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Stock-based Compensation - Schedule of Assumptions Used in Black-Scholes Valuation Model to Estimate Fair Value of Stock Options (Details)
3 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]    
Expected volatility, minimum 80.00% 83.10%
Expected volatility, maximum 80.20% 83.50%
Risk-free interest rate, minimum 1.50% 0.60%
Risk-free interest rate, maximum 2.00% 1.10%
Expected dividend yield 0.00% 0.00%
Minimum    
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]    
Expected term 6 years 6 years
Maximum    
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]    
Expected term 6 years 1 month 6 days 6 years 3 months 18 days