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Income tax and deferred taxes - Movements in Deferred Tax Assets and Liabilities (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Income tax and deferred taxes    
Deferred tax liability (asset) at beginning of period $ (110,416) $ (156,101)
Increase (decrease) in deferred taxes in profit or loss 430,978 27,763
Increase (decrease) in deferred taxes in equity (5,916) 17,922
Deferred tax liability (asset) at end of period $ 314,646 $ (110,416)