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OTHER NON-CURRENT ASSETS - Narative (Details) - USD ($) shares in Millions, $ in Millions |  |  | 12 Months Ended
--- | --- | --- | ---
Sep. 13, 2023 | Aug. 01, 2023 | Dec. 31, 2023 | Dec. 31, 2022
Disclosure Of Fair Value Measurement Of Assets And Liabilities [Line Items] |  |  |  |
Share purchase agreement, proceeds from sale in share |  | 6.3 |  |
Investments in subsidiaries, fair value of shares sold | $ 9.0 | $ 9.0 |  |
Sale of royalties, fair value, net smelter royalty |  | $ 7.0 |  |
Royalty income, interest, impairment |  |  |  | $ 5.6
Pitangui and Acurui Projects | Jaguar |  |  |  |
Disclosure Of Fair Value Measurement Of Assets And Liabilities [Line Items] |  |  |  |
Ownership interest in subsidiary/divisions |  | 100.00% |  |
Euro Ressources S.A.3 |  |  |  |
Disclosure Of Fair Value Measurement Of Assets And Liabilities [Line Items] |  |  |  |
Ownership interest in subsidiary/divisions |  |  | 90.00% |

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