XML 160 R97.htm IDEA: XBRL DOCUMENT v3.22.4
Current and deferred tax - Summary of Income Tax expense (Detail) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Income Tax Expense [Line Items]      
Current tax on profits for the year $ (877) $ (1,646) $ (4,904)
Increase in deferred tax 4,902 11,118 616
Total income tax $ 4,025 $ 9,472 $ (4,288)