Income Taxes - Income Tax (Benefit) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Currently payable tax:
Federal	$ 18,994	$ 10,207	$ 9,630
State	8,798	7,988	5,828
Total currently payable	27,792	18,195	15,458
Deferred tax (benefit):
Federal	(1,237)	1,175	(932)
State	1,256	(1,200)	(757)
Total deferred tax	19	(25)	(1,689)
Income tax expense	$ 27,811	$ 18,170	$ 13,769