Consolidated Statements of Income - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
INTEREST INCOME
Loans, including fees	$ 155,152	$ 136,639	$ 446,158	$ 405,361
Investment securities:
Taxable	11,423	10,874	34,811	34,036
Tax-exempt	2,920	2,550	8,625	6,910
Dividends	105	143	343	438
Loans held for sale	243	210	631	529
Other interest income	1,667	1,052	3,311	2,814
Total Interest Income	171,510	151,468	493,879	450,088
INTEREST EXPENSE
Deposits	16,023	11,311	40,709	32,925
Short-term borrowings	578	254	2,407	739
Federal Home Loan Bank advances and other long-term debt	8,100	9,338	24,812	27,889
Total Interest Expense	24,701	20,903	67,928	61,553
Net Interest Income	146,809	130,565	425,951	388,535
Provision for credit losses	5,075	4,141	16,575	8,182
Net Interest Income After Provision for Credit Losses	141,734	126,424	409,376	380,353
NON-INTEREST INCOME
Other service charges and fees	12,251	14,407	39,030	38,140
Service charges on deposit accounts	13,022	13,078	38,336	38,532
Investment management and trust services	12,157	11,425	36,097	33,660
Mortgage banking income	4,805	4,529	15,542	12,456
Investment securities gains, net	4,597	2	7,139	1,025
Other	5,142	4,708	14,874	13,610
Total Non-Interest Income	51,974	48,149	151,018	137,423
NON-INTEREST EXPENSE
Salaries and employee benefits	72,894	70,696	216,626	210,097
Net occupancy expense	12,180	11,782	37,159	35,813
Data processing and software	10,301	8,727	28,334	27,477
Other outside services	6,582	5,783	19,836	17,347
Amortization of tax credit investments	3,503	0	7,652	0
Professional fees	3,388	2,535	9,056	8,221
Equipment expense	3,298	3,137	9,691	9,380
FDIC insurance expense	3,007	1,791	7,431	7,700
Marketing	2,089	1,774	6,309	5,314
Other	14,915	13,623	45,033	40,549
Total Non-Interest Expense	132,157	119,848	387,127	361,898
Income Before Income Taxes	61,551	54,725	173,267	155,878
Income taxes	12,646	13,257	35,515	36,403
Net Income	$ 48,905	$ 41,468	$ 137,752	$ 119,475
PER SHARE:
Net Income (Basic) (in dollars per share)	$ 0.28	$ 0.24	$ 0.79	$ 0.69
Net Income (Diluted) (in dollars per share)	0.28	0.24	0.78	0.69
Cash Dividends (in dollars per share)	$ 0.11	$ 0.10	$ 0.33	$ 0.29