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Related parties - Summary of Compensation for Key Management and Non-executive Directors (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Disclosure of transactions between related parties [abstract]      
Salaries and other short-term employee benefits $ 4,234 $ 3,782 $ 2,805
Pension costs 228 196 117
Share-based compensation expense 10,597 8,936 6,906
Total $ 15,059 $ 12,914 $ 9,828