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SUBSEQUENT EVENTS (Details) - Development land [Member] - Subsequent Event [Member] $ in Millions | 1 Months Ended
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Oct. 22, 2018 USD ($) ft² a Integer
Subsequent Event [Line Items] |
Size (in acres) of land acquired | a | 29
Real estate property acquistion, purchase price | $ | $ 3
Number of buildings to be developed in the future | Integer | 4
Size (in square feet) of buildings to be developed | ft² | 370,000

X
- Definition Number of buildings to be developed in the future + References No definition available. + Details
Name: | egp_Numberofbuildingstobedevelopedinthefuture
Namespace Prefix: | egp_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Real estate property acquistion, purchase price + References No definition available. + Details
Name: | egp_Realestatepropertyacquistionpurchaseprice
Namespace Prefix: | egp_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Size (in acres) of land acquired + References No definition available. + Details
Name: | egp_Sizeinacresoflandacquired
Namespace Prefix: | egp_
Data Type: | num:areaItemType
Balance Type: | na
Period Type: | duration

X
- Definition Size (in square feet) of buildings to be developed + References No definition available. + Details
Name: | egp_Sizeinsquarefeetofbuildingstobedeveloped
Namespace Prefix: | egp_
Data Type: | num:areaItemType
Balance Type: | na
Period Type: | duration

X
- Definition Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event. + References No definition available. + Details
Name: | us-gaap_SubsequentEventLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | egp_AcquisitiontypeAxis=egp_DevelopmentlandMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |