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INVESTMENTS - Balances (Details) - CAD ($) $ in Thousands | Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
--- | --- | --- | ---
Statement [Line Items] |  |  |
Current investments | $ 8,022 | $ 14,437 |
Long-term | 162,623 | 133,255 |
Total investment | 170,645 | 147,692 | $ 16,950
Uranium |  |  |
Statement [Line Items] |  |  |
Total investment | 162,536 | 133,114 |
Warrants |  |  |
Statement [Line Items] |  |  |
Total investment | 87 | 229 |
Shares |  |  |
Statement [Line Items] |  |  |
Total investment | $ 8,022 | $ 14,349 |

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