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Income taxes - Additional information (Details) R$ in Thousands	6 Months Ended
	Jun. 30, 2025 BRL (R$)
Disclosure of temporary difference, unused tax losses and unused tax credits [abstract]
Applicable Tax Rate, Income Tax and Social Contribution Taxes, Base Rate	15.00%
Applicable Tax Rate, Income Tax, Additional Tax on Taxable Income Above Threshold Amount	10.00%
Applicable Tax Rate, Social Contribution Taxes, Additional Tax on Taxable Income Above Threshold Amount	9.00%
Thres hold Amount Of Income For Additional Tax Rate	R$ 240

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- Definition

The applicable base rate for income tax on taxable income in excess of the threshold amount.

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- Definition

The applicable base rate for income tax and social contribution taxes.

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- Definition

The applicable base rate for income tax and social contribution taxes on taxable income in excess of the threshold amount.

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The threshold amount of income above which additional tax will be applicable.

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