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SUPPLEMENTAL CASH FLOW INFORMATION (Schedule of significant non-cash financing and investing transactions) (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2023 | Dec. 31, 2022
SUPPLEMENTAL CASH FLOW INFORMATION |  |
Acquisition of Chesser | $ 45,548 |
Mineral properties, plant and equipment changes in closure and reclamation provision | (9,559) | $ 5,021
Stock options allocated to share capital upon exercise | 96 |
Additions to right of use assets | 48,805 | 2,774
Share units allocated to share capital upon settlement | $ 2,864 | $ 2,525

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