Other Noninterest Income and Other Noninterest Expense (Components of Other Noninterest Income and Other Noninterest Expense) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Other noninterest income:
Income from bank-owned life insurance	$ 15,881	$ 18,330	$ 18,179
Credit-related fees	10,483	11,001	11,255
Income from derivatives	5,832	13,477	12,814
Other miscellaneous income	21,715	31,993	14,137
Total other noninterest income	53,911	74,801	56,385
Other noninterest expense:
Advertising	13,783	12,441	13,011
Corporate value and franchise taxes	16,744	14,478	16,578
Entertainment and contributions	10,336	7,867	9,865
Telecommunication and postage	11,870	12,646	14,991
Printing and supplies	3,795	3,728	5,063
Travel expenses	4,336	2,697	2,297
Tax credit investment amortization	4,768	4,436	3,843
Other retirement expense	(29,693)	(27,941)	(25,133)
Loss on facilities and equipment from consolidation		13,863	3,012
Loss on extinguishment of debt		4,165
Other miscellaneous expense	22,256	32,829	23,778
Total other noninterest expense	$ 58,195	$ 81,209	$ 67,305