Consolidated Statements of Income (unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Interest, fee and dividend income
Interest and fees on loans	$ 68,086	$ 63,414	$ 197,399	$ 187,093
Securities available for sale	7,278	6,013	21,505	17,976
Securities held to maturity	2,746	2,544	8,263	7,328
Other	737	538	2,010	1,441
Total interest, fee and dividend income	78,847	72,509	229,177	213,838
Interest expense
Deposits	3,648	3,607	10,658	10,809
Short-term borrowings	1,870	761	4,375	1,668
Long-term debt	589	819	1,794	2,425
Junior subordinated debt	810	660	2,308	1,920
Total interest expense	6,917	5,847	19,135	16,822
Net interest income	71,930	66,662	210,042	197,016
Provision for loan losses	7,889	6,388	22,835	17,266
Net interest income after provision for loan losses	64,041	60,274	187,207	179,750
Noninterest income
Insurance and other financial services revenue	5,536	6,114	17,927	18,685
Service charges on deposit accounts	4,261	4,354	12,399	12,459
ATM and debit card fees	5,557	5,063	16,025	14,580
Retirement plan administration fees	5,272	4,129	14,881	11,937
Trust	4,927	4,535	14,620	13,848
Bank owned life insurance	1,284	1,336	3,913	3,898
Net securities (losses) gains	(4)	0	(2)	30
Other	3,945	4,113	10,069	12,188
Total noninterest income	30,778	29,644	89,832	87,625
Noninterest expense
Salaries and employee benefits	32,740	32,783	99,081	98,155
Occupancy	5,174	5,035	16,528	15,780
Data processing and communications	4,399	4,183	12,826	12,354
Professional fees and outside services	3,107	3,343	9,748	9,905
Equipment	3,733	3,656	11,224	10,663
Office supplies and postage	1,432	1,438	4,680	4,661
FDIC expenses	1,257	1,287	3,571	3,838
Advertising	665	634	1,711	1,733
Amortization of intangible assets	993	952	2,999	2,976
Loan collection and other real estate owned, net	1,684	985	3,627	2,535
Other	5,417	5,318	16,209	15,683
Total noninterest expense	60,601	59,614	182,204	178,283
Income before income tax expense	34,218	30,304	94,835	89,092
Income tax expense	11,342	10,303	30,321	30,291
Net income	$ 22,876	$ 20,001	$ 64,514	$ 58,801
Earnings per share
Basic (in dollars per share)	$ 0.52	$ 0.46	$ 1.48	$ 1.36
Diluted (in dollars per share)	$ 0.52	$ 0.46	$ 1.47	$ 1.35