Annual report pursuant to Section 13 and 15(d)

Fair Value Measurements - Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation (Detail)

v3.21.2
Fair Value Measurements - Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation (Detail) - Warrant [Member]
5 Months Ended
Dec. 31, 2020
USD ($)
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]  
Initial measurement on October 5, 2020 $ 28,060,000
Transfer to Level 1 (30,800,000)
Transfer to Level 2 (16,170,000)
Change in fair value 18,910,000
Fair value as of December 31, 2020 0
Private Placement Warrants [Member]  
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]  
Initial measurement on October 5, 2020 9,660,000
Transfer to Level 1 0
Transfer to Level 2 (16,170,000)
Change in fair value 6,510,000
Fair value as of December 31, 2020 0
Public Warrants [Member]  
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]  
Initial measurement on October 5, 2020 18,400,000
Transfer to Level 1 (30,800,000)
Transfer to Level 2 0
Change in fair value 12,400,000
Fair value as of December 31, 2020 $ 0