Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table.

No definition available.

+ Details

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

- Definition

The amount of outstanding commitments made by the entity in related party transactions. [Refer: Related parties [member]]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 24
-IssueDate 2022-03-24
-Paragraph 18
-Subparagraph b
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=24&code=ifrs-tx-2022-en-r&anchor=para_18_b&doctype=Standard
-URIDate 2022-03-24

+ Details

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Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The amount of outstanding commitments made on behalf of the entity in related party transactions. [Refer: Related parties [member]]

+ References

+ Details

Name:	ifrs-full_OutstandingCommitmentsMadeOnBehalfOfEntityRelatedPartyTransactions
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The amount of services received in related party transactions. [Refer: Related parties [member]]

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Name IAS
-Number 24
-IssueDate 2022-03-24
-Paragraph 21
-Subparagraph c
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=24&code=ifrs-tx-2022-en-r&anchor=para_21_c&doctype=Standard
-URIDate 2022-03-24

+ Details

Name:	ifrs-full_ServicesReceivedRelatedPartyTransactions
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Details

Name:	ifrs-full_CategoriesOfRelatedPartiesAxis=ello_KanirAndMeisafMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ifrs-full_CategoriesOfRelatedPartiesAxis=ello_KanirAndKeystoneRPHoldingsAndInvestmentsLtdMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ifrs-full_CategoriesOfRelatedPartiesAxis=ello_KeystoneMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ifrs-full_CategoriesOfRelatedPartiesAxis=ello_KanirMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ifrs-full_CategoriesOfRelatedPartiesAxis=ello_DoriEnergyMember
Namespace Prefix:
Data Type:	na
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Transactions and Balances with Related Parties (Narrative) (Details) € in Thousands, ₪ in Thousands, $ in Thousands	1 Months Ended	12 Months Ended
	Dec. 30, 2008 USD ($)	Dec. 31, 2022 EUR (€)	Dec. 31, 2022 ILS (₪)
Disclosure of transactions between related parties [line items]
Outstanding commitments made on behalf of entity, related party transactions			₪ 23,467
Kanir and Meisaf [Member]
Disclosure of transactions between related parties [line items]
Aggregate annual services fee	$ 400	€ 369,000	1,386
Kanir and Keystone R.P. Holdings and Investments Ltd [Member]
Disclosure of transactions between related parties [line items]
Aggregate annual services fee		€ 480	1,800,000
Keystone [Member]
Disclosure of transactions between related parties [line items]
Aggregate annual services fee			1,140
Kanir [Member]
Disclosure of transactions between related parties [line items]
Aggregate annual services fee			660
Dori Energy [Member]
Disclosure of transactions between related parties [line items]
Outstanding commitments made by entity, related party transactions			₪ 46,933