CONDENSED CONSOLIDATING FINANCIAL STATEMENTS OF PBF HOLDINGS (Statement of Cash Flows) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Cash flows from operating activities:
Net income	$ 48,179	$ 252,515	$ 411,803	$ 538,783
Adjustments to reconcile net income to net cash from operating activities:
Depreciation and amortization			145,975	140,863
Stock-based compensation			6,329	4,725
Change in fair value of catalyst lease obligations			(8,982)	(1,204)
Non-cash change in inventory repurchase obligations			53,370	(31,602)
Non-cash lower of cost or market inventory adjustment			81,147
(Gain) loss on sale of assets	(142)	18	(1,133)	(162)
Pension and other post retirement benefit costs			19,340	16,462
Equity in earnings of subsidiaries	0	0	0	0
Changes in current assets and current liabilities:
Accounts receivable			155,645	(101,752)
Inventories			(110,830)	(378,538)
Prepaid expense and other current assets			(22,995)	25,612
Accounts payable			(122,748)	(76,008)
Accrued expenses			(342,781)	268,649
Deferred revenue			2,947	(6,017)
Amounts due to/from related parties			12,566	3,998
Other assets and liabilities			(21,884)	(15,740)
Net cash provided by operations			257,769	388,069
Cash flows from investing activities:
Expenditures for property, plant and equipment			(287,931)	(253,454)
Expenditures for deferred turnaround costs			(39,725)	(58,423)
Expenditures for other assets			(7,275)	(13,446)
Investment in subsidiary			0	0
Proceeds from sale of assets			168,270	74,343
Net cash used in investing activities			(166,661)	(250,980)
Proceeds from revolver borrowings			0	395,000
Proceeds from members' capital contributions			0	328,664
Parent Distribution			0
Cash flows from financing activities:
Proceeds from Issuance of Other Long-term Debt				35,925
Repayments of Debt			(71,938)
Proceeds from intercompany notes payable			29,773	90,761
Distribution to members			0	(283,680)
Proceeds from Rail Facility revolver borrowings			102,075	35,925
Payment of contingent consideration related to acquisition of Toledo refinery			71,938	0
Repayments of revolver borrowings			0	(410,000)
Deferred financing costs and other				(10,382)
Net cash provided by financing activities			59,910	146,288
Net increase in cash and cash equivalents			151,018	283,377
Cash and equivalents, beginning of period			218,403	76,970
Cash and equivalents, end of period	369,421	360,347	369,421	360,347
Issuer [Member]
Cash flows from operating activities:
Net income	48,179	252,515	411,803	538,783
Adjustments to reconcile net income to net cash from operating activities:
Depreciation and amortization			13,085	15,123
Stock-based compensation			0	0
Change in fair value of catalyst lease obligations			0	0
Non-cash change in inventory repurchase obligations			0	0
Non-cash lower of cost or market inventory adjustment			(2,091)
(Gain) loss on sale of assets	(70)	0	(251)	(186)
Pension and other post retirement benefit costs			5,769	4,607
Equity in earnings of subsidiaries	262,000	259,908	793,606	811,424
Changes in current assets and current liabilities:
Accounts receivable			149,427	(69,105)
Inventories			(34,187)	(322,231)
Prepaid expense and other current assets			(17,976)	25,583
Accounts payable			(113,856)	(76,856)
Accrued expenses			(206,906)	133,070
Deferred revenue			2,947	(6,017)
Amounts due to/from related parties			(729,595)	(890,671)
Other assets and liabilities			(3,430)	(1,851)
Net cash provided by operations			268,345	161,673
Cash flows from investing activities:
Expenditures for property, plant and equipment			(188,364)	(44,993)
Expenditures for deferred turnaround costs			0	0
Expenditures for other assets			0	0
Investment in subsidiary			5,000	(22,990)
Proceeds from sale of assets			60,902	74,343
Net cash used in investing activities			(122,462)	6,360
Proceeds from revolver borrowings				395,000
Proceeds from members' capital contributions			0	328,664
Parent Distribution			0
Cash flows from financing activities:
Proceeds from Issuance of Other Long-term Debt				0
Repayments of Debt			0
Proceeds from intercompany notes payable			29,773	90,761
Distribution to members				(283,680)
Proceeds from Rail Facility revolver borrowings			0
Repayments of revolver borrowings				(410,000)
Deferred financing costs and other				(7,164)
Net cash provided by financing activities			29,773	113,581
Net increase in cash and cash equivalents			175,656	281,614
Cash and equivalents, beginning of period			185,381	76,179
Cash and equivalents, end of period	361,037	357,793	361,037	357,793
Guarantors Subsidiaries [Member]
Cash flows from operating activities:
Net income	(292,138)	(268,034)	(852,587)	(818,711)
Adjustments to reconcile net income to net cash from operating activities:
Depreciation and amortization			130,513	125,053
Stock-based compensation			6,329	4,725
Change in fair value of catalyst lease obligations			(8,982)	(1,204)
Non-cash change in inventory repurchase obligations			53,370	(31,602)
Non-cash lower of cost or market inventory adjustment			83,238
(Gain) loss on sale of assets	1	18	(232)	24
Pension and other post retirement benefit costs			13,571	11,855
Equity in earnings of subsidiaries	0	0	0	0
Changes in current assets and current liabilities:
Accounts receivable			7,589	(776)
Inventories			(54,258)	24,320
Prepaid expense and other current assets			(5,019)	29
Accounts payable			(654)	(20,905)
Accrued expenses			(27,197)	(2,376)
Deferred revenue			0	0
Amounts due to/from related parties			818,461	947,290
Other assets and liabilities			(18,276)	(13,889)
Net cash provided by operations			145,866	223,833
Cash flows from investing activities:
Expenditures for property, plant and equipment			(99,567)	(152,755)
Expenditures for deferred turnaround costs			(39,725)	(58,423)
Expenditures for other assets			(7,275)	(13,446)
Investment in subsidiary			0	0
Proceeds from sale of assets			0	0
Net cash used in investing activities			(146,567)	(224,624)
Proceeds from revolver borrowings				0
Proceeds from members' capital contributions			0	0
Parent Distribution			0
Cash flows from financing activities:
Proceeds from Issuance of Other Long-term Debt				0
Repayments of Debt			0
Proceeds from intercompany notes payable			0	0
Distribution to members				0
Proceeds from Rail Facility revolver borrowings			0
Repayments of revolver borrowings				0
Deferred financing costs and other				0
Net cash provided by financing activities			0	0
Net increase in cash and cash equivalents			(701)	(791)
Cash and equivalents, beginning of period			704	791
Cash and equivalents, end of period	3	0	3	0
Non-Guarantor Subsidiaries [Member]
Cash flows from operating activities:
Net income	30,138	8,126	58,981	7,287
Adjustments to reconcile net income to net cash from operating activities:
Depreciation and amortization			2,377	687
Stock-based compensation			0	0
Change in fair value of catalyst lease obligations			0	0
Non-cash change in inventory repurchase obligations			0	0
Non-cash lower of cost or market inventory adjustment			0
(Gain) loss on sale of assets	(73)	0	(650)	0
Pension and other post retirement benefit costs			0	0
Equity in earnings of subsidiaries	0	0	0	0
Changes in current assets and current liabilities:
Accounts receivable			(1,371)	(31,871)
Inventories			(22,385)	(80,627)
Prepaid expense and other current assets			0	0
Accounts payable			(8,404)	24,171
Accrued expenses			(108,678)	137,955
Deferred revenue			0	0
Amounts due to/from related parties			(76,300)	(52,621)
Other assets and liabilities			(178)	0
Net cash provided by operations			(156,608)	4,981
Cash flows from investing activities:
Expenditures for property, plant and equipment			0	(55,706)
Expenditures for deferred turnaround costs			0	0
Expenditures for other assets			0	0
Investment in subsidiary			0	0
Proceeds from sale of assets			107,368	0
Net cash used in investing activities			107,368	(55,706)
Proceeds from revolver borrowings				0
Proceeds from members' capital contributions			5,000	22,990
Parent Distribution			(10,000)
Cash flows from financing activities:
Proceeds from Issuance of Other Long-term Debt				35,925
Repayments of Debt			(71,938)
Proceeds from intercompany notes payable			0	0
Distribution to members				0
Proceeds from Rail Facility revolver borrowings			102,075
Repayments of revolver borrowings				0
Deferred financing costs and other				(3,218)
Net cash provided by financing activities			25,137	55,697
Net increase in cash and cash equivalents			(24,103)	4,972
Cash and equivalents, beginning of period			34,334	0
Cash and equivalents, end of period	10,231	4,972	10,231	4,972
Combining and Consolidated Adjustments [Member]
Cash flows from operating activities:
Net income	262,000	259,908	793,606	811,424
Adjustments to reconcile net income to net cash from operating activities:
Depreciation and amortization			0	0
Stock-based compensation			0	0
Change in fair value of catalyst lease obligations			0	0
Non-cash change in inventory repurchase obligations			0	0
Non-cash lower of cost or market inventory adjustment			0
(Gain) loss on sale of assets	0	0	0	0
Pension and other post retirement benefit costs			0	0
Equity in earnings of subsidiaries	(262,000)	(259,908)	(793,606)	(811,424)
Changes in current assets and current liabilities:
Accounts receivable			0	0
Inventories			0	0
Prepaid expense and other current assets			0	0
Accounts payable			166	(2,418)
Accrued expenses			0	0
Deferred revenue			0	0
Amounts due to/from related parties			0	0
Other assets and liabilities			0	0
Net cash provided by operations			166	(2,418)
Cash flows from investing activities:
Expenditures for property, plant and equipment			0	0
Expenditures for deferred turnaround costs			0	0
Expenditures for other assets			0	0
Investment in subsidiary			(5,000)	22,990
Proceeds from sale of assets			0	0
Net cash used in investing activities			(5,000)	22,990
Proceeds from revolver borrowings				0
Proceeds from members' capital contributions			(5,000)	(22,990)
Parent Distribution			10,000
Cash flows from financing activities:
Proceeds from Issuance of Other Long-term Debt				0
Repayments of Debt			0
Proceeds from intercompany notes payable			0	0
Distribution to members				0
Proceeds from Rail Facility revolver borrowings			0
Repayments of revolver borrowings				0
Deferred financing costs and other				0
Net cash provided by financing activities			5,000	(22,990)
Net increase in cash and cash equivalents			166	(2,418)
Cash and equivalents, beginning of period			(2,016)	0
Cash and equivalents, end of period	$ (1,850)	$ (2,418)	$ (1,850)	$ (2,418)