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Fair Value Measurements - Schedule of initial measurement (Detail) - $ / shares
Sep. 30, 2020
Sep. 29, 2020
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Abstract]    
Risk-free interest rate 0.30% 0.30%
Expected term to initial business combination (years) 7 months 6 days 7 months 6 days
Expected volatility 15.00% 15.00%
Exercise price $ 11.50 $ 11.50
Fair value of Units $ 10.14 $ 10.12