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Basis of measurement - Impairment of non-financial assets (Details)	12 Months Ended
	Dec. 31, 2024 tranche
Basis of measurement
Period for determination of value in use (in years)	5 years
Number of components in discount rate	3

X

- References

No definition available.

+ Details

Name:	ambi_BasisOfMeasurementAbstract
Namespace Prefix:	ambi_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Represents the components in a discount rate for determination of value in use for a cash generating unit.

+ References

No definition available.

+ Details

Name:	ambi_CashGeneratingUnitNumberOfComponentsInDiscountRateUsedForDeterminationOfValueInUse
Namespace Prefix:	ambi_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Represents the period for determination of value in use for a cash generating unit.

+ References

No definition available.

+ Details

Name:	ambi_CashGeneratingUnitPeriodForDeterminationOfValueInUse
Namespace Prefix:	ambi_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration