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

The number of American Depositary Shares per ordinary share

No definition available.

Name:	jmia_AmericanDepositarySharesPerOrdinaryShare
Namespace Prefix:	jmia_
Data Type:	xbrli:pureItemType
Balance Type:	na
Period Type:	instant

The number of the entity's American Depositary Shares to be received for each option granted under the share-based compensation plan. Two of the entity's American Depositary Shares represent one share of Jumia.

No definition available.

Name:	jmia_ShareBasedCompensationPlanNumberOfAmericanDepositarySharesCalledByEachOption
Namespace Prefix:	jmia_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

The number of shares of the entity's stock to be received for each option granted under the share-based compensation plan.

No definition available.

Name:	jmia_ShareBasedCompensationPlanNumberOfSharesCalledByEachOption
Namespace Prefix:	jmia_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

The number of trading days considered when setting the exercise price of the share-based compensation award.

No definition available.

Name:	jmia_ShareBasedCompensationPlanNumberOfTradingsDaysConsideredForExercisePrice
Namespace Prefix:	jmia_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

The length of the period, after expiration of the waiting period, during which recipients can exercise options received under the share based compensation plan.

No definition available.

Name:	jmia_ShareBasedCompensationPlanOptionsExercisePeriod
Namespace Prefix:	jmia_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

The period during which former management beneficiaries incept work for a competitor of the entity which triggers forfeiture of unexercised options granted under the share-based compensation plan.

No definition available.

Name:	jmia_ShareBasedCompensationPlanOptionsPeriodTriggeringForfeiture
Namespace Prefix:	jmia_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

The waiting period that must expire before options granted under the share-based compensation plan can be exercised.

No definition available.