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Leases - Additional Information (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Sep. 30, 2021
Sep. 30, 2020
Jan. 31, 2010
Leases [Abstract]          
Option to extend (in years)         3 years
Weighted average remaining lease term (in years) 4 years   4 years    
Weighted average discount rate used to determine the right-of-use assets and corresponding operating lease liabilities 5.80%   5.80%    
Rent expense $ 0.2 $ 0.2 $ 0.5 $ 0.4