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Segment Information - Additional Information (Detail) | Dec. 31, 2017 Segments
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Disclosure of operating segments [abstract] |
Number of reportable segments | 6

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- Definition Number of reportable segments. + References No definition available. + Details
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Namespace Prefix: | ego_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

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