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Share-based compensation - Disclosure 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 terms and conditions of share-based payment arrangement [line items] |  |  |
Number of share options outstanding in share-based payment arrangement | shares | 3,122,006 | 3,511,922 | 3,730,580
Weighted average exercise price of share options outstanding in share-based payment arrangement | $ 14.5 | $ 13.55 | $ 14.09
Weighted average remaining contractual life of outstanding share options | 2 years 8 months 12 days |  |
Number of share options exercisable in share-based payment arrangement | shares | 1,920,804 | 1,916,888 |
Weighted average exercise price of share options exercisable in share-based payment arrangement | $ 13.66 | $ 13.4 |
12.70- 14.50 [Member] |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |
Number of share options outstanding in share-based payment arrangement | shares | 2,384,840 |  |
Weighted average exercise price of share options outstanding in share-based payment arrangement | $ 13.43 |  |
Weighted average remaining contractual life of outstanding share options | 2 years 1 month 6 days |  |
Number of share options exercisable in share-based payment arrangement | shares | 1,782,205 |  |
Weighted average exercise price of share options exercisable in share-based payment arrangement | $ 13.34 |  |
12.70- 14.50 [Member] | Minimum [Member] |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |
Weighted average exercise price of share options exercisable in share-based payment arrangement | 12.7 |  |
12.70- 14.50 [Member] | Maximum [Member] |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |
Weighted average exercise price of share options exercisable in share-based payment arrangement | $ 14.5 |  |
15.97- 21.64 [Member] |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |
Number of share options outstanding in share-based payment arrangement | shares | 737,166 |  |
Weighted average exercise price of share options outstanding in share-based payment arrangement | $ 17.97 |  |
Weighted average remaining contractual life of outstanding share options | 4 years 4 months 24 days |  |
Number of share options exercisable in share-based payment arrangement | shares | 138,599 |  |
Weighted average exercise price of share options exercisable in share-based payment arrangement | $ 17.78 |  |
15.97- 21.64 [Member] | Minimum [Member] |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |
Weighted average exercise price of share options exercisable in share-based payment arrangement | 15.97 |  |
15.97- 21.64 [Member] | Maximum [Member] |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |
Weighted average exercise price of share options exercisable in share-based payment arrangement | $ 21.64 |  |

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