Loans and financing (Details) - BRL (R$) R$ in Thousands |
12 Months Ended | |
|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
|
| IfrsStatementLineItems [Line Items] | ||
| Total | R$ 2,778,723 | R$ 3,035,501 |
| Current | (925,626) | (348,353) |
| Non-current | R$ 1,853,097 | 2,687,148 |
| KFW Finnvera [Member] | ||
| IfrsStatementLineItems [Line Items] | ||
| Currency | USD | |
| Charges | SOFR + 1.17826% p.a. | |
| Maturity | Dec/25 | |
| Total | 32,820 | |
| Debentures [Member] | ||
| IfrsStatementLineItems [Line Items] | ||
| Currency | BRL | |
| Charges | IPCA + 4.0432% p.a. | |
| Maturity | Jun/28 | |
| Total | R$ 2,049,182 | 1,956,307 |
| BNDES [Member] | ||
| IfrsStatementLineItems [Line Items] | ||
| Currency | BRL | |
| Charges | IPCA + 4.2283% p.a. | |
| Maturity | Nov/31 | |
| Total | R$ 329,566 | 385,592 |
| BNB [Member] | ||
| IfrsStatementLineItems [Line Items] | ||
| Currency | BRL | |
| Charges | IPCA + 1.2228%–1.4945% p.a. | |
| Maturity | Feb/28 | |
| Total | R$ 399,975 | 585,129 |
| BNDES1 [Member] | ||
| IfrsStatementLineItems [Line Items] | ||
| Currency | BRL | |
| Charges | TJLP + 1.95% p.a. | |
| Maturity | Aug/25 | |
| Total | R$ 75,653 |