Condensed Consolidated Statements of Stockholders' Equity (Unaudited) (USD $) In Thousands, except Share data	Total	Common Stock	Additional Paid-in Capital	Retained Earnings
Balance, Beginning at Dec. 31, 2010	$ 69,487	$ 142	$ 46,475	$ 22,870
Balance Beginning, Shares at Dec. 31, 2010		14,231,933
Stock issued for deferred compensation, Value	354	1	353
Stock issued for deferred compensation, Shares		77,274
Stock-based compensation	138		138
Stock repurchase program, Value	(239)		(239)
Stock repurchase program, Shares		(51,883)
Common stock dividends	(3,008)			(3,008)
Net income	8,991			8,991
Balance, Ending at Dec. 31, 2011	75,723	143	46,727	28,853
Balance Ending, Shares at Dec. 31, 2011		14,257,324
Stock issued for deferred compensation, Value	210		210
Stock issued for deferred compensation, Shares		31,820
Stock-based compensation	94		94
Shares issued upon vesting of restricted stock		8,380
Common stock dividends	(1,728)			(1,728)
Net income	4,652			4,652
Balance, Ending at Jun. 30, 2012	$ 78,951	$ 143	$ 47,031	$ 31,777
Balance Ending, Shares at Jun. 30, 2012		14,297,524