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Description of Business - Additional Information (Details) - USD ($)
3 Months Ended
Aug. 17, 2020
Feb. 10, 2020
Feb. 09, 2020
Mar. 31, 2020
Mar. 31, 2021
Dec. 31, 2020
Organization Consolidation And Presentation Of Financial Statements [Line Items]            
Offering price per share         $ 0.01 $ 0.01
Preferred Stock            
Organization Consolidation And Presentation Of Financial Statements [Line Items]            
Conversion of convertible preferred stock into common stock   226,344,686        
Temporary equity, exchange of convertible preferred stock into limited common stock, Shares     98,406,823      
Limited Common Stock            
Organization Consolidation And Presentation Of Financial Statements [Line Items]            
Offering price per share         $ 0.01 $ 0.01
Exchange of convertible preferred stock into limited common stock, Shares     13,164,193 13,164,193    
Common Stock            
Organization Consolidation And Presentation Of Financial Statements [Line Items]            
Issued and sold shares   1,782,352        
Net proceeds from issuance of common stock $ 325,600,000 $ 209,600,000        
Conversion of convertible preferred stock into common stock   30,278,832   30,278,832    
Issued and sold shares by selling stockholder 500,000          
Proceeds from sale of common stock by stockholder $ 0          
Common Stock | Initial Public Offering            
Organization Consolidation And Presentation Of Financial Statements [Line Items]            
Issued and sold shares   11,882,352   13,664,704    
Offering price per share   $ 17.00        
Common Stock | Follow-on-Public Offering            
Organization Consolidation And Presentation Of Financial Statements [Line Items]            
Issued and sold shares 4,500,000          
Offering price per share $ 66.00          
Common Stock | Underwriter            
Organization Consolidation And Presentation Of Financial Statements [Line Items]            
Issued and sold shares 750,000