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RELATED PARTY TRANSACTIONS (Details)
3 Months Ended 9 Months Ended
Sep. 30, 2025
USD ($)
item
Sep. 30, 2024
USD ($)
Sep. 30, 2025
USD ($)
item
Sep. 30, 2024
USD ($)
RELATED PARTY TRANSACTIONS        
Management fee $ 908,425 $ 802,908 $ 2,561,266 $ 2,374,371
Repairs and maintenance 4,587,034 3,618,610 10,927,118 9,967,034
Administrative expense $ 871,135 $ 679,674 2,160,314 $ 2,093,671
Employer contributions in 401K plan     $ 48,000  
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%   47.60%  
Brown Family | Maximum        
RELATED PARTY TRANSACTIONS        
Ownership interest (as a percent) 59.00%   59.00%  
Brown Family | Related party | Minimum        
RELATED PARTY TRANSACTIONS        
Ownership interest (as a percent) 47.60%   47.60%  
Brown Family | Related party | Maximum        
RELATED PARTY TRANSACTIONS        
Ownership interest (as a percent) 59.00%   59.00%  
NERA 40%        
RELATED PARTY TRANSACTIONS        
Ownership interest (as a percent) 40.00% 40.00% 40.00% 40.00%
NERA 50%        
RELATED PARTY TRANSACTIONS        
Ownership interest (as a percent) 50.00% 50.00% 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     $ 1,422,000 $ 798,000
Repairs and maintenance     165,000  
Administrative expense     178,000  
Expenses for construction, architectural services and supervision of capital projects     1,075,000  
Brokerage Fees     4,000  
Hamilton Company/Management Company | Related party        
RELATED PARTY TRANSACTIONS        
Management fee     2,561,000 2,374,000
Costs related to professional services     93,750 125,000
Amount received for management fees     710,000  
Payroll and related expenses     3,519,000 3,264,000
Employer contributions in 401K plan     $ 48,000  
Number of accounting staff providing bookkeeping and accounting functions | item 14   14  
Hamilton Company/Management Company | Management fee | Related party        
RELATED PARTY TRANSACTIONS        
Amount received for management fees     $ 580,000  
Hamilton Company/Management Company | Construction, architectural services and supervision of capital projects | Related party        
RELATED PARTY TRANSACTIONS        
Amount received for management fees     93,000  
Hamilton Company/Management Company | Repairs and maintenance | Related party        
RELATED PARTY TRANSACTIONS        
Amount received for management fees     27,000  
Hamilton Company/Management Company | Legal expense | Related party        
RELATED PARTY TRANSACTIONS        
Amount received for management fees     $ 10,000  
Dexter Park | Related party        
RELATED PARTY TRANSACTIONS        
Management fee (as a percent)     2.00%  
Sally Michael | Related party        
RELATED PARTY TRANSACTIONS        
Legal fees     $ 323,000 $ 117,000
David Reier | Related party        
RELATED PARTY TRANSACTIONS        
Legal fees     $ 7,400  
Current and previous management company employees | Related party        
RELATED PARTY TRANSACTIONS        
Number of employees having ownership interest in the investment properties | item     5