XML 34 R24.htm IDEA: XBRL DOCUMENT
v3.23.3

Restricted Cash, Deposits and Marketable Securities (Narrative) (Details) | 6 Months Ended
--- | ---
Jun. 30, 2022
Disclosure of financial assets [line items] |
Bonds coupon rate | 3.255%

X
- Definition Bonds coupon rate. + References No definition available. + Details
Name: | ello_BondsCouponRate
Namespace Prefix: | ello_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

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