NONCONTROLLING INTERESTS PBF LLC Noncontrolling Interest (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015	Dec. 19, 2016	Aug. 17, 2016	Apr. 05, 2016	Oct. 13, 2015	May 15, 2015	Feb. 06, 2015	Dec. 31, 2014
Noncontrolling Interest [Line Items]
Record tax receivable agreement	$ (1,139)	$ (2,613)
Limited Partners' Capital Account, Ownership Percentage	100.00%	100.00%	100.00%		100.00%	100.00%		100.00%		100.00%
Shares outstanding	114,332,995	113,124,949	102,767,291	113,124,949			102,505,208		91,134,120	91,151,815
Ownership Percentage of Equity Held	100.00%	100.00%	100.00%	100.00%			100.00%		100.00%	100.00%
Parent [Member]
Noncontrolling Interest [Line Items]
Record tax receivable agreement	$ (1,139)	$ (2,613)
Noncontrolling Interest - PBF LLC [Member]
Noncontrolling Interest [Line Items]
Record tax receivable agreement	0	0
Noncontrolling Interest - PBF Holding [Member]
Noncontrolling Interest [Line Items]
Record tax receivable agreement	0	0
Noncontrolling interest - PBF Logistics LP [Member]
Noncontrolling Interest [Line Items]
Record tax receivable agreement	$ 0	$ 0
Series A Units [Member] | PBF LLC [Member]
Noncontrolling Interest [Line Items]
Shares outstanding	3,767,464	3,920,902	4,985,358	4,120,902			5,111,358		5,366,043	9,170,696
Ownership Percentage of Equity Held	3.30%	3.50%	4.90%	3.60%			5.00%		5.90%	10.10%
Class A Common Stock [Member] | PBF Energy Inc. [Member]
Noncontrolling Interest [Line Items]
Ownership Percentage of Equity Held	96.70%	96.50%	95.10%	96.40%
Class A Common Stock [Member] | PBF Energy [Member]
Noncontrolling Interest [Line Items]
Shares outstanding	110,565,531	109,204,047	97,781,933	109,004,047			97,393,850		85,768,077	81,981,119
Ownership Percentage of Equity Held		96.50%					95.00%		94.10%	89.90%
Secondary Public Offering [Member] | Series A Units [Member] | PBF LLC [Member]
Noncontrolling Interest [Line Items]
Stock issued during period, shares			(3,804,653)