Consolidated Statements of Changes in Shareholders' Equity (Unaudited) (USD $) In Thousands	Total	COMMON STOCK	ADDITIONAL PAID-IN CAPITAL	RETAINED EARNINGS	ACCUMULATED OTHER COMPREHENSIVE LOSS	TREASURY STOCK
Beginning balance at Dec. 31, 2009	$ 36,908	$ 23,641	$ 20,850	$ 142	$ (4,131)	$ (3,594)
Comprehensive income:
Net income	2,235			2,235
Other comprehensive income (loss), net of tax:
Unrealized gains (losses) on available-for-sale securities, net of reclassification adjustment net of tax of $213 and ($447) for the nine months ended Sep 30, 2010 and 2011, respectively	413				413
Other comprehensive gain related to securities for which other-than-temporary impairment has been recognized in earnings, net of reclassification adjustment, net of tax of $593 and $21 for the nine months ended Sep 30, 2010 and 2011, respectively	1,150				1,150
Total comprehensive income	3,798
Ending balance at Sep. 30, 2010	40,706	23,641	20,850	2,377	(2,568)	(3,594)
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 (loss), net of tax:
Unrealized gains (losses) on available-for-sale securities, net of reclassification adjustment net of tax of $213 and ($447) for the nine months ended Sep 30, 2010 and 2011, respectively	(868)				(868)
Other comprehensive gain related to securities for which other-than-temporary impairment has been recognized in earnings, net of reclassification adjustment, net of tax of $593 and $21 for the nine months ended Sep 30, 2010 and 2011, respectively	40				40
Total comprehensive income	2,416
Ending balance at Sep. 30, 2011	$ 44,268	$ 23,641	$ 20,850	$ 6,657	$ (3,286)	$ (3,594)