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OPERATING SEGMENTS (Details 2) - USD ($)
$ in Thousands
Sep. 30, 2017
Dec. 31, 2016
Sep. 30, 2016
Segment Reporting [Abstract]      
Segment assets $ 939,243 $ 901,006 $ 909,709
Investments in unconsolidated investees 6,335 6,087 5,152
Notes and interest receivable 102,555 126,564 115,415
Other assets 184,431   144,472
Total assets $ 1,232,564 $ 1,174,909 $ 1,174,748