INCOME TAXES - Effective Tax Rate Reconciliation, Adoption Of ASU 2023-09 (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Income Tax Expense (Benefit), Effective Income Tax Rate Reconciliation, Amount [Abstract]
U.S. federal income tax rate (benefit) provision at statutory rate	$ (9,546)	$ (6,382)	$ (9,120)
State income taxes, net of federal benefits	2,002	6,592	3,709
State tax credits	2,100
Change in valuation allowance		3,589	87,993
Non-deductible stock-based compensation awards		3,527	1,728
Non-deductible interest expense	2,855
Local statutory timing differences	(2,503)
Statutory rate difference	2,331	8,348	6,842
Tax Assessment settlements	25,259
Effects of deferred rate change	3,685	449	(104)
(Gain) loss on sale of subsidiaries	(1,214)
Group relief adjustment	790
Other	(46)
Convertible debt extinguishment	17,024
Subpart F Income	2,419
Non-deductible or non-taxable items	68	8,847	5,002
Changes in unrecognized tax benefits	(4,222)	(1,133)	(5,117)
Deductible interest expense	(1,690)
Provision (benefit) for income taxes	$ 35,625	$ 26,123	$ 9,508
Effective Income Tax Rate Reconciliation, Percent [Abstract]
U.S. federal income tax rate (benefit) provision at statutory rate	21.00%
State income taxes, net of federal benefits	(4.40%)
State tax credits	(4.60%)
Non-deductible interest expense	(6.30%)
Change in valuation allowance	5.50%
Statutory rate difference	(5.10%)
Tax Assessment settlements	(55.60%)
Deductible interest expense	3.70%
Effects of deferred rate change	(8.10%)
(Gain) loss on sale of subsidiaries	2.70%
Group relief adjustment	(1.70%)
Other	0.10%
Convertible debt extinguishment	(37.50%)
Subpart F Income	(5.30%)
Non-deductible or non-taxable items	(0.10%)
Changes in unrecognized tax benefits	9.30%
Effective tax rate/Provision for income taxes	(78.40%)
State
Income Tax Expense (Benefit), Effective Income Tax Rate Reconciliation, Amount [Abstract]
Change in valuation allowance	$ (3,121)
Effective Income Tax Rate Reconciliation, Percent [Abstract]
Change in valuation allowance	6.90%
United States
Income Tax Expense (Benefit), Effective Income Tax Rate Reconciliation, Amount [Abstract]
Change in valuation allowance	$ (3,255)
Non-deductible stock-based compensation awards	$ 2,091
Effective Income Tax Rate Reconciliation, Percent [Abstract]
Change in valuation allowance	7.20%
Non-deductible stock-based compensation awards	(4.60%)
France
Income Tax Expense (Benefit), Effective Income Tax Rate Reconciliation, Amount [Abstract]
Non-deductible stock-based compensation awards	$ 1,013
Effective Income Tax Rate Reconciliation, Percent [Abstract]
Non-deductible stock-based compensation awards	(2.20%)
Ireland
Income Tax Expense (Benefit), Effective Income Tax Rate Reconciliation, Amount [Abstract]
Change in valuation allowance	$ 3,277
FX on non-trade balances	$ (1,030)
Effective Income Tax Rate Reconciliation, Percent [Abstract]
Change in valuation allowance	(7.20%)
FX on non-trade balances	2.30%
Italy
Income Tax Expense (Benefit), Effective Income Tax Rate Reconciliation, Amount [Abstract]
Change in valuation allowance	$ 1,892
Effective Income Tax Rate Reconciliation, Percent [Abstract]
Change in valuation allowance	(4.20%)
Luxembourg
Income Tax Expense (Benefit), Effective Income Tax Rate Reconciliation, Amount [Abstract]
Change in valuation allowance	$ (3,677)
Effective Income Tax Rate Reconciliation, Percent [Abstract]
Change in valuation allowance	8.10%
Poland
Income Tax Expense (Benefit), Effective Income Tax Rate Reconciliation, Amount [Abstract]
Change in valuation allowance	$ (1,258)
Effective Income Tax Rate Reconciliation, Percent [Abstract]
Change in valuation allowance	2.80%
United Kingdom
Income Tax Expense (Benefit), Effective Income Tax Rate Reconciliation, Amount [Abstract]
Statutory rate difference	$ 433
Effective Income Tax Rate Reconciliation, Percent [Abstract]
Statutory rate difference	(1.00%)
Other
Income Tax Expense (Benefit), Effective Income Tax Rate Reconciliation, Amount [Abstract]
Statutory rate difference	$ (52)
Effective Income Tax Rate Reconciliation, Percent [Abstract]
Statutory rate difference	0.10%