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Fair value of financial instruments (Tables) | 12 Months Ended
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Dec. 31, 2023
Disclosure of fair value measurement of assets [abstract] |
Disclosure of significant observable inputs used in fair value measurement [Table Text Block] |
|  |  |  |  |  |  |  | December 31, 2023 |
|  |  | Level 1 |  |  | Level 2 |  |  | Level 3 |  |  | Total |
|  |  | $ |  |  | $ |  |  | $ |  |  | $ |
Recurring measurements |  |  |  |  |  |  |  |  |  |  |  |
Financial assets at fair value through profit or loss (i) |  |  |  |  |  |  |  |  |  |  |  |
Warrants on equity securities and convertible debentures and notes |  |  |  |  |  |  |  |  |  |  |  |
| Publicly traded mining companies |  |  |  |  |  |  |  |  |  |  |  |
| Precious metals |  | - |  |  | - |  |  | 8,870 |  |  | 8,870 |
| Other minerals |  | 43 |  |  | - |  |  | 36 |  |  | 79 |
Financial assets at fair value through other comprehensive (loss) income (i) |  |  |  |  |  |  |  |  |  |  |  |
Equity securities |  |  |  |  |  |  |  |  |  |  |  |
| Publicly traded mining companies |  |  |  |  |  |  |  |  |  |  |  |
| Precious metals |  | 3,555 |  |  | - |  |  | 199 |  |  | 3,754 |
| Other minerals |  | 80,322 |  |  | - |  |  | - |  |  | 80,322 |
|  |  | 83,920 |  |  | - |  |  | 9,105 |  |  | 93,025 |
|  |  |  |  |  |  |  | December 31, 2022 |
|  |  | Level 1 |  |  | Level 2 |  |  | Level 3 |  |  | Total |
|  |  | $ |  |  | $ |  |  | $ |  |  | $ |
Recurring measurements |  |  |  |  |  |  |  |  |  |  |  |
Financial assets at fair value through profit or loss (i) |  |  |  |  |  |  |  |  |  |
Warrants on equity securities and convertible debentures and notes |  |  |  |  |  |  |  |  |  |  |  |
| Publicly traded mining companies |  |  |  |  |  |  |  |  |  |  |  |
| Precious metals |  | - |  |  | - |  |  | 18,026 |  |  | 18,026 |
| Other minerals |  | 844 |  |  | - |  |  | 5,347 |  |  | 6,191 |
Financial assets at fair value through other comprehensive (loss) income (i) |  |  |  |  |  |  |  |  |  |  |  |
Equity securities |  |  |  |  |  |  |  |  |  |  |  |
| Publicly traded mining companies |  |  |  |  |  |  |  |  |  |  |  |
| Precious metals |  | 6,288 |  |  | - |  |  | 3,530 |  |  | 9,818 |
| Other minerals |  | 8,519 |  |  | - |  |  | - |  |  | 8,519 |
|  |  | 15,651 |  |  | - |  |  | 26,903 |  |  | 42,554 |
(i) On the basis of its analysis of the nature, characteristics and risks of equity securities, the Company has determined that presenting them by industry and type of investment is appropriate.
Disclosure of detailed information about changes in fair value of level 3 investments [Table Text Block] |
|  |  | 2023 |  |  | 2022 |
|  |  | $ |  |  | $ |
Balance - January 1 |  | 26,903 |  |  | 34,934 |
| Acquisitions |  | - |  |  | 7,968 |
| Warrants exercised |  | - |  |  | (80 | )
| Acquisition of Tintic by Osisko Development (Note 29) |  | - |  |  | (10,827 | )
| Transfer of common shares from level 3 to level 1 |  | (3,000 | ) |  | - |
| Disposal |  | (5,000 | ) |  | - |
| Change in fair value - warrants exercised (i) |  | - |  |  | (322 | )
| Change in fair value - warrants expired (i) |  | (552 | ) |  | (405 | )
| Change in fair value - investments held at the end of the period (i) |  | (9,246 | ) |  | (4,304 | )
| Foreign exchange revaluation impact |  | - |  |  | 49 |
| Deconsolidation of Osisko Development (Note 29) |  | - |  |  | (110 | )
Balance - December 31 |  | 9,105 |  |  | 26,903 |
(i) Recognized in the consolidated statements of income (loss) under other losses, net.

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- Definition The disclosure of significant inputs for which market data are not available and that are developed using the best information available about the assumptions that market participants would use when measuring the fair value of the entity's own equity instruments. [Refer: Entity's own equity instruments [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 13 -IssueDate 2023-01-01 -Paragraph 93 -Subparagraph d -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=13&code=ifrs-tx-2023-en-r&anchor=para_93_d&doctype=Standard -URIDate 2023-03-23 + Details
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- Definition Disclosure of detailed information about changes in fair value of investments. + References No definition available. + Details
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