SUBSEQUENT EVENTS (Details) - USD ($)	May 03, 2018	May 02, 2018	Mar. 31, 2018	Dec. 31, 2017	Aug. 15, 2014
PBF Energy [Member] | Subsequent Event [Member] | Class A Common Stock [Member]
Subsequent Event [Line Items]
Dividends declared per share	$ 0.3
Revolving Credit Facility [Member] | Line of Credit [Member]
Subsequent Event [Line Items]
Long-term Line of Credit			$ 350,000,000	$ 350,000,000
Maximum [Member] | Revolving Credit Facility [Member] | Line of Credit [Member]
Subsequent Event [Line Items]
Long-term Line of Credit					$ 2,635,000,000
Maximum [Member] | Revolving Credit Facility [Member] | Line of Credit [Member] | Subsequent Event [Member]
Subsequent Event [Line Items]
Long-term Line of Credit		$ 3,400,000,000
Maximum [Member] | Revolving Credit Facility [Member] | Accordion Feature [Member] | Subsequent Event [Member]
Subsequent Event [Line Items]
Long-term Line of Credit		$ 3,500,000,000