Consolidated Statements of Income - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
INTEREST INCOME
Loans and leases, including fees	$ 183,744	$ 160,136
Investment securities:
Taxable	15,435	13,193
Tax-exempt	3,279	2,965
Dividends	0	5
Loans held for sale	240	216
Other interest income	2,002	1,172
Total Interest Income	204,700	177,687
INTEREST EXPENSE
Deposits	29,689	16,450
Short-term borrowings	3,582	2,041
Federal Home Loan Bank advances and long-term debt	8,114	7,878
Total Interest Expense	41,385	26,369
Net Interest Income	163,315	151,318
Provision for credit losses	5,100	3,970
Net Interest Income After Provision for Credit Losses	158,215	147,348
NON-INTEREST INCOME
Non-interest income before investment securities gains	46,686	45,856
Investment securities gains, net	65	19
Total Non-Interest Income	46,751	45,875
NON-INTEREST EXPENSE
Salaries and employee benefits	77,757	75,768
Net occupancy expense	12,909	13,632
Data processing and software	10,353	10,473
Other outside services	8,352	8,124
Amortization of tax credit investments	1,491	1,637
Intangible amortization	107	0
Professional fees	3,960	4,816
Equipment expense	3,342	3,534
FDIC insurance expense	2,609	2,953
Taxes, Other	2,002	2,302
Marketing	2,160	2,250
Other	12,782	11,172
Total Non-Interest Expense	137,824	136,661
Income Before Income Taxes	67,142	56,562
Income taxes	10,479	7,082
Net Income	$ 56,663	$ 49,480
PER SHARE:
Net Income (Basic) (in dollars per share)	$ 0.33	$ 0.28
Net Income (Diluted) (in dollars per share)	0.33	0.28
Cash Dividends (in dollars per share)	$ 0.13	$ 0.12
Investment management and trust services
NON-INTEREST INCOME
Non-interest income before investment securities gains	$ 13,239	$ 12,871
Other service charges and fees
NON-INTEREST INCOME
Non-interest income before investment securities gains	14,763	13,956
Service charges on deposit accounts
NON-INTEREST INCOME
Non-interest income before investment securities gains	11,377	11,408
Mortgage banking income
NON-INTEREST INCOME
Non-interest income before investment securities gains	4,772	4,193
Other income
NON-INTEREST INCOME
Non-interest income before investment securities gains	$ 2,535	$ 3,428