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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 |

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