DEFERRED CHARGES AND OTHER ASSETS, NET (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]
Deferred turnaround costs, net	$ 204,987pbf_DeferredRestructuringCharges	$ 119,383pbf_DeferredRestructuringCharges
Catalyst	77,322	88,964
Deferred financing costs, net	30,128us-gaap_DeferredFinanceCostsNet	26,541us-gaap_DeferredFinanceCostsNet
Restricted cash	1,521	12,117
Linefill	10,230	9,636
Intangible assets, net	357	653
Other	5,972us-gaap_OtherAssets	5,185us-gaap_OtherAssets
Deferred charges and other assets	330,517us-gaap_DeferredCostsAndOtherAssets	262,479us-gaap_DeferredCostsAndOtherAssets
Amortization expense	65,452	32,066	27,291
Intangible Assets, Net [Abstract]
Gross amount	3,599	3,597
Accumulated amortization	(3,242)	(2,944)
Net amount	$ 357us-gaap_FiniteLivedIntangibleAssetsNet	$ 653us-gaap_FiniteLivedIntangibleAssetsNet

Capitalized cost associated with turnaround activities primarily related to maintenance.

No definition available.

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- Definition

Oil and Gas Property, Indefinite-lived Tangible Asset

+ References

No definition available.

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- Definition

Precious metals catalysts are indefinite-lived assets as they are expected not to deteriorate in their prescribed functions.

+ References

No definition available.

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- Definition

Aggregate carrying amount of deferred costs and other assets not separately disclosed.

+ References

No definition available.

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- Definition

For an unclassified balance sheet, the carrying amount (net of accumulated amortization) as of the balance sheet date of capitalized costs associated with the issuance of debt instruments (for example, legal, accounting, underwriting, printing, and registration costs) that will be charged against earnings over the life of the debt instruments to which such costs pertain.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 835

-SubTopic 30

-Section 45

-Paragraph 3

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.17)

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-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 17

-Article 5

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- Definition

The aggregate expense recognized in the current period that allocates the cost of tangible assets, intangible assets, or depleting assets to periods that benefit from use of the assets.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 28

-Subparagraph (b)

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- Definition

Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 30

-Section 50

-Paragraph 2

-Subparagraph (a)(1)

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- Definition

Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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- Definition

Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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- Definition

Sum of the carrying amounts of all intangible assets, excluding goodwill, as of the balance sheet date, net of accumulated amortization and impairment charges.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

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-Subparagraph ((a)(1),(b))

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- Definition

The aggregate carrying amounts, as of the balance sheet date, of assets not separately disclosed in the balance sheet.

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

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- Definition

The carrying amounts of cash and cash equivalent items which are restricted as to withdrawal or usage. Restrictions may include legally restricted deposits held as compensating balances against borrowing arrangements, contracts entered into with others, or entity statements of intention with regard to particular deposits; however, time deposits and short-term certificates of deposit are not generally included in legally restricted deposits. Excludes compensating balance arrangements that are not agreements which legally restrict the use of cash amounts shown on the balance sheet. This element is for unclassified presentations; for classified presentations there is a separate and distinct element.

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-Publisher SEC

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-Number 210

-Section 02

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-Publisher FASB

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-Subparagraph (SX 210.5-02.1)

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