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Organization and Description of Business - Additional Information (Details)
$ in Thousands
3 Months Ended
Mar. 31, 2021
USD ($)
Segment
Dec. 31, 2020
USD ($)
Organization Consolidation And Presentation Of Financial Statements [Abstract]    
Number of operating segments | Segment 1  
Accumulated deficit $ 137,394 $ 118,021
Cash, cash equivalents restricted cash and short-term investments $ 299,700