INVENTORIES (Details) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016	Mar. 31, 2017	Dec. 31, 2016	Mar. 31, 2016	Dec. 31, 2015
Inventory [Line Items]
Crude oil and feedstocks	$ 1,302,162,000		$ 1,302,162,000			$ 1,102,007,000
Refined products and blendstocks	1,409,512,000		1,409,512,000			1,267,861,000
Warehouse stock and other	97,063,000		97,063,000			89,680,000
Inventory, Gross	2,808,737,000		2,808,737,000			2,459,548,000
Lower of cost or market adjustment	(498,045,000)	$ 796,503,000	(498,045,000)	$ 796,503,000	$ (763,122,000)	(595,988,000)	$ (900,493,000)	$ 1,117,336
Inventories	2,310,692,000		2,310,692,000			1,863,560,000
Operating Income (Loss)	(550,584,000)	(101,182,000)	(376,448,000)	(280,437,000)
Net income	526,080,000	65,072,000	255,164,000	148,148,000
Titled Inventory [Member]
Inventory [Line Items]
Crude oil and feedstocks	1,302,162,000		1,302,162,000			1,102,007,000
Refined products and blendstocks	1,065,608,000		1,065,608,000			915,397,000
Warehouse stock and other	97,063,000		97,063,000			89,680,000
Inventory, Gross	2,464,833,000		2,464,833,000			2,107,084,000
Lower of cost or market adjustment	(404,227,000)		(404,227,000)			(492,415,000)
Inventories	2,060,606,000		2,060,606,000			1,614,669,000
Inventory Supply and Offtake Arrangements [Member]
Inventory [Line Items]
Crude oil and feedstocks	0		0			0
Refined products and blendstocks	343,904,000		343,904,000			352,464,000
Warehouse stock and other	0		0			0
Inventory, Gross	343,904,000		343,904,000			352,464,000
Lower of cost or market adjustment	(93,818,000)		(93,818,000)			(103,573,000)
Inventories	250,086,000		250,086,000			$ 248,891,000
Scenario, Adjustment [Member]
Inventory [Line Items]
Operating Income (Loss)	(265,077,000)	103,990,000	(97,943,000)	(320,833,000)
Net income	$ 151,095,000	$ 157,780,000	$ 167,134,000	$ 216,843,000