Income Taxes - Income Tax Reconciliation (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Reconciliation of provision for tax from the federal rate to the effective tax rate [Abstract]
Income tax computed at statutory tax rate	$ 41,441	$ 15,487	$ 36,837
Tax exempt interest	(5,521)	(4,419)	(3,935)
Nondeductible interest expense	2,104	271	106
State income taxes, net	5,686	2,596	1,673
Income tax credits, net	(11,904)	(10,071)	(10,479)
Death benefit gains	(80)	(287)	(175)
Other	121	(1,717)	4,021
Income tax provision	$ 31,847	$ 1,860	$ 28,048