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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Impairment Assessment) (Details) - USD ($) $ in Millions | 12 Months Ended
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Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Impairment Assessment [Line Items] |  |  |
Impairment expense | $ 98.8 | $ 0.0 | $ 0.0
East Coast Refining [Member] |  |  |
Impairment Assessment [Line Items] |  |  |
Impairment expense | 91.8 |  |
PBF Logistics LP [Member] |  |  |
Impairment Assessment [Line Items] |  |  |
Impairment expense | $ 7.0 |  |

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- Definition Impairment Assessment + References No definition available. + Details
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- Definition Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3602-108585 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 45 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=109226348&loc=d3e2420-110228 + Details
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- Details
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- Details
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