Consolidated Statements of Operations - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Interest income:
Interest and fees on loans	$ 26,370	$ 23,493	$ 76,133	$ 69,850
Interest and dividends on taxable investment securities	5,615	4,456	15,280	13,875
Interest on tax-exempt investment securities	701	771	2,257	2,332
Other interest income	42	10	83	37
Total interest income	32,728	28,730	93,753	86,094
Interest expense:
Interest on deposits	1,865	1,427	5,081	4,531
Interest on short-term borrowings	369	109	853	301
Interest on long-term borrowings	1,274	1,071	3,564	3,064
Total interest expense	3,508	2,607	9,498	7,896
Net interest income	29,220	26,123	84,255	78,198
Provision for loan losses	1,086	1,146	2,657	2,828
Net interest income after provision for loan losses	28,134	24,977	81,598	75,370
Non-interest income:
Insurance income	3,345	3,137	10,861	10,934
Trust and investment income	2,838	2,692	8,497	7,850
Electronic banking income	2,544	2,765	7,692	7,867
Deposit account service charges	2,407	2,833	7,130	7,999
Net gain (loss) on investment securities	1,861	(1)	2,219	862
Mortgage banking income	535	427	1,389	852
Bank owned life insurance income	482	491	1,471	911
Mortgage banking income	76	569	995	997
Net (loss) gain on asset disposals and other transactions	(25)	(224)	81	(1,024)
Other non-interest income	383	624	1,499	1,549
Total non-interest income	14,446	13,313	41,834	38,797
Non-interest expense:
Salaries and employee benefit costs	15,141	14,584	45,686	42,881
Net occupancy and equipment expense	2,619	2,768	7,980	8,155
Electronic banking expense	1,448	1,650	4,487	4,568
Professional fees	1,393	1,661	4,532	5,243
Data processing and software expense	1,092	741	3,330	2,503
Amortization of other intangible assets	869	1,008	2,603	3,023
Franchise tax expense	583	529	1,750	1,550
Marketing expense	488	380	1,122	1,192
FDIC insurance expense	449	549	1,339	1,706
Communication expense	334	518	1,134	1,730
Foreclosed real estate and other loan expenses	214	189	589	540
Other non-interest expense	1,928	2,265	6,017	6,538
Total non-interest expense	26,558	26,842	80,569	79,629
Income before income taxes	16,022	11,448	42,863	34,538
Income tax expense	5,127	3,656	13,393	10,789
Net income	$ 10,895	$ 7,792	$ 29,470	$ 23,749
Earnings per common share - basic	$ 0.60	$ 0.43	$ 1.62	$ 1.31
Earnings per common share - diluted	$ 0.60	$ 0.43	$ 1.61	$ 1.31
Weighted-average number of common shares outstanding - basic	18,056,202	17,993,443	18,043,692	18,015,249
Weighted-average number of common shares outstanding - diluted	18,213,533	18,110,710	18,199,959	18,123,660
Cash dividends declared	$ 4,020	$ 2,912	$ 11,299	$ 8,564
Cash dividends declared per common share	$ 0.22	$ 0.16000	$ 0.62	$ 0.47000