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REAL ESTATE ACTIVITY (Details) - USD ($)
$ in Thousands
Sep. 30, 2016
Dec. 31, 2015
Real Estate [Abstract]    
Apartments $ 661,003  
Apartments under construction 52,035  
Commercial properties 217,974  
Land held for development 95,223  
Real estate subject to sales contract 49,155  
Total real estate 1,075,390  
Less accumulated depreciation (165,681)  
Total real estate $ 909,709 $ 853,507