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Related party transactions - Summary of Compensation Paid or Payable to Key Management (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Disclosure of transactions between related parties [abstract]    
Salaries and other short-term employee benefits $ 9,008 $ 8,557
Employee benefit plan 472 377
Share-based payments 7,450 6,626
Termination benefits 1,413 441
Compensation for key management personnel $ 18,343 $ 16,001