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v3.22.1

NON-CONTROLLING INTERESTS (Details) - USD ($) $ / shares in Units, $ in Thousands |  | 3 Months Ended |
--- | --- | --- | ---
Aug. 23, 2021 | Mar. 31, 2022 | Mar. 31, 2021 | Dec. 31, 2021
Noncontrolling Interest |  |  |  |
Net loss |  | $ (21,064) | $ (12,466) |
McEwen Copper |  |  |  |
Noncontrolling Interest |  |  |  |
Percentage of ownership by noncontrolling shareholders |  | 18.60% |  |
Percentage of ownership by company before private placement |  | 100.00% |  |
Nonredeemable non-controlling interest |  |  |  | $ 14,900
Contributed Surplus |  |  |  | $ 25,100
Sale To Related Parties | McEwen Copper |  |  |  |
Noncontrolling Interest |  |  |  |
Sale of flow-through common stock (in shares) | 4,000,000 |  |  |
Share price | $ 10.00 |  |  |
Gross proceeds from private placement offering | $ 40,000 |  |  |
Percentage of ownership by noncontrolling shareholders |  | 18.60% |  |
Net loss |  | $ 1,700 |  |

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