Other Noninterest Expense (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Other Expense Disclosure Nonoperating [Abstract]
Corporate value and franchise taxes	$ 4,248	$ 4,464
Telecommunications and postage	2,925	3,318
Advertising	3,166	2,486
Entertainment and contributions	2,961	1,448
Tax credit investment amortization	1,004	1,112
Printing and supplies	1,003	978
Travel expense	660	357
Net other retirement expense	(6,772)	(6,545)
Other miscellaneous	9,045	6,130
Total other noninterest expense	$ 18,240	$ 13,748