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Salaries and social security expenses (Tables)
 12 Months Ended
Dec. 31, 2021
Analysis of income and expense [abstract]  
Schedule of Salaries and Social Security Expenses
 202120202019
Wages and salaries (i)101,818 89,662 104,400 
Social security costs30,296 27,430 30,888 
Equity-settled share-based compensation6,406 4,316 4,734 
 138,520 121,408 140,022 
(i)Includes US$25,105, US$32,714 and US$32,636, capitalized in Property, Plant and Equipment for the years 2021, 2020 and 2019, respectively.