RELATED PARTY TRANSACTIONS (Contribution Agreements) (Details) - USD ($) $ in Millions		May 31, 2019	May 30, 2019	Apr. 24, 2019
Torrance Valley Pipeline Company LLC [Member] | TVP Holding [Member]
Related Party Transaction [Line Items]
Percentage of ownership in subsidiaries	[1]		50.00%
Torrance Valley Pipeline Company LLC [Member] | PBF Logistics LP [Member]
Related Party Transaction [Line Items]
Percentage of ownership in subsidiaries		100.00%
PBF Logistics LP [Member] | Torrance Valley Pipeline Company LLC [Member]
Related Party Transaction [Line Items]
Related Party, Distribution of Property				$ 200.0

[1] On April 24, 2019, PBFX entered into a contribution agreement with PBF LLC, pursuant to which the Company contributed to PBF LLC, which in turn contributed to PBFX, all of the issued and outstanding limited liability company interests of TVP Holding Company LLC (“TVP Holding”) for total consideration of $200.0 million (the “TVPC Acquisition”). Prior to the TVPC Acquisition, TVP Holding (then a subsidiary of PBF Holding) owned a 50% equity interest in Torrance Valley Pipeline Company LLC (“TVPC”). Subsequent to the closing of the TVPC Acquisition on May 31, 2019, PBFX owns 100% of the equity interest in TVPC.