v3.20.2

Summary of Significant Accounting Policies - Summary of Significant Unobservable Inputs Used to Estimate Fair Value of Earnout Liability (Detail) - Fair Value Inputs Level3 [Member]	Jun. 30, 2020 $ / shares	Feb. 07, 2020 $ / shares
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]
Weighted Average Assumption Used, Expected IPO date	Oct. 21, 2020	Apr. 15, 2020
Range, Expected IPO date	September 2020 through February 2021	March 2020 through May 2020
Measurement Input, Price Volatility [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]
Weighted Average Assumption Used, Company's net asset value per diluted share	$ 71.06	$ 85.21
Weighted Average [Member] | Measurement Input, Price Volatility [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]
Weighted Average Assumption Used, Peer stock price volatility	0.350	0.200
Minimum | Measurement Input, Price Volatility [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]
Weighted Average Assumption Used, Peer stock price volatility	0.2567	0.1622
Maximum | Measurement Input, Price Volatility [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]
Weighted Average Assumption Used, Peer stock price volatility	0.5892	0.2309

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