PROPERTY, PLANT AND MINE DEVELOPMENT (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Property, Plant and Equipment [Line Items]
Property, plant and mine development	$ 127,413	$ 71,626
Accumulated depreciation	(327)	(85)
Property, plant and mine development, net	127,086	71,541
Mining interests
Property, Plant and Equipment [Line Items]
Property, plant and mine development	81,481	56,120
Mine development
Property, Plant and Equipment [Line Items]
Property, plant and mine development	6,255	3,050
Land
Property, Plant and Equipment [Line Items]
Property, plant and mine development	3,259	720
Leasehold improvements
Property, Plant and Equipment [Line Items]
Property, plant and mine development	401	281
Facilities and equipment
Property, Plant and Equipment [Line Items]
Property, plant and mine development	916	675
Construction in process
Property, Plant and Equipment [Line Items]
Property, plant and mine development	$ 35,101	$ 10,780