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INVESTMENT IN UNCONSOLIDATED JOINT VENTURES (Details) - item
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Investment Properties    
INVESTMENT IN UNCONSOLIDATED JOINT VENTURES    
Number of limited partnerships and limited liability companies in which the entity has invested 7  
Number of partnerships investing in commercial property 3  
Hamilton Company/Management Company    
INVESTMENT IN UNCONSOLIDATED JOINT VENTURES    
Number of employees having ownership interest in the investment properties 5  
Minimum | Investment Properties    
INVESTMENT IN UNCONSOLIDATED JOINT VENTURES    
Ownership interest (as a percent) 40.00%  
Minimum | Harold Brown | Investment Properties    
INVESTMENT IN UNCONSOLIDATED JOINT VENTURES    
Ownership interest of related party (as a percent) 47.60%  
Maximum | Investment Properties    
INVESTMENT IN UNCONSOLIDATED JOINT VENTURES    
Ownership interest (as a percent) 50.00%  
Maximum | Harold Brown | Investment Properties    
INVESTMENT IN UNCONSOLIDATED JOINT VENTURES    
Ownership interest of related party (as a percent) 59.00% 59.00%