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Earnings Per Share (Details)
3 Months Ended 9 Months Ended
Sep. 30, 2014
Sep. 30, 2013
Sep. 30, 2014
Sep. 30, 2013
Earnings (Loss) Per Share [Abstract]        
Shares of common stock excluded from computation of diluted earnings per share (in shares) 221,635 192,401 221,635 192,401