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Income Taxes - Schedule of Income Tax Reconciliation (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Income Tax Disclosure [Abstract]
Income before provision for income taxes	$ 130,656	$ 136,765	$ 193,922
Federal income tax, at statutory rates	21.00%	21.00%	21.00%
Computed “expected” federal income tax expense	$ 27,438	$ 28,721	$ 40,724
Increase (decrease) in federal income tax expense resulting from
State income taxes, net of federal benefit	5,518	5,979	8,927
Earnings on BOLI	(1,660)	(1,109)	(1,381)
Tax exempt interest	(547)	(606)	(786)
Merger related expenses	0	0	90
Stock compensation	391	(298)	26
Alternative minimum tax write-off	1,196	0	0
Research and development and other credits	(735)	(557)	(471)
Dividends received deduction	(322)	(368)	(371)
Other items, net	(1,013)	938	(193)
Total provision for income taxes	$ 30,266	$ 32,700	$ 46,565

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