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, 2010	$ 45,293,000	$ 1,000	$ 75,000	$ 0	$ (216,000)	$ 45,433,000
Beginning 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
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	0	0	0
Treasury Stock, Shares, Retired		(5,000,000)
Treasury Stock, Value, Acquired, Cost Method	(23,947,000)	(1,000)	(23,946,000)	0	0	0
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
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	20,342,000	0	0	0	0	20,342,000
Other Comprehensive Income (Loss), Available-for-sale Securities Adjustment, Net of Tax	(2,521,000)	0	0	0	(2,521,000)	0
Stock Issued During Period, Shares, Share-based Compensation, Gross		10,476
Stock Issued During Period, Value, Restricted Stock Award, Gross	133,000	0	133,000
Stock Issued During Period, Shares, New Issues		750,000
Stock Issued During Period, Value, New Issues	3,591,000	0	3,591,000
Dividends, Common Stock, Cash	(1,944,000)	0	0	0	0	(1,944,000)
Ending balance at Dec. 31, 2013	$ 107,587,000	$ 2,000	$ 27,800,000	$ (431,000)	$ 92,000	$ 80,124,000
Ending balance (shares) at Dec. 31, 2013	16,209,315	16,209,315