Consolidated Statements of Income (unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Interest, fee and dividend income
Interest and fees on loans	$ 65,286	$ 62,449	$ 129,313	$ 123,679
Securities available for sale	7,218	5,976	14,227	11,963
Securities held to maturity	2,736	2,496	5,517	4,784
Other	654	454	1,273	903
Total interest, fee and dividend income	75,894	71,375	150,330	141,329
Interest expense
Deposits	3,536	3,605	7,010	7,202
Short-term borrowings	1,366	579	2,505	907
Long-term debt	599	773	1,205	1,606
Junior subordinated debt	772	641	1,498	1,260
Total interest expense	6,273	5,598	12,218	10,975
Net interest income	69,621	65,777	138,112	130,354
Provision for loan losses	7,567	4,780	14,946	10,878
Net interest income after provision for loan losses	62,054	60,997	123,166	119,476
Noninterest income
Insurance and other financial services revenue	5,621	5,625	12,391	12,571
Service charges on deposit accounts	4,161	4,166	8,138	8,105
ATM and debit card fees	5,518	4,934	10,468	9,517
Retirement plan administration fees	5,437	4,054	9,609	7,808
Trust	5,161	4,937	9,693	9,313
Bank owned life insurance	1,218	1,271	2,629	2,562
Net securities gains	2	1	2	30
Other	3,186	4,626	6,124	8,075
Total noninterest income	30,304	29,614	59,054	57,981
Noninterest expense
Salaries and employee benefits	32,754	32,931	66,341	65,372
Occupancy	5,184	5,254	11,354	10,745
Data processing and communications	4,229	4,121	8,427	8,171
Professional fees and outside services	3,609	3,331	6,641	6,562
Equipment	3,793	3,547	7,491	7,007
Office supplies and postage	1,640	1,676	3,248	3,223
FDIC expenses	1,136	1,293	2,314	2,551
Advertising	656	595	1,046	1,099
Amortization of intangible assets	1,039	928	2,006	2,024
Loan collection and other real estate owned, net	664	845	1,943	1,550
Other	5,617	5,924	10,792	10,365
Total noninterest expense	60,321	60,445	121,603	118,669
Income before income tax expense	32,037	30,166	60,617	58,788
Income tax expense	10,678	10,257	18,979	19,988
Net income	$ 21,359	$ 19,909	$ 41,638	$ 38,800
Earnings per share
Basic (in dollars per share)	$ 0.49	$ 0.46	$ 0.96	$ 0.90
Diluted (in dollars per share)	$ 0.49	$ 0.46	$ 0.95	$ 0.89