CREDIT FACILITY AND LONG-TERM DEBT (Details)										1 Months Ended			12 Months Ended
		May 31, 2017 USD ($)	Dec. 22, 2016 USD ($)	Nov. 24, 2015 USD ($)	May 12, 2015 USD ($)	May 05, 2015 USD ($)	Aug. 15, 2014 USD ($)	May 14, 2014 USD ($) renewal	Feb. 09, 2012 USD ($)	May 31, 2016 USD ($)	Dec. 31, 2014 USD ($)	Oct. 31, 2012 USD ($)	Dec. 31, 2017 USD ($)	Dec. 31, 2016 USD ($)	Dec. 31, 2015 USD ($)	Oct. 06, 2017 USD ($)	Sep. 30, 2017 USD ($)	May 30, 2017 USD ($)	Nov. 01, 2015 USD ($)
Debt Instrument [Line Items]
Marketable securities - current (PBFX: $0 and $40,024, respectively)													$ 0	$ 40,024,000
Note payable													5,621,000	0			$ 6,831,000
Less—Current maturities													10,987,000	39,664,000
Long-term Debt													2,217,114,000
Line of Credit Facility, Available Increase In Borrowing Capacity													2,750,000,000
Long-term Debt, Gross													2,220,488,000	2,180,700,000
Proceeds from Issuance of Secured Debt					$ 343,000,000
Repayments of Lines of Credit													$ 490,000,000	200,000,000	$ 170,000,000
2023 Senior Secured Notes [Member]
Debt Instrument [Line Items]
Debt fixed interest rate				7.00%
Long-term Debt				$ 500,000,000
Notes Payable, Other Payables [Member]
Debt Instrument [Line Items]
Debt Instrument, Periodic Payment Terms, Monthly Payments to be Paid																	403,000
Debt Instrument, Periodic Payment Terms, Balloon Payment to be Paid																	$ 3,200,000
2020 Senior Secured Notes [Member]
Debt Instrument [Line Items]
Debt fixed interest rate									8.30%
Long-term Debt									$ 675,500,000
2025 Senior Notes [Member]
Debt Instrument [Line Items]
Debt fixed interest rate																		7.30%
Proceeds from Debt, Net of Issuance Costs		$ 711,576,000
Redemption price as a percentage													100.00%
Long-term Debt																		$ 725,000,000
New PBFX Senior Notes [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Effective Percentage																6.442%
Revolving Loan [Member]
Debt Instrument [Line Items]
Long-term Line of Credit	[1]													350,000,000
PBFX Senior Notes [Member]
Debt Instrument [Line Items]
Debt Instrument, Face Amount													$ 525,000,000	350,000,000
Debt fixed interest rate					6.875%
PBFX Senior Notes [Member] | Initial Purchasers [Member]
Debt Instrument [Line Items]
Debt Instrument, Face Amount					$ 330,090,000
Senior Secured Notes [Member] | Management and Directors [Member]
Debt Instrument [Line Items]
Debt Instrument, Face Amount					19,910,000
Line of Credit [Member] | Revolving Loan [Member]
Debt Instrument [Line Items]
Maximum borrowing capacity							$ 2,500,000,000					$ 1,610,000,000	2,635,000,000						$ 2,600,000
Maximum borrowing capacity, as a percentage of aggregate borrowing capacity												10.00%
Alternative maximum borrowing capacity												$ 100,000,000
Effective consolidated fixed charge coverage ratio during period												1.1
Long-term Line of Credit	[1]												350,000,000	350,000,000
Line of Credit [Member] | Revolving Loan [Member] | Base Rate [Member] | Minimum [Member]
Debt Instrument [Line Items]
Basis spread on variable rate							0.50%
Line of Credit [Member] | Revolving Loan [Member] | Base Rate [Member] | Maximum [Member]
Debt Instrument [Line Items]
Basis spread on variable rate							1.25%
Line of Credit [Member] | Revolving Loan [Member] | LIBOR [Member] | Minimum [Member]
Debt Instrument [Line Items]
Basis spread on variable rate							1.50%
Line of Credit [Member] | Revolving Loan [Member] | LIBOR [Member] | Maximum [Member]
Debt Instrument [Line Items]
Basis spread on variable rate							2.25%
Line of Credit [Member] | Letter of Credit [Member]
Debt Instrument [Line Items]
Maximum borrowing capacity							$ 1,500,000,000					$ 1,000,000,000
Participation Fee, Percent							2.00%					1.25%
Fronting Fee, Percent							0.25%
Line of Credit [Member] | Standby Letters of Credit [Member]
Debt Instrument [Line Items]
Long-term Line of Credit													586,274,000	411,997,000
New PBFX Senior Notes [Member]
Debt Instrument [Line Items]
Debt Instrument, Face Amount																$ 175,000,000
Debt fixed interest rate																6.875%
Debt Instrument, Issuance Percentage Of Face Amount																102.00%
Senior Secured Notes [Member]
Debt Instrument [Line Items]
Redemption price as a percentage									100.00%
Long-term Debt	[2]												0	670,867,000
2023 Senior Secured Notes [Member]
Debt Instrument [Line Items]
Proceeds from Debt, Net of Issuance Costs				$ 490,000,000
Long-term Debt	[2],[3]												$ 500,000,000	500,000,000
Long-term Debt, Gross														500,000,000
Financing Arrangements [Member]
Debt Instrument [Line Items]
Long-term Debt, Gross														45,969,000
Financing Arrangements [Member] | Paulsboro Catalyst Lease [Member]
Debt Instrument [Line Items]
Debt fixed interest rate													2.20%
Facility fee													$ 140,000
Financing Arrangements [Member] | Toledo Catalyst Lease [Member]
Debt Instrument [Line Items]
Debt fixed interest rate													1.75%
Facility fee													$ 178,000
Financing Arrangements [Member] | Delaware City Catalyst Lease [Member]
Debt Instrument [Line Items]
Debt fixed interest rate													1.95%
Facility fee													$ 210,000
Financing Arrangements [Member] | Delaware City Catalyst Lease - Palladium [Member]
Debt Instrument [Line Items]
Debt fixed interest rate													2.05%
Facility fee													$ 30,000
Financing Arrangements [Member] | Delaware City Catalyst Lease - Short Term Bridge [Member]
Debt Instrument [Line Items]
Debt fixed interest rate													1.69%
Facility fee													$ 3,000
Financing Arrangements [Member] | Delaware City Catalyst Lease - Long Term Bridge [Member]
Debt Instrument [Line Items]
Debt fixed interest rate													1.69%
Facility fee													$ 117,000
Financing Arrangements [Member] | Chalmette Catalyst Lease [Member]
Debt Instrument [Line Items]
Debt fixed interest rate													3.85%
Facility fee													$ 185,000
Financing Arrangements [Member] | Chalmette Catalyst Lease 2019 [Member]
Debt Instrument [Line Items]
Debt fixed interest rate													2.20%
Facility fee													$ 171,000
Financing Arrangements [Member] | Torrance Catalyst Lease [Member]
Debt Instrument [Line Items]
Debt fixed interest rate													1.78%
Facility fee													$ 143,000
PBF Rail Logistics Company LLC [Member] | Notes Payable to Banks [Member]
Debt Instrument [Line Items]
Long-term Debt	[1]												28,366,000	35,000,000
Maximum borrowing capacity			$ 35,000,000
Long-term Debt, Gross														35,000,000
Debt instrument term			5 years
PBF Logistics LP [Member]
Debt Instrument [Line Items]
Debt Instrument, Face Amount, Covenant, Threshold For Higher Consolidated Total Leverage Ratio								$ 100,000,000
PBF Logistics LP [Member] | PBFX Senior Notes [Member]
Debt Instrument [Line Items]
Long-term Debt	[2]												528,374,000	350,000,000
Long-term Debt, Gross													525,000,000	350,000,000
PBF Logistics LP [Member] | Line of Credit [Member] | Revolving Loan [Member]
Debt Instrument [Line Items]
Long-term Line of Credit	[1]												29,700,000	189,200,000
Letters of Credit Outstanding, Amount													3,610,000	3,610,000
Line of Credit Facility, Current Borrowing Capacity								25,000,000
Repayments of Lines of Credit					$ 255,000,000
PBF Logistics LP [Member] | Secured Debt [Member] | Revolving Loan [Member]
Debt Instrument [Line Items]
Maximum borrowing capacity								600,000,000
Line of Credit Facility, Available Increase In Borrowing Capacity								$ 240,000,000
Debt instrument term								5 years
Line of Credit Facility, Maximum Amount Outstanding During Period								$ 275,000,000		$ 360,000,000	$ 325,000,000
Debt Instrument, Renewal Term								1 year
Debt Instrument, Number Of Renewals | renewal								2
Debt Instrument, Covenant, Consolidated Interest Leverage Ratio, Minimum								2.50
Debt Instrument, Covenant, Leverage Ratio, Maximum								4.00
Debt Instrument, Covenant, Consolidated Senior Secured Leverage Ratio, Maximum								3.50
PBF Logistics LP [Member] | Secured Debt [Member] | Revolving Loan [Member] | Minimum [Member]
Debt Instrument [Line Items]
Debt Instrument, Covenant Compliance, Consolidated Total Leverage Ratio, Step-Up Increase								0.50
PBF Logistics LP [Member] | Secured Debt [Member] | Revolving Loan [Member] | Maximum [Member]
Debt Instrument [Line Items]
Debt Instrument, Covenant Compliance, Consolidated Total Leverage Ratio, Step-Up Increase								1.00
PBF Logistics LP [Member] | Secured Debt [Member] | Revolving Loan [Member] | Base Rate [Member] | Minimum [Member]
Debt Instrument [Line Items]
Basis spread on variable rate								0.75%
PBF Logistics LP [Member] | Secured Debt [Member] | Revolving Loan [Member] | Base Rate [Member] | Maximum [Member]
Debt Instrument [Line Items]
Basis spread on variable rate								1.75%
PBF Logistics LP [Member] | Secured Debt [Member] | Revolving Loan [Member] | LIBOR [Member] | Minimum [Member]
Debt Instrument [Line Items]
Basis spread on variable rate								1.75%
PBF Logistics LP [Member] | Secured Debt [Member] | Revolving Loan [Member] | LIBOR [Member] | Maximum [Member]
Debt Instrument [Line Items]
Basis spread on variable rate								2.75%
PBF Logistics LP [Member] | Standby Letters of Credit [Member] | Revolving Loan [Member]
Debt Instrument [Line Items]
Line of Credit Facility, Current Borrowing Capacity								$ 25,000,000
PBF Logistics LP [Member] | Notes Payable to Banks [Member]
Debt Instrument [Line Items]
Long-term Debt	[1]												$ 0	39,664,000
Maximum borrowing capacity								$ 300,000,000
Long-term Debt, Gross														$ 39,664,000
Debt instrument term								3 years
PBF Logistics LP [Member] | Notes Payable to Banks [Member] | LIBOR [Member]
Debt Instrument [Line Items]
Basis spread on variable rate			2.00%
Threshold For Unsecured Notes Issued [Member] | PBF Logistics LP [Member] | Secured Debt [Member] | Revolving Loan [Member]
Debt Instrument [Line Items]
Debt Instrument, Covenant, Leverage Ratio, Maximum								4.50
Delaware City Products Pipeline and Truck Rack [Member] | PBFX Senior Notes [Member] | PBF Logistics LP [Member]
Debt Instrument [Line Items]
Net cash						$ 88,000,000
Wells Fargo Bank [Member] | Term Loan [Member] | LIBOR [Member]
Debt Instrument [Line Items]
Basis spread on variable rate								0.25%

[1] The estimated fair value approximates carrying value, categorized as a Level 2 measurement, as these borrowings bear interest based upon short-term floating market interest rates.

[2] The estimated fair value, categorized as a Level 2 measurement, was calculated based on the present value of future expected payments utilizing implied current market interest rates based on quoted prices of the Senior Notes, Senior Secured Notes and PBFX Senior Notes.

[3] As discussed in “Note 9 - Credit Facility and Debt”, these notes became unsecured following the Collateral Fall-Away Event on May 30, 2017.