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Guarantees, Commitments,And Contingencies - Summary of Companys purchase obligations of future period (Detail) - CAD ($) $ in Thousands | Jun. 30, 2022 | Dec. 31, 2021
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Disclosure of Companys purchase obligations of future period [Abstract] |  |
2022 | $ 315,186 | $ 243,737
2023 | 59,521 | 2,904
2024 | $ 2,612 | $ 125

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- Definition Disclosure of Company's purchase obligations of future period. + References No definition available. + Details
Name: | enrff_DisclosureOfCompanysPurchaseObligationsOfFuturePeriodAbstract
Namespace Prefix: | enrff_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition Purchase obligations to be paid year 2. + References No definition available. + Details
Name: | enrff_PurchaseObligationsToBePaidYear2
Namespace Prefix: | enrff_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition Purchase obligations to be paid year 3. + References No definition available. + Details
Name: | enrff_PurchaseObligationsToBePaidYear3
Namespace Prefix: | enrff_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition Purchase obligations to be paid year one. + References No definition available. + Details
Name: | enrff_PurchaseObligationsToBePaidYearOne
Namespace Prefix: | enrff_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant