v3.21.1
Summary of Significant Accounting Policies - Additional Information (Detail) - USD ($)
3 Months Ended 6 Months Ended
Sep. 18, 2020
Mar. 31, 2021
Dec. 31, 2020
Accounting Policies [Line Items]      
Assets held in trust non current     $ 414,011,571
Cash insured     250,000
Cash equivalents     $ 0
Warrant [Member] | Subsequent Event [Member]      
Accounting Policies [Line Items]      
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount   10,503,500  
IPO [Member]      
Accounting Policies [Line Items]      
Number of warrants issued 10,350,000    
Private Placement [Member]      
Accounting Policies [Line Items]      
Number of warrants issued 1,535,000    
Assets Held In Trust Non Current [Member]      
Accounting Policies [Line Items]      
Net asset value of asset held in trust     $ 1.00
Common Class A [Member]      
Accounting Policies [Line Items]      
Common stock shares subject to possible redemption     39,911,945
Interest earned on cash equivalents held in trust account     $ 12,000
Common Class B [Member]      
Accounting Policies [Line Items]      
Net income loss before deduction of interest income earned on investments in trust account     $ 2.8