General and Basis of Presentation - Restructuring Expenses (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Restructuring Cost and Reserve [Line Items]
Restructuring expenses	$ 1,209	$ 0
Operating Segments | Europe & Africa
Restructuring Cost and Reserve [Line Items]
Restructuring expenses	1,000	0
Corporate
Restructuring Cost and Reserve [Line Items]
Restructuring expenses	$ 209	$ 0