XML 39 R28.htm IDEA: XBRL DOCUMENT
v3.10.0.1

Financial Instruments (Narrative) (Details) | 6 Months Ended
--- | ---
Jun. 30, 2018
Disclosure of detailed information about financial instruments [abstract] |
Fair value estimated cash flows expected to received | 4.5 years
Discounted weighted interest rate | 2.36%

X
- Definition Discounted weighted interest rate. + References No definition available. + Details
Name: | ello_DiscountedWeightedInterestRate
Namespace Prefix: | ello_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Fair value estimated cash flows expected to received. + References No definition available. + Details
Name: | ello_FairValueEstimatedCashFlowsExpectedToReceived
Namespace Prefix: | ello_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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