Related party transactions - Schedule of Compensation for Key Management and Non-executive Directors (Details) - USD ($) $ in Thousands |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2024 |
Jun. 30, 2023 |
Jun. 30, 2024 |
Jun. 30, 2023 |
|
| Disclosure of transactions between related parties [abstract] | ||||
| Salaries and other short-term employee benefits | $ 347 | $ 1,202 | $ 1,516 | $ 1,869 |
| Pension costs | 60 | 64 | 130 | 116 |
| Share-based compensation expense | 2,678 | 3,076 | 5,489 | 4,796 |
| Total | $ 3,085 | $ 4,342 | $ 7,135 | $ 6,781 |