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Share-based payment arrangements - Summary of range of exercise prices of outstanding share options (Details) | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2023 shares $ / shares | Dec. 31, 2022 shares $ / shares | Dec. 31, 2021 shares $ / shares
Disclosure of range of exercise prices of outstanding share options [line items] |  |  |
Option outstanding (in shares) | shares | 3,352,743 | 3,739,567 | 4,250,763
Option outstanding, Weighted average exercise price (in CDN$ per share) | $ 12.42 | $ 11.31 | $ 11.31
Employee stock option plan |  |  |
Disclosure of range of exercise prices of outstanding share options [line items] |  |  |
Option outstanding (in shares) | shares | 3,352,743 |  |
Option outstanding, weighted average remaining contractual life (years) | 2 years 7 months 2 days |  |
Option outstanding, Weighted average exercise price (in CDN$ per share) | $ 12.42 |  |
Shares, exercisable (in shares) | shares | 1,539,960 |  |
Weighted average exercise price, exercisable (in CDN$ per share) | $ 10.26 |  |
Employee stock option plan | $5.00 to $5.99 |  |  |
Disclosure of range of exercise prices of outstanding share options [line items] |  |  |
Option outstanding (in shares) | shares | 614,951 |  |
Option outstanding, weighted average remaining contractual life (years) | 1 month 28 days |  |
Option outstanding, Weighted average exercise price (in CDN$ per share) | $ 5.68 |  |
Shares, exercisable (in shares) | shares | 614,951 |  |
Weighted average exercise price, exercisable (in CDN$ per share) | $ 5.68 |  |
Employee stock option plan | $5.00 to $5.99 | Bottom of range |  |  |
Disclosure of range of exercise prices of outstanding share options [line items] |  |  |
Range of exercise price (in $CDN per share) | 5.00 |  |
Employee stock option plan | $5.00 to $5.99 | Top of range |  |  |
Disclosure of range of exercise prices of outstanding share options [line items] |  |  |
Range of exercise price (in $CDN per share) | $ 5.99 |  |
Employee stock option plan | $11.00 to $11.99 |  |  |
Disclosure of range of exercise prices of outstanding share options [line items] |  |  |
Option outstanding (in shares) | shares | 69,501 |  |
Option outstanding, weighted average remaining contractual life (years) | 4 years 7 months 17 days |  |
Option outstanding, Weighted average exercise price (in CDN$ per share) | $ 11.90 |  |
Shares, exercisable (in shares) | shares | 0 |  |
Weighted average exercise price, exercisable (in CDN$ per share) | $ 0 |  |
Employee stock option plan | $11.00 to $11.99 | Bottom of range |  |  |
Disclosure of range of exercise prices of outstanding share options [line items] |  |  |
Range of exercise price (in $CDN per share) | 11.00 |  |
Employee stock option plan | $11.00 to $11.99 | Top of range |  |  |
Disclosure of range of exercise prices of outstanding share options [line items] |  |  |
Range of exercise price (in $CDN per share) | $ 11.99 |  |
Employee stock option plan | $12.00 to $12.99 |  |  |
Disclosure of range of exercise prices of outstanding share options [line items] |  |  |
Option outstanding (in shares) | shares | 419,227 |  |
Option outstanding, weighted average remaining contractual life (years) | 1 year 10 months 2 days |  |
Option outstanding, Weighted average exercise price (in CDN$ per share) | $ 12.90 |  |
Shares, exercisable (in shares) | shares | 338,968 |  |
Weighted average exercise price, exercisable (in CDN$ per share) | $ 12.90 |  |
Employee stock option plan | $12.00 to $12.99 | Bottom of range |  |  |
Disclosure of range of exercise prices of outstanding share options [line items] |  |  |
Range of exercise price (in $CDN per share) | 12.00 |  |
Employee stock option plan | $12.00 to $12.99 | Top of range |  |  |
Disclosure of range of exercise prices of outstanding share options [line items] |  |  |
Range of exercise price (in $CDN per share) | $ 12.99 |  |
Employee stock option plan | $13.00 to $13.99 |  |  |
Disclosure of range of exercise prices of outstanding share options [line items] |  |  |
Option outstanding (in shares) | shares | 1,432,507 |  |
Option outstanding, weighted average remaining contractual life (years) | 2 years 9 months 14 days |  |
Option outstanding, Weighted average exercise price (in CDN$ per share) | $ 13.64 |  |
Shares, exercisable (in shares) | shares | 574,863 |  |
Weighted average exercise price, exercisable (in CDN$ per share) | $ 13.52 |  |
Employee stock option plan | $13.00 to $13.99 | Bottom of range |  |  |
Disclosure of range of exercise prices of outstanding share options [line items] |  |  |
Range of exercise price (in $CDN per share) | 13.00 |  |
Employee stock option plan | $13.00 to $13.99 | Top of range |  |  |
Disclosure of range of exercise prices of outstanding share options [line items] |  |  |
Range of exercise price (in $CDN per share) | $ 13.99 |  |
Employee stock option plan | $14.00 to $14.99 |  |  |
Disclosure of range of exercise prices of outstanding share options [line items] |  |  |
Option outstanding (in shares) | shares | 16,766 |  |
Option outstanding, weighted average remaining contractual life (years) | 2 years 2 months 23 days |  |
Option outstanding, Weighted average exercise price (in CDN$ per share) | $ 14.60 |  |
Shares, exercisable (in shares) | shares | 11,178 |  |
Weighted average exercise price, exercisable (in CDN$ per share) | $ 14.60 |  |
Employee stock option plan | $14.00 to $14.99 | Bottom of range |  |  |
Disclosure of range of exercise prices of outstanding share options [line items] |  |  |
Range of exercise price (in $CDN per share) | 14.00 |  |
Employee stock option plan | $14.00 to $14.99 | Top of range |  |  |
Disclosure of range of exercise prices of outstanding share options [line items] |  |  |
Range of exercise price (in $CDN per share) | $ 14.99 |  |
Employee stock option plan | $15.00 to $15.99 |  |  |
Disclosure of range of exercise prices of outstanding share options [line items] |  |  |
Option outstanding (in shares) | shares | 799,791 |  |
Option outstanding, weighted average remaining contractual life (years) | 4 years 4 months 2 days |  |
Option outstanding, Weighted average exercise price (in CDN$ per share) | $ 15.17 |  |
Shares, exercisable (in shares) | shares | 0 |  |
Weighted average exercise price, exercisable (in CDN$ per share) | $ 0 |  |
Employee stock option plan | $15.00 to $15.99 | Bottom of range |  |  |
Disclosure of range of exercise prices of outstanding share options [line items] |  |  |
Range of exercise price (in $CDN per share) | 15.00 |  |
Employee stock option plan | $15.00 to $15.99 | Top of range |  |  |
Disclosure of range of exercise prices of outstanding share options [line items] |  |  |
Range of exercise price (in $CDN per share) | $ 15.99 |  |

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