INCOME TAXES - Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2025	Dec. 31, 2024
Gross deferred tax assets:
Pension, postretirement and other employee benefits	$ 88	$ 149
Cellulosic Biofuel Producer Credit tax credit carry forwards	13,374	0
Capitalized real estate costs	4,735	3,570
U.S. TRS net operating loss	29,028	37,284
Other	7,143	8,166
Total gross deferred tax assets	54,368	49,169
Less: Valuation allowance	(53,724)	(48,147)
Total deferred tax assets after valuation allowance	644	1,022
Gross deferred tax liabilities:
Other	(727)	(1,105)
Total gross deferred tax liabilities	(727)	(1,105)
Net deferred tax liability reported as noncurrent	$ (83)	$ (83)