XML 51 R40.htm IDEA: XBRL DOCUMENT v3.23.1

Segment Information - Narrative (Details)	3 Months Ended
	Mar. 31, 2023 property segment
Segment Reporting Information [Line Items]
Number of reportable segments | segment	1
Office
Segment Reporting Information [Line Items]
Number of properties that do not meet criteria for reportable segment | property	1

X

- Definition

Number Of Properties That Do Not Meet Criteria For Reportable Segment

+ References

No definition available.

+ Details

Name:	elme_NumberOfPropertiesThatDoNotMeetCriteriaForReportableSegment
Namespace Prefix:	elme_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 18
-URI https://asc.fasb.org/extlink&oid=126901519&loc=d3e8672-108599

+ Details

Name:	us-gaap_NumberOfReportableSegments
Namespace Prefix:	us-gaap_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

X

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

X

- Details

Name:	srt_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis=srt_OfficeBuildingMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: