to-maturity	0	(16,475)	0
Proceeds from prepayments of securities held-to-maturity	794	387	0
Purchases of securities available for sale	(187,442)	(224,940)	(538,350)
Proceeds from sales and calls of securities available for sale	0	73,276	64,613
Proceeds from maturities and prepayments of securities available for sale	57,493	96,861	330,701
Purchases of bank owned life insurance	0	0	(25,000)
Proceeds from bank owned life insurance	3,068	3,945	0
Change in cash collateral	(18,400)	66,345	0
Net repayments (originations) of loans	198,240	(93,262)	290,890
Purchases of loans	(166,344)	(275,701)	(262,091)
Proceeds from sale of loans	9,042	31,993	28,632
Net cash provided by (used in) investing activities	(94,261)	(351,818)	(106,783)
Financing Activities
Net increase (decrease) in noninterest-bearing deposits	(73,822)	(46,383)	188,949
Net increase (decrease) in interest-bearing deposits	400,804	200,019	3,974
Net increase (decrease) in mortgagors' escrow deposits	2,223	(3,754)	6,291
Net (repayments) proceeds from short-term borrowed funds	(605,750)	235,000
Proceeds from long-term borrowing	661,050	63,603	122,843
Repayment of long-term borrowings	(265,001)	(55,685)	(341,643)
Purchase of treasury shares and repurchase of shares to satisfy tax obligations	(13,165)	(29,675)	(11,370)
Cash dividends paid	(26,260)	(27,031)	(26,524)
Net cash provided by (used in) financing activities	80,079	336,094	(57,480)
Net increase (decrease) in cash and cash equivalents, and restricted cash	20,403	70,031	(75,665)
Cash, cash equivalents, and restricted cash, beginning of period	151,754	81,723	157,388
Cash, cash equivalents, and restricted cash, end of period	172,157	151,754	81,723
Supplemental Cash Flow Disclosure
Interest paid	214,610	63,680	40,564
Income taxes paid	$ 6,269	$ 32,411	$ 28,225