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Cover - USD ($)
 12 Months Ended
Dec. 31, 2023
Feb. 13, 2024
Jun. 30, 2023
Cover [Abstract]      
Document Type 10-K    
Document Annual Report true    
Document Period End Date Dec. 31, 2023    
Current Fiscal Year End Date --12-31    
Document Transition Report false    
Entity File Number 001-06622    
Entity Registrant Name ELME COMMUNITIES    
Entity Incorporation, State or Country Code MD    
Entity Tax Identification Number 53-0261100    
Entity Address, Address Line One 7550 WISCONSIN AVE    
Entity Address, Address Line Two SUITE 900    
Entity Address, City or Town BETHESDA    
Entity Address, State or Province MD    
Entity Address, Postal Zip Code 20814    
City Area Code 202    
Local Phone Number 774-3200    
Title of 12(b) Security Shares of Beneficial Interest    
Trading Symbol ELME    
Security Exchange Name NYSE    
Entity Well-known Seasoned Issuer Yes    
Entity Voluntary Filers No    
Entity Current Reporting Status Yes    
Entity Interactive Data Current Yes    
Entity Filer Category Large Accelerated Filer    
Entity Small Business false    
Entity Emerging Growth Company false    
ICFR Auditor Attestation Flag true    
Document Financial Statement Error Correction [Flag] false    
Entity Shell Company false    
Entity Public Float     $ 1,429,202,578
Entity Common Stock, Shares Outstanding   87,867,059  
Documents Incorporated by Reference Portions of our definitive Proxy Statement relating to the 2024 Annual Meeting of Shareholders, to be filed with the Securities and Exchange Commission, are incorporated by reference in Part III, Items 10-14 of this Annual Report on Form 10-K as indicated herein.    
Entity Central Index Key 0000104894    
Document Fiscal Year Focus 2023    
Document Fiscal Period Focus FY    
Amendment Flag false