NONCONTROLLING INTERESTS Noncontrolling Interest (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015	Aug. 17, 2016	Apr. 05, 2016	May 15, 2015	Dec. 31, 2014
Noncontrolling Interest [Line Items]
Limited Partners' Capital Account, Ownership Percentage	100.00%	100.00%	100.00%	100.00%	100.00%	100.00%	100.00%
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest	$ 2,902,949	$ 2,570,684	$ 2,095,857				$ 1,693,316
Comprehensive income (loss) attributable to PBF Energy Inc. stockholders	(414,575)	(168,308)	(148,406)
Less: comprehensive income attributable to noncontrolling interests	67,882	54,618	49,233
Comprehensive income	482,457	222,926	197,639
Dividends and Distributions	(182,803)	(173,147)
Record tax receivable agreement	(1,139)	(2,613)
Noncontrolling Interest		138,378	0
Noncontrolling Interest, Decrease from Shares received from PBFX		22,656
Adjustments to Additional Paid in Capital, Share-based Compensation and Exercise of Stock Options	26,848	886
Record noncontrolling interest upon completion of PBFX Offering		138,378
Stock Issued During Period, Value, Stock Options Exercised	9,935	275,300
Treasury stock purchases	(1,038)	(743)	8,073
Treasury Stock, Value, Acquired, Cost Method	(1,038)
Noncontrolling Interest, Increase from Business Combination		(8,816)	(16,951)
Stockholders' Equity, Other	(1,995)
Parent [Member]
Noncontrolling Interest [Line Items]
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest	2,336,654	2,025,044	1,647,297
Comprehensive income (loss) attributable to PBF Energy Inc. stockholders	(414,575)	(168,308)
Comprehensive income	414,575	168,308	148,406
Dividends and Distributions	(131,783)	(132,705)
Record tax receivable agreement	(1,139)	(2,613)
Noncontrolling Interest		54,944
Noncontrolling Interest, Decrease from Shares received from PBFX		18,296
Adjustments to Additional Paid in Capital, Share-based Compensation and Exercise of Stock Options	21,503	1,058
Stock Issued During Period, Value, Stock Options Exercised	10,533	275,300
Treasury stock purchases		(743)
Treasury Stock, Value, Acquired, Cost Method	(1,038)
Noncontrolling Interest, Increase from Business Combination		(4,098)
Stockholders' Equity, Other	(1,041)
Noncontrolling Interest - PBF LLC [Member]
Noncontrolling Interest [Line Items]
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest	110,203	98,671	91,018
Less: comprehensive income attributable to noncontrolling interests	16,714	14,509
Dividends and Distributions	(4,584)	(6,728)
Record tax receivable agreement	0	0
Noncontrolling Interest		0
Noncontrolling Interest, Decrease from Shares received from PBFX		0
Adjustments to Additional Paid in Capital, Share-based Compensation and Exercise of Stock Options	0	(172)
Stock Issued During Period, Value, Stock Options Exercised	(598)	0
Treasury stock purchases		0
Treasury Stock, Value, Acquired, Cost Method	0
Noncontrolling Interest, Increase from Business Combination		44
Stockholders' Equity, Other	0
Noncontrolling Interest - PBF Holding [Member]
Noncontrolling Interest [Line Items]
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest	10,808	12,513	17,225
Less: comprehensive income attributable to noncontrolling interests	95	269
Dividends and Distributions	(1,800)	0
Record tax receivable agreement	0	0
Noncontrolling Interest		0
Noncontrolling Interest, Decrease from Shares received from PBFX		0
Adjustments to Additional Paid in Capital, Share-based Compensation and Exercise of Stock Options	0	0
Stock Issued During Period, Value, Stock Options Exercised	0	0
Treasury stock purchases		0
Treasury Stock, Value, Acquired, Cost Method	0
Noncontrolling Interest, Increase from Business Combination		(4,981)
Stockholders' Equity, Other	0
Noncontrolling interest - PBF Logistics LP [Member]
Noncontrolling Interest [Line Items]
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest	445,284	434,456	$ 340,317
Less: comprehensive income attributable to noncontrolling interests	51,073	39,840
Dividends and Distributions	(44,636)	(33,714)
Record tax receivable agreement	0	0
Noncontrolling Interest		83,434
Noncontrolling Interest, Decrease from Shares received from PBFX		4,360
Adjustments to Additional Paid in Capital, Share-based Compensation and Exercise of Stock Options	5,345	0
Stock Issued During Period, Value, Stock Options Exercised	0	0
Treasury stock purchases		0
Treasury Stock, Value, Acquired, Cost Method	0
Noncontrolling Interest, Increase from Business Combination		219
Stockholders' Equity, Other	$ (954)
Collins Pipeline Company And T&M Terminal Company [Member]
Noncontrolling Interest [Line Items]
Limited Partners' Capital Account, Ownership Percentage	80.00%
Noncontrolling Interest in Limited Partnerships	$ 95	$ 269