CONDENSED CONSOLIDATING FINANCIAL STATEMENTS OF PBF HOLDINGS (Statement of Cash Flows) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Cash flows from operating activities:
Net income	$ 228,367	$ 53,518	$ 363,623	$ 286,268
Adjustments to reconcile net income to net cash from operating activities:
Depreciation and amortization			97,378	71,218
Stock-based compensation			3,781	2,728
Change in fair value of catalyst lease obligations			(3,988)	4,339
Non-cash change in inventory repurchase obligations			89,203	(7,973)
Non-cash lower of cost or market inventory adjustment			(127,166)
(Gain) loss on sale of assets	(632)	6	(991)	(180)
Pension and other post retirement benefit costs			12,893	10,538
Equity in earnings of subsidiaries	0	0	0	0
Changes in current assets and current liabilities:
Accounts receivable			11,042	(116,579)
Inventories			(84,619)	(249,094)
Prepaid assets and other current assets			3,874	(5,872)
Accounts payable			18,534	(63,108)
Accrued expenses			(99,392)	282,067
Deferred revenue			5,991	(1,632)
Amounts due to/from related parties			10,095	3,785
Other assets and liabilities			(4,954)	(4,068)
Net cash provided by operations			295,304	212,437
Cash flows from investing activities:
Expenditures for property, plant and equipment			(224,046)	(122,628)
Expenditures for deferred turnaround costs			(22,918)	(39,424)
Expenditures for other assets			(5,424)	(8,202)
Investment in subsidiary			0	0
Proceeds from sale of assets			138,131	37,759
Net cash used in investing activities			(114,257)	(132,495)
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				8,225
Repayments of Debt			(64,626)
Proceeds from intercompany notes payable			30,000	55,994
Distribution to members			0	(218,782)
Proceeds from Rail Facility revolver borrowings			70,750	8,225
Payment of contingent consideration related to acquisition of Toledo refinery			64,626	0
Repayments of revolver borrowings			0	(410,000)
Deferred financing costs and other				(2,643)
Net cash (used in) provided by financing activities			36,124	156,458
Net increase in cash and cash equivalents			217,171	236,400
Cash and equivalents, beginning of period			218,403	76,970
Cash and equivalents, end of period	435,574	313,370	435,574	313,370
Issuer [Member]
Cash flows from operating activities:
Net income	228,367	53,518	363,623	286,268
Adjustments to reconcile net income to net cash from operating activities:
Depreciation and amortization			9,154	10,084
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			(164,867)
(Gain) loss on sale of assets	0	0	(181)	(186)
Pension and other post retirement benefit costs			3,969	2,777
Equity in earnings of subsidiaries	213,468	246,687	531,606	551,516
Changes in current assets and current liabilities:
Accounts receivable			15,287	(69,405)
Inventories			87,556	(256,121)
Prepaid assets and other current assets			5,173	(7,076)
Accounts payable			47,715	(23,483)
Accrued expenses			(37,550)	285,388
Deferred revenue			5,991	(1,632)
Amounts due to/from related parties			(554,250)	(716,895)
Other assets and liabilities			1,155	(836)
Net cash provided by operations			314,381	60,399
Cash flows from investing activities:
Expenditures for property, plant and equipment			(166,857)	(6,588)
Expenditures for deferred turnaround costs			0	0
Expenditures for other assets			0	0
Investment in subsidiary			5,000	(7,187)
Proceeds from sale of assets			41,597	37,759
Net cash used in investing activities			(120,260)	23,984
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			30,000	55,994
Distribution to members			0	(218,782)
Proceeds from Rail Facility revolver borrowings			0
Repayments of revolver borrowings			0	(410,000)
Deferred financing costs and other				544
Net cash (used in) provided by financing activities			30,000	151,420
Net increase in cash and cash equivalents			224,121	235,803
Cash and equivalents, beginning of period			185,381	76,179
Cash and equivalents, end of period	409,502	311,982	409,502	311,982
Guarantors Subsidiaries [Member]
Cash flows from operating activities:
Net income	(201,783)	(245,848)	(560,449)	(550,677)
Adjustments to reconcile net income to net cash from operating activities:
Depreciation and amortization			86,689	60,881
Stock-based compensation			3,781	2,728
Change in fair value of catalyst lease obligations			(3,988)	4,339
Non-cash change in inventory repurchase obligations			89,203	(7,973)
Non-cash lower of cost or market inventory adjustment			37,701
(Gain) loss on sale of assets	(232)	6	(233)	6
Pension and other post retirement benefit costs			8,924	7,761
Equity in earnings of subsidiaries	0	0	0	0
Changes in current assets and current liabilities:
Accounts receivable			23,235	(47,174)
Inventories			(105,460)	7,027
Prepaid assets and other current assets			(1,299)	1,204
Accounts payable			(26,414)	(39,574)
Accrued expenses			(9,046)	(3,321)
Deferred revenue			0	0
Amounts due to/from related parties			548,558	719,419
Other assets and liabilities			(5,846)	(3,232)
Net cash provided by operations			85,356	151,414
Cash flows from investing activities:
Expenditures for property, plant and equipment			(57,189)	(103,229)
Expenditures for deferred turnaround costs			(22,918)	(39,424)
Expenditures for other assets			(5,424)	(8,202)
Investment in subsidiary			0	0
Proceeds from sale of assets			0	0
Net cash used in investing activities			(85,531)	(150,855)
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	0
Proceeds from Rail Facility revolver borrowings			0
Repayments of revolver borrowings			0	0
Deferred financing costs and other				0
Net cash (used in) provided by financing activities			0	0
Net increase in cash and cash equivalents			(175)	559
Cash and equivalents, beginning of period			704	791
Cash and equivalents, end of period	529	1,350	529	1,350
Non-Guarantor Subsidiaries [Member]
Cash flows from operating activities:
Net income	(11,685)	(839)	28,843	(839)
Adjustments to reconcile net income to net cash from operating activities:
Depreciation and amortization			1,535	253
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	(400)	0	(577)	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			(27,480)	0
Inventories			(66,715)	0
Prepaid assets and other current assets			0	(51)
Accounts payable			(3,815)	0
Accrued expenses			(52,796)	0
Deferred revenue			0	0
Amounts due to/from related parties			15,787	1,261
Other assets and liabilities			(263)	0
Net cash provided by operations			(105,481)	624
Cash flows from investing activities:
Expenditures for property, plant and equipment			0	(12,811)
Expenditures for deferred turnaround costs			0	0
Expenditures for other assets			0	0
Investment in subsidiary			0	0
Proceeds from sale of assets			96,534	0
Net cash used in investing activities			96,534	(12,811)
Proceeds from revolver borrowings				0
Proceeds from members' capital contributions			5,000	7,187
Parent Distribution			(10,000)
Cash flows from financing activities:
Proceeds from Issuance of Other Long-term Debt				8,225
Repayments of Debt			(64,626)
Proceeds from intercompany notes payable			0	0
Distribution to members			0	0
Proceeds from Rail Facility revolver borrowings			70,750
Repayments of revolver borrowings			0	0
Deferred financing costs and other				(3,187)
Net cash (used in) provided by financing activities			1,124	12,225
Net increase in cash and cash equivalents			(7,823)	38
Cash and equivalents, beginning of period			34,334	0
Cash and equivalents, end of period	26,511	38	26,511	38
Combining and Consolidated Adjustments [Member]
Cash flows from operating activities:
Net income	213,468	246,687	531,606	551,516
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	(213,468)	(246,687)	(531,606)	(551,516)
Changes in current assets and current liabilities:
Accounts receivable			0	0
Inventories			0	0
Prepaid assets and other current assets			0	51
Accounts payable			1,048	(51)
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			1,048	0
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)	7,187
Proceeds from sale of assets			0	0
Net cash used in investing activities			(5,000)	7,187
Proceeds from revolver borrowings				0
Proceeds from members' capital contributions			(5,000)	(7,187)
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	0
Proceeds from Rail Facility revolver borrowings			0
Repayments of revolver borrowings			0	0
Deferred financing costs and other				0
Net cash (used in) provided by financing activities			5,000	(7,187)
Net increase in cash and cash equivalents			1,048	0
Cash and equivalents, beginning of period			(2,016)	0
Cash and equivalents, end of period	$ (968)	$ 0	$ (968)	$ 0