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Loans and financing - Breakdown (Details) - BRL (R$) R$ in Thousands | Dec. 31, 2024 | Dec. 31, 2023
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Disclosure of detailed information about borrowings [line items] |  |
Current borrowings and current portion of non-current borrowings | R$ (212,105) | R$ (84,369)
Non-current portion of non-current borrowings | (778,039) | (617,533)
Working capital |  |
Disclosure of detailed information about borrowings [line items] |  |
Current borrowings and current portion of non-current borrowings | (30,787) | (48,468)
Non-current portion of non-current borrowings | R$ (629,265) | (511,613)
Working capital | Weighted average [member] |  |
Disclosure of detailed information about borrowings [line items] |  |
Borrowings, interest rate | 5.79% |
Working capital - Costs [Member] |  |
Disclosure of detailed information about borrowings [line items] |  |
Current borrowings and current portion of non-current borrowings | R$ (8,976) | 0
Non-current portion of non-current borrowings | (15,271) | 0
Working capital - (Resolution 4.131) [Member] |  |
Disclosure of detailed information about borrowings [line items] |  |
Current borrowings and current portion of non-current borrowings | (142,665) | 0
Non-current portion of non-current borrowings | R$ 0 | 0
Working capital - (Resolution 4.131) [Member] | Weighted average [member] |  |
Disclosure of detailed information about borrowings [line items] |  |
Borrowings, interest rate | 3.30% |
Working capital - Costs (Resolution 4.131) [Member] |  |
Disclosure of detailed information about borrowings [line items] |  |
Current borrowings and current portion of non-current borrowings | R$ (50) | 0
Non-current portion of non-current borrowings | 0 | 0
Working capital - Swap (Resolution 4.131) [Member] |  |
Disclosure of detailed information about borrowings [line items] |  |
Current borrowings and current portion of non-current borrowings | (17,536) | 0
Non-current portion of non-current borrowings | 0 | 0
Investment financing |  |
Disclosure of detailed information about borrowings [line items] |  |
Current borrowings and current portion of non-current borrowings | (42,353) | (27,287)
Non-current portion of non-current borrowings | R$ (99,379) | (70,650)
Investment financing | Weighted average [member] |  |
Disclosure of detailed information about borrowings [line items] |  |
Borrowings, interest rate | 11.80% |
Financial leases liabilities |  |
Disclosure of detailed information about borrowings [line items] |  |
Current borrowings and current portion of non-current borrowings | R$ (22,862) | (8,614)
Non-current portion of non-current borrowings | R$ (64,666) | R$ (35,270)
Financial leases liabilities | Weighted average [member] |  |
Disclosure of detailed information about borrowings [line items] |  |
Borrowings, interest rate | 9.55% |

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- Definition The interest rate on borrowings. [Refer: Borrowings] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IFRS -Number 7 -IssueDate 2024-01-01 -Paragraph 7 -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2024-en-r&anchor=para_7&doctype=Standard -URIDate 2024-03-27 + Details
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- Definition The amount of current borrowings and current portion of non-current borrowings. [Refer: Borrowings] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2024-01-01 -Paragraph 55 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2024-en-r&anchor=para_55&doctype=Standard -URIDate 2024-03-27 + Details
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- Definition The non-current portion of non-current borrowings. [Refer: Borrowings] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2024-01-01 -Paragraph 55 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2024-en-r&anchor=para_55&doctype=Standard -URIDate 2024-03-27 + Details
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