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DEFERRED INCOME TAX (Changes in deferred income tax) (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Deferred income tax [Abstract]      
At the beginning of the year $ (25,471) $ (187,782)  
Translation differences 330 (69)  
Effect of changes in tax law (note 10) 0 (9,117) $ 0
Credits directly to other comprehensive income (18,056) (14,158)  
Deferred tax credit (note 10) 80,692 185,655  
At the end of the year $ 37,495 $ (25,471) $ (187,782)