Restructuring - Accrued Liability Balance by Cost Type (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
	Sep. 30, 2020	Sep. 30, 2020
Restructuring Reserve [Roll Forward]
Balance at beginning of period		$ 0
Pre-tax restructuring expenses, excluding asset write-off expenses		9,485
Cash paid	$ (200)	(203)
Currency translation adjustments		(119)
Balance at end of period	$ 9,163	$ 9,163