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SUBSEQUENT EVENT (Details) - McEwen Copper Inc. $ in Millions | Oct. 24, 2024 USD ($) individual shares | Sep. 30, 2024
--- | --- | ---
Subsequent event |  |
Subsidiary ownership interest (as a percent) |  | 48.30%
Subsequent Events |  |
Subsequent event |  |
Shares issued | shares | 1,166,666 |
Proceeds from issuance of common stock | $ | $ 35.0 |
Number of individual investors | individual | 2 |
Subsidiary ownership interest (as a percent) | 46.40% |
Subsequent Events | Individual investors |  |
Subsequent event |  |
Shares issued | shares | 66,669 |
Proceeds from issuance of common stock | $ | $ 2.0 |

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