Consolidated Statements of Changes in Stockholders' Equity (USD $) In Thousands	Common Stock [Member]	Treasury Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income [Member]	Total
Balance - at Dec. 31, 2009	$ 14,977	$ (728)	$ 8,787	$ 65,623	$ (356)	$ 88,303
Net Income				8,419		8,419
Other comprehensive income, net of taxes					1,538	1,538
Cash dividends declared				(4,506)		(4,506)
Balance - at Dec. 31, 2010	14,977	(728)	8,787	69,536	1,182	93,754
Net Income				8,502		8,502
Other comprehensive income, net of taxes					(527)	(527)
Common stock shares issued	44		213			257
Cash dividends declared				(4,512)		(4,512)
Balance - at Dec. 31, 2011	15,021	(728)	9,000	73,526	655	97,474
Net Income				8,886		8,886
Other comprehensive income, net of taxes					(867)	(867)
Common stock shares issued	49		246			295
Cash dividends declared				(4,524)		(4,524)
Balance - at Dec. 31, 2012	$ 15,070	$ (728)	$ 9,246	$ 77,888	$ (212)	$ 101,264