Parent Company Financial Information (Condensed Statements of Income) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Income
Deposits in banks	$ 2,748	$ 955	$ 661
Expense
Compensation and employee benefits	241,139	224,034	209,722
Subordinated debentures	807	1,932	1,871
Other borrowings	1,646	137	196
Other expense	32,209	23,796	26,376
Income before income tax benefit and equity in undistributed (excess distributed) earnings of subsidiaries	317,647	256,509	192,392
Income Tax Expense (Benefit)	67,469	53,689	38,148
Net income	250,178	202,820	154,244
Parent Company
Income
Investment Income, dividend from banking subsidiary	85,004	108,000	89,000
Investment Income, dividend from other subsidiaries	711	500	0
Deposits in banks	15	16	13
Other income	60	36	37
Total Income	85,790	108,552	89,050
Expense
Compensation and employee benefits	823	856	758
Subordinated debentures	807	1,932	1,871
Other borrowings	339	52	12
Other expense	8,524	3,542	1,943
Total Expenses	10,493	6,382	4,584
Income before income tax benefit and equity in undistributed (excess distributed) earnings of subsidiaries	75,297	102,170	84,466
Income Tax Expense (Benefit)	(2,188)	(1,329)	(952)
Income before equity in undistributed earnings of subsidiaries	77,485	103,499	85,418
Equity in undistributed earnings of subsidiaries	172,693	99,321	68,826
Net income	$ 250,178	$ 202,820	$ 154,244