Income taxes - Additional information (Details) R$ in Thousands |
9 Months Ended |
|---|---|
|
Sep. 30, 2025
BRL (R$)
| |
| Disclosure of temporary difference, unused tax losses and unused tax credits [abstract] | |
| Applicable Tax Rate, Income Tax and Social Contribution Taxes, Base Rate | 15.00% |
| Applicable Tax Rate, Income Tax, Additional Tax on Taxable Income Above Threshold Amount | 10.00% |
| Applicable Tax Rate, Social Contribution Taxes, Additional Tax on Taxable Income Above Threshold Amount | 9.00% |
| Thres hold Amount Of Income For Additional Tax Rate | R$ 240 |