Consolidated Statements of Changes in Stockholders' Equity (USD $) In Thousands, except Share data	Common Stock [Member]	Surplus [Member]	Retained Earnings [Member]	Treasury Stock [Member]	Accumulated Other Comprehensive Income [Member]	Total
Balance, at Dec. 31, 2012	$ 337	$ 24,737	$ 66,742	$ (2,192)	$ 2,797	$ 92,421
Shares, Issued, Beginning Balance at Dec. 31, 2012	3,371,849			75,426
Net Income			4,147			4,147
Other comprehensive loss					(3,984)	(3,984)
Cash dividends declared per share			(2,070)			(2,070)
Acquisition of treasury stock				(319)		(319)
Acquisition of treasury stock, shares				10,713
10% stock dividend	34	10,149	(10,193)			(10)
10% stock dividend, shares	336,869			8,043
Compensation expense related to stock options		79				79
Stock options exercised		(32)		212		180
Stock options exercised, shares				(7,433)		(7,433)
Tax benefit on stock options exercised		16				16
Balance, at Jun. 30, 2013	$ 371	$ 34,949	$ 58,626	$ (2,299)	$ (1,187)	$ 90,460
Shares, Issued, Ending Balance at Jun. 30, 2013	3,708,718			86,749