DESCRIPTION OF THE BUSINESS AND BASIS OF PRESENTATION (Details)		12 Months Ended
	May 14, 2014 shares	Dec. 31, 2017 segment
Business Acquisition, Contingent Consideration [Line Items]
Percentage of ownership in PBF LLC		100.00%
Number of reportable segments | segment		1
PBF Energy Inc. [Member] | Class A Common Stock [Member]
Business Acquisition, Contingent Consideration [Line Items]
Percentage of ownership in PBF LLC		96.70%
PBF Logistics LP [Member] | IPO [Member] | Common Units [Member]
Business Acquisition, Contingent Consideration [Line Items]
Partners' capital account, units, sold in public offering | shares	15,812,500