ACQUISITIONS (Additional Information) (Details)			2 Months Ended	3 Months Ended								6 Months Ended	8 Months Ended	12 Months Ended
	Jul. 01, 2016 USD ($) refinery	Apr. 29, 2016 USD ($) terminal	Dec. 31, 2015 USD ($)	Dec. 31, 2017 USD ($)	Sep. 30, 2017 USD ($)	Jun. 30, 2017 USD ($)	Mar. 31, 2017 USD ($)	Dec. 31, 2016 USD ($)	Sep. 30, 2016 USD ($)	Jun. 30, 2016 USD ($) refinery	Mar. 31, 2016 USD ($)	Dec. 31, 2016 USD ($)	Dec. 31, 2016 USD ($)	Dec. 31, 2017 USD ($)	Dec. 31, 2016 USD ($)	Dec. 31, 2015 USD ($)	Nov. 01, 2015
Business Acquisition [Line Items]
Number Of Operating Refineries | refinery	5									4
Business Combination, Acquisition Related Costs														$ 1,021,000	$ 17,510,000	$ 5,833,000
Revenues															15,920,424,000	13,123,929,000
Net income				$ 260,386,000	$ 347,226,000	$ (104,151,000)	$ (20,030,000)	$ 71,762,000	$ 56,444,000	$ 120,648,000	$ (23,336,000)			483,431,000	225,518,000	195,533,000
Torrance Refinery [Member]
Business Acquisition [Line Items]
Purchase price after adjustments	$ 971,932,000
Cash paid	521,350,000													$ 0	$ 971,932,000	$ 0
Revenues												$ 1,977,204,000
Net income												$ 86,394,000
Preliminary estimate of payable to Seller for working capital adjustments	$ 450,582,000
Chalmette Refining L.L.C. [Member]
Business Acquisition [Line Items]
Revenues			$ 643,267
Net income			$ 53,539
Plains Asset Purchase, East Coast Terminals [Member]
Business Acquisition [Line Items]
Number Of Refined Products Terminals Acquired | terminal		4
Purchase price after adjustments		$ 98,373,000
Cash paid		$ 100,000,000
Revenues													$ 11,871
Income (Loss) Attributable to Parent													$ 1,830
Chalmette Refining L.L.C. [Member] | PBF Energy Inc. [Member]
Business Acquisition [Line Items]
Ownership interest																	100.00%