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OPERATING SEGMENTS (Details 2) - USD ($)
$ in Thousands
Sep. 30, 2019
Dec. 31, 2018
Sep. 30, 2018
Real estate assets $ 379,990 $ 381,043  
Investments in unconsolidated investees 7,947 7,602  
Total notes and interest receivable 158,199 126,058  
Total assets 832,362 $ 826,149 $ 1,402,438
Operating Segments [Member]      
Real estate assets 379,990   1,049,990
Segment Reconciling Items [Member]      
Investments in unconsolidated investees 72,909   7,504
Total notes and interest receivable 158,199   124,020
Other assets $ 221,264   $ 220,924