MINERAL PROPERTY INTERESTS AND PLANT AND EQUIPMENT- Mineral Properties (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023
Mineral Property Interests
Mineral property interests	$ 165,743	$ 127,597
Fox Complex, other than Lexam
Mineral Property Interests
Mineral property interests	37,015	32,519
Lexam Properties
Mineral Property Interests
Mineral property interests	42,320	41,595
Gold Bar Mine
Mineral Property Interests
Mineral property interests	20,566	11,031
Tonkin Properties
Mineral Property Interests
Mineral property interests	5,623	4,602
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%
Lookout Mountain Project
Mineral Property Interests
Mineral property interests	$ 22,369
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%
Fenix Project Properties
Mineral Property Interests
Mineral property interests	$ 8,879	$ 8,879