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Share capital (Tables) | 12 Months Ended
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Dec. 31, 2022
Disclosure of classes of share capital [abstract] |
Summary of share capital |
| 2022 |  | 2021
Voting common shares | Number of Shares | Total |  | Number of Shares | Total
Balance at January 1, | 182,673,118 |  | $ | 3,225,326 |  |  | 174,931,381 | $ | 3,144,644 |
Shares issued upon exercise of share options | 885,750 |  | 4,438 |  |  | 339,540 | 1,738 |
Shares issued on redemption of performance share units | 528,166 |  | 2,256 |  |  | 514,010 |  | 1,202 |
Estimated fair value of share options exercised transferred from contributed surplus | — |  | 1,787 |  |  | — |  | 684 |
Shares issued on acquisition of subsidiary | — |  | — |  |  | 5,788,187 |  | 65,647 |
Shares issued upon exercise of warrants | 19,037 |  | 213 |  |  | — |  | — |
Flow-through and other shares issued, net of issuance costs and premium | 694,500 |  | 7,624 |  |  | 1,100,000 |  | 11,411 |
Balance at December 31, | 184,800,571 |  | $ | 3,241,644 |  |  | 182,673,118 |  | $ | 3,225,326 |

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- Definition The disclosure of classes of share capital. [Refer: Share capital [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2022-03-24 -Paragraph 79 -Subparagraph a -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2022-en-r&anchor=para_79_a&doctype=Standard -URIDate 2022-03-24 + Details
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