Income Taxes (Details 4) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Operating Loss Carryforwards [Line Items]
U.S.	$ 107,774	$ 60,713	$ 19,870
Interest and penalties recognized	400	(100)	$ 0
Asset
Depreciation and amortization	0	0
Deferred Tax Assets. Right-of-use assets	0	0
Operating lease liabilities	33,139	23,302
Expense accruals	27,109	26,428
Inventories	737	2,199
Provision for receivables	2,365	2,345
Deferred Tax Assets, Deferred Income	12,430	11,582
Operating loss carryforwards	129,675	128,412
Tax credit carryforwards	11,822	8,104
Pensions	0	0
Currency adjustments	1,454	98
Section 163(j) disallowed interest expense	56,019	40,054
Research and development	0	8,236
Stock based compensation	8,691	7,968
Other	3,026	1,524
Subtotal	286,467	260,252
Valuation allowance	(210,273)	(196,776)
Total deferred income taxes	76,194	63,476
Liability
Depreciation and amortization	46,207	47,816
Deferred Tax Liability, Operating lease liabilities	0	0
Deferred Tax Liabilities, Inventory	0	0
Deferred Tax Liabilities, Deferred Expense, Reserves and Accruals	0	0
Deferred Tax Liability, Tax Deferred Expense, Reserve and Accrual, Accounts Receivable, Allowance for Credit Loss	0	0
Right-of-use assets	32,523	22,851
Deferred revenue	0	0
Deferred Tax Liability, Operating loss carryforwards	0	0
Deferred Tax Liability, Tax credit carryforwards	0	0
Deferred Tax Liabilities, Other	0	0
Deferred Tax Liabilities, Unrealized Currency Loss	0	0
Deferred Tax Liability, Tax Deferred Expense, Compensation and Benefits, Pensions	7,734	7,885
Deferred Tax Liability, Disallowed Interest Expense	0	0
Deferred Tax Liabilities, Deferred Expense, Capitalized Research and Development Costs	0	0
Deferred Tax Liability, Tax Deferred Expense, Compensation and Benefits, Share-Based Compensation Cost	0	0
Valuation allowance	0	0
Total deferred income taxes	86,464	78,552
Operating loss carryforward	1,000,000
Domestic Tax Jurisdiction
Operating Loss Carryforwards [Line Items]
Operating loss carryforwards not subject to expiration	16,800
International operations
Operating Loss Carryforwards [Line Items]
Operating losses subject to expiration	9,900
Operating loss carryforwards not subject to expiration	86,200
Asset
Operating loss carryforwards	96,100
U.S. state
Asset
Operating loss carryforwards	16,800
LUXEMBOURG
Asset
Operating loss carryforwards	$ 230,000	230,000
Liability
Operating loss carryforward		$ 1,000,000