Annual report pursuant to Section 13 and 15(d)

Fair Value Measurements - Held To Maturity Securities (Detail)

v3.21.2
Fair Value Measurements - Held To Maturity Securities (Detail)
Dec. 31, 2020
USD ($)
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]  
Amortized Cost $ 400,085,021
Fair Value, Inputs, Level 1  
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]  
Amortized Cost 400,085,021
Gross Holding Gain 5,549
Fair Value 400,090,570
Fair Value, Inputs, Level 1 | Fair Value, Recurring [Member] | Public Warrants [Member]  
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]  
Financial Liabilities Fair Value Disclosure 30,800,000
Fair Value, Inputs, Level 2 [Member] | Fair Value, Recurring [Member] | Private Placement Warrants [Member]  
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]  
Financial Liabilities Fair Value Disclosure $ 16,170,000