CONSOLIDATED STATEMENTS OF INCOME - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
INTEREST INCOME
Loans and loan fees	$ 70,128	$ 62,914	$ 53,570
U.S. Government agency obligations	676	2,079	2,320
Obligations of states and political subdivisions	3,400	4,774	5,812
Collateralized mortgage obligations	353	593	860
Mortgage-backed securities	1,846	1,767	1,936
Corporate bonds	630	311	253
Federal funds sold, securities purchased under agreements to resell and interest-bearing deposits due from banks	354	62	150
Dividends	332	280	152
Total interest income	77,719	72,780	65,053
INTEREST EXPENSE
Savings, N.O.W. and money market deposits	2,084	1,383	1,162
Time deposits	1,305	1,422	1,309
Borrowings	540	442	48
Total interest expense	3,929	3,247	2,519
Net interest income	73,790	69,533	62,534
(Credit) provision for loan losses	(500)	600	1,000
Net interest income after (credit) provision for loan losses	74,290	68,933	61,534
NON-INTEREST INCOME
Service charges on deposit accounts	2,449	3,042	3,681
Other service charges, commissions and fees	2,891	2,718	3,084
Fiduciary fees	0	0	1,023
Net gain on sale of securities available for sale	617	319	19
Net gain on sale of portfolio loans	457	568	217
Net gain on sale of mortgage loans originated for sale	292	356	283
Net gain on sale of premises and equipment	0	0	751
Income from bank-owned life insurance	1,373	1,274	1,355
Other operating income	404	317	487
Total non-interest income	8,483	8,594	10,900
OPERATING EXPENSES
Employee compensation and benefits	35,029	33,446	34,560
Occupancy expense	5,476	5,675	5,535
Equipment expense	1,829	1,636	1,730
Consulting and professional services	2,128	2,159	2,626
FDIC assessment	953	1,082	1,031
Data processing	811	2,123	2,204
Merger costs	2,434	0	0
Nonrecurring project costs	0	1,443	0
Other operating expenses	6,660	6,390	5,733
Total operating expenses	55,320	53,954	53,419
Income before income tax expense	27,453	23,573	19,015
Income tax expense	7,622	5,886	3,720
NET INCOME	$ 19,831	$ 17,687	$ 15,295
EARNINGS PER COMMON SHARE - BASIC (in dollars per share)	$ 1.67	$ 1.50	$ 1.32
EARNINGS PER COMMON SHARE - DILUTED (in dollars per share)	$ 1.66	$ 1.49	$ 1.31
WEIGHTED AVERAGE COMMON SHARES - BASIC (in shares)	11,882,647	11,756,451	11,626,354
WEIGHTED AVERAGE COMMON SHARES - DILUTED (in shares)	11,972,372	11,833,504	11,682,142