Quarterly report pursuant to Section 13 or 15(d)

Fair Value Measurement - Schedule of Quantitative Information Regarding Warrant Liability (Detail)

v3.21.2
Fair Value Measurement - Schedule of Quantitative Information Regarding Warrant Liability (Detail)
Sep. 30, 2021
$ / shares
Aug. 16, 2021
$ / shares
Dec. 31, 2020
$ / shares
Fair value of the Company's common stock [Member] | Private Warrants [Member]      
Fair Value Measurement Inputs and Valuation Techniques [Line Items]      
Warrants and Rights Outstanding, Measurement Input 12.53 9.93  
Fair value of the Company's common stock [Member] | E I B warrants [Member]      
Fair Value Measurement Inputs and Valuation Techniques [Line Items]      
Warrants and Rights Outstanding, Measurement Input 14.55   4.19
Fair value of the Company's common stock [Member] | Contingent Earnout Liability [Member]      
Fair Value Measurement Inputs and Valuation Techniques [Line Items]      
Warrants and Rights Outstanding, Measurement Input 12.53 9.93  
Exercise price [Member] | Private Warrants [Member]      
Fair Value Measurement Inputs and Valuation Techniques [Line Items]      
Warrants and Rights Outstanding, Measurement Input 11.50 11.50  
Exercise price [Member] | E I B warrants [Member]      
Fair Value Measurement Inputs and Valuation Techniques [Line Items]      
Warrants and Rights Outstanding, Measurement Input 0.0001   0.0001
Risk-free interest rate [Member] | Private Warrants [Member]      
Fair Value Measurement Inputs and Valuation Techniques [Line Items]      
Warrants and Rights Outstanding, Measurement Input 0.98 0.75  
Risk-free interest rate [Member] | E I B warrants [Member]      
Fair Value Measurement Inputs and Valuation Techniques [Line Items]      
Warrants and Rights Outstanding, Measurement Input 0.98   0.13
Risk-free interest rate [Member] | Contingent Earnout Liability [Member]      
Fair Value Measurement Inputs and Valuation Techniques [Line Items]      
Warrants and Rights Outstanding, Measurement Input 0.98 0.75  
Expected volatility factor [Member] | Private Warrants [Member]      
Fair Value Measurement Inputs and Valuation Techniques [Line Items]      
Warrants and Rights Outstanding, Measurement Input 6.0 22.0  
Expected volatility factor [Member] | E I B warrants [Member]      
Fair Value Measurement Inputs and Valuation Techniques [Line Items]      
Warrants and Rights Outstanding, Measurement Input 70.0   68.4
Expected volatility factor [Member] | Contingent Earnout Liability [Member]      
Fair Value Measurement Inputs and Valuation Techniques [Line Items]      
Warrants and Rights Outstanding, Measurement Input 70.0 70.0  
Expected Dividend yield [Member] | Private Warrants [Member]      
Fair Value Measurement Inputs and Valuation Techniques [Line Items]      
Warrants and Rights Outstanding, Measurement Input 0 0  
Expected Dividend yield [Member] | E I B warrants [Member]      
Fair Value Measurement Inputs and Valuation Techniques [Line Items]      
Warrants and Rights Outstanding, Measurement Input 0   0
Expected Dividend yield [Member] | Contingent Earnout Liability [Member]      
Fair Value Measurement Inputs and Valuation Techniques [Line Items]      
Warrants and Rights Outstanding, Measurement Input 0 0  
Remaining contractual term (in years) [Member] | Private Warrants [Member]      
Fair Value Measurement Inputs and Valuation Techniques [Line Items]      
Warrants and Rights Outstanding, Term 4 years 10 months 17 days 5 years  
Remaining contractual term (in years) [Member] | E I B warrants [Member]      
Fair Value Measurement Inputs and Valuation Techniques [Line Items]      
Warrants and Rights Outstanding, Term 3 years 10 months 24 days   4 years 8 months 12 days
Remaining contractual term (in years) [Member] | Contingent Earnout Liability [Member]      
Fair Value Measurement Inputs and Valuation Techniques [Line Items]      
Warrants and Rights Outstanding, Term 1 day 1 day