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Data Type:	dtr-types:percentItemType
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Period Type:	instant

Represents number of quarterly repayment installments.

No definition available.

Name:	eco_BorrowingsNumberOfQuarterlyRepaymentInstallments
Namespace Prefix:	eco_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

Amount of the required periodic payments including both interest and principal payments

No definition available.

Name:	eco_IfrsDebtInstrumentPeriodicPayment
Namespace Prefix:	eco_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Amount of payment greater than the preceding installment payments to be paid at final maturity date of debt.

No definition available.

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Namespace Prefix:	eco_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

No definition available.

Name:	eco_IfrsDebtInstrumentTerm
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Loss on debt extinguishment

No definition available.

Name:	eco_LossOnDebtExtinguishment
Namespace Prefix:	eco_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

The minimum cash collateral deposits criteria for reduced adjusted interest rate basis.

No definition available.

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Namespace Prefix:	eco_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

Represents information pertaining to secured debt facility with syndicate of banks of vessels Nissos Tigani and Nissos Vous.

No definition available.

Name:	eco_NumberOfVesselsUnderConstruction
Namespace Prefix:	eco_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

The adjustment to the basis (reference rate) used for calculation of the interest rate on borrowings. [Refer: Borrowings]

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IFRS
-Number 7
-IssueDate 2025-01-01
-Paragraph 7
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2025-en-r&anchor=para_7&doctype=Standard
-URIDate 2025-03-27

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Data Type:	dtr-2022:percentItemType
Balance Type:	na
Period Type:	instant

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.

No definition available.

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

The nominal or face amount of a financial instrument, used to calculate payments made on that instrument.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Note Expiry date 2027-01-01
-Name IAS
-Number 1
-IssueDate 2025-01-01
-Paragraph 112
-Subparagraph c
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_112_c&doctype=Standard
-URIDate 2025-03-27

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Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	na
Period Type:	instant

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Namespace Prefix:
Data Type:	na
Balance Type:
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Name:	ifrs-full_TypesOfInterestRatesAxis=eco_SecuredOvernightFinancingRateMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	ifrs-full_BorrowingsByNameAxis=eco_SecuredTermLoanFacilityWithNationalBankOfGreeceS.a.Member
Namespace Prefix:
Data Type:	na
Balance Type:
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Name:	ifrs-full_BorrowingsByNameAxis=eco_SeniorSecuredCreditFacilityWithSaleAndLeasebackOfVesselNissosRheniaMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	ifrs-full_BorrowingsByNameAxis=eco_SeniorSecuredCreditFacilityWithSaleAndLeasebackOfVesselNissosDespotikoMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	ifrs-full_BorrowingsByNameAxis=eco_NissosTiganiAndNissosVousSecuredDebtFacilityWithSyndicateOfBanksMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	ifrs-full_BorrowingsByNameAxis=eco_RefinancedLoanAgreementsForNissosRheniaAndNissosDespotikoMember
Namespace Prefix:
Data Type:	na
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