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Shareholders' Equity - Additional Information (Detail) - $ / shares
6 Months Ended
Jun. 30, 2021
Dec. 31, 2020
Mar. 31, 2021
Sep. 30, 2020
Aug. 18, 2020
Class of Stock [Line Items]          
Preferred stock shares authorised 1,000,000 1,000,000      
Preferred stock par or stated value per share $ 0.0001 $ 0.0001      
Preferred stock shares issued 0 0      
Preferred stock shares outstanding 0 0      
Common Class A [Member]          
Class of Stock [Line Items]          
Common stock shares authorised 200,000,000 200,000,000 200,000,000    
Common stock par or stated value per share $ 0.0001 $ 0.0001      
Common stock shares issued 0 24,893,689      
Common stock shares outstanding 0 24,893,689      
Temporary equity shares outstanding 69,000,000 44,106,311 69,000,000 54,536,898 61,845,583
Common stock shares description of voting rights one vote one vote      
Common Class A [Member] | Founder Shares [Member]          
Class of Stock [Line Items]          
Percentage of common stock outstanding 20.00% 20.00%      
Common Class B [Member]          
Class of Stock [Line Items]          
Common stock shares authorised 20,000,000 20,000,000 20,000,000    
Common stock par or stated value per share $ 0.0001 $ 0.0001      
Common stock shares issued 17,250,000 17,250,000      
Common stock shares outstanding 17,250,000 17,250,000      
Common stock shares description of voting rights one vote one vote