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MINERAL PROPERTY INTERESTS AND PLANT AND EQUIPMENT- Mineral Properties (Details) - USD ($) $ in Thousands | 12 Months Ended
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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

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- Definition Mineral Property Interests [Line Items] + References No definition available. + Details
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- Definition Net Smelter Return is the net revenue that the owner of a mining property receives from the sale of the mine's metal/non metal products less transportation and refining costs. As a royalty it refers to the fraction of net smelter return that a mine operator is obligated to pay the owner of the royalty agreement. + References No definition available. + Details
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- Definition Mineral properties, net of adjustments. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 1 -SubTopic 10 -Topic 360 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482099/360-10-50-1 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 932 -SubTopic 360 -Name Accounting Standards Codification -Section 25 -Paragraph 7 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482479/932-360-25-7 + Details
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