PROPERTY, PLANT AND EQUIPMENT, NET - Summary of Depreciation, Depletion and Amortization (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Property, Plant and Equipment [Line Items]
Depreciation, depletion and amortization	$ 376	$ 377
Depreciation, depletion and amortization	743	757
Total	743	757
Change in inventory	107	3
Total depletion, depreciation and amortization	850	760
Recorded in pre-development, evaluation and exploration
Property, Plant and Equipment [Line Items]
Depreciation, depletion and amortization	14	62
Recorded in general and administrative
Property, Plant and Equipment [Line Items]
Depreciation, depletion and amortization	43	62
Recorded in property maintenance
Property, Plant and Equipment [Line Items]
Depreciation, depletion and amortization	$ 310	$ 256