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Equity-Based Compensation - 2017 Omnibus Incentive Plan (Details) - 2017 Omnibus Incentive Plan
3 Months Ended 6 Months Ended
Jun. 30, 2017
$ / shares
shares
Jun. 30, 2017
$ / shares
shares
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]    
Maximum number of awards authorized for grant (in shares) 14,000,000.0 14,000,000.0
Options    
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]    
Restricted stock, number of shares granted in the period (in shares)   500,000
Options, weighted average grant date fair value (in dollars per share) | $ / shares   $ 8.39
Class A | Restricted Stock Awards    
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]    
Restricted stock, number of shares granted in the period (in shares) 600,000 600,000
Restricted stock, weighted average grant date fair value (in dollars per share) | $ / shares $ 16.96  
Options, weighted average grant date fair value (in dollars per share) | $ / shares   $ 16.96
Class A | Class A    
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]    
Number of shares available for grant (in shares) 12,900,000 12,900,000
Options, number of shares granted in the period (in shares) 500,000  
Options, weighted average grant date fair value (in dollars per share) | $ / shares $ 8.31