Common Stock and Basic Earnings Per Share (Details)	3 Months Ended
Mar. 31, 2013	Mar. 31, 2012
Common Stock And Earnings Per Share [Abstract]
Weighted Average Number of Shares Outstanding, Basic, Total	12,937,549	12,801,706
Number of shares authorized to be repurchased under the stock repurchase program	1,200,000
Number of remaining shares authorized to be repurchased under the stock repurchase program	1,189,361
Number of shares repurchased and retired under the stock repurchase program	10,639

Number of [basic] shares or units, after adjustment for contingently issuable shares or units and other shares or units not deemed outstanding, determined by relating the portion of time within a reporting period that common shares or units have been outstanding to the total time in that period.

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Reference 6: http://www.xbrl.org/2003/role/presentationRef

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Reference 7: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

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+ Details