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OPERATING SEGMENTS (Details 2) - USD ($)
$ in Thousands
Mar. 31, 2018
Dec. 31, 2017
Mar. 31, 2017
Real estate assets $ 22,717 $ 22,717  
Notes and interest receivable 13,568 14,030  
Total assets 88,594 87,897  
Total Segments [Member]      
Real estate assets 22,717 22,717 $ 22,717
Notes and interest receivable 13,568 22,916  
Other assets 52,309 41,516  
Total assets $ 88,594 $ 87,149