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Equity-Based Compensation Expenses - Additional Information (Detail) - USD ($)
$ / shares in Units, $ in Thousands
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Equity-classified RSUs      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Unvested Units, Modified   640,797  
Weighted-Average Grant-Date Fair Value, Granted $ 15.33 $ 23.34 $ 31.60
Unrecognized Compensation Expense $ 61,500    
Weighted-Average Amortization Period 2 years 3 months 18 days    
Granted 1,890,579    
Liability-classified RSUs      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Unvested Units, Modified   734,599  
Weighted-Average Grant-Date Fair Value, Modified   $ 63.62  
Weighted-Average Grant-Date Fair Value, Granted $ 15.25 15.00  
Unrecognized Compensation Expense $ 22,500    
Weighted-Average Amortization Period 3 years    
Granted 65,277    
PSUs      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Weighted-Average Grant-Date Fair Value, Granted $ 0 $ 11.82  
Unrecognized Compensation Expense $ 4,500    
Weighted-Average Amortization Period 1 year 2 months 12 days    
Granted 0 1,000,000  
Expected Volatility Rate   35.00%  
Expected Dividend Rate   10.00%  
Risk Free Interest Rate   2.60%  
Expected Term   3 years 1 month 6 days  
PSUs | Performance Threshold - 25%      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Incremental Percent Of Units Vested Once Performance Threshold Is Met 20.00%    
PSUs | Performance Threshold - 50%      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Incremental Percent Of Units Vested Once Performance Threshold Is Met 40.00%    
PSUs | Performance Threshold - 75%      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Incremental Percent Of Units Vested Once Performance Threshold Is Met 20.00%    
PSUs | Performance Threshold - 125%      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Incremental Percent Of Units Vested Once Performance Threshold Is Met 20.00%    
PSUs | Incremental 20% Vest, Total 20% Vest      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Percent Of Performance Condition For Units Vesting 25.00%    
PSUs | Incremental 40% Vest, Total 60% Vest      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Percent Of Performance Condition For Units Vesting 50.00%    
PSUs | Incremental 20% Vest, Total 80% Vest      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Percent Of Performance Condition For Units Vesting 75.00%    
PSUs | Incremental 20% Vest, Total 100% Vest      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Percent Of Performance Condition For Units Vesting 125.00%    
Group A Units      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Unvested Units, Modified   600,000  
Weighted-Average Grant-Date Fair Value, Granted $ 0   21.85
Unrecognized Compensation Expense $ 740    
Weighted-Average Amortization Period 3 months 18 days    
Granted 0    
Discount for Post-vesting Restrictions 5.00%    
Group E Units      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Weighted-Average Grant-Date Fair Value, Granted $ 8.61    
Unrecognized Compensation Expense $ 53,800    
Weighted-Average Amortization Period 2 years 1 month 6 days    
Granted 13,684,124    
Group P Units      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Unvested Units, Modified   2,900,000  
Weighted-Average Grant-Date Fair Value, Granted $ 5.94   $ 12.50
Unrecognized Compensation Expense $ 8,400    
Weighted-Average Amortization Period 1 year    
Granted 225,000   7,185,000
Expected Volatility Rate     36.00%
Expected Dividend Rate     10.00%
Risk Free Interest Rate     2.20%
Expected Term     3 years 8 months 12 days
Group P Units | Performance Threshold - 25%      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Incremental Percent Of Units Vested Once Performance Threshold Is Met 20.00%    
Group P Units | Performance Threshold - 50%      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Incremental Percent Of Units Vested Once Performance Threshold Is Met 40.00%    
Group P Units | Performance Threshold - 75%      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Incremental Percent Of Units Vested Once Performance Threshold Is Met 20.00%    
Group P Units | Performance Threshold - 125%      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Incremental Percent Of Units Vested Once Performance Threshold Is Met 20.00%    
Group P Units | Incremental 20% Vest, Total 20% Vest      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Percent Of Performance Condition For Units Vesting 25.00%    
Group P Units | Incremental 40% Vest, Total 60% Vest      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Percent Of Performance Condition For Units Vesting 50.00%    
Group P Units | Incremental 20% Vest, Total 80% Vest      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Percent Of Performance Condition For Units Vesting 75.00%    
Group P Units | Incremental 20% Vest, Total 100% Vest      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Percent Of Performance Condition For Units Vesting 125.00%