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Current and long-term debt - Schedule of current and non-current portion of debt (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Disclosure of detailed information about borrowings [line items]    
Current portion of long-term bank debt $ 220,965 $ 31,504
Sale and leaseback 206,757 269,145
Current portion of long-term debt 427,722 300,649
Non-current portion of bank debt and bonds 939,188 264,106
Sale and leaseback 221,380 871,469
Total debt outstanding 1,588,290 1,436,224
Finance lease    
Disclosure of detailed information about borrowings [line items]    
Total debt outstanding 3,200 8,200
Deferred financing fees    
Disclosure of detailed information about borrowings [line items]    
Current portion of long-term debt 5,846  
Non-current portion of bank debt and bonds 22,968  
Total debt outstanding 28,814 12,758
Unamortized deferred financing fees 5,000 500
Deferred financing fees | Finance lease    
Disclosure of detailed information about borrowings [line items]    
Current portion of long-term debt 800 800
Non-current portion of bank debt and bonds 20,600 4,000
Sale and leaseback 2,300 7,400
Prepaid interest, borrowings $ 300 $ 2,500