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Income taxes - Additional information (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Major components of tax expense income [line items]    
(Decrease) increase in Turkish income tax rate $ (4,755) $ 6,150
Reduction in Greek income tax rate 0 11,434
Tax losses 191,448 192,880
Deferred tax expense (income) relating to origination and reversal of temporary differences 99,835 85,142
Temporary differences associated with investments in subsidiaries 895,198 1,032,084
Deferred tax expense recognized 35,863 $ 54,587
Turkish lira    
Major components of tax expense income [line items]    
Deferred tax expense recognized 21,869  
Euro    
Major components of tax expense income [line items]    
Deferred tax expense recognized $ 13,995