Consolidated Statements Of Changes In Shareholders' Equity (USD $) In Thousands, except Share data	Preferred Stock, Series A [Member]	Common Stock [Member]	Common Stock Warrants [Member]	Capital Surplus [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income [Member]	Comprehensive Income [Member]	Total
Balance, value at Dec. 31, 2009	$ 17,122	$ 9,968	$ 878	$ 25,803	$ 29,555	$ 1,049		$ 84,375
Balance, share at Dec. 31, 2009		2,847,881
Unrealized gain, net of income tax expense						2,497	2,497	2,497
Net income					1,984		1,984	1,984
Total comprehensive income							4,481
Stock based compensation				28				28
Stock options exercised, value		6		13				19
Stock options exercised, shares		1,960
Preferred stock accretion	124				(124)			(124)
Cash dividends on preferred stock					(673)			(673)
Cash dividends					(598)			(598)
Balance, value at Sep. 30, 2010	17,246	9,974	878	25,844	30,144	3,546		87,632
Balance, share at Sep. 30, 2010		2,849,841
Balance, value at Dec. 31, 2010	17,288	9,974	878	25,852	28,554	(1,652)		80,894	[1]
Balance, share at Dec. 31, 2010		2,849,841
Unrealized gain, net of income tax expense						2,889	2,889	2,889
Post retirement health insurance benefit adjustment, net of income tax benefit of $42						(67)	(67)	(67)
Net income					588		588	588
Total comprehensive income							3,410
Stock based compensation				16				16
Preferred stock accretion	124				(124)			(124)
Cash dividends on preferred stock					(673)			(673)
Cash dividends					(399)			(399)
Balance, value at Sep. 30, 2011	$ 17,412	$ 9,974	$ 878	$ 25,868	$ 27,946	$ 1,170		$ 83,248
Balance, share at Sep. 30, 2011		2,849,841

[1] Derived from audited consolidated financial statements.