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Income Tax - Summary of Income Tax Charge Recognized in Profit and Losses (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Disclosure Of Income Taxes [Line Items]      
Current Income Tax on profits for the year $ (6,940) $ (3,172) $ (2,237)
Total Current Income Tax expense (6,940) (3,172) (2,237)
Increase in deferred income tax assets (83) 200 16
Increase in deferred income tax liabilities (624) (259)  
Total Deferred income tax (expense) / benefit (707) (59) 16
Income Tax expense $ (7,647) $ (3,231) $ (2,221)