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Convertible Preferred Stock - Additional Information (Detail) - USD ($)
$ / shares in Units, $ in Millions
1 Months Ended
Mar. 09, 2021
Jan. 31, 2021
Nov. 30, 2020
H      
Convertible Preferred Stock [Line Items]      
Temporary equity shares issued during the period shares (in shares)   11,888,886  
Temporary equity issue price (in dollars per share) $ 45.0 $ 45.00  
Proceeds from issuance of redeemable convertible preferred stock   $ 534.3  
Common Class A | Before Direct Listing      
Convertible Preferred Stock [Line Items]      
Conversion of temporary equity into permanent equity shares (in shares) 349,123,976    
Common Class A | Affiliated Entity      
Convertible Preferred Stock [Line Items]      
Conversion of common stock of one class into common stock of another class (in shares)     57,300,000
Common Class B | Affiliated Entity      
Convertible Preferred Stock [Line Items]      
Conversion of common stock of one class into common stock of another class (in shares)     57,300,000