Revenue Recognition - Schedule of Contract Liability Activity (Details) - USD ($) $ in Thousands	9 Months Ended	12 Months Ended
	Sep. 30, 2020	Dec. 31, 2019
Change in Contract with Customer, Liability [Abstract]
Beginning balance	$ 12,948	$ 12,997
Payments in advance of satisfaction of performance obligations	14,505	13,030
Revenue recognized	(15,333)	(12,072)
Other, including translation adjustments	399	(1,007)
Ending balance	$ 12,519	$ 12,948