Consolidated Statements of Income - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
INTEREST INCOME
Loans, including fees	$ 758,609	$ 638,595	$ 656,077
Interest and Dividend Income, Securities, Operating	98,115	79,821	79,220
Loans held for sale	866	1,302	2,077
Other interest income	7,248	3,694	5,504
Total Interest Income	864,838	723,412	742,878
INTEREST EXPENSE
Deposits	43,829	30,005	70,046
Interest Expense, Federal Funds Purchased	2,967	0	541
Interest Expense, Federal Home Loan Bank and Federal Reserve Bank Advances, Long-Term	7,334	2,286	12,913
Interest Expense, Subordinated Notes and Debentures	22,257	26,784	28,024
Interest Expense, Other Long-Term Debt	6,817	607	2,147
Total Interest Expense	83,204	59,682	113,671
Net Interest Income	781,634	663,730	629,207
Provision for credit losses	28,021	(14,600)	76,920
Net Interest Income After Provision for Credit Losses	753,613	678,330	552,287
NON-INTEREST INCOME
Non-interest income before investment securities gains	227,157	240,229	226,335
Investment securities gains, net	(27)	33,516	3,053
Total Non-Interest Income	227,130	273,745	229,388
NON-INTEREST EXPENSE
Salaries and employee benefits	356,884	329,138	324,395
Data processing and software	60,255	56,440	48,073
Net occupancy	56,195	53,799	53,013
Other outside services	37,152	34,194	31,432
State taxes	15,113	18,793	12,613
Equipment	14,033	13,807	13,885
FDIC insurance	12,547	10,665	8,865
Professional fees	9,123	9,647	12,835
Marketing	6,885	5,275	5,127
Intangible amortization	1,731	589	529
Debt extinguishment	0	33,249	2,878
Merger-related expenses	10,328	0	0
Other	53,482	52,234	65,795
Total Non-Interest Expense	633,728	617,830	579,440
Income Before Income Taxes	347,015	334,245	202,235
Income taxes	60,034	58,748	24,195
Net Income	286,981	275,497	178,040
Preferred stock dividends	(10,248)	(10,277)	(2,135)
Net Income Available to Common Shareholders	$ 276,733	$ 265,220	$ 175,905
PER SHARE:
Net income available to common shareholders (basic) (in dollars per share)	$ 1.69	$ 1.63	$ 1.08
Net income available to common shareholders (diluted) (in dollars per share)	1.67	1.62	1.08
Cash Dividends (in dollars per share)	$ 0.66	$ 0.64	$ 0.56
Commercial banking
NON-INTEREST INCOME
Non-interest income before investment securities gains	$ 75,779	$ 68,689	$ 70,286
Consumer banking
NON-INTEREST INCOME
Non-interest income before investment securities gains	49,496	45,544	41,598
Wealth management
NON-INTEREST INCOME
Non-interest income before investment securities gains	72,843	71,798	59,058
Mortgage banking
NON-INTEREST INCOME
Non-interest income before investment securities gains	14,204	33,576	42,309
Other
NON-INTEREST INCOME
Non-interest income before investment securities gains	$ 14,835	$ 20,622	$ 13,084