Amount of loss reclassified from accumulated other comprehensive income (loss) to interest expense

No definition available.

Name:	egp_Amountoflossreclassifiedfromaccumulatedothercomprehensiveincomelosstointerestexpense
Namespace Prefix:	egp_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Cash flow hedge amount estimated to be reclassified to interest expense in next 12 months

+ References

No definition available.

+ Details

Name:	egp_CashFlowHedgeAmountEstimatedToBeReclassifiedToInterestExpenseInNext12Months
Namespace Prefix:	egp_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Number of interest rate swaps

+ References

No definition available.

+ Details

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

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

- Definition

Nominal or face amount used to calculate payment on derivative.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 1B
-URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5580258-113959

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 1A
-Subparagraph (d)
-URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5579245-113959

+ Details

Name:	us-gaap_DerivativeNotionalAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	na
Period Type:	instant

- Definition

Fair value as of the balance sheet date of all interest rate derivative assets designated as cash flow hedging instruments.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4B
-Subparagraph (c)(1)
-URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5624163-113959

+ Details

Name:	us-gaap_InterestRateCashFlowHedgeAssetAtFairValue
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Fair value as of the balance sheet date of all interest rate derivative liabilities designated as cash flow hedging instruments.

+ References

+ Details

Name:	us-gaap_InterestRateCashFlowHedgeLiabilityAtFairValue
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount before tax of increase (decrease) in accumulated gain (loss) from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's increase (decrease) in deferred hedging gain (loss).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section 45
-Paragraph 11
-URI http://asc.fasb.org/extlink&oid=118930883&loc=d3e637-108580

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 30
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=109978405&loc=d3e80720-113993

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section 45
-Paragraph 10A
-Subparagraph (d)
-URI http://asc.fasb.org/extlink&oid=118930883&loc=SL7669646-108580

+ Details

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

- Details

Name:	us-gaap_DerivativeInstrumentRiskAxis=us-gaap_InterestRateSwapMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_HedgingDesignationAxis=us-gaap_DesignatedAsHedgingInstrumentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_BalanceSheetLocationAxis=us-gaap_OtherAssetsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_BalanceSheetLocationAxis=us-gaap_OtherLiabilitiesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	egp_InterestRateSwapIdentifierAxis=egp_A75millioninterestrateswapexecutedin2015Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	egp_InterestRateSwapIdentifierAxis=egp_A65millioninterestrateswapexecutedin2016Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	egp_InterestRateSwapIdentifierAxis=egp_A60millioninterestrateswapMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	egp_InterestRateSwapIdentifierAxis=egp_A40millioninterestrateswap2016Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	egp_InterestRateSwapIdentifierAxis=egp_A15millioninterestrateswapMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	egp_InterestRateSwapIdentifierAxis=egp_A100millioninterestrateswap2019Domain
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	egp_InterestRateSwapIdentifierAxis=egp_A100millioninterestrateswap2020Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

DERIVATIVE INSTRUMENTS AND HEDGING ACTIVITIES (Details)	3 Months Ended		9 Months Ended
DERIVATIVE INSTRUMENTS AND HEDGING ACTIVITIES (Details)	Sep. 30, 2020 USD ($) Integer	Sep. 30, 2019 USD ($)	Sep. 30, 2020 USD ($) Integer	Sep. 30, 2019 USD ($)	Dec. 31, 2019 USD ($)
Derivative [Line Items]
Number of interest rate swaps \| Integer	7		7
Interest Rate Cash Flow Hedge Assets at Fair Value	$ 0		$ 0		$ 3,485,000
Interest rate cash flow hedge liabilities at fair value	13,445,000		13,445,000		678,000
Interest Rate Swap [Member] \| Designated as Hedging Instrument [Member]
Derivative [Line Items]
Amount of Income (Loss) Recognized in Other Comprehensive Income on Derivatives	(75,000)	$ 153,000	(18,647,000)	$ (4,595,000)
Amount of (income) loss reclassified from accumulated other comprehensive income into interest expense	1,437,000	$ (409,000)	2,395,000	$ (1,728,000)
Cash flow hedge amount to be reclassified to Interest Expense in next 12 months [Line Items]	4,442,000		4,442,000
Interest Rate Swap [Member] \| Designated as Hedging Instrument [Member] \| Other Assets [Member]
Derivative [Line Items]
Interest Rate Cash Flow Hedge Assets at Fair Value	0		0		3,485,000
Interest Rate Swap [Member] \| Designated as Hedging Instrument [Member] \| Other Liabilities [Member]
Derivative [Line Items]
Interest rate cash flow hedge liabilities at fair value	13,445,000		13,445,000		678,000
Interest Rate Swap [Member] \| Designated as Hedging Instrument [Member] \| $75 million interest rate swap executed in 2015 [Member]
Derivative [Line Items]
Notional Amount of Interest Rate Derivatives	75,000,000		75,000,000		75,000,000
Interest Rate Swap [Member] \| Designated as Hedging Instrument [Member] \| $65 million interest rate swap executed in 2016 [Member]
Derivative [Line Items]
Notional Amount of Interest Rate Derivatives	65,000,000		65,000,000		65,000,000
Interest Rate Swap [Member] \| Designated as Hedging Instrument [Member] \| $60 million interest rate swap [Member]
Derivative [Line Items]
Notional Amount of Interest Rate Derivatives	60,000,000		60,000,000		60,000,000
Interest Rate Swap [Member] \| Designated as Hedging Instrument [Member] \| $40 million interest rate swap (2016) [Member]
Derivative [Line Items]
Notional Amount of Interest Rate Derivatives	40,000,000		40,000,000		40,000,000
Interest Rate Swap [Member] \| Designated as Hedging Instrument [Member] \| $15 million interest rate swap [Member]
Derivative [Line Items]
Notional Amount of Interest Rate Derivatives	15,000,000		15,000,000		15,000,000
Interest Rate Swap [Member] \| Designated as Hedging Instrument [Member] \| $100 million interest rate swap (2019) [Domain]
Derivative [Line Items]
Notional Amount of Interest Rate Derivatives	100,000,000		100,000,000		100,000,000
Interest Rate Swap [Member] \| Designated as Hedging Instrument [Member] \| $100 million interest rate swap (2020) [Member]
Derivative [Line Items]
Notional Amount of Interest Rate Derivatives	$ 100,000,000		$ 100,000,000		$ 0