COMMITMENTS AND CONTINGENCIES (Details)		3 Months Ended	12 Months Ended
	Mar. 01, 2011	Mar. 31, 2016 USD ($) ppm state	Dec. 31, 2010 ppm	Dec. 31, 2015 USD ($)
Loss Contingencies [Line Items]
Percent of tax benefit received from increases in tax basis paid to stockholders		85.00%
PBF Energy [Member] | Class A Common Stock [Member]
Loss Contingencies [Line Items]
Percentage of ownership in PBF LLC		95.20%		95.10%
Environmental Issue [Member]
Loss Contingencies [Line Items]
Environmental liability		$ 12,021,000		$ 10,367,000
Discount rate used for environmental liability assessment		8.00%
Maximum amount of sulfur allowed in heating oil (in ppm) | ppm		10
Public Utilities, Description of Specific Regulatory Liabilities		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]
Maximum pre-disposal environmental obligations of Valero		$ 75,000,000
Term of insurance policies		10 years
Environmental Issue [Member] | Sunoco, Inc. [Member]
Loss Contingencies [Line Items]
Loss Contingency Accrual, Insurance-Related Assessment, Expiration Of Liability Period	20 years
Environmental Issue [Member] | New York [Member]
Loss Contingencies [Line Items]
Maximum amount of sulfur allowed in heating oil (in ppm) | ppm			15
Environmental Issue [Member] | Northeastern states [Member]
Loss Contingencies [Line Items]
Additional States Requiring Heating Oils | state		6
Chalmette Refinery [Member] | Environmental Issue [Member]
Loss Contingencies [Line Items]
Environmental Costs Recognized, Recovery Credited to Expense		$ 3,936,000
Accrual For Environmental Loss Contingencies, Expected Payment Period		30 years
Environmental Insurance Policies Coverage		$ 100,000,000