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General - Earnings Per Share (Details) - shares
3 Months Ended 9 Months Ended
Sep. 30, 2015
Sep. 30, 2014
Sep. 30, 2015
Sep. 30, 2014
Restricted Stock and Stock Options        
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]        
Anti-dilutive restricted common stock units excluded from computation of earnings per share (shares) 380 180 1,819 1,309