MARKETABLE SECURITIES (Details) - USD ($) $ in Thousands		12 Months Ended
Aug. 31, 2016	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Purchase of marketable securities		$ 1,909,965	$ 2,067,286	$ 1,918,637
Maturities of marketable securities		2,104,209	2,067,983	$ 1,683,708
Marketable securities (PBFX: $0 and $234,258, respectively)		$ 0	$ 234,258
Partnership [Member] \| PBF Logistics LP [Member]
Maturities of marketable securities	$ 76,200
Ownership interest	50.00%

Total debt and equity financial instruments including: (1) securities held-to-maturity and (2) securities available-for-sale that will be held for the long-term.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=49167202&loc=d3e26626-111562

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 10
-Section S99
-Paragraph 1
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+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 45
-Paragraph 11
-URI http://asc.fasb.org/extlink&oid=49167202&loc=d3e26853-111562

Reference 2: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
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-URI http://asc.fasb.org/extlink&oid=6516133

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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-Topic 320
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-URI http://asc.fasb.org/extlink&oid=49167202&loc=d3e26853-111562

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