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
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