DEBT - Schedule of Interest Expense (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2026	Sep. 30, 2025	Sep. 30, 2026	Sep. 30, 2025
Debt Instrument [Line Items]
Interest and accretion - Finance lease liabilities	$ 2,853	$ 2,602	$ 7,957	$ 7,600
Capitalized interest	(115)	(149)	(361)	(254)
Total interest expense	10,403	10,384	30,974	30,832
Interest income	(171)	(117)	(468)	(346)
Total interest expense, net	10,232	10,267	30,506	30,486
Unsecured Debt \| Interest and accretion - Second Lien Notes
Debt Instrument [Line Items]
Interest and accretion, debt	0	3,421	3,382	9,914
Unsecured Debt \| Interest and accretion - Promissory notes
Debt Instrument [Line Items]
Interest and accretion, debt	815	911	2,688	2,646
Secured Debt
Debt Instrument [Line Items]
Interest and accretion, debt	628	618	1,871	1,825
Secured Debt \| Interest and accretion - 2024 Term Loan
Debt Instrument [Line Items]
Interest and accretion, debt	0	2,981	2,814	9,101
Secured Debt \| Interest and accretion - 2026 Term Loan
Debt Instrument [Line Items]
Interest and accretion, debt	$ 6,222	$ 0	$ 12,623	$ 0

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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