Income Taxes (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Income from continuing operations before income taxes:
U.S.	$ (21,538)	$ 2,424	$ (10,719)
International	123,033	204,420	218,214
Income before income taxes	101,495	206,844	207,495
Current:
U.S. – federal	3,697	2,068	3,110
U.S. – state	(92)	(1,873)	(623)
International	41,506	60,866	57,871
Current Income Tax Expense (Benefit)	45,111	61,061	60,358
Deferred:
U.S. – federal	1,914	(1,356)	(2,206)
U.S. – state	222	344	(826)
International	(9,127)	(11,555)	(16,017)
Deferred Income Tax Expense (Benefit)	(6,991)	(12,567)	(19,049)
Income taxes	$ 38,120	$ 48,494	$ 41,309