DESCRIPTION OF THE BUSINESS AND BASIS OF PRESENTATION (Details) - segment	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Description of Business [Line Items]
Percentage of ownership in PBF LLC	100.00%
Number of Reportable Segments	1
PBF Energy [Member] | Class A Common Stock [Member]
Description of Business [Line Items]
Percentage of ownership in PBF LLC	99.20%	99.00%