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Property, plant and equipment - Book value (Details) - USD ($)
$ in Thousands
Dec. 31, 2022
Dec. 31, 2021
Property, plant and equipment [abstract]    
Owned assets $ 3,398,805 $ 3,075,198
Right-of-use assets 756,478 610,951
Total $ 4,155,283 $ 3,686,149