Consolidated Statements of Income - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
INTEREST INCOME
Loans, including fees	$ 136,639	$ 131,804	$ 405,361	$ 391,491
Investment securities:
Taxable	10,874	11,252	34,036	33,478
Tax-exempt	2,550	1,904	6,910	5,872
Dividends	143	190	438	834
Loans held for sale	210	194	529	632
Other interest income	1,052	884	2,814	3,922
Total Interest Income	151,468	146,228	450,088	436,229
INTEREST EXPENSE
Deposits	11,311	10,217	32,925	30,093
Short-term borrowings	254	92	739	272
Long-term debt	9,338	10,225	27,889	33,669
Total Interest Expense	20,903	20,534	61,553	64,034
Net Interest Income	130,565	125,694	388,535	372,195
Provision for credit losses	4,141	1,000	8,182	(500)
Net Interest Income After Provision for Credit Losses	126,424	124,694	380,353	372,695
NON-INTEREST INCOME
Other service charges and fees	14,407	10,965	38,140	31,316
Service charges on deposit accounts	13,078	12,982	38,532	37,188
Investment management and trust services	11,425	11,237	33,660	33,137
Mortgage banking income	4,529	3,864	12,456	13,891
Investment securities gains, net	2	1,730	1,025	8,290
Other	4,708	3,996	13,610	12,178
Total Non-Interest Income	48,149	44,774	137,423	136,000
NON-INTEREST EXPENSE
Salaries and employee benefits	70,696	65,308	210,097	195,365
Net occupancy expense	11,782	10,710	35,813	36,211
Other outside services	5,783	7,373	17,347	21,248
Data processing	4,610	5,105	15,486	14,767
Software	4,117	3,984	11,991	10,678
Equipment expense	3,137	3,595	9,380	10,888
Supplies and postage	2,559	2,708	7,844	7,803
Professional fees	2,535	2,828	8,221	8,430
FDIC insurance expense	1,791	2,867	7,700	8,574
Marketing	1,774	2,102	5,314	5,570
Telecommunications	1,411	1,587	4,358	4,920
Other real estate owned and repossession expense	742	1,016	1,745	2,507
Operating risk loss	556	1,136	2,082	2,637
Loss on redemption of trust preferred securities	0	5,626	0	5,626
Intangible amortization	0	5	0	241
Other	8,355	8,939	24,520	26,256
Total Non-Interest Expense	119,848	124,889	361,898	361,721
Income Before Income Taxes	54,725	44,579	155,878	146,974
Income taxes	13,257	10,328	36,403	36,007
Net Income	$ 41,468	$ 34,251	$ 119,475	$ 110,967
PER SHARE:
Net Income (Basic) (in dollars per share)	$ 0.24	$ 0.20	$ 0.69	$ 0.63
Net Income (Diluted) (in dollars per share)	0.24	0.20	0.69	0.63
Cash Dividends (in dollars per share)	$ 0.10	$ 0.09	$ 0.29	$ 0.27