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Stock-Based Incentive Plans - Movement in Outstanding Shares of Restricted Class A Common Stock and Weighted-Average Grant Date Fair Value Per Share (Detail) - Restricted Class A Common Stock - $ / shares
12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Restricted Class A Common Stock      
Beginning balance (in shares) 1,883,784 1,706,121  
Granted (in shares) 1,417,806 1,244,131  
Vested (in shares) (1,105,932) (1,026,813)  
Forfeited (in shares) (15,477) (39,655) (29,580)
Ending balance (in shares) 2,180,181 1,883,784 1,706,121
Weighted-Average Grant Date Fair Value Per Share      
Beginning balance (in dollars per share) $ 27.90 $ 31.19  
Granted (in dollars per share) 22.07 26.92  
Vested (in dollars per share) 27.35 32.06  
Forfeited (in dollars per share) 24.55 30.76  
Ending balance (in dollars per share) $ 24.41 $ 27.90 $ 31.19