XML 74 R54.htm IDEA: XBRL DOCUMENT
v3.21.1

Restricted Cash, Deposits and Marketable Securities (Narrative) (Details) | 12 Months Ended
--- | ---
Dec. 31, 2020
Disclosure of Restricted cash deposits and marketable securities [Abstract] |
Bonds coupon rate | 5.569%
Bonds rating | BB+

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

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

X
- Definition The description of credit rating agencies used to evaluate the credit quality of the entity's financial assets. [Refer: Financial assets] + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Note Expiry date 2021-01-01 -Name IFRS -Number 7 -IssueDate 2020-01-01 -Paragraph IG24 -Subparagraph b -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2017-en-b&anchor=para_IG24_b&doctype=Implementation%20Guidance&book=b -URIDate 2020-01-01 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Note Expiry date 2021-01-01 -Name IFRS -Number 7 -IssueDate 2020-01-01 -Paragraph 36 -Subparagraph c -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2017-en-b&anchor=para_36_c&doctype=Standard&book=b -URIDate 2020-01-01 + Details
Name: | ifrs-full_DescriptionOfRatingAgenciesUsed
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration