XML 88 R68.htm IDEA: XBRL DOCUMENT
v3.20.4

Summary of significant accounting policies - Segment revenue (Details) € in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2020 EUR (€) segment item | Dec. 31, 2019 EUR (€) | Dec. 31, 2018 EUR (€)
Disclosure of geographical areas [line items] |  |  |
Number of Co-CEOs | item | 2 |  |
Number of operating segments | segment | 1 |  |
Number of reportable segments | segment | 1 |  |
Revenue | € 139,623 | € 160,408 | € 129,058
Property and equipment | 16,559 | 17,434 |
West Africa |  |  |
Disclosure of geographical areas [line items] |  |  |
Revenue | 63,105 | 68,919 | 65,655
Property and equipment | 4,333 | 5,201 |
North Africa |  |  |
Disclosure of geographical areas [line items] |  |  |
Revenue | 48,476 | 57,238 | 36,947
Property and equipment | 6,343 | 4,878 |
East Africa And South Africa [Member] |  |  |
Disclosure of geographical areas [line items] |  |  |
Revenue | 27,107 | 32,839 | 25,947
Property and equipment | 4,506 | 6,243 |
Europe |  |  |
Disclosure of geographical areas [line items] |  |  |
Revenue | 728 | 1,363 | € 509
Property and equipment | 1,323 | 1,030 |
United Arab Emirates |  |  |
Disclosure of geographical areas [line items] |  |  |
Revenue | 207 | 49 |
Property and equipment | € 54 | € 82 |

X
- Definition Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes of the table. + References No definition available. + Details
Name: | ifrs-full_DisclosureOfGeographicalAreasLineItems
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The amount of tangible assets that: (a) are held for use in the production or supply of goods or services, for rental to others, or for administrative purposes; and (b) are expected to be used during more than one period. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 16 -IssueDate 2020-01-01 -Paragraph 73 -Subparagraph e -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=16&code=ifrs-tx-2020-en-r&anchor=para_73_e&doctype=Standard -URIDate 2020-01-01 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2020-01-01 -Paragraph 54 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2020-en-r&anchor=para_54_a&doctype=Standard -URIDate 2020-01-01 + Details
Name: | ifrs-full_PropertyPlantAndEquipment
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The amount of revenue from contracts with customers. A customer is a party that has contracted with an entity to obtain goods or services that are an output of the entity’s ordinary activities in exchange for consideration. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 15 -IssueDate 2020-01-01 -Paragraph 113 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=15&code=ifrs-tx-2020-en-r&anchor=para_113_a&doctype=Standard -URIDate 2020-01-01 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 15 -IssueDate 2020-01-01 -Paragraph 114 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=15&code=ifrs-tx-2020-en-r&anchor=para_114&doctype=Standard -URIDate 2020-01-01 + Details
Name: | ifrs-full_RevenueFromContractsWithCustomers
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Represents the number of operating segments. + References No definition available. + Details
Name: | jmia_IfrsNumberOfOperatingSegments
Namespace Prefix: | jmia_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents the number of reporting segments. + References No definition available. + Details
Name: | jmia_IfrsNumberOfReportableSegments
Namespace Prefix: | jmia_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents the number of Co CEO's who form part of the chief operating decision maker. + References No definition available. + Details
Name: | jmia_NumberOfCoChiefExecutiveOfficers
Namespace Prefix: | jmia_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | srt_StatementGeographicalAxis=jmia_WestAfricaMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_StatementGeographicalAxis=jmia_NorthAfricaMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_StatementGeographicalAxis=jmia_EastAfricaAndSouthAfricaMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_StatementGeographicalAxis=srt_EuropeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_StatementGeographicalAxis=country_AE
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |