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RECENT ACCOUNTING PRONOUNCEMENTS Recent Accounting Pronouncements (Details) | 9 Months Ended
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Sep. 30, 2018 USD ($)
Accounting Standards Update 2016-02 [Member] |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |
Lease costs that will be expensed after adoption of new accounting standard | $ 200,000

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- Definition Lease costs that will be expensed after adoption of new accounting standard + References No definition available. + Details
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Namespace Prefix: | egp_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |