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Commitments and Contingencies - Additional Information (Details)
$ in Thousands
1 Months Ended 3 Months Ended 6 Months Ended
Sep. 30, 2019
ft²
Jun. 30, 2021
USD ($)
Jun. 30, 2020
USD ($)
Jun. 30, 2021
USD ($)
Jun. 30, 2020
USD ($)
Commitments And Contingencies Disclosure [Abstract]          
Operating lease office space | ft² 10,823        
Lease expiration date Jul. 31, 2021        
Operating leases, rent expense | $   $ 178 $ 138 $ 353 $ 313
Operating lease, discount rate   16.40%   16.40%  
Operating lease term   2 years 10 months 24 days   2 years 10 months 24 days