Additional compensation aggregate amount.

No definition available.

Name:	ello_AdditionalCompensationAggregateAmount
Namespace Prefix:	ello_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Amount of acquisition.

+ References

No definition available.

+ Details

Name:	ello_AmountOfAcquisition
Namespace Prefix:	ello_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Claims damages.

+ References

No definition available.

+ Details

Name:	ello_ClaimsDamages
Namespace Prefix:	ello_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Compensation paid.

+ References

No definition available.

+ Details

Name:	ello_CompensationPaid
Namespace Prefix:	ello_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Compensation received.

+ References

No definition available.

+ Details

Name:	ello_CompensationReceived
Namespace Prefix:	ello_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Licence period.

+ References

No definition available.

+ Details

Name:	ello_LicencePeriod
Namespace Prefix:	ello_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Number of installments.

+ References

No definition available.

+ Details

Name:	ello_NumberOfInstallments
Namespace Prefix:	ello_
Data Type:	xbrli:decimalItemType
Balance Type:	na
Period Type:	duration

- Definition

Obligated post bond for damages.

+ References

No definition available.

+ Details

Name:	ello_ObligatedPostBondForDamages
Namespace Prefix:	ello_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Percentage of acquire cooperatives holdings.

+ References

No definition available.

+ Details

Name:	ello_PercentageOfAcquireCooperativesHoldings
Namespace Prefix:	ello_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

The percentage of share capital holds.

+ References

No definition available.

+ Details

Name:	ello_PercentageOfShareCapitalHolds
Namespace Prefix:	ello_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Remaining amount of Acquisition.

+ References

No definition available.

+ Details

Name:	ello_RemainingAmountOfAcquisition
Namespace Prefix:	ello_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The amount of outstanding funds that the entity is obligated to repay.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 1
-IssueDate 2018-01-01
-Paragraph 55
-URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2018-03-01&anchor=para_55&doctype=Standard
-URIDate 2018-03-16

+ Details

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

- Definition

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

+ References

No definition available.

+ Details

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

- Definition

The proportion of ownership interest in a subsidiary attributable to the entity. [Refer: Subsidiaries [member]]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 27
-IssueDate 2018-01-01
-Paragraph 17
-Subparagraph b
-Clause iii
-URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=27&date=2018-03-01&anchor=para_17_b_iii&doctype=Standard
-URIDate 2018-03-16

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 27
-IssueDate 2018-01-01
-Paragraph 16
-Subparagraph b
-Clause iii
-URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=27&date=2018-03-01&anchor=para_16_b_iii&doctype=Standard
-URIDate 2018-03-16

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 12
-IssueDate 2018-01-01
-Paragraph 19B
-Subparagraph c
-URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=12&date=2018-03-01&anchor=para_19B_c&doctype=Standard
-URIDate 2018-03-16

+ Details

Name:	ifrs-full_ProportionOfOwnershipInterestInSubsidiary
Namespace Prefix:	ifrs-full_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

The cash outflow to settle borrowings, classified as financing activities. [Refer: Borrowings]

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Name IAS
-Number 7
-IssueDate 2018-01-01
-Paragraph 17
-Subparagraph d
-URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=7&date=2018-03-01&anchor=para_17_d&doctype=Standard
-URIDate 2018-03-16

+ Details

Name:	ifrs-full_RepaymentsOfBorrowingsClassifiedAsFinancingActivities
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Details

Name:	srt_CurrencyAxis=currency_ILS
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ifrs-full_NonadjustingEventsAfterReportingPeriodAxis=ello_KochavHayardenMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_CurrencyAxis=currency_EUR
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ifrs-full_NonadjustingEventsAfterReportingPeriodAxis=ello_KochavPumpedStorageMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis=ello_PumpedStorageProjectsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ifrs-full_SignificantInvestmentsInSubsidiariesAxis=ello_ARZElectricityLtdMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ifrs-full_SignificantInvestmentsInAssociatesAxis=ello_FirstInstallmentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ifrs-full_SignificantInvestmentsInAssociatesAxis=ello_SecondInstallmentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ifrs-full_SignificantInvestmentsInSubsidiariesAxis=ello_ElectraHoldingsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ifrs-full_SignificantInvestmentsInSubsidiariesAxis=ello_ShevaMizrakotLtdMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ifrs-full_SignificantInvestmentsInSubsidiariesAxis=ello_EllomayPumpedStorageMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ifrs-full_SignificantInvestmentsInSubsidiariesAxis=ello_KochavPumpedStorageMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ifrs-full_SignificantInvestmentsInSubsidiariesAxis=ello_AgiraSheuvaElectraLPMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Investee Companies and other investments (Pumped Storage Projects) (Narrative) (Details) € in Thousands, ₪ in Thousands			1 Months Ended							12 Months Ended
	Jun. 02, 2017 EUR (€)	Nov. 03, 2014	Dec. 27, 2017 ILS (₪)	Dec. 27, 2017 EUR (€)	Jul. 31, 2014 ILS (₪)	Jul. 31, 2014 EUR (€)	Nov. 30, 2013 ILS (₪) Installment	Nov. 30, 2013 EUR (€) Installment	Jul. 17, 2013 ILS (₪)	Dec. 31, 2018 ILS (₪)	Dec. 31, 2018 EUR (€)	Dec. 31, 2016	Dec. 31, 2017 EUR (€)	Jul. 17, 2013 EUR (€)
Disclosure of subsidiaries [line items]
Amount of loan											€ 66,092		€ 44,864
Repayment of loan and accrued interest											(13,593)
NIS [Member] \| Kochav Hayarden's [Member]
Disclosure of subsidiaries [line items]
Claims damages \| ₪			₪ 4,238
Euro [Member] \| Kochav Hayarden's [Member]
Disclosure of subsidiaries [line items]
Claims damages				€ 1,020
Euro [Member] \| Kochav Pumped Storage [Member]
Disclosure of subsidiaries [line items]
Claims damages				1,020
Pumped Storage Projects [Member]
Disclosure of subsidiaries [line items]
Amount of Acquisition											798
Remaining amount of Acquisition											9,300
Pumped Storage Projects [Member] \| NIS [Member]
Disclosure of subsidiaries [line items]
Amount of Acquisition \| ₪										₪ 3,400
Remaining amount of Acquisition \| ₪										39,800
A.R.Z. Electricity Ltd [Member] \| Pumped Storage Projects [Member]
Disclosure of subsidiaries [line items]
Percentage of share capital holds									24.00%
Amount of loan														€ 164
Repayment of loan and accrued interest								€ 200
Additional compensation aggregate amount								€ 1,400
Number of installments \| Installment							2	2
A.R.Z. Electricity Ltd [Member] \| Pumped Storage Projects [Member] \| First Installment [Member]
Disclosure of subsidiaries [line items]
Compensation paid								€ 250
Compensation received						€ 260
A.R.Z. Electricity Ltd [Member] \| Pumped Storage Projects [Member] \| Second Installment [Member]
Disclosure of subsidiaries [line items]
Compensation paid								€ 1,160
Compensation received											€ 1,282
A.R.Z. Electricity Ltd [Member] \| Pumped Storage Projects [Member] \| NIS [Member]
Disclosure of subsidiaries [line items]
Amount of loan \| ₪									₪ 770
Repayment of loan and accrued interest \| ₪							₪ 1,000
Additional compensation aggregate amount \| ₪							6,700
A.R.Z. Electricity Ltd [Member] \| Pumped Storage Projects [Member] \| NIS [Member] \| First Installment [Member]
Disclosure of subsidiaries [line items]
Compensation paid \| ₪							1,200
Compensation received \| ₪					₪ 1,200
A.R.Z. Electricity Ltd [Member] \| Pumped Storage Projects [Member] \| NIS [Member] \| Second Installment [Member]
Disclosure of subsidiaries [line items]
Compensation paid \| ₪							₪ 5,500
Compensation received \| ₪										₪ 5,500
Electra's holdings [Member] \| Pumped Storage Projects [Member]
Disclosure of subsidiaries [line items]
Percentage of share capital holds		100.00%
Sheva Mizrakot Ltd [Member] \| Pumped Storage Projects [Member]
Disclosure of subsidiaries [line items]
Percentage of acquire cooperatives holdings		25.00%
Ellomay Pumped Storage [Member]
Disclosure of subsidiaries [line items]
Percentage of subsidiary owned												75.00%
Licence period												72 months
Ellomay Pumped Storage [Member] \| NIS [Member] \| Kochav Hayarden's [Member]
Disclosure of subsidiaries [line items]
Obligated post bond for damages	€ 2,000
Kochav Pumped Storage [Member] \| NIS [Member]
Disclosure of subsidiaries [line items]
Claims damages				€ 4,200
Agira Sheuva Electra, L.P [Member] \| Pumped Storage Projects [Member]
Disclosure of subsidiaries [line items]
Percentage of acquire cooperatives holdings		75.00%