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v3.20.1

DEVELOPMENT (Details) | 3 Months Ended
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Mar. 31, 2020
Development properties [Member] |
Development and Value-add [Line Items] |
Percentage of Occupation when property transfers from the development and value-add program to real estate properties | 90.00%
Length of Time After Project Completion (Developments) or Acquisition (Value-Add) When Project Transfers to Real Estate Properties | 1 year
Value-add properties [Member] |
Development and Value-add [Line Items] |
Percentage of Occupation when property transfers from the development and value-add program to real estate properties | 90.00%
Length of Time After Project Completion (Developments) or Acquisition (Value-Add) When Project Transfers to Real Estate Properties | 1 year
Development and value-add properties [Member] |
Development and Value-add [Line Items] |
Percentage of Occupation When Costs Ceased Being Capitalized | 90.00%
Length of Time After Project Completion When Development Cost Ceased Being Capitalized | 1 year

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- Definition [Line Items] for Development [Table] + References No definition available. + Details
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Namespace Prefix: | egp_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition Length of Time After Project Acquisition When Project Transfers to Real Estate Properties + References No definition available. + Details
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Namespace Prefix: | egp_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

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- Definition Length of Time (in years) After Project Completion When Costs Ceased Being Capitalized + References No definition available. + Details
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Namespace Prefix: | egp_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

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- Definition Percentage of Occupation When Costs Ceased Being Capitalized + References No definition available. + Details
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Namespace Prefix: | egp_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

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- Definition Percentage of Occupation when property transfers from the development and value-add program to real estate properties + References No definition available. + Details
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Namespace Prefix: | egp_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

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- Details
Name: | srt_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis=egp_DevelopmentpropertiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | srt_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis=egp_ValueaddpropertiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | srt_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis=egp_DevelopmentandvalueaddpropertiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |