CONSOLIDATED STATEMENTS OF INCOME - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
INTEREST INCOME
Interest and fees on loans	$ 43,617	$ 37,155	$ 35,126
Interest and dividends on investment securities:
Taxable	3,847	3,195	3,602
Tax-exempt	3	7	10
Interest on federal funds sold		6	3
Interest on deposits with other banks	334	289	130
Total interest income	47,801	40,652	38,871
INTEREST EXPENSE
Interest on deposits	2,242	2,389	3,331
Interest on short-term borrowings	31	14	15
Total interest expense	2,273	2,403	3,346
NET INTEREST INCOME	45,528	38,249	35,525
Provision for credit losses	2,291	1,848	2,075
NET INTEREST INCOME AFTER PROVISION FOR CREDIT LOSSES	43,237	36,401	33,450
NONINTEREST INCOME
Service charges on deposit accounts	3,628	3,465	2,867
Trust and investment fee income	1,532	1,442	1,627
Gains on sales of investment securities	5	30
Gain on sale of credit card portfolio		198
Insurance agency commissions	8,837	8,551	8,274
Other noninterest income	3,748	2,959	2,648
Total noninterest income	17,750	16,645	15,416
NONINTEREST EXPENSE
Salaries and wages	20,011	17,626	17,540
Employee benefits	4,645	3,993	3,905
Occupancy expense	2,696	2,452	2,420
Furniture and equipment expense	1,035	963	926
Data processing	3,680	3,496	3,260
Directors' fees	380	511	470
Amortization of other intangible assets	314	131	133
FDIC insurance premium expense	599	696	1,214
Write-downs of other real estate owned	272	505	291
Legal and professional fees	2,308	1,875	2,380
Other noninterest expenses	5,262	4,899	4,811
Total noninterest expense	41,202	37,147	37,350
INCOME BEFORE INCOME TAXES	19,785	15,899	11,516
Income tax expense	8,523	6,261	4,408
NET INCOME	$ 11,262	$ 9,638	$ 7,108
Basic net income per common share (in dollars per share)	$ 0.89	$ 0.76	$ 0.56
Diluted net income per common share (in dollars per share)	0.89	0.76	0.56
Dividends paid per common share (in dollars per share)	$ 0.22	$ 0.14	$ 0.04