Labor and social obligations (Details) - Incremental Stock Options [Member] R$ / shares in Units, R$ in Thousands	12 Months Ended
Dec. 31, 2023 BRL (R$) R$ / shares
Modified Plan [member]
IfrsStatementLineItems [Line Items]
Strike price at the measurement date \| R$	R$ 83
Expected volatility	0.00%
Share price at the measurement date	R$ 48
Model used	Binomial
Weighted average fair value at the measurement date	R$ 53.06
Modified Plan [member] \| Bottom of range [member]
IfrsStatementLineItems [Line Items]
Expected volatility	48.00%
Risk-free interest rate	13.00%
Expected life of stock options	1 year
Modified Plan [member] \| Top of range [member]
IfrsStatementLineItems [Line Items]
Expected volatility	59.00%
Risk-free interest rate	15.00%
Expected life of stock options	4 years
Original Plan [member]
IfrsStatementLineItems [Line Items]
Expected volatility	0.00%
Share price at the measurement date	R$ 48
Model used	Binomial
Weighted average fair value at the measurement date	R$ 49.22
Original Plan [member] \| Bottom of range [member]
IfrsStatementLineItems [Line Items]
Strike price at the measurement date \| R$	R$ 91
Expected volatility	48.00%
Risk-free interest rate	13.00%
Expected life of stock options	1 year
Original Plan [member] \| Top of range [member]
IfrsStatementLineItems [Line Items]
Strike price at the measurement date \| R$	R$ 140
Expected volatility	59.00%
Risk-free interest rate	15.00%
Expected life of stock options	4 years

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- Definition

The expected volatility of the share price used to calculate the fair value of the share options granted. Expected volatility is a measure of the amount by which a price is expected to fluctuate during a period. The measure of volatility used in option pricing models is the annualised standard deviation of the continuously compounded rates of return on the share over a period of time.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 2
-IssueDate 2023-01-01
-Paragraph 47
-Subparagraph a
-Clause i
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2023-en-r&anchor=para_47_a_i&doctype=Standard
-URIDate 2023-03-23

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- Definition

The description of the option pricing model used for share options granted. [Refer: Option pricing model [member]]

+ References

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- Definition

The implied yield currently available on zero-coupon government issues of the country in whose currency the exercise price for share options granted is expressed, with a remaining term equal to the expected term of the option being valued (based on the option's remaining contractual life and taking into account the effects of expected early exercise). [Refer: Government [member]]

+ References

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- Definition

The percentage of an expected dividend used to calculate the fair value of share options granted.

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