Other Noninterest Income (Components of Other Noninterest Income) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Other Income, Nonoperating [Abstract]
Income from bank-owned life insurance	$ 4,784	$ 3,907	$ 12,602	$ 14,535
Credit related fees	2,628	2,568	7,840	8,383
Income from derivatives	1,309	2,970	6,386	11,755
Gain on sale of Mastercard Class B common stock				2,800
Gain on sale of Hancock Horizon Funds		4,576		4,576
Other miscellaneous	6,108	8,168	17,986	13,673
Total other noninterest income	$ 14,829	$ 22,189	$ 44,814	$ 55,722