XML 110 R87.htm IDEA: XBRL DOCUMENT
v3.24.1.u1

Transactions and Balances with Related Parties (Details) - Schedule of Compensation to Directors - Key Management Non Personnel of Entity or Parent [Member] € in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2023 EUR (€) | Dec. 31, 2022 EUR (€) | Dec. 31, 2021 EUR (€)
Schedule of Compensation to Directors [Line Items] |  |  |
Total compensation to directors not employed by the Company, Number of people | 4 | 4 | 4
Total compensation to directors not employed by the Company, Amount | € 80 | € 90 | € 72
Share-based payments, Number of people | 4 | 4 | 4
Share-based payments, Amount | € 28 | € 36 | € 10

X
- Definition Number of people for share-based payments. + References No definition available. + Details
Name: | ello_NumberOfEmployeesForShareBasedPayments
Namespace Prefix: | ello_
Data Type: | xbrli:decimalItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of people for compensation not employed by the company. + References No definition available. + Details
Name: | ello_NumberOfPeopleForCompensationNotEmployed
Namespace Prefix: | ello_
Data Type: | xbrli:decimalItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | ello_ScheduleOfCompensationToDirectorsLineItems
Namespace Prefix: | ello_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The amount of compensation to key management personnel. [Refer: Key management personnel of entity or parent [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 24 -IssueDate 2023-01-01 -Paragraph 17 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=24&code=ifrs-tx-2023-en-r&anchor=para_17&doctype=Standard -URIDate 2023-03-23 + Details
Name: | ifrs-full_KeyManagementPersonnelCompensation
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The amount of compensation to key management personnel in the form of share-based payments. [Refer: Key management personnel of entity or parent [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 24 -IssueDate 2023-01-01 -Paragraph 17 -Subparagraph e -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=24&code=ifrs-tx-2023-en-r&anchor=para_17_e&doctype=Standard -URIDate 2023-03-23 + Details
Name: | ifrs-full_KeyManagementPersonnelCompensationSharebasedPayment
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | ifrs-full_CategoriesOfRelatedPartiesAxis=ello_KeyManagementNonPersonnelOfEntityOrParentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |