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Equity-Based Compensation - Leveraged Stock Units (Details) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Sep. 30, 2021
Sep. 30, 2020
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Equity-based compensation expenses $ 4,287 $ 4,834 $ 11,187 $ 16,531
2020 Incentive Compensation Program        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Equity-based compensation expenses   $ 5,900   $ 12,400
Leverage Stock Units | 2020 Incentive Compensation Program        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Awards granted (in shares)     262,406  
Weighted average grant date value (in dollars per share)     $ 78.79  
Equity-based compensation expenses $ 1,600   $ 4,000  
Minimum | Leverage Stock Units | 2020 Incentive Compensation Program        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Award vesting period     3 years  
PSU granted percentage of earnings (as a percent)     0.00%  
Maximum | Leverage Stock Units | 2020 Incentive Compensation Program        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Award vesting period     4 years  
PSU granted percentage of earnings (as a percent)     300.00%