Consolidated Statements of Income - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Interest Income
Interest and Fees on Loans and Leases	$ 439,798	$ 398,616	$ 417,498
Income on Investment Securities
Available-for-Sale	70,555	64,550	61,294
Held-to-Maturity	81,490	61,955	66,055
Deposits	32	10	14
Funds Sold	4,274	883	902
Other	1,217	702	661
Total Interest Income	597,366	526,716	546,424
Interest Expense
Deposits	39,678	15,216	32,966
Securities Sold Under Agreements to Repurchase	12,600	13,260	15,281
Funds Purchased	417	7	95
Short-Term Borrowings	2,070		62
Other Debt	2,043	943	1,698
Total Interest Expense	56,808	29,426	50,102
Net Interest Income	540,558	497,290	496,322
Provision for Credit Losses	(7,800)	(50,500)	117,800
Net Interest Income After Provision for Credit Losses	548,358	547,790	378,522
Noninterest Income
Trust and Asset Management	43,803	46,068	43,456
Mortgage Banking	5,980	14,964	17,871
Service Charges on Deposit Accounts	29,620	25,564	24,910
Fees, Exchange, and Other Service Charges	54,914	55,457	47,056
Investment Securities Gains (Losses), Net	(6,111)	(1,297)	9,932
Annuity and Insurance	3,782	3,224	3,362
Bank-Owned Life Insurance	9,968	7,784	7,388
Other	15,585	19,589	30,434
Total Noninterest Income	157,541	171,353	184,409
Noninterest Expense
Salaries and Benefits	235,270	228,293	207,329
Net Occupancy	39,441	26,244	39,533
Net Equipment	38,374	35,703	35,448
Data Processing	18,362	20,297	18,499
Professional Fees	14,557	12,895	12,186
FDIC Insurance	6,546	6,536	5,780
Other	62,715	63,621	55,032
Total Noninterest Expense	415,265	393,589	373,807
Income Before Provision for Income Taxes	290,634	325,554	189,124
Provision for Income Taxes	64,830	72,182	35,320
Net Income	225,804	253,372	153,804
Preferred Stock Dividends	7,877	2,975
Net Income Available to Common Shareholders	$ 217,927	$ 250,397	$ 153,804
Basic Earnings Per Common Share	$ 5.50	$ 6.29	$ 3.87
Diluted Earnings Per Common Share	5.48	6.25	3.86
Dividends Declared Per Common Share	$ 2.80	$ 2.74	$ 2.68
Basic Weighted Average Common Shares	39,601,089	39,837,798	39,726,210
Diluted Weighted Average Common Shares	39,788,002	40,053,664	39,892,107