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DESCRIPTION OF THE BUSINESS AND BASIS OF PRESENTATION (Details) | 12 Months Ended |  |  |  |  |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | ---
Dec. 31, 2020 reportable_segment shares | Dec. 31, 2019 shares | Apr. 29, 2019 | Dec. 31, 2018 shares | Aug. 14, 2018 shares | Jul. 31, 2018 | Jul. 30, 2018 | Dec. 31, 2017 shares
Description of Business [Line Items] |  |  |  |  |  |  |  |
Ownership Percentage of Equity Held | 100.00% | 100.00% |  | 100.00% | 100.00% |  |  | 100.00%
Limited Partners' Capital Account, Ownership Percentage | 100.00% | 100.00% | 100.00% | 100.00% |  | 100.00% | 100.00% | 100.00%
Number Of Reporting Segments | reportable_segment | 2 |  |  |  |  |  |  |
Shares outstanding (in shares) | 121,072,288 | 121,020,288 |  | 121,080,516 | 121,059,199 |  |  | 114,332,995
PBF Energy [Member] | Class A Common Stock [Member] |  |  |  |  |  |  |  |
Description of Business [Line Items] |  |  |  |  |  |  |  |
Ownership Percentage of Equity Held | 99.20% | 99.00% |  |  |  |  |  |
Shares outstanding (in shares) | 120,101,641 | 119,804,971 |  | 119,874,191 | 119,852,874 |  |  | 110,565,531
PBF LLC [Member] | Series C Units [Member] |  |  |  |  |  |  |  |
Description of Business [Line Items] |  |  |  |  |  |  |  |
Shares outstanding (in shares) | 120,122,872 |  |  |  |  |  |  |
PBF LLC [Member] | Series A Units [Member] |  |  |  |  |  |  |  |
Description of Business [Line Items] |  |  |  |  |  |  |  |
Ownership Percentage of Equity Held | 0.80% | 1.00% |  | 1.00% | 1.00% |  |  | 3.30%
Shares outstanding (in shares) | 970,647 | 1,215,317 |  | 1,206,325 | 1,206,325 |  |  | 3,767,464
Limited Partner [Member] | PBF LLC [Member] |  |  |  |  |  |  |  |
Description of Business [Line Items] |  |  |  |  |  |  |  |
Limited Partners' Capital Account, Ownership Percentage | 48.00% | 48.20% | 48.30% | 44.00% |  | 44.00% | 42.10% | 44.10%

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