COMMITMENTS AND CONTINGENCIES (Details)		9 Months Ended	12 Months Ended
	Mar. 03, 2014 ppm	Sep. 30, 2015 USD ($) ppm	Dec. 31, 2010 ppm	Feb. 06, 2015	Dec. 31, 2014 USD ($)
Loss Contingencies [Line Items]
Percent of tax benefit received from increases in tax basis paid to stockholders		85.00%
Percentage of ownership in PBF LLC		100.00%		100.00%	100.00%
Recognized liability for the tax receivable agreement		$ 735,376,000			$ 712,727,000
PBF Energy [Member] | Class A Common Stock [Member]
Loss Contingencies [Line Items]
Percentage of ownership in PBF LLC		94.40%		94.10%	89.90%
Environmental Issue [Member]
Loss Contingencies [Line Items]
Environmental liability		$ 10,714,000			$ 10,476,000
Discount rate used for environmental liability assessment		8.00%
Maximum amount of sulfur allowed in heating oil (in ppm) | ppm	10	80
Environmental Issue [Member] | Valero [Member]
Loss Contingencies [Line Items]
Maximum pre-disposal environmental obligations of Valero		$ 20,000,000
Environmental Issue [Member] | PBF Energy and Valero [Member]
Loss Contingencies [Line Items]
Term of insurance policies		10 years
Maximum pre-disposal environmental obligations of Valero		$ 75,000,000
Environmental Issue [Member] | New York [Member]
Loss Contingencies [Line Items]
Maximum amount of sulfur allowed in heating oil (in ppm) | ppm			15