Foreign Currency Transaction Exposure (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Currency Transaction Gains (Losses) [Line Items]
Currency transaction losses, net	$ (5,181)	$ (2,672)	$ (12,493)	$ (11,025)
Operating income/loss
Currency Transaction Gains (Losses) [Line Items]
Currency transaction losses, net	(4,855)	(2,119)	(7,358)	(8,037)
Other non-operating income/expense, net
Currency Transaction Gains (Losses) [Line Items]
Currency transaction losses, net	$ (326)	$ (553)	$ (5,135)	$ (2,988)