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Operating Leases - Narrative (Details) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Sep. 30, 2020
Sep. 30, 2019
Sep. 30, 2020
Sep. 30, 2019
Lessee, Lease, Description [Line Items]        
Weighted average remaining lease term 4 years 1 month 6 days 3 years 10 months 24 days 4 years 1 month 6 days 3 years 10 months 24 days
Weighted average discount rate (as a percent) 7.20% 7.60% 7.20% 7.60%
Foreign Currency Transaction Gain, before Tax $ 400     $ 49
Foreign Currency Transaction Loss, before Tax   $ (500) $ (3,500)  
Minimum        
Lessee, Lease, Description [Line Items]        
General term of leased facilities 3 years   3 years  
Maximum        
Lessee, Lease, Description [Line Items]        
General term of leased facilities 5 years   5 years