DESCRIPTION OF THE BUSINESS AND BASIS OF PRESENTATION (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2018 USD ($) segment	Mar. 31, 2017 USD ($)	Dec. 31, 2017
Description of Business [Line Items]
Other non-service component of net periodic benefit costs	$ 278	$ (101)
Cost of products and other	$ 5,189,606	4,251,754
Number of Reportable Segments | segment	1
Less: net (loss) income attributable to noncontrolling interests	$ (68)	113
Income tax (benefit) expense	(701)	434
Operating expenses (excluding depreciation and amortization expense as reflected below)	411,447	436,768
Depreciation and amortization expense	76,778	53,928
Cost of Revenue	5,677,831	4,742,450
General and administrative expenses (excluding depreciation and amortization expense as reflected below)	58,270	40,463
Depreciation and amortization expense	2,714	1,762
Income from equity method investee	4,022	3,599
Loss on sale of assets	79	883
Costs and Expenses	$ 5,734,872	4,781,959
PBF Energy [Member] | Class A Common Stock [Member]
Description of Business [Line Items]
Percentage of ownership in PBF LLC	97.20%		96.70%
Torrance Valley Pipeline Company [Member]
Description of Business [Line Items]
Ownership percentage	50.00%
Scenario, Previously Reported [Member]
Description of Business [Line Items]
Cost of products and other		4,251,754
Operating expenses (excluding depreciation and amortization expense as reflected below)		436,768
Depreciation and amortization expense		0
General and administrative expenses (excluding depreciation and amortization expense as reflected below)		40,463
Depreciation and amortization expense		55,690
Income from equity method investee		(3,599)
Loss on sale of assets		(883)
Costs and Expenses		4,781,959
Scenario, Adjustment [Member]
Description of Business [Line Items]
Cost of products and other		0
Operating expenses (excluding depreciation and amortization expense as reflected below)		0
Depreciation and amortization expense		53,928
General and administrative expenses (excluding depreciation and amortization expense as reflected below)		0
Depreciation and amortization expense		(53,928)
Income from equity method investee		0
Loss on sale of assets		$ 0