Revenue from Contracts with Customers - Schedule of Changes in Deferred Revenue, Inclusive of Both Current and Long-term (Details)
$ in Thousands
9 Months Ended
Sep. 30, 2020
USD ($)
Movement in Deferred Revenue [Roll Forward]  
Beginning balance $ 8,875
Recognition of deferred revenue (7,646)
Deferral of revenue 6,133
Effect of foreign currency translation 84
Ending balance $ 7,446