Consolidated Statements of Changes in Shareholders' Equity (Unaudited) (USD $) In Thousands, unless otherwise specified	Total	Common Stock	Additional Paid-in Capital	Retained Earnings	Accumulated Other Comprehensive Loss	Treasury Stock
Beginning balance at Dec. 31, 2010	$ 41,852	$ 23,641	$ 20,850	$ 3,413	$ (2,458)	$ (3,594)
Comprehensive income:
Net income	3,244			3,244
Other comprehensive income, net of tax	(828)				(828)
Ending balance at Sep. 30, 2011	44,268	23,641	20,850	6,657	(3,286)	(3,594)
Beginning balance at Dec. 31, 2011	45,719	23,641	20,850	7,485	(2,663)	(3,594)
Comprehensive income:
Net income	3,377			3,377
Other comprehensive income, net of tax	1,464				1,464
Ending balance at Sep. 30, 2012	$ 50,560	$ 23,641	$ 20,850	$ 10,862	$ (1,199)	$ (3,594)