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Commitments and Contingencies - Narrative (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2020
Sep. 30, 2019
Sep. 30, 2020
Sep. 30, 2019
Loss Contingencies [Line Items]        
Rent expense $ 0.3 $ 0.3 $ 0.7 $ 0.9
Capital lease obligation | Minimum        
Loss Contingencies [Line Items]        
Capital lease term     3 years  
Interest rate 7.00%   7.00%  
Capital lease obligation | Maximum        
Loss Contingencies [Line Items]        
Capital lease term     7 years  
Interest rate 12.00%   12.00%