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Equity-Based Compensation - Additional Disclosures for Awards (Details) - USD ($)
$ / shares in Units, $ in Thousands
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Weighted average grant date fair value (in dollars per share) $ 3.15 $ 1.84 $ 5.00
Total aggregate intrinsic value of units converted $ 0 $ 0 $ 318,033
2017 Plan      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Total fair value of stock options vested (in thousands) $ 959 $ 176 $ 28,073
Common Units      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Weighted average grant date fair value (in dollars per share) $ 0.00 $ 0.00 $ 7.39
Total fair value of units vested $ 9,423 $ 10,659 $ 1,115
Incentive Units      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Weighted average grant date fair value (in dollars per share) $ 0.00 $ 0.00 $ 10.06
RSUs | 2017 Plan      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Weighted average grant date fair value (in dollars per share) $ 9.12 $ 15.03 $ 18.01
Total fair value of units vested $ 5,114 $ 2,925 $ 365
RSAs | 2017 Plan      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Weighted average grant date fair value (in dollars per share) $ 12.55 $ 13.08  
Total fair value of units vested $ 768 $ 0