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Related party (Details) - BRL (R$) R$ in Thousands	Dec. 31, 2024	Dec. 31, 2023
Current prepayments and current accrued income other than current contract assets [abstract]
Prepaid Expenses	R$ 7,120	R$ 6,730

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- Definition

Prepaid expenses

+ References

No definition available.

+ Details

Name:	ambi_PrepaidExpenses
Namespace Prefix:	ambi_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

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- References

No definition available.

+ Details

Name:	ifrs-full_CurrentPrepaymentsAndCurrentAccruedIncomeOtherThanCurrentContractAssetsAbstract
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration