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Loss Per Share - Additional Information (Details) - shares
3 Months Ended 9 Months Ended
Sep. 30, 2020
Sep. 30, 2019
Sep. 30, 2020
Sep. 30, 2019
Restricted Stock Units (RSUs)        
Earnings Per Share [Line Items]        
Shares excluded from the diluted loss per share calculation 1,529,657 1,954,910 1,529,657 1,954,910