Revenue Recognition - Schedule of Contract Liability Activity (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Increase (Decrease) in Contract with Customer, Liability [Roll Forward]
Beginning balance	$ 12,997	$ 9,003
Payments in advance of satisfaction of performance obligations	13,030	12,170
Revenue recognized	(12,072)	(10,542)
Other, including translation adjustments	1,007	(2,366)
Ending balance	$ 12,948	$ 12,997