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 [Member]	Total
Balance - at Dec. 31, 2010	$ 14,977	$ (728)	$ 8,787	$ 69,536	$ 1,182	$ 93,754
Comprehensive income:
Net income				6,746		6,746
Other comprehensive income, net of taxes					2,154	2,154
Total Comprehensive Income						8,900
Common stock shares issued	33		164			197
Cash dividends declared				(3,382)		(3,382)
Balance - at Sep. 30, 2011	15,010	(728)	8,951	72,900	3,336	99,469
Balance - at Dec. 31, 2011	15,021	(728)	9,000	73,526	655	97,474
Comprehensive income:
Net income				6,668		6,668
Other comprehensive income, net of taxes					707	707
Total Comprehensive Income						7,375
Common stock shares issued	37		183			220
Cash dividends declared				(3,392)		(3,392)
Balance - at Sep. 30, 2012	$ 15,058	$ (728)	$ 9,183	$ 76,802	$ 1,362	$ 101,677