CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS' EQUITY - USD ($) $ in Thousands	Common Stock [Member]	Surplus [Member]	Treasury Stock [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Loss [Member]	Total
Balance at Dec. 31, 2014					$ 1,221
Net income						$ 5,008
Other comprehensive loss					18	18
Balance at Mar. 31, 2015					1,239
Balance at Dec. 31, 2015	$ 13,717	$ 213,203	$ (8,988)	$ 58,123	$ (379)	$ 275,676
Shares outstanding at Dec. 31, 2015	16,068,119					16,068,119
Net income				5,489		$ 5,489
Other comprehensive loss					$ (1,635)	$ (1,635)
Issuance of restricted stock, net of forfeitures	$ (1)	$ 1
Issuance of restricted stock, net of forfeitures, shares	823
Restricted stock repurchased on vesting to pay taxes	$ (18)	(434)				$ (452)
Restricted stock repurchased on vesting to pay taxes, shares	21,739
Amortization of restricted stock		$ 589				589
Cash dividends declared on common stock				(803)		(803)
Common stock option expense		$ 20				20
Common stock options exercised and related tax benefits	$ 4	58				62
Common stock options exercised and related tax benefits, shares	4,615
Sales of shares (Dividend Reinvestment Program)	$ 222	4,163				4,385
Sales of shares (Dividend Reinvestment Program), shares	267,124
Issuance of shares for Employee Stock Purchase Plan	$ 8	166				174
Issuance of shares for Employee Stock Purchase Plan, shares	9,544
Balance at Mar. 31, 2016	$ 13,932	$ 217,766	$ (8,988)	$ 62,809	$ (2,014)	$ 283,505
Shares outstanding at Mar. 31, 2016	16,326,840					16,326,840