v3.26.1
Presentation and preparation of the consolidated financial statements and significant accounting policies (Details Text) - BRL (R$)
R$ in Thousands
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Accounting Polices [Line Items]      
Maximum maturity period for a financial instrument to be classified as a cash equivalent 3 months    
Complimentary Law No. 224/2025 impact R$ 142,305 R$ 0 R$ 0
Software licenses      
Accounting Polices [Line Items]      
Intagible assets with useful life defined 5 years    
Income Tax [Member]      
Accounting Polices [Line Items]      
Currently defined tax rates 25.00%    
Income Tax [Member] | Banco Seguro      
Accounting Polices [Line Items]      
Currently defined tax rates 25.00%    
Income Tax [Member] | Paginvest Corretora      
Accounting Polices [Line Items]      
Currently defined tax rates 25.00%    
Social contribution [Member]      
Accounting Polices [Line Items]      
Currently defined tax rates 9.00%    
Social contribution [Member] | Banco Seguro      
Accounting Polices [Line Items]      
Currently defined tax rates 20.00%    
Social contribution [Member] | Paginvest Corretora      
Accounting Polices [Line Items]      
Currently defined tax rates 15.00%