Basis of Presentation - Summary of Assumptions Used in Black-Scholes Option Pricing Model to Determine Fair Value of Warrant Liability (Details) - Black Scholes Option	Sep. 15, 2020 $ / shares	Dec. 31, 2019 $ / shares
Fair Value of Underlying Preferred Stock
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]
Warrants and rights outstanding, measurement input	13.00	9.79
Exercise Price
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]
Warrants and rights outstanding, measurement input	10.812	10.812
Risk-Free Interest Rate
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]
Warrants and rights outstanding, measurement input	0.007	0.019
Expected Volatility
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]
Warrants and rights outstanding, measurement input	0.933	0.800
Expected Term (in years)
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]
Warrants and rights outstanding, term	9 years	9 years 8 months 12 days