Shareholders' equity (Details 2) - BRL (R$) R$ in Thousands |
Dec. 31, 2025 |
Dec. 31, 2024 |
|---|---|---|
| Shareholders Equity | ||
| Treasury shares at beginning of the period | 19,451 | 27,193 |
| Shares Acquisitions | 2,770 | |
| Payment - Share-based compensation | (5,785) | (10,511) |
| Treasury shares at end of the period | 13,666 | 19,452 |
| Balance of Treasury Shares in thousand of Reais | R$ 717,789 | R$ 882,936 |
| Emission Costs in thousands of Reais | 1,771 | 1,771 |
| Balance of Treasury Shares in thousands of Reais | R$ 719,560 | R$ 884,707 |