CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY - USD ($) $ in Thousands	Preferred Stock Cumulative Effect, CECL Adoption, Adjusted Balance	Preferred Stock	Common Stock Cumulative Effect, CECL Adoption, Adjusted Balance	Common Stock	Additional Paid-in Capital Cumulative Effect, CECL Adoption, Adjusted Balance	Additional Paid-in Capital	Retained Earnings Cumulative Effect, CECL Adoption, Adjustment	Retained Earnings Cumulative Effect, CECL Adoption, Adjusted Balance	Retained Earnings	Accumulated Other Comprehensive Loss, Net of Deferred Taxes Cumulative Effect, CECL Adoption, Adjusted Balance	Accumulated Other Comprehensive Loss, Net of Deferred Taxes	Unearned Equity Awards	Common Stock Held by BMP [Member] Cumulative Effect, CECL Adoption, Adjusted Balance	Common Stock Held by BMP [Member]	Treasury Stock, at Cost Cumulative Effect, CECL Adoption, Adjusted Balance	Treasury Stock, at Cost	Cumulative Effect, CECL Adoption, Adjustment	Cumulative Effect, CECL Adoption, Adjusted Balance	Total
Balance at Dec. 31, 2020	$ 116,569	$ 116,569	$ 348	$ 348	$ 278,295	$ 278,295	$ 1,686	$ 602,327	$ 600,641	$ (5,924)	$ (5,924)		$ (1,496)	$ (1,496)	$ (287,337)		$ 1,686	$ 702,782	$ 701,096
Balance (in shares) at Dec. 31, 2020			21,232,984	21,232,984
Treasury Stock, at cost, beginning balance at Dec. 31, 2020																$ (287,337)
Increase (Decrease) in Stockholders' Equity
Net income									103,996										103,996
Other comprehensive loss, net of tax											(257)								(257)
Reverse merger with Bridge Bancorp, Inc.				$ 65		206,641						$ (2,603)				287,107			491,210
Reverse merger with Bridge Bancorp, Inc. (in shares)				19,992,284
Exercise of stock options, net						258										173			431
Exercise of stock options, net (in shares)				20,629
Release of shares, net of forfeitures				$ 3		10,411						(10,646)				1,385			1,153
Release of shares, net of forfeitures (in shares)				431,440
Stock-based compensation												5,407							5,407
Shares received to satisfy distribution of retirement benefits (in shares)				(41,101)
Proceeds from Preferred Stock issuance, net						(1,359)								$ 1,496		(1,130)			(993)
Shares received related to tax withholding																(111)			(111)
Shares received related to tax withholding (in shares)				(3,342)
Cash dividends declared and paid to preferred stockholders									(7,286)										(7,286)
Cash dividends declared and paid to common stockholders									(44,311)										(44,311)
Redemption of real estate investment trust ("REIT") preferred stock						(121)													(121)
Purchase of treasury stock																(59,280)			(59,280)
Purchase of treasury stock (in shares)				(1,755,061)
Balance at Dec. 31, 2021		116,569		$ 416		494,125			654,726		(6,181)	(7,842)							1,192,620
Balance (in shares) at Dec. 31, 2021				39,877,833
Treasury Stock, at cost, ending balance at Dec. 31, 2021																(59,193)
Increase (Decrease) in Stockholders' Equity
Net income									152,556										152,556
Other comprehensive loss, net of tax											(88,198)								(88,198)
Release of shares, net of forfeitures						1,287						(4,514)				4,394			1,167
Release of shares, net of forfeitures (in shares)				171,838
Stock-based compensation												4,278							4,278
Shares received related to tax withholding						(2)										(1,556)			(1,558)
Shares received related to tax withholding (in shares)				(45,430)
Cash dividends declared and paid to preferred stockholders									(7,286)										(7,286)
Cash dividends declared and paid to common stockholders									(37,234)										(37,234)
Purchase of treasury stock																(46,762)			(46,762)
Purchase of treasury stock (in shares)				(1,431,241)
Balance at Dec. 31, 2022		116,569		$ 416		495,410			762,762		(94,379)	(8,078)							$ 1,169,583
Balance (in shares) at Dec. 31, 2022				38,573,000															38,573,000
Treasury Stock, at cost, ending balance at Dec. 31, 2022																(103,117)			$ (103,117)
Increase (Decrease) in Stockholders' Equity
Net income									96,094										96,094
Other comprehensive loss, net of tax											2,800								2,800
Release of shares, net of forfeitures						(955)						(5,182)				7,301			1,164
Release of shares, net of forfeitures (in shares)				331,395
Stock-based compensation												4,638							4,638
Shares received related to tax withholding						(1)										(1,257)			(1,258)
Shares received related to tax withholding (in shares)				(44,928)
Cash dividends declared and paid to preferred stockholders									(7,286)										(7,286)
Cash dividends declared and paid to common stockholders									(38,563)										(38,563)
Purchase of treasury stock																(947)			(947)
Purchase of treasury stock (in shares)				(36,813)
Balance at Dec. 31, 2023		$ 116,569		$ 416		$ 494,454			$ 813,007		$ (91,579)	$ (8,622)							$ 1,226,225
Balance (in shares) at Dec. 31, 2023				38,822,654															38,822,654
Treasury Stock, at cost, ending balance at Dec. 31, 2023																$ (98,020)			$ (98,020)