MINERAL PROPERTY INTERESTS AND PLANT AND EQUIPMENT- Mineral Properties (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Mineral Property Interests
Mineral property interests	$ 127,597	$ 301,145
Fox Complex
Mineral Property Interests
Mineral property interests	32,519	40,413
Lexam Exploration Properties
Mineral Property Interests
Mineral property interests	41,595	41,595
Los Azules Copper Project
Mineral Property Interests
Mineral property interests		162,669
Los Azules Copper Project - 1.25% NSR
Mineral Property Interests
Mineral property interests	$ 28,821	$ 28,821
Net smelter return (as a percent)	1.25%	1.25%
Tonkin Properties
Mineral Property Interests
Mineral property interests	$ 4,602	$ 4,833
Gold Bar Mine
Mineral Property Interests
Mineral property interests	11,031	12,982
Elder Creek Exploration Property
Mineral Property Interests
Mineral property interests		635
Elder Creek Exploration Property - 1.25% NSR
Mineral Property Interests
Mineral property interests	$ 150	$ 150
Net smelter return (as a percent)	1.25%	1.25%
Fenix Project Properties
Mineral Property Interests
Mineral property interests	$ 8,879	$ 9,047