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STOCKHOLDERS' AND MEMBERS' EQUITY STRUCTURE (Additional Information) (Details)
12 Months Ended
Dec. 31, 2018
USD ($)
vote / shares
shares
Aug. 19, 2014
USD ($)
Class B Common Stock [Member]    
Class of Stock [Line Items]    
Number of votes per share | vote / shares 1  
Class A Common Stock [Member]    
Class of Stock [Line Items]    
Stock Repurchase Program, Authorized Amount   $ 300,000,000
PBF LLC [Member] | Series B Units [Member]    
Class of Stock [Line Items]    
Series A Units, 1,206,325 and 3,767,464 issued and outstanding at December 31, 2018 and 2017, no par or stated value $ 0  
Number of units authorized | shares 1,000,000,000