Income Taxes - Provision for Income Taxes (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Income Tax Disclosure [Abstract]
Income taxes currently payable	$ 4,706	$ 14,952	$ 25,817	$ 35,412
Deferred income taxes	4,537	2,007	4,202	2,924
Actual tax provision	$ 9,243	$ 16,959	$ 30,019	$ 38,336