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Related parties (Details Narrative) - Lease Agreements 1 [Member] - BRL (R$) R$ in Thousands |  |  |  |  | 12 Months Ended
--- | --- | --- | --- | --- | ---
Aug. 02, 2021 | Oct. 30, 2019 | Sep. 06, 2018 | Apr. 25, 2018 | Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
IfrsStatementLineItems [Line Items] |  |  |  |  |  |  |
Lease term |  |  | 20 years |  | 20 years |  |
Renewal term |  |  |  |  | 20 years |  |
R V L Esteves Gestao Imobiliaria S A [Member] |  |  |  |  |  |  |
IfrsStatementLineItems [Line Items] |  |  |  |  |  |  |
Lease expenses | R$ 40 | R$ 12 |  |  | R$ 23,434 | R$ 20,394 | R$ 15,336
U N I V A C O Patrimonial Ltda [Member] |  |  |  |  |  |  |
IfrsStatementLineItems [Line Items] |  |  |  |  |  |  |
Percentage of revenue |  | 6.50% |  |  | 6.50% |  |
Renewal term |  |  |  |  | 20 years |  |
Lease expenses |  |  |  |  | R$ 3,582 | 3,409 | 3,210
I E S V A P Patrimonial Ltda [Member] |  |  |  |  |  |  |
IfrsStatementLineItems [Line Items] |  |  |  |  |  |  |
Lease term |  |  |  | 20 years |  |  |
Percentage of revenue |  |  |  | 7.50% |  |  |
Renewal term |  |  |  | 20 years |  |  |
Lease expenses |  |  |  |  | R$ 5,170 | R$ 4,920 | R$ 4,560
Description of lease term |  |  |  | The lease agreement is for an amount equal to 7.5% of the monthly revenue of IESVAP until maturation. |  |  |
Instituto Tocantinense Presidente Antonio Carlos S A [Member] | R V L Esteves Gestao Imobiliaria S A [Member] |  |  |  |  |  |  |
IfrsStatementLineItems [Line Items] |  |  |  |  |  |  |
Percentage of revenue |  |  | 7.50% |  |  |  |
Institutode Ensino Superior Presidente Trancredode Almeida Neves S A [Member] | R V L Esteves Gestao Imobiliaria S A [Member] |  |  |  |  |  |  |
IfrsStatementLineItems [Line Items] |  |  |  |  |  |  |
Description of lease term | (i) up to June 2022, R$40; (ii) from July 2022 until December 2028, 6.5% of the monthly revenue of ITPAC Garanhuns during the prior semester, adjusted in accordance with the provisions of the lease agreement | (i) up to June 2020, R$12 and (ii) from July 2020 until March 2024, 6.5% of the monthly revenue of IPTAN during the prior semester, adjusted in accordance with the provisions of the lease agreement. |  |  |  |  |

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