Consolidated Statements of Income - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
INTEREST INCOME
Loans, including fees	$ 175,523	$ 183,744
Investment securities:
Taxable	16,294	15,435
Tax-exempt	4,709	3,279
Loans held for sale	320	240
Other interest income	2,532	2,002
Total Interest Income	199,378	204,700
INTEREST EXPENSE
Deposits	26,440	29,689
Short-term borrowings	4,073	3,582
Long-term borrowings	8,119	8,114
Total Interest Expense	38,632	41,385
Net Interest Income	160,746	163,315
Provision for credit losses	44,030	5,100
Net Interest Income After Provision for Credit Losses	116,716	158,215
NON-INTEREST INCOME
Non-interest income before investment securities gains	54,598	46,686
Investment securities gains, net	46	65
Total Non-Interest Income	54,644	46,751
NON-INTEREST EXPENSE
Salaries and employee benefits	80,228	77,757
Net occupancy	13,486	12,909
Professional fees	11,645	10,353
Other outside services	7,881	8,352
Amortization of tax credit investments	1,450	1,491
Intangible amortization	132	107
Professional fees	4,202	3,960
Marketing	3,418	3,342
Prepayment penalty on FHLB advances	2,808	2,609
Taxes, Other	2,804	2,002
Marketing	1,579	2,160
Other	12,919	12,782
Total Non-Interest Expense	142,552	137,824
Income Before Income Taxes	28,808	67,142
Income taxes	2,761	10,479
Net Income	$ 26,047	$ 56,663
PER SHARE:
Net Income (Basic) (in dollars per share)	$ 0.16	$ 0.33
Net Income (Diluted) (in dollars per share)	0.16	0.33
Cash Dividends (in dollars per share)	$ 0.13	$ 0.13
Investment management and trust services
NON-INTEREST INCOME
Non-interest income before investment securities gains	$ 15,055	$ 13,239
Other service charges and fees
NON-INTEREST INCOME
Non-interest income before investment securities gains	18,419	15,250
Service charges on deposit accounts
NON-INTEREST INCOME
Non-interest income before investment securities gains	11,239	11,377
Mortgage banking income
NON-INTEREST INCOME
Non-interest income before investment securities gains	6,234	4,772
Other
NON-INTEREST INCOME
Non-interest income before investment securities gains	$ 3,651	$ 2,048