SEGMENT INFORMATION (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014 reportable_segment	Jun. 30, 2013	Dec. 31, 2013
Segment Reporting Information [Line Items]
Number of reportable segments			2
Revenues	$ 5,301,709	$ 4,678,293	$ 10,048,152	$ 9,476,141
Depreciation and amortization expense	34,662	27,563	67,877	54,093
Income (loss) from operations	87,850	133,027	348,057	233,133
Interest expense, net	26,202	21,708	51,457	43,319
Capital expenditures	82,476	53,571	172,888	112,724
Assets	5,681,840		5,681,840		4,413,808
Refining Group [Member]
Segment Reporting Information [Line Items]
Plant capacity (in barrels per day)			540,000
Revenues	5,301,709	4,678,293	10,048,152	9,476,141
Depreciation and amortization expense	31,036	23,961	60,480	47,504
Income (loss) from operations	118,913	157,794	421,501	292,915
Interest expense, net	7,615	3,561	15,083	6,464
Capital expenditures	78,877	34,700	162,476	85,449
Assets	4,955,125		4,955,125		4,128,701
PBF Logistics LP [Member]
Segment Reporting Information [Line Items]
Revenues	7,782	0	7,782	0
Depreciation and amortization expense	284	286	575	450
Income (loss) from operations	4,374	(2,310)	1,914	(4,408)
Interest expense, net	360	0	360	0
Capital expenditures	2,712	4,261	4,004	10,173
Assets	348,092		348,092		29,996
Corporate Segment [Member]
Segment Reporting Information [Line Items]
Revenues	0	0	0	0
Depreciation and amortization expense	3,342	3,316	6,822	6,139
Income (loss) from operations	(35,437)	(22,457)	(75,358)	(55,374)
Interest expense, net	18,227	18,147	36,014	36,855
Capital expenditures	887	14,610	6,408	17,102
Assets	386,405		386,405		255,111
Intersegment Eliminations [Member]
Segment Reporting Information [Line Items]
Revenues	(7,782)	0	(7,782)	0
Depreciation and amortization expense	0	0	0	0
Income (loss) from operations	0	0	0	0
Interest expense, net	0	0	0	0
Capital expenditures	0	0	0	0
Assets	$ (7,782)		$ (7,782)		$ 0
Toledo Truck Unloading Terminal [Member] | PBF Logistics LP [Member]
Segment Reporting Information [Line Items]
Unloading capacity (in barrels per day)			22,500
Delaware City Rail Unloading Terminal [Member] | PBF Logistics LP [Member]
Segment Reporting Information [Line Items]
Unloading capacity (in barrels per day)			130,000