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Equity-Based Compensation - Summary of Equity-Based Compensation Expense related to Non-Vested RSUs (Details)
$ in Thousands
6 Months Ended
Jun. 30, 2017
USD ($)
Service-Based RSUs  
Share-based Compensation  
Unrecognized compensation cost $ 1,297
Weighted average period 1 year 3 months
Performance and market-based RSU's  
Share-based Compensation  
Unrecognized compensation cost $ 3,248
Weighted average period 2 years
RSUs  
Share-based Compensation  
Unrecognized compensation cost $ 4,545
Weighted average period 1 year 10 months 5 days