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Equity-Based Compensation - Additional Information (Detail) - USD ($)
$ in Millions
1 Months Ended 3 Months Ended 9 Months Ended
Jul. 31, 2021
Mar. 31, 2021
Sep. 30, 2021
Sep. 30, 2021
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Number of share options granted during the period       186,000
Equity based compensation expense     $ 45.7 $ 45.8
Restricted Stock Units (RSUs) [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Estimated weighted average period over which expense is expected to be recognized       1 year 11 months 19 days
Share-based Payment Arrangement, Plan Modification, Incremental Cost   $ 48.9    
Number of grants made during the period       2,017,300
Number of Monthly Installments Granted Equally Following The Termination Of Lockup Period   36 months    
Settlement period on vesting of RSUs   30 days    
Amount of cost to be recognized for non-vested award under share-based payment arrangement     64.4 $ 64.4
Employee Stock Option [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Unrecognized unit compensation expense on unvested unit options     $ 1.5 $ 1.5
Estimated weighted average period over which expense is expected to be recognized       2 years 8 months 26 days
Employee Stock Option [Member] | Equity Incentive Plan 2021 [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Number of grants made during the period 186,000      
Restricted Phantom Class A Common Units [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Number of share options granted during the period 2,422,644      
Share-based Payment Arrangement, Plan Modification, Incremental Cost $ 33.9