Consolidated Statements of Changes in Stockholders' Equity (USD $) In Thousands, unless otherwise specified	Common Stock [Member]	Treasury Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Total
Balance - at Dec. 31, 2010	$ 14,977	$ (728)	$ 8,787	$ 69,536	$ 1,182	$ 93,754
Comprehensive income:
Net income				2,460		2,460
Other comprehensive loss, net of taxes					(137)	(137)
Total Comprehensive Income						2,323
Common stock shares issued	14		72			86
Cash dividends declared				(1,126)		(1,126)
Balance - at Mar. 31, 2011	14,991	(728)	8,859	70,870	1,045	95,037
Balance - at Dec. 31, 2011	15,021	(728)	9,000	73,526	655	97,474
Comprehensive income:
Net income				2,236		2,236
Other comprehensive loss, net of taxes					(72)	(72)
Total Comprehensive Income						2,164
Common stock shares issued	9		44			53
Cash dividends declared				(1,130)		(1,130)
Balance - at Mar. 31, 2012	$ 15,030	$ (728)	$ 9,044	$ 74,632	$ 583	$ 98,561