Other Noninterest Expense (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Other Expense, Nonoperating [Abstract]
Corporate value and franchise taxes	$ 4,558	$ 3,422	$ 8,806	$ 7,886
Advertising	3,512	2,276	6,678	4,762
Telecommunications and postage	2,971	3,163	5,896	6,481
Entertainment and contributions	2,440	1,487	5,401	2,934
Tax credit investment amortization	1,004	1,112	2,008	2,225
Printing and supplies	918	941	1,921	1,919
Travel expense	1,123	667	1,783	1,024
Net other retirement expense	(7,781)	(6,806)	(14,553)	(13,351)
Loss on facilities and equipment from consolidation		15,462		15,462
Loss on extinguishment of debt		4,165		4,165
Other miscellaneous	4,661	6,396	13,706	12,526
Total other noninterest expense	$ 13,406	$ 32,285	$ 31,646	$ 46,033