Income Taxes Income Tax Reconciliation (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Income Tax Disclosure [Abstract]
Tax at the Netherlands income tax rate	$ 8,981	$ (23,005)	$ 22,895
International earnings taxed at rates other than the Netherlands statutory rate	9,403	14,986	(1,343)
Non-deductible expenses	1,875	2,977	3,516
Change in valuation allowance	1,113	23	(3,491)
State and provincial taxes	462	(227)	(825)
Tax credits	(7,992)	(5,975)	(3,893)
Benefit from corporate restructuring	0	0	(59,336)
Unremitted earnings of subsidiaries	1,236	418	26,126
Adjustments of prior year taxes	1,320	545	(1,684)
Adjustments of income tax reserves	(1,345)	(1,965)	1,084
Non-deductible goodwill impairment	0	15,547	0
Foreign exchange	(1,168)	226	2,014
UK tax rate change	905	0	0
Netherlands audit settlement	1,522	0	0
Accrued withholding taxes	1,648	2,092	2,603
Other	(259)	254	44
Income tax expense (benefit)	$ 15,891	$ 5,896	$ (12,290)