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Restructuring - Additional Information (Details)
1 Months Ended 3 Months Ended 12 Months Ended
Jan. 31, 2021
USD ($)
Nov. 30, 2020
USD ($)
Dec. 31, 2020
USD ($)
Sep. 30, 2020
USD ($)
Jun. 30, 2020
USD ($)
Mar. 31, 2020
USD ($)
Dec. 31, 2021
USD ($)
Dec. 31, 2020
USD ($)
May 31, 2020
Employee
Restructuring Cost And Reserve [Line Items]                  
Termination of full-time employees | Employee                 45
Restructuring charges         $ 554,000 $ 2,919,000 $ 0 $ 3,473,000  
Retention cost         400,000 1,600,000      
Termination benefits paid     $ (186,000) $ (863,000) $ (920,000) (1,496,000)      
First Payment Upon Execution of Retention Agreement                  
Restructuring Cost And Reserve [Line Items]                  
Retention cost           $ 700,000      
Second Payment Upon Closing of Series D Financing                  
Restructuring Cost And Reserve [Line Items]                  
Retention cost   $ 400,000              
Third Payment Upon Execution of Retention Agreement                  
Restructuring Cost And Reserve [Line Items]                  
Retention cost $ 500,000