COMMITMENTS AND CONTINGENCIES (Details)			12 Months Ended
	Mar. 03, 2014 ppm	Mar. 01, 2011	Dec. 31, 2015 USD ($) ppm state	Dec. 31, 2014 USD ($)	Dec. 31, 2013 USD ($)	Dec. 31, 2010 ppm
Commitments and Contingencies Disclosure [Abstract]
Rent expense			$ 126,060,000	$ 98,473,000	$ 70,581,000
Inventory purchases			36,139,000	40,444,000	$ 38,383,000
Environmental Matters
Restricted cash for environmental liabilities			$ 1,500,000	$ 1,521,000
Percent of tax benefit received from increases in tax basis paid to stockholders			85.00%
Percentage of ownership in PBF LLC			100.00%
PBF Energy [Member] | Class A Common Stock [Member]
Environmental Matters
Percentage of ownership in PBF LLC			95.10%	89.90%
Environmental Issue [Member]
Environmental Matters
Environmental liability			$ 10,367,000	$ 10,476,000
Discount rate used for environmental liability assessment			8.00%
Undiscounted liability			$ 15,646,000
Expected future payments			$ 5,998,000
Expected payment period			5 years
Restricted cash for environmental liabilities			$ 0
Maximum amount of sulfur allowed in heating oil (in ppm) | ppm	10		80
Environmental Issue [Member] | Valero [Member]
Environmental Matters
Maximum pre-disposal environmental obligations of Valero			$ 20,000,000
Environmental Issue [Member] | PBF Energy and Valero [Member]
Environmental Matters
Term of insurance policies			10 years
Payments to acquire environmental insurance policies			$ 75,000,000
Environmental Issue [Member] | Sunoco, Inc. [Member]
Environmental Matters
Loss Contingency Accrual, Insurance-Related Assessment, Expiration Of Liability Period		20 years
Minimum [Member]
Loss Contingencies [Line Items]
Non-cancelable operating lease term			1 year
Maximum [Member]
Loss Contingencies [Line Items]
Non-cancelable operating lease term			20 years
Executive [Member] | Minimum [Member]
Employee Agreements
Potential lump sum payment as a multiple of base salary			1.5
Potential payment upon death or disability as a multiple of base salary			0.50
Executive [Member] | Maximum [Member]
Employee Agreements
Potential lump sum payment as a multiple of base salary			2.99
New York [Member] | Environmental Issue [Member]
Environmental Matters
Maximum amount of sulfur allowed in heating oil (in ppm) | ppm						15
Northeastern states [Member] | Environmental Issue [Member]
Environmental Matters
Additional States Requiring Heating Oils | state			6
Chalmette Refinery [Member] | Environmental Issue [Member]
Environmental Matters
Expected payment period			30 years
Payments to acquire environmental insurance policies			$ 100,000,000
Environmental Costs Recognized, Recovery Credited to Expense			$ 3,936,000