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Provisions and contingent liabilities - Additional information (Details)
R$ in Thousands
Dec. 31, 2023
BRL (R$)
claim
Dec. 31, 2022
BRL (R$)
Dec. 31, 2021
BRL (R$)
Dec. 31, 2020
BRL (R$)
Disclosure of contingent liabilities [line items]        
Other provisions R$ 97,678 R$ 43,541 R$ 29,308 R$ 19,711
Civil        
Disclosure of contingent liabilities [line items]        
Other provisions R$ 37,921 20,419    
Number of civil and administrative claims for which the likelihood of loss has been classified as probable | claim 777      
Labor (v)        
Disclosure of contingent liabilities [line items]        
Other provisions R$ 57,965 R$ 7,908