v3.26.1
NATURE OF BUSINESS (Details)
$ / shares in Units, apartmentHome in Thousands, $ in Millions
3 Months Ended 6 Months Ended
May 11, 2026
USD ($)
unit
apartmentCommunity
asset
Dec. 22, 2025
$ / shares
Mar. 31, 2026
USD ($)
ft²
property
apartmentCommunity
apartmentHome
Sep. 30, 2026
USD ($)
agreement
Dec. 31, 2025
property
apartmentCommunity
Nov. 12, 2025
USD ($)
property
Aug. 01, 2025
USD ($)
property
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]              
Number apartment communities | apartmentCommunity         9    
Number of office properties | property         1    
Number of properties sold | property             19
Number of real estate properties | property           10  
Number of remaining properties sold | property     4        
Number of residential apartment homes | apartmentHome     1        
Area of real estate property sold | ft²     300,000        
Proceeds from sale of real estate     $ 199.0        
Liquidating distributions per share, cash paid (in dollars per share) | $ / shares   $ 14.67          
Shares of beneficial interest, par value (in dollars per share) | $ / shares   $ 0.01          
Subsequent Event | Elme Germantown              
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]              
Number of residential apartment homes | unit 218            
Proceeds from sale of real estate $ 53.7            
Subsequent Event | Forecast | Elme Watkins Mill, The Kenmore, 3801 Connecticut Avenue, And Riverside Apartments              
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]              
Proceeds from sale of real estate       $ 431.3      
Number of purchase and sale agreements | agreement       4      
Subsequent Event | Forecast | The Kenmore And 3801 Connecticut Avenue              
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]              
Number of purchase and sale agreements | agreement       2      
Washington, DC Metro Region              
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]              
Number apartment communities | apartmentCommunity     6   6    
Washington, DC Metro Region | Subsequent Event              
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]              
Number apartment communities | apartmentCommunity 5            
Washington, DC Metro Region | Subsequent Event | Forecast              
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]              
Number of assets | asset 2            
Atlanta Metro Region              
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]              
Number apartment communities | apartmentCommunity         3    
Secured Debt              
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]              
Debt instrument face amount           $ 520.0  
Disposal group              
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]              
Aggregate purchase price             $ 1,600.0