INVENTORIES (Details) - USD ($)	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Inventory [Line Items]
Crude oil and feedstocks	$ 1,102,007,000	$ 1,137,605,000
Refined products and blendstocks	1,267,861,000	1,098,746,000
Warehouse stock and other	89,680,000	55,257,000
Inventory, Gross	2,459,548,000	2,291,608,000
Lower of cost or market adjustment	(595,988,000)	(1,117,336,000)	$ 690,110,000
Total inventories	1,863,560,000	1,174,272,000
Operating Income (Loss)	(387,689,000)	(265,952,000)	$ (115,149,000)
LFIO decrement	11,746,000	0
Titled Inventory [Member]
Inventory [Line Items]
Crude oil and feedstocks	1,102,007,000	1,137,605,000
Refined products and blendstocks	915,397,000	687,389,000
Warehouse stock and other	89,680,000	55,257,000
Inventory, Gross	2,107,084,000	1,880,251,000
Lower of cost or market adjustment	(492,415,000)	(966,564,000)
Total inventories	1,614,669,000	913,687,000
Inventory Supply and Offtake Arrangements [Member]
Inventory [Line Items]
Crude oil and feedstocks	0	0
Refined products and blendstocks	352,464,000	411,357,000
Warehouse stock and other	0	0
Inventory, Gross	352,464,000	411,357,000
Lower of cost or market adjustment	(103,573,000)	(150,772,000)
Total inventories	248,891,000	260,585,000
Scenario, Adjustment [Member]
Inventory [Line Items]
Operating Income (Loss)	$ (521,348,000)	$ (427,226,000)