Consolidated Statements of Cash Flows - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Operating Activities
Net income	$ 76,945	$ 81,793	$ 34,674
Adjustments to reconcile net income to net cash provided by operating activities:
Provision (benefit) for credit losses	5,081	(4,944)	23,129
Depreciation and amortization of premises and equipment	5,930	6,425	6,212
Net gain on sales of loans	(119)	(335)	(48)
Net amortization (accretion) of premiums and discounts	1,139	(987)	6,446
Net gain from disposition of assets	(104)	(621)	0
Net loss on sales of OREO	0	0	36
Net loss (gain) from sale of securities	10,948	(113)	701
Deferred income tax provision (benefit)	144	(1,725)	(4,637)
Net (gain) loss from fair value adjustments	(5,728)	12,995	2,142
Net (gain) loss from fair value adjustments of qualifying hedges	(775)	(2,079)	1,185
Gain from life insurance proceeds	(1,822)	0	(659)
Income from bank owned life insurance	(4,487)	(4,044)	(3,814)
Stock-based compensation expense	6,807	6,829	6,450
Deferred compensation	(5,365)	(4,002)	(4,403)
Amortization of core deposit intangibles	545	610	108
Decrease in other assets	11,775	563	2,605
(Decrease) increase in other liabilities	(15,159)	(1,767)	1,151
Net cash provided by operating activities	85,755	88,598	71,278
Investing Activities
Purchases of premises and equipment	(4,342)	(3,680)	(2,512)
Net (purchases) redemptions of Federal Home Loan Bank-NY shares	(9,905)	7,502	14,617
Purchases of securities held-to-maturity	(16,475)	0	0
Proceeds from prepayments of securities held-to-maturity	387	0	603
Proceeds from calls of securities held-to-maturity	0	0	180
Purchases of securities available for sale	(224,940)	(538,350)	(217,405)
Proceeds from sales and calls of securities available for sale	73,276	64,613	232,970
Proceeds from maturities and prepayments of securities available for sale	96,861	330,701	271,533
Purchases of bank owned life insurance	0	(25,000)	0
Proceeds from life insurance	3,945	0	2,477
Change in cash collateral	66,345	0	0
Net (originations) and repayments of loans	(93,262)	290,890	(55,276)
Purchases of loans	(275,701)	(262,091)	(193,289)
Proceeds from sale of OREO, net	0	0	203
Proceeds from sale of loans	31,993	28,632	7,493
Cash used in acquisition of Empire Bancorp, Inc.	0	0	(54,836)
Cash provided by acquisition of Empire Bancorp, Inc.	0	0	86,340
Net cash (used in) provided by investing activities	(351,818)	(106,783)	93,098
Financing Activities
Net (decrease) increase in non-interest bearing deposits	(46,383)	188,949	174,104
Net increase in interest-bearing deposits	200,019	3,974	39,591
Net (decrease) increase in mortgagors' escrow deposits	(3,754)	6,291	(5,159)
Net proceeds from short-term borrowed funds	235,000
Proceeds from long-term borrowing	63,603	122,843	215,378
Repayment of long-term borrowings	(55,685)	(341,643)	(451,999)
Purchase of treasury shares and repurchase of shares to satisfy tax obligations	(29,675)	(11,370)	(3,877)
Cash dividends paid	(27,031)	(26,524)	(24,813)
Net cash provided by (used in) financing activities	336,094	(57,480)	(56,775)
Net increase (decrease) in cash and cash equivalents, and restricted cash	70,031	(75,665)	107,601
Cash, cash equivalents, and restricted cash, beginning of period	81,723	157,388	49,787
Cash, cash equivalents, and restricted cash, end of period	151,754	81,723	157,388
Supplemental Cash Flow Disclosure
Interest paid	63,680	40,564	71,380
Income taxes paid	32,411	28,225	17,919
Taxes paid if excess tax benefits on stock-based compensation were not tax deductible	$ 33,031	$ 27,889	17,764
Assets acquired:
Securities available for sale			159,369
Net loans			669,682
Interest and dividends receivable			5,394
Bank premises and equipment, net			3,203
Federal Home Loan Bank of New York stock, at cost			1,135
Bank owned life insurance			21,992
Core deposit Intangibles			3,280
Right of Use Asset			9,993
Other assets			22,300
Total			896,348
Liabilities assumed:
Non-interest bearing			169,496
Interest-bearing			685,393
Mortgagors' escrow deposits			6,406
Borrowed funds			21,215
Operating lease liability			11,039
Other liabilities			3,108
Total			896,657
Goodwill recorded			$ 1,509
Common stock issued			32,705