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Financial risk management - Floating Rate Risk Effects on Profit Before Income Tax (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Disclosure of detailed information about financial instruments [line items]      
Profit / (Loss) before income tax $ 135,364 $ 174,554 $ 13,395
Floating interest rate | Interest rate risk      
Disclosure of detailed information about financial instruments [line items]      
Profit / (Loss) before income tax (2,070) (1,909)  
Floating interest rate | Interest rate risk | Argentine Peso      
Disclosure of detailed information about financial instruments [line items]      
Profit / (Loss) before income tax (181) (198)  
Floating interest rate | Interest rate risk | Brazilian Reais      
Disclosure of detailed information about financial instruments [line items]      
Profit / (Loss) before income tax (1,889) (1,711)  
Floating interest rate | Interest rate risk | Uruguayan Peso      
Disclosure of detailed information about financial instruments [line items]      
Profit / (Loss) before income tax 0 0  
Floating interest rate | Interest rate risk | U.S. Dollar      
Disclosure of detailed information about financial instruments [line items]      
Profit / (Loss) before income tax 0 0  
Brazilian Reais | Floating interest rate | Interest rate risk      
Disclosure of detailed information about financial instruments [line items]      
Profit / (Loss) before income tax (1,888) (1,696)  
Brazilian Reais | Floating interest rate | Interest rate risk | Argentine Peso      
Disclosure of detailed information about financial instruments [line items]      
Profit / (Loss) before income tax 0 0  
Brazilian Reais | Floating interest rate | Interest rate risk | Brazilian Reais      
Disclosure of detailed information about financial instruments [line items]      
Profit / (Loss) before income tax (1,888) (1,696)  
Brazilian Reais | Floating interest rate | Interest rate risk | Uruguayan Peso      
Disclosure of detailed information about financial instruments [line items]      
Profit / (Loss) before income tax 0 0  
Brazilian Reais | Floating interest rate | Interest rate risk | U.S. Dollar      
Disclosure of detailed information about financial instruments [line items]      
Profit / (Loss) before income tax 0 0  
U.S. Dollar | Floating interest rate | Interest rate risk      
Disclosure of detailed information about financial instruments [line items]      
Profit / (Loss) before income tax (182) (213)  
U.S. Dollar | Floating interest rate | Interest rate risk | Argentine Peso      
Disclosure of detailed information about financial instruments [line items]      
Profit / (Loss) before income tax (181) (198)  
U.S. Dollar | Floating interest rate | Interest rate risk | Brazilian Reais      
Disclosure of detailed information about financial instruments [line items]      
Profit / (Loss) before income tax (1) (15)  
U.S. Dollar | Floating interest rate | Interest rate risk | Uruguayan Peso      
Disclosure of detailed information about financial instruments [line items]      
Profit / (Loss) before income tax 0 0  
U.S. Dollar | Floating interest rate | Interest rate risk | U.S. Dollar      
Disclosure of detailed information about financial instruments [line items]      
Profit / (Loss) before income tax $ 0 $ 0