CONSOLIDATED STATEMENT OF CHANGES IN STOCKHOLDERS' EQUITY (USD $) In Thousands, except Share data, unless otherwise specified	Total	Common Stock [Member]	Surplus [Member]	Comprehensive Income [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Treasury Stock [Member]
Balance at Dec. 31, 2011	$ 93,092	$ 11,375	$ 30,157		$ 49,872	$ 7,757	$ (6,069)
Balance, shares at Dec. 31, 2011		5,687,767
Comprehensive Income:
Net Income	2,656			2,656	2,656
Change in net unrealized gains (losses) on investment securities available-for- sale, net of reclassification adjustment and tax effects	1,219			1,219		1,219
Comprehensive Income	3,875			3,875
Issuance of 787 shares treasury stock upon exercise of employee stock options	12		(15)				27
Cash dividends - $.25 per share in 2012, $.26 per share in 2013	(1,361)				(1,361)
Balance at Mar. 31, 2012	95,618	11,375	30,142		51,167	8,976	(6,042)
Balance, shares at Mar. 31, 2012		5,687,767
Balance at Dec. 31, 2012	103,330	11,435	30,725		54,532	12,528	(5,890)
Balance, shares at Dec. 31, 2012		5,717,400
Comprehensive Income:
Net Income	2,526			2,526	2,526
Change in net unrealized gains (losses) on investment securities available-for- sale, net of reclassification adjustment and tax effects	(796)			(796)		(796)
Comprehensive Income	1,730			1,730
Issuance of common stock under dividend reinvestment and stock purchase plans	32	19	231		(218)
Issuance of common stock under dividend reinvestment and stock purchase plans, shares		9,773
Cash dividends - $.25 per share in 2012, $.26 per share in 2013	(1,207)				(1,207)
Balance at Mar. 31, 2013	$ 103,885	$ 11,454	$ 30,956		$ 55,633	$ 11,732	$ (5,890)
Balance, shares at Mar. 31, 2013		5,727,173