Accumulated Other Comprehensive Income (Details) - USD ($) $ in Thousands		3 Months Ended		9 Months Ended
		Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance		$ 958,967	$ 944,277	$ 938,425	$ 934,336
Other comprehensive income (loss) before reclassifications		(26,932)	(14,992)	(54,998)	(21,344)
Amounts reclassified from OCI		(119)	(240)	(597)	9,282
Ending balance		954,514	939,392	954,514	939,392
Accumulated Other Comprehensive (Loss) Income [Member]
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance		(203,172)	(155,921)	(174,628)	(159,091)
Ending balance		(230,223)	(171,153)	(230,223)	(171,153)
Cash Flow Hedges [Member]
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	[1]	(152)	817	206	749
Other comprehensive income (loss) before reclassifications	[1]	380	(115)	516	729
Amounts reclassified from OCI	[1]	(127)	(292)	(621)	(1,068)
Ending balance	[1]	101	410	101	410
Pension Items [Member]
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	[1]	(337)	(1,861)	(353)	(1,965)
Other comprehensive income (loss) before reclassifications	[1]	0	0	0	0
Amounts reclassified from OCI	[1]	8	52	24	156
Ending balance	[1]	(329)	(1,809)	(329)	(1,809)
Foreign Currency Items [Member]
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance		(202,683)	(154,877)	(174,481)	(157,875)
Other comprehensive income (loss) before reclassifications		(27,312)	(14,877)	(55,514)	(22,073)
Amounts reclassified from OCI		0	0	0	10,194
Ending balance		$ (229,995)	$ (169,754)	$ (229,995)	$ (169,754)

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