Income Taxes (Details 2) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Deferred tax assets:
Pension	$ 3,578	$ 11,505
Tax loss carryforwards	24,277	10,970
Inventory valuation	10,363	8,015
Other postretirement/postemployment costs	5,073	7,715
Accrued compensation	11,631	7,430
Goodwill	6,313	8,981
Lease obligation	13,052	8,493
Other	55,248	17,310
Valuation allowance	(41,625)	(6,456)
Total deferred tax assets	87,910	73,963
Deferred tax liabilities:
Depreciation and amortization	(130,227)	(81,409)
Goodwill	(41,313)	(9,899)
Swedish tax incentive	(7,105)	(7,196)
Right of use liability	(14,355)	(8,456)
Other	(5,223)	(11,537)
Total deferred tax liabilities	198,223	118,497
Non-current deferred tax assets	10,295	18,028
Non-current deferred tax liabilities	(120,608)	(62,562)
Net deferred tax liabilities	$ (110,313)	$ (44,534)