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INVESTMENT IN UNCONSOLIDATED JOINT VENTURES (Hamilton Bay Apts and Sales) (Details)
1 Months Ended 12 Months Ended
Mar. 01, 2017
USD ($)
Oct. 03, 2005
USD ($)
item
Feb. 28, 2007
USD ($)
Dec. 31, 2021
USD ($)
item
Dec. 31, 2020
USD ($)
INVESTMENT IN UNCONSOLIDATED JOINT VENTURES          
Investments in joint venture       $ 1,455,888 $ 1,410,769
Outstanding amount of mortgage       $ 370,481,390 $ 283,444,533
Hamilton Bay Apts          
INVESTMENT IN UNCONSOLIDATED JOINT VENTURES          
Investments in joint venture   $ 2,500,000      
Ownership interest (as a percent)   50.00%      
Number of units | item   168      
Number of units sold | item   120   3  
Number of units retained for long-term investment | item   48      
Term of debt     10 years    
Interest rate (as a percent)     5.57%    
Period for which the entity is required to make interest only payments     5 years    
Amortization period of debt     30 years    
Number of units refinanced | item   48      
Capital contributions $ 2,222,000        
Gain on sale of assets       $ 429,000  
Purchase price of investments   $ 30,875,000      
Borrowings     $ 4,750,000    
Mortgages payable          
INVESTMENT IN UNCONSOLIDATED JOINT VENTURES          
Outstanding amount of mortgage       $ 370,481,000  
Mortgages payable | Minimum          
INVESTMENT IN UNCONSOLIDATED JOINT VENTURES          
Interest rate (as a percent)       2.97%  
Mortgages payable | Maximum          
INVESTMENT IN UNCONSOLIDATED JOINT VENTURES          
Interest rate (as a percent)       4.95%