XML 110 R90.htm IDEA: XBRL DOCUMENT
v3.21.1

Equity (Narrative) (Details) € / shares in Units, ₪ / shares in Units, $ / shares in Units, € in Thousands, ₪ in Thousands, $ in Thousands | 1 Months Ended | 12 Months Ended |  |  |  |  |  |  |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Oct. 26, 2020 ILS (₪) ₪ / shares | Oct. 26, 2020 EUR (€) | Jul. 17, 2019 ILS (₪) ₪ / shares shares | Jul. 17, 2019 EUR (€) | Mar. 18, 2015 | Dec. 31, 2020 USD ($) $ / shares shares | Dec. 31, 2020 EUR (€) | Dec. 31, 2019 EUR (€) | Dec. 31, 2018 $ / shares shares | Dec. 31, 2020 ILS (₪) ₪ / shares shares | Dec. 31, 2020 EUR (€) € / shares shares | Oct. 31, 2020 ₪ / shares | Oct. 31, 2020 € / shares | Oct. 26, 2020 EUR (€) € / shares | Jul. 20, 2020 ILS (₪) ₪ / shares shares | Jul. 20, 2020 EUR (€) € / shares shares | Jun. 10, 2020 ILS (₪) | Feb. 28, 2020 ILS (₪) ₪ / shares shares | Feb. 28, 2020 EUR (€) € / shares shares | Dec. 31, 2019 $ / shares | Dec. 31, 2019 EUR (€) shares | Mar. 23, 2016 USD ($) $ / shares | May 31, 2015 USD ($) | May 31, 2015 EUR (€)
Disclosure of classes of share capital [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Maximum dividend paid |  |  |  |  | 33.00% | 0.00% | 0.00% | 0.00% | 0.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Price per share | $ / shares |  |  |  |  |  | $ 10.00 |  |  | $ 10.00 |  |  |  |  |  |  |  |  |  |  | $ 10.00 |  |  |  |
Issue of equity |  |  |  |  |  |  | € 21,275 | € 7,807 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amount of liability |  |  |  |  |  |  |  |  |  |  | € 335,146 |  |  |  |  |  |  |  |  |  | € 202,606 |  |  |
USD [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of classes of share capital [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Issue of equity | $ |  |  |  |  |  | $ 26,099 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Cash dividend per share | $ / shares |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 0.225 |  |
Cash dividend | $ |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 2,400 |  |
Amount of liability | $ |  |  |  |  |  | $ 411,150 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Series C Debentures [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of classes of share capital [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Price per share | € / shares |  |  |  |  |  |  |  |  |  |  |  |  | € 37.5 |  |  |  |  |  |  |  |  |  |  |
Series C Debentures [Member] | NIS [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of classes of share capital [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Price per share | ₪ / shares |  |  |  |  |  |  |  |  |  |  |  | ₪ 150 |  |  |  |  |  |  |  |  |  |  |  |
Ordinary Shares [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of classes of share capital [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Treasury shares | shares |  |  |  |  |  | 258,046 |  |  | 258,046 | 258,046 | 258,046 |  |  |  |  |  |  |  |  |  | 258,046 |  |  |
Repurchase of ordinary shares | shares |  |  |  |  |  | 172,391 |  |  |  | 172,391 | 172,391 |  |  |  |  |  |  |  |  |  |  |  |  |
Amount of ordinary shares repurchased | $ |  |  |  |  |  | $ 1,477 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Ordinary Shares [Member] | Director [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of classes of share capital [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amount of ordinary shares repurchased | $ |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 3,000 |
Ordinary Shares [Member] | Euro [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of classes of share capital [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amount of ordinary shares repurchased |  |  |  |  |  |  |  |  |  |  | € 1,204 |  |  |  |  |  |  |  |  |  |  |  |  |
Ordinary Shares [Member] | Euro [Member] | Director [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of classes of share capital [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amount of ordinary shares repurchased |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | € 2,700
Ordinary Shares [Member] | Series 1 Options [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of classes of share capital [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amount of ordinary shares repurchased |  |  |  |  |  |  |  |  |  |  |  |  |  | € 385,000 |  |  |  |  |  |  |  |  |  |
Ordinary Shares [Member] | Series C Debentures [Member] | NIS [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of classes of share capital [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amount of ordinary shares repurchased | ₪ | ₪ 154,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Price per share | ₪ / shares | ₪ 150 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Proceeds from private placement | ₪ | ₪ 8,891 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net proceeds of offering | ₪ |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | ₪ 164,200 |  |  |  |  |  |  |
Consultancy fee and commissions | ₪ | ₪ 162,400 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Ordinary Shares [Member] | Series C Debentures [Member] | Euro [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of classes of share capital [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amount of ordinary shares repurchased |  |  |  |  |  |  |  |  |  |  |  |  |  | € 38,520 |  |  |  |  |  |  |  |  |  |
Price per share | € / shares |  |  |  |  |  |  |  |  |  |  |  |  |  | € 37.5 |  |  |  |  |  |  |  |  |  |
Proceeds from private placement |  |  |  |  |  |  |  |  |  |  |  |  |  | € 2,224 |  |  |  |  |  |  |  |  |  |
Consultancy fee and commissions |  | € 40,281 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Ordinary Shares [Member] | Private Placement Undertaking [Member] | Qualified Investors [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of classes of share capital [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of ordinary shares issue | shares |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 450,000 | 450,000 |  |  |  |  |  |  |  |
Ordinary Shares [Member] | Private Placement Undertaking [Member] | Investors [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of classes of share capital [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Warrant issued to purchase ordinary shares | shares |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 178,750 | 178,750 |  |  |  |  |
Number of ordinary shares issue | shares |  |  | 800,000 |  |  | 178,750 |  |  |  | 178,750 | 178,750 |  |  |  |  |  |  | 715,000 | 715,000 |  |  |  |  |
Issue of equity |  |  |  | € 7,807 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consultancy fee and commissions |  |  |  | € 50 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Ordinary Shares [Member] | Private Placement Undertaking [Member] | NIS [Member] | Qualified Investors [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of classes of share capital [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Price per share | ₪ / shares |  |  |  |  |  |  |  |  |  |  |  |  |  |  | ₪ 70.5 |  |  |  |  |  |  |  |  |
Proceeds from private placement | ₪ |  |  |  |  |  |  |  |  |  |  |  |  |  |  | ₪ 31,725 |  |  |  |  |  |  |  |  |
Ordinary Shares [Member] | Private Placement Undertaking [Member] | NIS [Member] | Investors [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of classes of share capital [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exercise price of warrant | ₪ / shares |  |  |  |  |  |  |  |  |  | ₪ 80 |  |  |  |  |  |  |  | ₪ 80 |  |  |  |  |  |
Price per share | ₪ / shares |  |  | ₪ 39.20 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | ₪ 70 |  |  |  |  |  |
Issue of equity | ₪ |  |  | ₪ 31,100 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consultancy fee and commissions | ₪ |  |  | ₪ 200 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Proceeds from private placement | ₪ |  |  |  |  |  |  |  |  |  | ₪ 14,300 |  |  |  |  |  |  |  | ₪ 50,050 |  |  |  |  |  |
Amount recognized in other liabilities in connection with warrants | ₪ |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | ₪ 1,182,000 |  |  |  |  |  |
Ordinary Shares [Member] | Private Placement Undertaking [Member] | Euro [Member] | Qualified Investors [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of classes of share capital [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Price per share | € / shares |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | € 18 |  |  |  |  |  |  |  |
Proceeds from private placement |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | € 8,097 |  |  |  |  |  |  |  |
Ordinary Shares [Member] | Private Placement Undertaking [Member] | Euro [Member] | Investors [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of classes of share capital [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exercise price of warrant | € / shares |  |  |  |  |  |  |  |  |  |  | € 20.3 |  |  |  |  |  |  |  | € 21.6 |  |  |  |  |
Price per share | € / shares |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | € 18.9 |  |  |  |  |
Proceeds from private placement |  |  |  |  |  |  |  |  |  |  | € 3,626 |  |  |  |  |  |  |  | € 13,500 |  |  |  |  |
Amount recognized in other liabilities in connection with warrants |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | € 320 |  |  |  |  |
Amount of liability |  |  |  |  |  |  |  |  |  |  | € 127 |  |  |  |  |  |  |  |  |  |  |  |  |

X
- Definition Amount of ordinary shares repurchased. + References No definition available. + Details
Name: | ello_AmountOfOrdinarySharesRepurchased
Namespace Prefix: | ello_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount recognized in other liabilities in connection with warrants. + References No definition available. + Details
Name: | ello_AmountRecognizedInOtherLiabilitiesInConnectionWithWarrants
Namespace Prefix: | ello_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Cash dividend paid. + References No definition available. + Details
Name: | ello_CashDividend
Namespace Prefix: | ello_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Cash dividend per share. + References No definition available. + Details
Name: | ello_CashDividendPerShare
Namespace Prefix: | ello_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | instant

X
- Definition Exercise price of warrant. + References No definition available. + Details
Name: | ello_ExercisePriceOfWarrant
Namespace Prefix: | ello_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | instant

X
- Definition Treasury shares. + References No definition available. + Details
Name: | ello_NetOfTreasuryShares
Namespace Prefix: | ello_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Definition Net proceeds of offering. + References No definition available. + Details
Name: | ello_NetProceedsOfOffering
Namespace Prefix: | ello_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Proceeds from private placement. + References No definition available. + Details
Name: | ello_ProceedsFromPrivatePlacement
Namespace Prefix: | ello_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Repurchase of ordinary shares. + References No definition available. + Details
Name: | ello_RepurchaseOrdinaryShares
Namespace Prefix: | ello_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Definition Warrant issued to purchase ordinary shares. + References No definition available. + Details
Name: | ello_WarrantIssuedToPurchaseOrdinaryShares
Namespace Prefix: | ello_
Data Type: | xbrli:sharesItemType
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 domain members defined in one or many axes of the table. + References No definition available. + Details
Name: | ifrs-full_DisclosureOfClassesOfShareCapitalLineItems
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The percentage of an expected dividend used to calculate the fair value of share options granted. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 2 -IssueDate 2020-01-01 -Paragraph 47 -Subparagraph a -Clause i -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2020-en-r&anchor=para_47_a_i&doctype=Standard -URIDate 2020-01-01 + Details
Name: | ifrs-full_ExpectedDividendAsPercentageShareOptionsGranted
Namespace Prefix: | ifrs-full_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition The amount of expense relating to fees and commissions. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2020-01-01 -Paragraph 85 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2020-en-r&anchor=para_85&doctype=Standard -URIDate 2020-01-01 + Details
Name: | ifrs-full_FeeAndCommissionExpense
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The increase in equity through the issue of equity instruments. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2020-01-01 -Paragraph 106 -Subparagraph d -Clause iii -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2020-en-r&anchor=para_106_d_iii&doctype=Standard -URIDate 2020-01-01 + Details
Name: | ifrs-full_IssueOfEquity
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The amount of a present obligation of the entity to transfer an economic resource as a result of past events. Economic resource is a right that has the potential to produce economic benefits. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 13 -IssueDate 2020-01-01 -Paragraph 93 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=13&code=ifrs-tx-2020-en-r&anchor=para_93_a&doctype=Standard -URIDate 2020-01-01 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 13 -IssueDate 2020-01-01 -Paragraph 93 -Subparagraph b -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=13&code=ifrs-tx-2020-en-r&anchor=para_93_b&doctype=Standard -URIDate 2020-01-01 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 13 -IssueDate 2020-01-01 -Paragraph 93 -Subparagraph e -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=13&code=ifrs-tx-2020-en-r&anchor=para_93_e&doctype=Standard -URIDate 2020-01-01 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 8 -IssueDate 2020-01-01 -Paragraph 28 -Subparagraph d -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=8&code=ifrs-tx-2020-en-r&anchor=para_28_d&doctype=Standard -URIDate 2020-01-01 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 8 -IssueDate 2020-01-01 -Paragraph 23 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=8&code=ifrs-tx-2020-en-r&anchor=para_23&doctype=Standard -URIDate 2020-01-01 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2020-01-01 -Paragraph 55 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2020-en-r&anchor=para_55&doctype=Standard -URIDate 2020-01-01 + Details
Name: | ifrs-full_Liabilities
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The number of shares issued by the entity. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2020-01-01 -Paragraph 106 -Subparagraph d -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2020-en-r&anchor=para_106_d&doctype=Standard -URIDate 2020-01-01 + Details
Name: | ifrs-full_NumberOfSharesIssued
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Definition The nominal value per share. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2020-01-01 -Paragraph 79 -Subparagraph a -Clause iii -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2020-en-r&anchor=para_79_a_iii&doctype=Standard -URIDate 2020-01-01 + Details
Name: | ifrs-full_ParValuePerShare
Namespace Prefix: | ifrs-full_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | instant

X
- Definition The amount of cost related to the issuance of shares. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2020-01-01 -Paragraph 106 -Subparagraph d -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2020-en-r&anchor=para_106_d&doctype=Standard -URIDate 2020-01-01 + Details
Name: | ifrs-full_ShareIssueRelatedCost
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | srt_CurrencyAxis=currency_USD
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfFinancialInstrumentsAxis=ello_SeriesCDebenturesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_CurrencyAxis=currency_ILS
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfShareCapitalAxis=ifrs-full_OrdinarySharesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_CategoriesOfRelatedPartiesAxis=ello_DirectorsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_CurrencyAxis=currency_EUR
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfFinancialInstrumentsAxis=ello_SeriesOneOptionssMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfFinancialInstrumentsAxis=ello_PrivatePlacementUndertakingMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_CategoriesOfRelatedPartiesAxis=ello_QualifiedInvestorsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_CategoriesOfRelatedPartiesAxis=ello_InvestorsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |