Fair Value Measurements and Fair Value of Financial Instruments - Schedule of Inputs Used for Level 3 Liability (Details) - Level 3 - Fair Value, Recurring - Option Pricing Model - Redeemable Convertible Preferred Stock Warrant	Dec. 31, 2019
Value of Series C Redeemable Preferred Stock Per Share
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]
Warrants and rights outstanding measurement input	6.82
Risk Free Rate
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]
Warrants and rights outstanding measurement input	1.90%
Volatility
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]
Warrants and rights outstanding measurement input	73.50%
Term in Years
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]
Warrants and rights outstanding measurement input	8 years 5 months 1 day