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OPERATING SEGMENTS (Details 2) - USD ($)
$ in Thousands
Sep. 30, 2016
Dec. 31, 2015
Sep. 30, 2015
Segment Reporting Information [Line Items]      
Real estate assets $ 909,709 $ 853,507  
Investments in unconsolidated investees 6,024 8,365  
Other assets 49,388 46,163  
Total assets 1,139,396 $ 1,117,368  
Total Segments [Member]      
Segment Reporting Information [Line Items]      
Real estate assets 909,709   $ 822,072
Investments in unconsolidated investees 6,024   5,152
Notes and interest receivable 119,074   115,415
Other assets 104,589   144,472
Total assets $ 1,139,396   $ 1,087,111