COMMITMENTS AND CONTINGENCIES (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended												3 Months Ended		3 Months Ended		12 Months Ended	3 Months Ended
	Mar. 31, 2014		Mar. 25, 2014		Jan. 09, 2014		Dec. 31, 2013		Mar. 31, 2014 PBF Energy [Member] Class A Common Stock [Member]	Mar. 25, 2014 PBF Energy [Member] Class A Common Stock [Member]	Jan. 09, 2014 PBF Energy [Member] Class A Common Stock [Member]	Dec. 31, 2013 PBF Energy [Member] Class A Common Stock [Member]	Mar. 31, 2014 Environmental Issue [Member] ppm	Dec. 31, 2013 Environmental Issue [Member]	Mar. 31, 2014 Environmental Issue [Member] Valero [Member]	Mar. 31, 2014 Environmental Issue [Member] PBF Energy and Valero [Member]	Dec. 31, 2010 Environmental Issue [Member] New York [Member] ppm	Mar. 31, 2014 Environmental Issue [Member] Northeastern states [Member] ppm
Loss Contingencies [Line Items]
Environmental liability													$ 11,473	$ 9,869
Discount rate used for environmental liability assessment													8.00%
Restricted cash for environmental liabilities	13,617						12,117						12,117	12,117
Maximum pre-disposal environmental obligations of Valero															20,000
Payments to acquire environmental insurance policies																$ 75,000
Term of insurance policies																10 years
Maximum amount of sulfur allowed in heating oil (in ppm)													10				15	500
Public Utilities, Description of Specific Regulatory Liabilities													80
Percent of tax benefit received from increases in tax basis paid to stockholders	85.00%
Percentage of ownership in PBF LLC	100.00%	[1]	100.00%	[1]	100.00%	[1]	100.00%	[1]	71.90%	71.90%	56.40%	40.90%

[1] Assumes all of the holders of PBF LLC Series A Units exchange their PBF LLC Series A Units for shares of PBF Energy’s Class A common stock on a one-for-one basis.