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Performance Awards - Schedule of Performance Activity (Details) - USD ($)
3 Months Ended
Mar. 31, 2017
Mar. 31, 2016
Deferred Compensation Arrangement with Individual, Share-based Payments [Line Items]    
Forfeitures/ Adjustments $ 0  
Unrecognized Compensation 3,500,000  
Performance Awards    
Deferred Compensation Arrangement with Individual, Share-based Payments [Line Items]    
Unrecognized Compensation 2,000,000 $ 1,800,000
2014 EIP | Performance Awards    
Deferred Compensation Arrangement with Individual, Share-based Payments [Line Items]    
Grant Amount 5,008,000  
Forfeitures/ Adjustments (1,222,000)  
Payments 0  
Grant value 3,786,000  
Unrecognized Compensation 2,030,000  
2014 EIP | November 2014 | Performance Awards    
Deferred Compensation Arrangement with Individual, Share-based Payments [Line Items]    
Grant Amount 2,087,000  
Forfeitures/ Adjustments (1,062,000)  
Payments 0  
Grant value 1,025,000  
Unrecognized Compensation $ 171,000  
Remaining Periods (in Months) to Vesting 7 months  
2014 EIP | November 2015 | Performance Awards    
Deferred Compensation Arrangement with Individual, Share-based Payments [Line Items]    
Grant Amount $ 1,487,000  
Forfeitures/ Adjustments (160,000)  
Payments 0  
Grant value 1,327,000  
Unrecognized Compensation $ 664,000  
Remaining Periods (in Months) to Vesting 19 months  
2014 EIP | November 2016 | Performance Awards    
Deferred Compensation Arrangement with Individual, Share-based Payments [Line Items]    
Grant Amount $ 1,434,000  
Forfeitures/ Adjustments 0  
Payments 0  
Grant value 1,434,000  
Unrecognized Compensation $ 1,195,000  
Remaining Periods (in Months) to Vesting 31 months