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v3.22.2.2

Subsequent events (Narrative) (Details) ₪ in Thousands, € in Millions | Aug. 17, 2022 EUR (€) | Jun. 30, 2022 ILS (₪)
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Disclosure of non-adjusting events after reporting period [line items] |  |
Notional principal amount of currency swap | ₪ |  | ₪ 100,000
Subsequent Event [Member] |  |
Disclosure of non-adjusting events after reporting period [line items] |  |
Mark to market price of currency swap | € | € 3.8 |

X
- Definition Represents the mark to market price of currency swap. + References No definition available. + Details
Name: | ello_CurrencySwapMarkToMarketPrice
Namespace Prefix: | ello_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | instant

X
- Definition Represents the notional principal amount of currency swap. + References No definition available. + Details
Name: | ello_CurrencySwapNotionalPrincipalAmount
Namespace Prefix: | ello_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | instant

X
- Definition 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. + References No definition available. + Details
Name: | ifrs-full_DisclosureOfNonadjustingEventsAfterReportingPeriodLineItems
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | ifrs-full_NonadjustingEventsAfterReportingPeriodAxis=ello_SubsequentEventMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |