Other Noninterest Expense (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Other Expense, Nonoperating [Abstract]
Corporate value and franchise taxes and other non-income taxes	$ 4,691	$ 5,238	$ 14,848	$ 15,732
Advertising	3,331	3,621	9,509	10,353
Telecommunications and postage	2,406	2,590	7,108	8,373
Entertainment and contributions	2,707	2,765	8,570	7,978
Tax credit investment amortization	1,585	1,494	4,694	4,297
Printing and supplies	814	968	2,768	3,107
Travel expense	1,534	1,368	4,233	4,065
Net other retirement expense	(4,396)	(3,228)	(13,727)	(10,195)
Other miscellaneous	7,800	7,404	24,070	22,536
Total other noninterest expense	$ 20,472	$ 22,220	$ 62,073	$ 66,246