CONSOLIDATED STATEMENTS OF CASH FLOWS (UNAUDITED) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023
Net Cash Provided by (Used in) Operating Activities [Abstract]
Net income	$ 36,170	$ 64,801
Adjustments to reconcile net income to net cash provided by operating activities:
Net loss on sale of securities available-for-sale		1,447
Gain on sale of other assets	(6,663)
Fair value change in equity securities and loans held for sale	1,258	780
Net gain on sale of loans held for sale	(470)	(808)
Net depreciation, amortization and accretion	2,931	3,056
Amortization of fair value hedge basis point adjustments	1,262
Amortization of other intangible assets	592	726
Loss on extinguishment of debt	453
Stock-based compensation	3,026	2,660
(Credit) provision for credit losses	10,795	(2,756)
Originations of loans held for sale	(4,069)	(4,570)
Proceeds from sale of loans originated for sale	9,633	14,510
Increase in cash surrender value of BOLI	(4,945)	(4,370)
Gain from death benefits from BOLI		(645)
(Increase) decrease in other assets	(5,685)	(31,711)
Increase (decrease) in other liabilities	(930)	1,492
Net cash provided by operating activities	43,358	44,612
Net Cash Provided by (Used in) Investing Activities [Abstract]
Proceeds from sales of securities available-for-sale		77,804
Purchases of securities available-for-sale	(4,000)	(78,667)
Purchases of securities held-to-maturity	(7,394)	(27,136)
Proceeds from calls and principal repayments of securities available-for-sale	76,832	38,389
Proceeds from calls and principal repayments of securities held-to-maturity	15,802	10,680
Loans purchased	(3,915)
Proceeds from the sale of portfolio loans transferred to held for sale	7,405	1,701
Decrease (Increase) in loans	(72,206)	(326,105)
Purchases of fixed assets, net	(3,429)	(2,435)
Proceeds from the sale of fixed assets and premises held for sale	16,318
Sales (purchases) of restricted stock, net	30,305	(15,979)
Net cash (provided by) used in investing activities	55,718	(321,748)
Net Cash Provided by (Used in) Financing Activities [Abstract]
Increase in deposits	497,835	268,386
(Repayments) proceeds from FHLBNY advances, short-term, net	(590,000)	155,000
Repayments of FHLBNY advances, long-term	(150,000)
Proceeds from FHLBNY advances, long-term	60,000	162,000
Repayments of other short-term borrowings, net		(1,360)
Proceeds from subordinated debentures issuance, net	62,660
Release of stock for benefit plan awards	557	602
Payments related to tax withholding for equity awards	(1,084)	(1,159)
Purchase of treasury stock		(947)
Cash dividends paid to preferred stockholders	(3,643)	(3,643)
Cash dividends paid to common stockholders	(18,965)	(18,536)
Net cash (used in) provided by financing activities	(142,640)	560,343
(Decrease) Increase in cash and cash equivalents	(43,564)	283,207
CASH AND CASH EQUIVALENTS, BEGINNING OF PERIOD	457,547	169,297
CASH AND CASH EQUIVALENTS, END OF PERIOD	413,983	452,504
Supplemental Cash Flow Information [Abstract]
Cash paid for income taxes	16,213	29,470
Cash paid for interest	176,592	114,017
Loans transferred to held for sale	14,172	11,049
Operating lease assets in exchange for operating lease liabilities	$ 5,005	$ 2,749