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Financial assets and financial liabilities (Details 8) - BRL (R$) R$ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
IfrsStatementLineItems [Line Items]
Balance as of ending	R$ 39,485	R$ 42,568
Base rate	(131,748)
Floating interest rate [member] | Interest rate risk [member] | Loans And Financing [member]
IfrsStatementLineItems [Line Items]
Balance as of ending	R$ (529,340)
Index - % per year	CDI + 1.8%
Base rate	R$ (71,196)
Floating interest rate [member] | Interest rate risk [member] | Loans And Financing One [Member]
IfrsStatementLineItems [Line Items]
Balance as of ending	R$ (412,880)
Index - % per year	CDI + 1.9%
Base rate	R$ (55,945)
Floating interest rate [member] | Interest rate risk [member] | Loans And Financing Two [Member]
IfrsStatementLineItems [Line Items]
Balance as of ending	R$ (11,193)
Index - % per year	TJLP
Base rate	R$ (733)
Floating interest rate [member] | Interest rate risk [member] | Loans And Financing Three [Member]
IfrsStatementLineItems [Line Items]
Balance as of ending	R$ (21,405)
Index - % per year	CDI + 1.75%
Base rate	R$ (2,868)
Floating interest rate [member] | Interest rate risk [member] | Accounts Payable To Selling Shareholders One [member]
IfrsStatementLineItems [Line Items]
Balance as of ending	R$ (274,428)
Index - % per year	CDI
Base rate	R$ (31,971)
Floating interest rate [member] | Interest rate risk [member] | Accounts Payable To Selling Shareholders Two [Member]
IfrsStatementLineItems [Line Items]
Balance as of ending	R$ (256,488)
Index - % per year	SELIC
Base rate	R$ (29,881)
Floating interest rate [member] | Interest rate risk [member] | Cash Equivalents [member] | Increase in basis points +75 [member]
IfrsStatementLineItems [Line Items]
Effect on profit before tax	(7,407)
Floating interest rate [member] | Interest rate risk [member] | Cash Equivalents [member] | Increase in basis points +150 [member]
IfrsStatementLineItems [Line Items]
Effect on profit before tax	(14,814)
Cash Equivalents [member] | Floating interest rate [member] | Interest rate risk [member]
IfrsStatementLineItems [Line Items]
Balance as of ending	R$ 518,111
Index - % per year	100.8% of CDI
Base rate	R$ 60,846

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The amount of assets that are: (a) cash; (b) an equity instrument of another entity; (c) a contractual right: (i) to receive cash or another financial asset from another entity; or (ii) to exchange financial assets or financial liabilities with another entity under conditions that are potentially favourable to the entity; or (d) a contract that will, or may be, settled in the entity’s own equity instruments and is: (i) a non-derivative for which the entity is, or may be, obliged to receive a variable number of the entity’s own equity instruments; or (ii) a derivative that will, or may be, settled other than by the exchange of a fixed amount of cash or another financial asset for a fixed number of the entity’s own equity instruments. For this purpose the entity’s own equity instruments do not include puttable financial instruments classified as equity instruments in accordance with paragraphs 16A-16B of IAS 32, instruments that impose on the entity an obligation to deliver to another party a pro rata share of the net assets of the entity only on liquidation and are classified as equity instruments in accordance with paragraphs 16C-16D of IAS 32, or instruments that are contracts for the future receipt or delivery of the entity’s own equity instruments. [Refer: Financial instruments, class [member]; Financial liabilities]

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