Income Taxes - Schedule of Effective Income Tax Rate Reconciliation - (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2023	Sep. 30, 2023	Jun. 30, 2023	Mar. 31, 2023	Dec. 31, 2022	Sep. 30, 2022	Jun. 30, 2022	Mar. 31, 2022	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Income Tax Disclosure [Abstract]
Tax expense at statutory rate (21%)									$ 29,289	$ 26,519	$ 32,849
Increases (decreases) in taxes from:
State income tax – net of federal tax benefit									627	557	571
Tax exempt interest income, net of TEFRA									(484)	(723)	(839)
Bank owned life insurance									(1,053)	(829)	(1,075)
Captive insurance									(368)	(417)	(365)
Sale of First Insurance goodwill									1,515	0	0
Other									(1,344)	(1,011)	(769)
Income Tax Expense (Benefit)	$ 4,616	$ 5,551	$ 13,912	$ 4,103	$ 5,770	$ 6,710	$ 5,446	$ 6,170	$ 28,182	$ 24,096	$ 30,372