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OPERATING SEGMENTS (Details 2) - USD ($)
$ in Thousands
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Segment Reporting Information [Line Items]      
Assets $ 853,507 $ 699,763  
Investments in unconsolidated subsidiaries and investees 8,365 4,279  
Other assets and receivables 46,163 44,111  
Total assets 1,106,508 965,498  
Total Segments [Member]      
Segment Reporting Information [Line Items]      
Assets 853,507 699,763 $ 700,294
Investments in unconsolidated subsidiaries and investees 8,365 4,279 3,789
Notes and interest receivable 120,243 134,366 136,815
Other assets and receivables 124,393 127,090 102,424
Total assets $ 1,106,508 $ 965,498 $ 943,322