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INVESTMENTS - Rollforward (Details) - CAD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022
Statement [Line Items] |  |
Investments beginning balance | $ 170,645 | $ 147,692
Purchase of investments | 17,417 |
Sale of investments | (19,901) |
Other income - continuing operations | 136,472 | 55,244
Change in fair value gain to profit and (loss) | 134,736 | 22,953
Investments ending balance | 302,897 | 170,645
Equity Instruments |  |
Statement [Line Items] |  |
Investments beginning balance | 8,109 | 14,578
Purchase of investments | 2,417 |
Sale of investments | 0 |
Investments ending balance | 10,517 | 8,109
Physical Uranium |  |
Statement [Line Items] |  |
Investments beginning balance | 162,536 | 133,114
Purchase of investments | 0 |
Sale of investments | (19,901) |
Change in fair value gain to profit and (loss) | 134,180 | 29,422
Investments ending balance | 276,815 | 162,536
Convertible Debentures |  |
Statement [Line Items] |  |
Investments beginning balance | 0 | 0
Purchase of investments | 15,000 |
Sale of investments | 0 |
Change in fair value gain to profit and (loss) | 565 | 0
Investments ending balance | 15,565 | 0
Investments-equity instruments |  |
Statement [Line Items] |  |
Other income - continuing operations | (9) | (6,469)
Investments-equity instruments | Equity Instruments |  |
Statement [Line Items] |  |
Other income - continuing operations | $ (9) | $ (6,469)

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