Aggregate Discount On Assumed Mortgages

No definition available.

Name:	elme_AggregateDiscountOnAssumedMortgages
Namespace Prefix:	elme_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Asset Acquisition, Assets Acquired and Liabilities Assumed, Net

+ References

No definition available.

+ Details

Name:	elme_AssetAcquisitionAssetsAcquiredandLiabilitiesAssumedNet
Namespace Prefix:	elme_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Asset Acquisition, Mortgages Assumed

+ References

No definition available.

+ Details

Name:	elme_AssetAcquisitionMortgagesAssumed
Namespace Prefix:	elme_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Amount of consideration transferred in asset acquisition. Includes, but is not limited to, cash, liability incurred by acquirer, and equity interest issued by acquirer.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 805
-SubTopic 50
-Name Accounting Standards Codification
-Section 55
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479908/805-50-55-1

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 805
-SubTopic 50
-Name Accounting Standards Codification
-Section 25
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480060/805-50-25-1

Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 805
-SubTopic 50
-Name Accounting Standards Codification
-Section 30
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480027/805-50-30-1

Reference 4: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 805
-SubTopic 50
-Name Accounting Standards Codification
-Section 30
-Paragraph 2
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480027/805-50-30-2

+ Details

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

- Definition

Amount of increase in assets, excluding financial assets, lacking physical substance with a definite life, from an acquisition.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 350
-SubTopic 30
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (a)(1)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482665/350-30-50-1

+ Details

Name:	us-gaap_FinitelivedIntangibleAssetsAcquired1
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Amount of acquisition of long-lived, physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

+ References

No definition available.

+ Details

Name:	us-gaap_PropertyPlantAndEquipmentAdditions
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
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

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 976
-SubTopic 310
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482856/976-310-50-1

+ Details

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

- Details

Name:	us-gaap_AssetAcquisitionAxis=elme_AcquisitionGroup2023Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=elme_LeasingCommissionsAbsorptionCostsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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

- Details

Name:	us-gaap_PropertyPlantAndEquipmentByTypeAxis=us-gaap_BuildingAndBuildingImprovementsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_AssetAcquisitionAxis=elme_AcquisitionGroup2022Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_AssetAcquisitionAxis=elme_AcquisitionGroup2021Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Real Estate - Cost Allocation of Asset Acquisitions (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Real Estate [Line Items]
Total acquisition cost	$ 108,200	$ 283,700	$ 154,200
Outstanding balance on assumed mortgages		(76,600)
2023 Acquisitions
Real Estate [Line Items]
Aggregate discount on assumed mortgages	0
Total acquisition cost	108,190
Outstanding balance on assumed mortgages	0
Total carrying amounts recorded	108,190
2023 Acquisitions \| Absorption costs
Real Estate [Line Items]
Absorption costs	3,660
2023 Acquisitions \| Land
Real Estate [Line Items]
Property, plant and equipment	25,249
2023 Acquisitions \| Building
Real Estate [Line Items]
Property, plant and equipment	$ 79,281
2022 Acquisitions
Real Estate [Line Items]
Aggregate discount on assumed mortgages		5,042
Total acquisition cost		283,714
Outstanding balance on assumed mortgages		(76,554)
Total carrying amounts recorded		207,160
2022 Acquisitions \| Absorption costs
Real Estate [Line Items]
Absorption costs		7,300
2022 Acquisitions \| Land
Real Estate [Line Items]
Property, plant and equipment		50,547
2022 Acquisitions \| Building
Real Estate [Line Items]
Property, plant and equipment		$ 220,825
2021 Acquisitions
Real Estate [Line Items]
Aggregate discount on assumed mortgages			0
Total acquisition cost			154,240
Outstanding balance on assumed mortgages			0
Total carrying amounts recorded			154,240
2021 Acquisitions \| Absorption costs
Real Estate [Line Items]
Absorption costs			4,786
2021 Acquisitions \| Land
Real Estate [Line Items]
Property, plant and equipment			20,914
2021 Acquisitions \| Building
Real Estate [Line Items]
Property, plant and equipment			$ 128,540