Accumulated Other Comprehensive Income (Details) - USD ($) $ in Thousands		12 Months Ended
		Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance		$ 938,425
Other comprehensive income (loss) before reclassifications		(25,067)	$ (24,506)	$ 11,188
Amounts reclassified from OCI		(993)	8,969	(7,271)
Ending balance		999,598	938,425
Accumulated Other Comprehensive (Loss) Income [Member]
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance		(174,628)	(159,091)	(163,008)
Ending balance		(200,688)	(174,628)	(159,091)
Cash Flow Hedges [Member]
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	[1]	206	749	(199)
Other comprehensive income (loss) before reclassifications	[1]	215	775	(374)
Amounts reclassified from OCI	[1]	(1,020)	(1,318)	1,322
Ending balance	[1]	(599)	206	749
Pension Items [Member]
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	[1]	(353)	(1,965)	(672)
Other comprehensive income (loss) before reclassifications	[1]	(1,466)	1,528	(1,325)
Amounts reclassified from OCI	[1]	27	84	32
Ending balance	[1]	(1,792)	(353)	(1,965)
Foreign Currency Items [Member]
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance		(174,481)	(157,875)	(162,137)
Other comprehensive income (loss) before reclassifications		(23,816)	(26,809)	12,887
Amounts reclassified from OCI		0	10,203	(8,625)
Ending balance		$ (198,297)	$ (174,481)	$ (157,875)

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