Consolidated Statements of Stockholders' Equity (USD $)	Total	Common Stock [Member]	Additional Paid-in Capital [Member]	Treasury Stock [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Retained Earnings [Member]
Beginning balance at Dec. 31, 2009	$ 48,071,000	$ 1,000	$ 75,000	$ 0	$ 1,108,000	$ 46,887,000
Beginning balance (shares) at Dec. 31, 2009		10,573,932
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	(925,000)	0	0	0	0	(925,000)
Other Comprehensive Income (Loss), Available-for-sale Securities Adjustment, Net of Tax	(1,324,000)	0	0	0	(1,324,000)	0
Dividends, Common Stock, Cash	(529,000)	0	0	0	0	(529,000)
Ending balance at Dec. 31, 2010	45,293,000	1,000	75,000	0	(216,000)	45,433,000
Ending balance (shares) at Dec. 31, 2010		10,573,932
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	8,088,000	0	0	0	0	8,088,000
Other Comprehensive Income (Loss), Available-for-sale Securities Adjustment, Net of Tax	2,557,000	0	0	0	2,557,000	0
Treasury Stock, Shares, Retired		(212,083)
Treasury Stock, Value, Acquired, Cost Method	(431,000)	0	0	(431,000)	0	0
Dividends, Common Stock, Cash	(518,000)	0	0	0	0	(518,000)
Ending balance at Dec. 31, 2011	54,989,000	1,000	75,000	(431,000)	2,341,000	53,003,000
Ending balance (shares) at Dec. 31, 2011	10,361,849	10,361,849
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	9,705,000	0	0	0	0	9,705,000
Other Comprehensive Income (Loss), Available-for-sale Securities Adjustment, Net of Tax	272,000	0	0	0	272,000	0
Stock Issued During Period, Shares, Share-based Compensation, Gross		86,990
Stock Issued During Period, Value, Restricted Stock Award, Gross	55,000	0	55,000
Stock Issued During Period, Shares, New Issues		5,000,000
Stock Issued During Period, Value, New Issues	23,947,000	1,000	23,946,000
Dividends, Common Stock, Cash	(982,000)	0	0	0	0	(982,000)
Ending balance at Dec. 31, 2012	$ 87,986,000	$ 2,000	$ 24,076,000	$ (431,000)	$ 2,613,000	$ 61,726,000
Ending balance (shares) at Dec. 31, 2012	15,448,839	15,448,839