Consolidated Statements of Stockholders' Equity (USD $)	Total	Preferred Stock	Common Stock	Surplus	Retained Earnings	Accumulated Other Comprehensive Income (Loss)	Treasury Stock
Balance at Dec. 31, 2011 (Previously reported)	$ 102,576,000	$ 29,318,000	$ 4,815,000	$ 30,266,000	$ 40,354,000	$ 1,340,000	$ (3,517,000)
Balance (Change in Accounting Principle)	460,000				460,000
Balance at Dec. 31, 2011	103,036,000	29,318,000	4,815,000	30,266,000	40,814,000	1,340,000	(3,517,000)
Increase (Decrease) in Stockholders' Equity
Net income	2,190,766				2,191,000
Other comprehensive income	107,000					107,000
Stock based compensation expense	20,000			20,000
Accretion of preferred stock discount		515,000			(515,000)
Redemption of 18,255 and 12,000 shares for the six months ended June 30, 2013 and 2012 respectively	(12,000,000)	(12,000,000)
Stock dividend				1,707,000	(1,707,000)
Cash dividends declared, preferred stock	(747,000)				(747,000)
Cash dividends declared, common stock	(465,000)				(465,000)
Balance at Jun. 30, 2012	92,142,000	17,833,000	4,815,000	31,993,000	39,571,000	1,447,000	(3,517,000)
Balance at Dec. 31, 2012	92,220,000	17,977,000	5,001,000	31,816,000	39,118,000	1,825,000	(3,517,000)
Increase (Decrease) in Stockholders' Equity
Net income	1,675,734				1,676,000
Other comprehensive income	(3,572,000)					(3,572,000)
Stock based compensation expense	7,000			7,000
Accretion of preferred stock discount		278,000			(278,000)
Redemption of 18,255 and 12,000 shares for the six months ended June 30, 2013 and 2012 respectively	(18,255,000)	(18,255,000)
Redemption of common stock warrant	(540,000)			(540,000)
Stock dividend				2,284,000	(2,284,000)
Cash dividends declared, preferred stock	(456,000)				(456,000)
Cash dividends declared, common stock	(484,000)				(484,000)
Balance at Jun. 30, 2013	$ 70,596,000		$ 5,001,000	$ 33,567,000	$ 37,292,000	$ (1,747,000)	$ (3,517,000)