Consolidated Statements of Stockholders' Equity (USD $) In Thousands, except Share data	Total	Common Stock	Additional Paid-in Capital	Retained Earnings
Balance at Dec. 31, 2008	$ 64,338	$ 140	$ 45,774	$ 18,424
Balance, shares at Dec. 31, 2008		14,038,257
Stock issued for deferred compensation	338	2	336
Stock issued for deferred compensation, shares		131,069
Stock-based compensation	73		73
Amortization of unearned compensation	14		14
Amortization of unearned compensation, shares		5,000
Common stock dividends ($0.15,$0.20,$0.21 for year 2009, 2010, 2011 respectively)	(2,125)			(2,125)
Net income	4,127			4,127
Balance at Dec. 31, 2009	66,765	142	46,197	20,426
Balance, shares at Dec. 31, 2009		14,174,326
Stock issued for deferred compensation	295		295
Stock issued for deferred compensation, shares		88,269
Stock-based compensation	112		112
Amortization of unearned compensation	10		10
Amortization of unearned compensation, shares		3,750
Stock purchase program	(139)		(139)
Stock purchase program, shares		(34,412)
Common stock dividends ($0.15,$0.20,$0.21 for year 2009, 2010, 2011 respectively)	(2,852)			(2,852)
Net income	5,296			5,296
Balance at Dec. 31, 2010	69,487	142	46,475	22,870
Balance, shares at Dec. 31, 2010		14,231,933
Stock issued for deferred compensation	354	1	353
Stock issued for deferred compensation, shares		77,274
Stock-based compensation	138		138
Stock purchase program	(239)		(239)
Stock purchase program, shares		(51,883)
Common stock dividends ($0.15,$0.20,$0.21 for year 2009, 2010, 2011 respectively)	(3,008)			(3,008)
Net income	8,991			8,991
Balance at Dec. 31, 2011	$ 75,723	$ 143	$ 46,727	$ 28,853
Balance, shares at Dec. 31, 2011		14,257,324