v3.26.1
Financial Instruments (Details 15) - BRL (R$)
R$ in Thousands
Dec. 31, 2025
Dec. 31, 2024
IfrsStatementLineItems [Line Items]    
Financial liabilities amortized cost R$ 31,699,085 R$ 20,841,533
Demand Customer Deposits [Member]    
IfrsStatementLineItems [Line Items]    
Financial liabilities amortized cost 345,801 320,209
Time Customer Deposits [Member]    
IfrsStatementLineItems [Line Items]    
Financial liabilities amortized cost 20,504,881 16,256,733
Loans And Borrowing [Member]    
IfrsStatementLineItems [Line Items]    
Financial liabilities amortized cost 667,089 480,103
Funds From Acceptances And Issuance Of Securities [Member]    
IfrsStatementLineItems [Line Items]    
Financial liabilities amortized cost 6,170,529 3,255,985
Debt Issued And Other Borrowed Funds [Member]    
IfrsStatementLineItems [Line Items]    
Financial liabilities amortized cost 759,339 522,282
Debentures [Member]    
IfrsStatementLineItems [Line Items]    
Financial liabilities amortized cost 3,251,446
Investment Securities [Member]    
IfrsStatementLineItems [Line Items]    
Financial liabilities amortized cost 6,221
Not later than one year [member]    
IfrsStatementLineItems [Line Items]    
Financial liabilities amortized cost 11,395,399 7,620,817
Not later than one year [member] | Demand Customer Deposits [Member]    
IfrsStatementLineItems [Line Items]    
Financial liabilities amortized cost 345,801 320,209
Not later than one year [member] | Time Customer Deposits [Member]    
IfrsStatementLineItems [Line Items]    
Financial liabilities amortized cost 8,923,141 6,274,830
Not later than one year [member] | Loans And Borrowing [Member]    
IfrsStatementLineItems [Line Items]    
Financial liabilities amortized cost 211,902 243,151
Not later than one year [member] | Funds From Acceptances And Issuance Of Securities [Member]    
IfrsStatementLineItems [Line Items]    
Financial liabilities amortized cost 1,879,355 720,765
Not later than one year [member] | Debt Issued And Other Borrowed Funds [Member]    
IfrsStatementLineItems [Line Items]    
Financial liabilities amortized cost 35,200 55,641
Not later than one year [member] | Debentures [Member]    
IfrsStatementLineItems [Line Items]    
Financial liabilities amortized cost  
Not later than one year [member] | Investment Securities [Member]    
IfrsStatementLineItems [Line Items]    
Financial liabilities amortized cost   6,221
Later than one year and not later than two years [member]    
IfrsStatementLineItems [Line Items]    
Financial liabilities amortized cost 15,600,060 12,071,999
Later than one year and not later than two years [member] | Demand Customer Deposits [Member]    
IfrsStatementLineItems [Line Items]    
Financial liabilities amortized cost
Later than one year and not later than two years [member] | Time Customer Deposits [Member]    
IfrsStatementLineItems [Line Items]    
Financial liabilities amortized cost 10,556,122 9,590,159
Later than one year and not later than two years [member] | Loans And Borrowing [Member]    
IfrsStatementLineItems [Line Items]    
Financial liabilities amortized cost 227,875
Later than one year and not later than two years [member] | Funds From Acceptances And Issuance Of Securities [Member]    
IfrsStatementLineItems [Line Items]    
Financial liabilities amortized cost 3,954,991 2,425,848
Later than one year and not later than two years [member] | Debt Issued And Other Borrowed Funds [Member]    
IfrsStatementLineItems [Line Items]    
Financial liabilities amortized cost 28,680 55,992
Later than one year and not later than two years [member] | Debentures [Member]    
IfrsStatementLineItems [Line Items]    
Financial liabilities amortized cost 832,392  
Later than one year and not later than two years [member] | Investment Securities [Member]    
IfrsStatementLineItems [Line Items]    
Financial liabilities amortized cost  
Later than two years and not later than three years [member]    
IfrsStatementLineItems [Line Items]    
Financial liabilities amortized cost 4,599,254 1,045,361
Later than two years and not later than three years [member] | Demand Customer Deposits [Member]    
IfrsStatementLineItems [Line Items]    
Financial liabilities amortized cost
Later than two years and not later than three years [member] | Time Customer Deposits [Member]    
IfrsStatementLineItems [Line Items]    
Financial liabilities amortized cost 1,025,618 391,744
Later than two years and not later than three years [member] | Loans And Borrowing [Member]    
IfrsStatementLineItems [Line Items]    
Financial liabilities amortized cost 227,312 236,952
Later than two years and not later than three years [member] | Funds From Acceptances And Issuance Of Securities [Member]    
IfrsStatementLineItems [Line Items]    
Financial liabilities amortized cost 336,183 109,372
Later than two years and not later than three years [member] | Debt Issued And Other Borrowed Funds [Member]    
IfrsStatementLineItems [Line Items]    
Financial liabilities amortized cost 591,087 307,293
Later than two years and not later than three years [member] | Debentures [Member]    
IfrsStatementLineItems [Line Items]    
Financial liabilities amortized cost 2,419,054  
Later than two years and not later than three years [member] | Investment Securities [Member]    
IfrsStatementLineItems [Line Items]    
Financial liabilities amortized cost  
Later than five years [member]    
IfrsStatementLineItems [Line Items]    
Financial liabilities amortized cost 104,372 103,356
Later than five years [member] | Demand Customer Deposits [Member]    
IfrsStatementLineItems [Line Items]    
Financial liabilities amortized cost
Later than five years [member] | Time Customer Deposits [Member]    
IfrsStatementLineItems [Line Items]    
Financial liabilities amortized cost
Later than five years [member] | Loans And Borrowing [Member]    
IfrsStatementLineItems [Line Items]    
Financial liabilities amortized cost
Later than five years [member] | Funds From Acceptances And Issuance Of Securities [Member]    
IfrsStatementLineItems [Line Items]    
Financial liabilities amortized cost
Later than five years [member] | Debt Issued And Other Borrowed Funds [Member]    
IfrsStatementLineItems [Line Items]    
Financial liabilities amortized cost 104,372 103,356
Later than five years [member] | Debentures [Member]    
IfrsStatementLineItems [Line Items]    
Financial liabilities amortized cost  
Later than five years [member] | Investment Securities [Member]    
IfrsStatementLineItems [Line Items]    
Financial liabilities amortized cost