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Schedule of capital reserve (Details) - BRL (R$)
R$ in Thousands
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
IfrsStatementLineItems [Line Items]      
Capital reserve R$ 141,834 R$ 141,834 R$ 141,834
Other equity transactions (67,531) 246  
Capital reserve [member]      
IfrsStatementLineItems [Line Items]      
Capital reserve 74,303 142,080 192,845
Other equity transactions (67,531) 246 51,011
Share based payment 205,949 214,711 214,531
Acquisition of non-controlling entities (273,260) (214,245) (163,300)
Capital transactions with subsidiaries R$ (220) R$ (220) R$ (220)