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OPERATING SEGMENTS (Details 2) - USD ($)
$ in Thousands
Mar. 31, 2017
Dec. 31, 2016
Mar. 31, 2016
Segment Reporting [Abstract]      
Segment assets $ 911,724 $ 901,006 $ 855,371
Investments in unconsolidated investees 6,141 6,087 5,739
Notes and interest receivable 121,696 126,564 116,237
Other assets 174,164   129,920
Total assets $ 1,213,725 $ 1,174,909 $ 1,107,267