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Equity-Based Compensation (Equity Based Awards - Settled in Cash) (Details) - USD ($)
3 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Dec. 31, 2021
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Accrued equity based compensation $ 18,900,000   $ 22,600,000
Non Current Liabilities      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Accrued equity based compensation 16,900,000   19,700,000
Accrued Expenses, Current      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Accrued equity based compensation 2,000,000   $ 2,900,000
Management Stock Purchase Plan      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Share-based liabilities paid (in thousands) $ 2,545,000 $ 3,510,000  
Management Stock Purchase Plan | Restricted stock units      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Average company stock price measurement period 200 days    
Restricted stock units credited (in shares) $ 2,876 $ 24,085