SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES Change in Presentation (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Schedule of Change in Presentation [Line Items]
Operating expenses (excluding depreciation and amortization expense as reflected below)	$ 1,627,616	$ 1,390,582	$ 889,368
Depreciation and amortization expense	254,271	204,005	181,422
Cost of products and other	19,095,827	13,765,088	11,611,599
Cost of sales	20,977,714	15,359,675	12,682,389
General and administrative expenses (excluding depreciation and amortization expense as reflected below)	198,164	149,643	166,904
Depreciation and amortization expense	12,964	5,835	9,688
Equity income in investee	(14,565)	(5,679)	0
Loss (gain) on sale of assets	1,458	11,374	(1,004)
Total cost and expenses	$ 21,175,735	15,520,848	12,857,977
Scenario, Previously Reported [Member]
Schedule of Change in Presentation [Line Items]
Operating expenses (excluding depreciation and amortization expense as reflected below)		1,390,582	889,368
Depreciation and amortization expense		0	0
Cost of products and other		13,765,088	11,611,599
General and administrative expenses (excluding depreciation and amortization expense as reflected below)		149,643	166,904
Depreciation and amortization expense		209,840	191,110
Equity income in investee		(5,679)
Loss (gain) on sale of assets		11,374	(1,004)
Total cost and expenses		15,520,848	12,857,977
Scenario, Adjustment [Member]
Schedule of Change in Presentation [Line Items]
Operating expenses (excluding depreciation and amortization expense as reflected below)		0	0
Depreciation and amortization expense		204,005	181,422
Cost of products and other		0	0
General and administrative expenses (excluding depreciation and amortization expense as reflected below)		0	0
Depreciation and amortization expense		(204,005)	(181,422)
Equity income in investee		0
Loss (gain) on sale of assets		$ 0	$ 0