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Environmental rehabilitation provision (Details) - CAD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022
Reconciliation of changes in other provisions [abstract] |  |
Current liabilities | $ 4,204 | $ 9,738
Non-current liabilities | 72,525 | 66,032
Environmental rehabilitation provision |  |
Reconciliation of changes in other provisions [abstract] |  |
Balance - Beginning of year | 75,770 | 53,236
Acquisition of Tintic |  | 4,599
New liabilities | 3,660 | 22,353
Revision of estimates | (3,964) | (5,637)
Accretion expense | 3,154 | 3,223
Settlement of liabilities / payment of liabilities | (2,933) | (3,409)
Currency translation adjustment | 1,042 | 1,405
Balance - End of year | 76,729 | 75,770
Current liabilities | 4,204 | 9,738
Non-current liabilities | 72,525 | 66,032
Total liabilities | 76,729 | $ 75,770
Estimated inflation-adjusted undiscounted cash flows required to settle the environmental rehabilitation | $ 88,600 |
Weighted average actualization rate | 4.47% |

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- Definition The amount of non-current provision for decommissioning, restoration and rehabilitation costs. [Refer: Provision for decommissioning, restoration and rehabilitation costs] + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Name IAS -Number 37 -IssueDate 2023-01-01 -Section D Examples: disclosures -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=37&code=ifrs-tx-2023-en-r&doctype=Illustrative%20Examples&dita_xref=IAS37_IE_D_TI -URIDate 2023-03-23 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Name IAS -Number 37 -IssueDate 2023-01-01 -Paragraph 87 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=37&code=ifrs-tx-2023-en-r&anchor=para_87&doctype=Standard -URIDate 2023-03-23 + Details
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