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Significant Accounting Policies - Fair Value Assumptions Using Black-Scholes-Merton Option Pricing Model Used to Value Warrant Liabilities (Details) - Valuation Technique, Option Pricing Model | Dec. 31, 2020 $ / shares
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Fair Value Measurement Inputs and Valuation Techniques [Line Items] |
Time until expiration (years) | 3 years 3 months 18 days
Stock price |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |
Warrant liabilities, measurement inputs | 12.33
Exercise price |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |
Warrant liabilities, measurement inputs | 7.63
Expected volatility |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |
Warrant liabilities, measurement inputs | 0.75
Risk-free interest rate |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |
Warrant liabilities, measurement inputs | 0.002
Expected dividend yield |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |
Warrant liabilities, measurement inputs | 0

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