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Investments - Rollforward (Details) - CAD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023
Statement [Line Items] |  |
Investments beginning balance | $ 302,897 | $ 170,645
Acquisition of investments | 2,464 | 17,417
Sale of investments | (13,598) | (19,901)
Other (expense) income - continuing operations | (31,249) | 136,472
Change in fair value gain to profit and (loss) | (39,628) | 134,736
Investments ending balance | 252,135 | 302,897
Equity Instruments |  |
Statement [Line Items] |  |
Investments beginning balance | 10,517 | 8,109
Acquisition of investments | 977 | 2,417
Sale of investments | 0 | 0
Investments ending balance | 6,560 | 10,517
Investment in Associates |  |
Statement [Line Items] |  |
Investments beginning balance | 0 | 0
Acquisition of investments | 1,487 |
Investments ending balance | 1,487 | 0
Physical Uranium |  |
Statement [Line Items] |  |
Investments beginning balance | 276,815 | 162,536
Acquisition of investments | 0 | 0
Sale of investments | (13,598) | (19,901)
Change in fair value gain to profit and (loss) | (32,129) | 134,180
Investments ending balance | 231,088 | 276,815
Convertible Debentures |  |
Statement [Line Items] |  |
Investments beginning balance | 15,565 | 0
Acquisition of investments | 0 | 15,000
Sale of investments | 0 | 0
Change in fair value gain to profit and (loss) | (2,565) | 565
Investments ending balance | 13,000 | 15,565
Investments-equity instruments |  |
Statement [Line Items] |  |
Other (expense) income - continuing operations | (4,934) | (9)
Investments-equity instruments | Equity Instruments |  |
Statement [Line Items] |  |
Other (expense) income - continuing operations | $ (4,934) | $ (9)

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- Definition The increase in investment property resulting from acquisitions through business combinations. [Refer: Total for all business combinations [member]; Investment property] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 40 -IssueDate 2024-01-01 -Paragraph 76 -Subparagraph b -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=40&code=ifrs-tx-2024-en-r&anchor=para_76_b&doctype=Standard -URIDate 2024-03-27 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 40 -IssueDate 2024-01-01 -Paragraph 79 -Subparagraph d -Clause ii -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=40&code=ifrs-tx-2024-en-r&anchor=para_79_d_ii&doctype=Standard -URIDate 2024-03-27 + Details
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