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RELATED PARTY TRANSACTIONS (Details)
3 Months Ended 12 Months Ended
Mar. 31, 2024
USD ($)
item
Mar. 31, 2023
USD ($)
Dec. 31, 2023
USD ($)
RELATED PARTY TRANSACTIONS      
Management fee $ 788,607 $ 697,764  
Repairs and maintenance 2,847,957 2,763,136  
Administrative expense 762,019 $ 737,101  
Employer contributions in 401K plan $ 16,000    
Number of limited partnerships and limited liability companies in which the entity has invested | item 7    
Brown Family | Minimum      
RELATED PARTY TRANSACTIONS      
Ownership interest (as a percent) 47.60%    
Brown Family | Maximum      
RELATED PARTY TRANSACTIONS      
Ownership interest (as a percent) 59.00%    
Brown Family | Related party | Minimum      
RELATED PARTY TRANSACTIONS      
Ownership interest (as a percent) 47.60%    
Brown Family | Related party | Maximum      
RELATED PARTY TRANSACTIONS      
Ownership interest (as a percent) 59.00%    
NERA 40%      
RELATED PARTY TRANSACTIONS      
Ownership interest (as a percent) 40.00% 40.00%  
NERA 50%      
RELATED PARTY TRANSACTIONS      
Ownership interest (as a percent) 50.00% 50.00%  
Majority of Partnership Properties | Related party      
RELATED PARTY TRANSACTIONS      
Management fee as percentage of gross receipts rental revenue 4.00%    
Management fee (as a percent) 4.00%    
Linewt | Related party      
RELATED PARTY TRANSACTIONS      
Management fee as percentage of gross receipts rental revenue 3.00%    
General Partner or Management Company | Related party      
RELATED PARTY TRANSACTIONS      
Costs related to professional services $ 206,000 $ 493,000  
Repairs and maintenance 22,000    
Administrative expense 79,000    
Expenses for construction, architectural services and supervision of capital projects 105,000    
Hamilton Company/Management Company | Related party      
RELATED PARTY TRANSACTIONS      
Management fee 789,000 698,000  
Costs related to professional services 31,250   $ 125,000
Amount received for management fees 213,000    
Payroll and related expenses 1,100,000 1,114,000  
Employer contributions in 401K plan $ 16,000 16,000  
Number of accounting staff providing bookkeeping and accounting functions | item 14    
Hamilton Company/Management Company | Management fee | Related party      
RELATED PARTY TRANSACTIONS      
Amount received for management fees $ 188,000    
Hamilton Company/Management Company | Construction, architectural services and supervision of capital projects | Related party      
RELATED PARTY TRANSACTIONS      
Amount received for management fees 18,000    
Hamilton Company/Management Company | Repairs and maintenance | Related party      
RELATED PARTY TRANSACTIONS      
Amount received for management fees 2,000    
Hamilton Company/Management Company | Legal expense | Related party      
RELATED PARTY TRANSACTIONS      
Amount received for management fees $ 5,000    
Dexter Park | Related party      
RELATED PARTY TRANSACTIONS      
Management fee (as a percent) 2.00%    
Sally Michael | Related party      
RELATED PARTY TRANSACTIONS      
Legal fees $ 46,000 $ 37,000  
Current and previous management company employees | Related party      
RELATED PARTY TRANSACTIONS      
Number of employees having ownership interest in the investment properties | item 5