Accumulated Other Comprehensive Income (Details) - USD ($) $ in Thousands		3 Months Ended
		Mar. 31, 2023	Mar. 31, 2022
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance		$ 999,598	$ 938,425
Other comprehensive income (loss) before reclassifications		16,541	97
Amounts reclassified from OCI		(240)	(334)
Ending balance		1,028,221	961,710
Accumulated Other Comprehensive (Loss) Income [Member]
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance		(200,688)	(174,628)
Ending balance		(184,387)	(174,865)
Cash Flow Hedges [Member]
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	[1]	(599)	206
Other comprehensive income (loss) before reclassifications	[1]	1,700	242
Amounts reclassified from OCI	[1]	(118)	(342)
Ending balance	[1]	983	106
Pension Items [Member]
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	[1]	(1,792)	(353)
Other comprehensive income (loss) before reclassifications	[1]	0	0
Amounts reclassified from OCI	[1]	(122)	8
Ending balance	[1]	(1,914)	(345)
Foreign Currency Items [Member]
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance		(198,297)	(174,481)
Other comprehensive income (loss) before reclassifications		14,841	(145)
Amounts reclassified from OCI		0	0
Ending balance		$ (183,456)	$ (174,626)

[1] Cash Flow Hedges and Pension Items are net of tax.