Consolidated Statements of Stockholders' Equity (USD $) In Thousands, unless otherwise specified	Total	Common Stock	Surplus	Retained Earnings	Treasury Stock	Accumulated Other Comprehensive Income
Balance at Dec. 31, 2010	$ 65,720	$ 64	$ 20,946	$ 46,463	$ (3,520)	$ 1,767
Increase (Decrease) in Stockholders' Equity
Net income	2,160			2,160
Shares issued under the dividend reinvestment plan ("DRP")	845	1	842		2
Stock awards granted			(336)		336
Vesting of stock awards	(61)				(61)
Tax effect of stock plans	(1)		(1)
Share based compensation expense	259		259
Cash dividend declared, $0.23 per share	(1,477)			(1,477)
Other comprehensive income, net of deferred income taxes	(516)					(516)
Balance at Mar. 31, 2011	66,929	65	21,710	47,146	(3,243)	1,251
Balance at Dec. 31, 2011	106,987	84	54,034	52,228	(1,787)	2,428
Increase (Decrease) in Stockholders' Equity
Net income	2,939			2,939
Shares issued under the dividend reinvestment plan ("DRP")	2,088	1	2,083		4
Stock awards granted			(562)		562
Stock awards forfeited			4		(4)
Vesting of stock awards	(88)				(88)
Tax effect of stock plans	(10)		(10)
Share based compensation expense	366		366
Cash dividend declared, $0.23 per share	(1,923)			(1,923)
Other comprehensive income, net of deferred income taxes	(382)					(382)
Balance at Mar. 31, 2012	$ 109,977	$ 85	$ 55,915	$ 53,244	$ (1,313)	$ 2,046