Fair Value of Financial Instruments - First Closing Warrants (Details) - First Closing Warrants |
Dec. 31, 2020 |
|---|---|
| Expected volatility | |
| Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] | |
| Measurement input | 0.937 |
| Risk-free interest rate | |
| Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] | |
| Measurement input | 0.004 |
| Expected dividend yield | |
| Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] | |
| Measurement input | 0 |
| Expected term (years) | |
| Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] | |
| Measurement input | 4.9 |