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OPERATING SEGMENTS (Details 2) - USD ($)
$ in Thousands
Dec. 31, 2017
Dec. 31, 2016
Segment Reporting [Abstract]    
Segment assets $ 22,717 $ 22,717
Notes and interest receivable 14,030 23,659
Other assets and receivables 51,150 40,026
Total assets $ 87,897 $ 86,402