v3.22.4
Finance income and expense (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Analysis of income and expense [abstract]    
Employee future benefit plan expense (note 20) $ (189) $ (251)
Investment income 19,609 3,743
Mark to market and foreign exchange loss on financial assets (notes 14 & 33) (16,877) (9,024)
Foreign exchange loss (4,545) (1,336)
Government levies (100) (1,945)
Finance loss and other (2,102) (8,813)
Finance expense $ (1,279) $ (1,294)