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Mineral Property Interests (Details) - CAD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2023 | Dec. 31, 2022
Disclosure Of Mineral Property Interests [Line Items] |  |
Balance, beginning of the year | $ 145,190 | $ 160,693
Sale of Homestake Resources |  | (16,460)
Acquisition of additional ownership interest in ESJV |  | 1,281
Option payment received | (880) | (310)
Dispositions | (1,746) |
Change in estimate of provision for site reclamation and closure | 75 | (14)
Balance, end of the year | 142,639 | 145,190
Quebec [Member] |  |
Disclosure Of Mineral Property Interests [Line Items] |  |
Balance, beginning of the year | 125,656 | 125,094
Sale of Homestake Resources |  | 0
Acquisition of additional ownership interest in ESJV |  | 1,281
Option payment received | (880) | (310)
Dispositions | (1,746) |
Change in estimate of provision for site reclamation and closure | (52) | (409)
Balance, end of the year | 122,978 | 125,656
Nunavut [Member] |  |
Disclosure Of Mineral Property Interests [Line Items] |  |
Balance, beginning of the year | 19,534 | 19,139
Sale of Homestake Resources |  | 0
Acquisition of additional ownership interest in ESJV |  | 0
Option payment received | 0 | 0
Dispositions | 0 |
Change in estimate of provision for site reclamation and closure | 127 | 395
Balance, end of the year | 19,661 | 19,534
British Columbia [Member] |  |
Disclosure Of Mineral Property Interests [Line Items] |  |
Balance, beginning of the year | 0 | 16,460
Sale of Homestake Resources |  | (16,460)
Acquisition of additional ownership interest in ESJV |  | 0
Option payment received | 0 | 0
Dispositions | 0 |
Change in estimate of provision for site reclamation and closure | 0 | 0
Balance, end of the year | $ 0 | $ 0

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