Gain on sales of land

No definition available.

Name:	egp_Gainonsalesofland
Namespace Prefix:	egp_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

The number of real estate properties that were transferred to held for sale and sold during the period.

+ References

No definition available.

+ Details

Name:	egp_NumberOfRealEstatePropertiesTransferredToHeldForSaleAndSold
Namespace Prefix:	egp_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

Number of properties classified as held for sale

+ References

No definition available.

+ Details

Name:	egp_Numberofpropertiesclassifiedasheldforsale
Namespace Prefix:	egp_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

Area of land held.

+ References

No definition available.

+ Details

Name:	us-gaap_AreaOfLand
Namespace Prefix:	us-gaap_
Data Type:	num:areaItemType
Balance Type:	na
Period Type:	instant

- Definition

Area of a real estate property.

+ References

No definition available.

+ Details

Name:	us-gaap_AreaOfRealEstateProperty
Namespace Prefix:	us-gaap_
Data Type:	num:areaItemType
Balance Type:	na
Period Type:	instant

- Definition

The difference between the carrying value and the sale price of real estate or properties that were intended to be sold or held for capital appreciation or rental income. This element refers to the gain (loss) included in earnings and not to the cash proceeds of the sale. This element is a noncash adjustment to net income when calculating net cash generated by operating activities using the indirect method.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3602-108585

+ Details

Name:	us-gaap_GainLossOnSaleOfProperties
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- 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

Name:	us-gaap_LongLivedAssetsHeldForSaleLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

The cash inflow from the sale of formerly productive land held for sale, anything permanently fixed to it, including buildings, structures on it, and so forth.

+ References

+ Details

Name:	us-gaap_ProceedsFromSaleOfPropertyHeldForSale
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The cash inflow from the sale of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 12
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3179-108585

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Investing Activities
-URI http://asc.fasb.org/extlink&oid=6516133

+ Details

Name:	us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Details

Name:	us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis=egp_NorthwestPointDistributionandServiceCentersandNorthStemmonsIIIMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis=egp_SaleofAmericaPlazaLockwoodWestLoop12NorthStemmonsIIInterstateCommons12andCastilianResearchCenterMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis=egp_AmbassadorRowWarehouseonebuildingsoldin2015Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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

- Details

Name:	us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis=us-gaap_LandMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_LongLivedAssetsHeldForSaleByAssetTypeAxis=egp_Houstonland7acresMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_LongLivedAssetsHeldForSaleByAssetTypeAxis=egp_Dallasland8acresMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_LongLivedAssetsHeldForSaleByAssetTypeAxis=egp_Houstonland4acresMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

REAL ESTATE SOLD AND HELD FOR SALE DISCONTINUED OPERATIONS (Details)	1 Months Ended	3 Months Ended
	Jul. 22, 2016 USD ($) a	Jun. 30, 2016 USD ($) ft² Sold_Properties	Mar. 31, 2016 USD ($) ft²	Jun. 30, 2015 USD ($) ft² properties	Mar. 31, 2015 USD ($)
Long Lived Assets Held-for-sale [Line Items]
Number of properties classified as held for sale \| Sold_Properties		3
Northwest Point Distribution and Service Centers and North Stemmons III [Member]
Long Lived Assets Held-for-sale [Line Items]
Square Footage of Real Estate Property \| ft²			292,000
Gain (Loss) on Sale of Properties			$ 11,332,000
Proceeds from Sale of Property, Plant, and Equipment			18,850,000
Sale of America Plaza, Lockwood, West Loop 1 & 2, North Stemmons II, Interstate Commons 1 & 2 and Castilian Research Center [Member]
Long Lived Assets Held-for-sale [Line Items]
Square Footage of Real Estate Property \| ft²		872,000
Gain (Loss) on Sale of Properties		$ 30,981,000
Proceeds from Sale of Property, Plant, and Equipment		55,210,000
Ambassador Row Warehouse (one building sold in 2015) [Member]
Long Lived Assets Held-for-sale [Line Items]
Number of real estate properties transferred to held for sale and sold \| properties				1
Square Footage of Real Estate Property \| ft²				185,000
Gain (Loss) on Sale of Properties				$ 2,903,000
Proceeds from Sale of Property, Plant, and Equipment				$ 5,250,000
Subsequent Event [Member]
Long Lived Assets Held-for-sale [Line Items]
Proceeds from Sale of Property Held-for-sale	$ 2,600,000
Land [Member]
Long Lived Assets Held-for-sale [Line Items]
Proceeds from Sale of Property, Plant, and Equipment		644,000	673,000		$ 170,000
Gain on sales of land		$ 133,000	$ 10,000		$ 123,000
Houston land (7 acres) [Member] \| Subsequent Event [Member]
Long Lived Assets Held-for-sale [Line Items]
Area of Land \| a	7
Dallas land (8 acres) [Member] \| Subsequent Event [Member]
Long Lived Assets Held-for-sale [Line Items]
Area of Land \| a	8
Houston land (4 acres) [Member] \| Subsequent Event [Member]
Long Lived Assets Held-for-sale [Line Items]
Area of Land \| a	4