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NATURE OF OPERATIONS (Details) | Dec. 31, 2024 | Oct. 25, 2024 | Oct. 24, 2024 | Jul. 12, 2024 | Jul. 11, 2024
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Various mines in various locations |  |  |  |  |
Nature of operations |  |  |  |  |
Subsidiary ownership interest (as a percent) | 100.00% |  |  |  |
McEwen Copper |  |  |  |  |
Nature of operations |  |  |  |  |
Subsidiary ownership interest (as a percent) | 46.40% | 46.40% | 48.30% | 48.30% | 47.70%
Minera Santa Cruz S.A. |  |  |  |  |
Nature of operations |  |  |  |  |
Subsidiary ownership interest (as a percent) | 49.00% |  |  |  |

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