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Convertible Preferred Stock - Additional Information (Details)
Oct. 27, 2020
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Mar. 31, 2020
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Class Of Stock [Line Items]    
Convertible preferred stock, issued   118,766,273
Number of preferred stock converted into common stock 20,090,745  
Convertible preferred stock, outstanding 0  
Series A-1 Preferred Stock    
Class Of Stock [Line Items]    
Reverse stock split ratio 0.1684664  
Series A2 Preferred Stock    
Class Of Stock [Line Items]    
Reverse stock split ratio 0.1684664  
Series A3 Preferred Stock    
Class Of Stock [Line Items]    
Reverse stock split ratio 0.1684664  
Series B Preferred Stock    
Class Of Stock [Line Items]    
Reverse stock split ratio 0.1684664  
Series C Preferred Stock    
Class Of Stock [Line Items]    
Reverse stock split ratio 0.1684664  
Series D Preferred Stock    
Class Of Stock [Line Items]    
Reverse stock split ratio 0.1684664  
Series E Preferred Stock    
Class Of Stock [Line Items]    
Reverse stock split ratio 0.1684664  
Series F Preferred Stock    
Class Of Stock [Line Items]    
Reverse stock split ratio 0.1684664  
Series G Preferred Stock    
Class Of Stock [Line Items]    
Reverse stock split ratio 0.1684664  
Series H Convertible Preferred Stock    
Class Of Stock [Line Items]    
Reverse stock split ratio 0.1684664  
Series B1 Convertible Preferred Stock    
Class Of Stock [Line Items]    
Reverse stock split ratio 0.196