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Share-based payments - Narrative (Details) | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2024 shares | Dec. 31, 2023 shares | Dec. 31, 2022 shares
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |
Number of common shares for every one deferred share unit (in shares) | 1 |  |
Share-based compensation arrangement by share-based payment award, threshold trading period | 5 days |  |
ESP |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |
Award vesting period | 2 years |  |
Number of shares authorized (in shares) | 4,360,087 |  |
Number of unvested shares (in shares) | 1,239,411 | 1,077,613 |
RSUs and PSUs |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |
Award vesting period | 3 years |  |
Number of outstanding shares (in shares) | 3,578,900 | 3,412,812 | 3,124,187
DSU |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |
Number of outstanding shares (in shares) | 3,560,305 | 3,573,182 |
Stock Options |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |
Award vesting period | 3 years |  |
Number of shares authorized (in shares) | 5,434,793 |  |
Top of range | ESP |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |
Maximum employee contribution rate | 12.00% |  |
Maximum employer contribution rate | 2.00% |  |
Top of range | Stock Options |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |
Award exercise period | 10 years |  |
Bottom of range | DSU |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |
Percent of employee compensation paid in DSUs after minimum share ownership requirement | 50.00% |  |
Bottom of range | Stock Options |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |
Award exercise period | 7 years |  |

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