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Investment property (Tables)
12 Months Ended
Dec. 31, 2020
Investment property [abstract]  
Schedule of Detailed Information about Investment Property
Changes in the Group’s investment property in 2020 and 2019 were as follows:
 
 20202019
Beginning of the year34,295 40,725 
Net gain / (loss) from fair value adjustment (Note 8)1,077 (325)
Reclassification to property, plant and equipment (i)(3,127)(4,816)
Exchange difference(1,066)(1,289)
End of the year31,179 34,295 
Fair value31,179 34,295 
Net book amount31,179 34,295 
 
(i) Relates with the expiration of contracts with third parties.