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SEGMENT INFORMATION (Additional Segment Information) (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Segment Reporting Information [Line Items]      
Interest expense $ 10,312 $ 11,888 $ 11,152
Capital expenditures 23,252 28,769 20,885
Depreciation and amortization 48,560 38,438 30,990
Diversified      
Segment Reporting Information [Line Items]      
Interest expense 5,238 7,544 8,593
Capital expenditures 17,212 12,658 11,744
Depreciation and amortization 27,340 17,659 16,197
Energy      
Segment Reporting Information [Line Items]      
Interest expense 2,455 3,177 1,725
Capital expenditures 4,785 15,939 8,932
Depreciation and amortization 20,629 19,992 13,492
Financial services      
Segment Reporting Information [Line Items]      
Interest expense 1,450 638 496
Capital expenditures 1,153 40 57
Depreciation and amortization 170 117 125
Corporate and other      
Segment Reporting Information [Line Items]      
Interest expense 1,169 529 338
Capital expenditures 102 132 152
Depreciation and amortization $ 421 $ 670 $ 1,176