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OPERATING SEGMENTS (Details 2) - USD ($)
$ in Thousands
Jun. 30, 2017
Dec. 31, 2016
Jun. 30, 2016
Segment Reporting [Abstract]      
Segment assets $ 930,647 $ 901,006 $ 901,404
Investments in unconsolidated investees 6,294 6,087 5,868
Notes and interest receivable 106,874 126,564 123,854
Other assets 188,921   100,549
Total assets $ 1,232,736 $ 1,174,909 $ 1,131,675