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Compensation Plans - Schedule of Grants Issued and Grant Date Fair Value (Details) - USD ($)
9 Months Ended
Sep. 30, 2015
Sep. 30, 2014
Grant date value $ 3,826,458 $ 3,753,088
Shares Outstanding    
Shares issued (shares) 27,192 33,745
Common Stock    
Grant date value $ 3,826,458 $ 3,984,817