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Convertible Preferred Stock (Details) - USD ($)
$ / shares in Units, $ in Thousands
1 Months Ended 2 Months Ended 12 Months Ended 17 Months Ended
Dec. 02, 2020
Oct. 31, 2020
Sep. 30, 2020
Dec. 31, 2020
Dec. 02, 2020
Jun. 24, 2019
Temporary Equity [Line Items]            
Beneficial conversion feature         $ 12,000  
Series A Convertible Preferred Stock            
Temporary Equity [Line Items]            
Shares authorized (in shares)           102,740,023
Par value (in dollars per share)           $ 0.00001
Merger recapitalization (in shares)       94,818,151    
Series X Convertible Preferred Stock            
Temporary Equity [Line Items]            
Shares authorized (in shares)   20,077,073        
Par value (in dollars per share)   $ 0.00001        
Preferred stock issued (in shares)   1,391,694 17,065,536 18,457,230    
Purchase price (in dollars per share)     $ 9.96      
Gross proceeds from stock issuance   $ 13,860 $ 170,000 $ 178,074    
Merger recapitalization (in shares)       18,457,230    
Series A And Series X Convertible Preferred Stock            
Temporary Equity [Line Items]            
Merger recapitalization (in shares) 113,275,381