Quarterly report pursuant to Section 13 or 15(d)

Fair Value Measurements - Summary Of Assets And Liabilities Measured At Fair Value On Recurring Basis (Detail)

v3.21.2
Fair Value Measurements - Summary Of Assets And Liabilities Measured At Fair Value On Recurring Basis (Detail) - USD ($)
Mar. 31, 2021
Dec. 31, 2020
Level 1 [Member] | Fair Value, Recurring [Member] | Public Warrants [Member]    
Liabilities:    
Warrant Liability $ 18,000,000 $ 30,800,000
Level 2 [Member] | Fair Value, Recurring [Member] | Private Placement Warrants [Member]    
Liabilities:    
Warrant Liability 9,450,000 16,170,000
US Treasury Securities [Member]    
Assets:    
Held-to-Maturity Investments 400,181,027 400,090,570
US Treasury Securities [Member] | Level 1 [Member] | Fair Value, Recurring [Member]    
Assets:    
Held-to-Maturity Investments $ 400,181,027 $ 400,090,570