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Investment In Associate - Summary Of Investment In Associate (Detail) - CAD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2024 | Dec. 31, 2023
Share of income during the period |  |
Balance,Beginning | $ 240,116 |
Share of net income (loss) from associate | (13,798) | $ 920
Share of other comprehensive income (loss) from associate | (3,389) | 539
Loss on dilution of ownership interest in associate | 113 | 0
Balance, Ending | 229,594 | 240,116
IsoEnergy Ltd. [member] |  |
Share of income during the period |  |
Balance,Beginning | 240,116 | 0
Fair value of retained interest in IsoEnergy on December 5, 2023 |  | 239,735
Share of net income (loss) from associate | (13,798) | 920
Share of other comprehensive income (loss) from associate | 3,389 | (539)
Loss on dilution of ownership interest in associate | (113) |
Balance, Ending | 229,594 | $ 240,116
Fair value of investment in associate as at December 31, 2024 | $ 151,813 |

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- Definition Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table. + References No definition available. + Details
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- Definition The amount of investments in associates in an entity's separate financial statements. [Refer: Total for all associates [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 27 -IssueDate 2024-01-01 -Paragraph 10 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=27&code=ifrs-tx-2024-en-r&anchor=para_10&doctype=Standard -URIDate 2024-03-27 + Details
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- Definition The entity's share of the other comprehensive income of associates and joint ventures accounted for using the equity method, net of tax. [Refer: Total for all associates [member]; Investments accounted for using equity method; Total for all joint ventures [member]; Other comprehensive income] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 12 -IssueDate 2024-01-01 -Paragraph B16 -Subparagraph c -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2024-en-r&anchor=para_B16_c&doctype=Appendix&subtype=B -URIDate 2024-03-27 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2024-01-01 -Paragraph 91 -Subparagraph a -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2024-en-r&anchor=para_91_a&doctype=Standard -URIDate 2024-03-27 + Details
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- Definition The entity's share of the profit (loss) of associates accounted for using the equity method. [Refer: Total for all associates [member]; Investments accounted for using equity method; Profit (loss)] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2024-01-01 -Paragraph 85 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2024-en-r&anchor=para_85&doctype=Standard -URIDate 2024-03-27 + Details
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- Definition Investment in assocaites acquired. + References No definition available. + Details
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