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Fair Value Measurements - Additional Information (Detail) - USD ($)
3 Months Ended
Dec. 31, 2020
Sep. 30, 2020
Sep. 29, 2020
Dec. 31, 2020
Jun. 30, 2021
Fair Value Measurements [Line Items]          
Assets held in the Trust Account $ 320,004,826     $ 320,004,826 $ 320,014,519
Assets held in the Trust Account 320,004,846     320,004,846 $ 320,014,519
Fair value per share of common stock   $ 10.14 $ 10.12    
Money Market Funds [Member]          
Fair Value Measurements [Line Items]          
Assets held in the Trust Account 320,004,846     320,004,846  
Private Placement [Member]          
Fair Value Measurements [Line Items]          
Aggregate values 8,500,000 $ 4,900,000 $ 4,400,000    
Public Warrants [Member]          
Fair Value Measurements [Line Items]          
Aggregate values $ 16,100,000 $ 9,300,000 $ 8,200,000    
Initial measurement       $ 16,106,667  
Warrant [Member]          
Fair Value Measurements [Line Items]          
Fair value per share of common stock     $ 0.82