Consolidated Statements of Changes in Shareholders' Equity (USD $) In Thousands	Total	Common Stock	Additional Paid in Capital	Retained Earnings	Accumulated Other Comprehensive Income (Loss)
Beginning Balance at Dec. 31, 2009	$ 67,778	$ 8,799	$ 18,552	$ 40,377	$ 50
Comprehensive income:
Net income	2,894			2,894
Other comprehensive income, unrealized holding gains arising during the period (net of tax of $850 in 2011 and $110 in 2010)	214				214
Total comprehensive income	3,108
Stock option exercises (4,250 shares in 2011 and 15,000 shares in 2010)	52	13	39
Dividend reinvestment plan (0 shares in 2011 and 74,721 shares in 2010)	416	62	354
Repurchased under share repurchase program (81,378 shares in 2011 and 129, 878 shares in 2010)	(788)	(109)	(679)
Cash dividend	(211)			(211)
Stock-based compensation expense recognized in earnings	98		98
Ending Balance at Jun. 30, 2010	70,453	8,765	18,364	43,060	264
Beginning Balance at Dec. 31, 2010	72,193	8,664	17,794	47,530	(1,795)
Comprehensive income:
Net income	4,958			4,958
Other comprehensive income, unrealized holding gains arising during the period (net of tax of $850 in 2011 and $110 in 2010)	1,649				1,649
Total comprehensive income	6,607
Stock option exercises (4,250 shares in 2011 and 15,000 shares in 2010)	26	4	22
Repurchased under share repurchase program (81,378 shares in 2011 and 129, 878 shares in 2010)	(584)	(68)	(516)
Cash dividend	(542)			(542)
Stock-based compensation expense recognized in earnings	119		119
Ending Balance at Jun. 30, 2011	$ 77,819	$ 8,600	$ 17,419	$ 51,946	$ (146)