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Leases - Additional Information (Details) - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Lessee, Lease, Description [Line Items]    
Operating lease expense $ 0.4 $ 0.4
Weighted average remaining lease term for operating leases 6 years 2 months 12 days  
Weighted average discount rate 6.25%  
Cash payments for operating lease expense $ 0.5 $ 0.4
Minimum    
Lessee, Lease, Description [Line Items]    
Remaining lease term 1 year  
Maximum    
Lessee, Lease, Description [Line Items]    
Remaining lease term 8 years