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Share-Based Compensation - Schedule of Fair Value of Stock Options Estimated on Date of Grant Using Black-Scholes Option Pricing Model (Details) - $ / shares
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]    
Expected dividend yield 0.00%  
Options    
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]    
Risk-free interest rate, minimum 1.60% 0.60%
Risk-free interest rate, maximum 4.20% 1.40%
Expected volatility, minimum 75.70% 77.30%
Expected volatility, maximum 78.90% 79.90%
2020 Employee Stock Purchase Plan    
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]    
Risk-free interest rate, minimum 1.60%  
Risk-free interest rate, maximum 4.70%  
Expected volatility, minimum 63.80%  
Expected volatility, maximum 151.90%  
Expected term (in years) 6 months  
Minimum | Options    
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]    
Common stock fair value $ 5.99 $ 15.35
Expected term (in years) 5 years 6 months 5 years 6 months
Maximum | Options    
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]    
Common stock fair value $ 18.44 $ 54.89
Expected term (in years) 6 years 1 month 6 days 6 years 1 month 6 days