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Group information - Additional Information (Details) - BRL (R$)
R$ in Thousands
Dec. 31, 2021
Dec. 31, 2020
Associates    
Disclosure of detailed information about business combination [line items]    
Derivative financial assets and liabilities R$ 0 R$ 7,220
Subsidiaries    
Disclosure of detailed information about business combination [line items]    
Derivative financial assets and liabilities R$ 9,044 R$ 0