Cash and Cash Equivalents (Details) - BRL (R$) R$ in Thousands |
Dec. 31, 2025 |
Dec. 31, 2024 |
|---|---|---|
| Notes and other explanatory information [abstract] | ||
| Cash and balances with banks in local currency | R$ 326,592 | R$ 229,854 |
| Cash and balances with banks in foreign currency | 701 | 566 |
| Total cash and balances with banks | 327,293 | 230,420 |
| Interbank investments (1) | 525,986 | 1,174,990 |
| Total cash and cash equivalents | R$ 853,279 | R$ 1,405,410 |