Revenue - Summary of Changes in Deferred Revenue (Details) $ in Thousands	9 Months Ended
	Sep. 30, 2020 USD ($)
Change in Contract with Customer, Liability [Roll Forward]
Deferred revenue, beginning balance	$ 118,939
Deferral of revenue	108,976
Recognition of deferred revenue	(96,379)
Foreign currency translation	(252)
Deferred revenue, ending balance	$ 131,284