CONSOLIDATING FINANCIAL STATEMENTS OF PBF HOLDINGS (Statement of Cash Flows) (Details) - USD ($) $ in Thousands		12 Months Ended
	Nov. 01, 2015	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Cash flows from operating activities:
Net income		$ 187,294	$ 21,117	$ 238,876
Adjustments to reconcile net income to net cash from operating activities:
Depreciation and amortization		199,383	186,412	118,001
Stock-based compensation		9,218	6,095	3,753
Change in fair value of catalyst lease obligation		(10,184)	(3,969)	(4,691)
Non-cash change inventory repurchase obligations		63,389	(93,246)	(20,492)
Non-cash lower of cost or market inventory adjustment		427,226	690,110	0
Gain on disposition of property, plant and equipment		(1,004)	(895)	(183)
Pension and other post retirement benefits costs		26,982	22,600	16,728
(Gain) loss on sale of assets		(1,004)	(895)	(183)
Equity Method Investment, Controlling Interest in Income (Loss) of Subsidiary		0	0	0
Changes in current assets and current liabilities:
Accounts receivable		97,636	45,378	(92,851)
Due to/from affiliates		12,104	8,407	14,721
Inventories		(271,892)	(394,031)	45,991
Prepaid expense and other current assets		(631)	23,686	(42,455)
Accounts payable		(25,015)	(67,111)	42,236
Accrued expenses		(37,737)	59,899	214,817
Deferred revenue		2,816	(6,539)	(202,777)
Increase (Decrease) in Other Operating Assets and Liabilities, Net		(27,182)	(2,225)	(20,403)
Net cash provided by operations		652,403	495,688	311,271
Cash flow from investing activities:
Payments to acquire businesses	$ 565,083	565,304	0	0
Expenditures for property, plant and equipment		(352,365)	(470,460)	(318,394)
Payments for Deferred Turnaround Costs		(53,576)	(137,688)	(64,616)
Payments to Acquire Other Productive Assets		(8,236)	(17,255)	(32,692)
Proceeds from sale of assets		168,270	202,654	102,428
Net cash used in investing activities		(811,211)	(422,749)	(313,274)
Cash flows from financing activities:
Proceeds from revolver borrowings		170,000	395,000	1,450,000
Proceeds from intercompany notes payable		347,783	90,631	31,835
Proceeds from members' capital contributions		345,000	328,664	1,757
Distribution to members		(350,658)	(361,352)	(215,846)
Repayments of revolver borrowings		(170,000)	(410,000)	(1,435,000)
Business Combination, Payment of Contingent Consideration		0	0	(21,357)
Proceeds from Rail Facility revolver borrowings		102,075	83,095	0
Repayments of Rail Facility revolver borrowings		(71,938)	(45,825)	0
Proceeds from 2023 Senior Secured Notes		500,000	0	0
Proceeds from catalyst lease		0	0	14,337
Deferred financing costs		(17,108)	(11,719)	(1,044)
Net cash provided by (used in) financing activities		855,154	68,494	(175,318)
Net increase (decrease) in cash and cash equivalents		696,346	141,433	(177,321)
Cash and equivalents, beginning of period		218,403	76,970	254,291
Cash and equivalents, end of period		914,749	218,403	76,970
Issuer [Member]
Cash flows from operating activities:
Net income		187,942	21,117	238,876
Adjustments to reconcile net income to net cash from operating activities:
Depreciation and amortization		17,063	20,334	19,296
Stock-based compensation		0	0	0
Change in fair value of catalyst lease obligation		0	0	0
Non-cash change inventory repurchase obligations		0	0	0
Non-cash lower of cost or market inventory adjustment		279,785	566,412
Gain on disposition of property, plant and equipment		(249)	(277)	(388)
Pension and other post retirement benefits costs		7,576	6,426	4,575
(Gain) loss on sale of assets		(249)	(277)	(388)
Equity Method Investment, Controlling Interest in Income (Loss) of Subsidiary		1,154,420	1,131,321	(722,673)
Changes in current assets and current liabilities:
Accounts receivable		87,689	69,887	(281,386)
Due to/from affiliates		(1,018,176)	(1,227,851)	626,623
Inventories		(108,751)	(259,352)	(153,782)
Prepaid expense and other current assets		2,721	22,287	(40,416)
Accounts payable		(38,609)	(71,821)	109,988
Accrued expenses		27,925	(131,903)	222,194
Deferred revenue		2,816	(6,539)	7,766
Increase (Decrease) in Other Operating Assets and Liabilities, Net		(423)	(1,966)	(1,140)
Net cash provided by operations		601,729	138,075	29,533
Cash flow from investing activities:
Payments to acquire businesses		601,311
Expenditures for property, plant and equipment		(193,898)	(152,814)	(127,653)
Payments for Deferred Turnaround Costs		0	0	0
Payments to Acquire Other Productive Assets		0	0	0
Investment in subsidiary		10,000	(44,346)
Capital Contribution to Subsidiaries		(5,000)
Proceeds from sale of assets		60,902	133,845	102,428
Net cash used in investing activities		(729,307)	(63,315)	(25,225)
Cash flows from financing activities:
Proceeds from revolver borrowings		170,000	395,000	1,450,000
Proceeds from intercompany notes payable		347,783	90,631	31,835
Proceeds from members' capital contributions		345,000	328,664	0
Distribution to members		(350,658)	(361,352)	(215,846)
Repayments of revolver borrowings		(170,000)	(410,000)	(1,435,000)
Business Combination, Payment of Contingent Consideration				0
Proceeds from Rail Facility revolver borrowings		0	0
Repayments of Rail Facility revolver borrowings		0	0
Proceeds from 2023 Senior Secured Notes		500,000
Other		0
Proceeds from catalyst lease				0
Deferred financing costs		(17,108)	(8,501)	(1,044)
Net cash provided by (used in) financing activities		825,017	34,442	(170,055)
Net increase (decrease) in cash and cash equivalents		697,439	109,202	(165,747)
Cash and equivalents, beginning of period		185,381	76,179	241,926
Cash and equivalents, end of period		882,820	185,381	76,179
Guarantors Subsidiaries [Member]
Cash flows from operating activities:
Net income		(1,228,631)	(1,184,027)	722,673
Adjustments to reconcile net income to net cash from operating activities:
Depreciation and amortization		178,601	164,550	98,705
Stock-based compensation		9,218	6,095	3,753
Change in fair value of catalyst lease obligation		(10,184)	(3,969)	(4,691)
Non-cash change inventory repurchase obligations		63,389	(93,246)	(20,492)
Non-cash lower of cost or market inventory adjustment		147,441	123,698
Gain on disposition of property, plant and equipment		(105)	0	205
Pension and other post retirement benefits costs		19,406	16,174	12,153
(Gain) loss on sale of assets		(105)	0	205
Equity Method Investment, Controlling Interest in Income (Loss) of Subsidiary		0	0	0
Changes in current assets and current liabilities:
Accounts receivable		16,124	(17,976)	188,535
Due to/from affiliates		1,133,364	1,328,439	(611,902)
Inventories		(116,074)	20,711	199,773
Prepaid expense and other current assets		(2,999)	1,399	(2,039)
Accounts payable		15,710	(1,697)	(67,752)
Accrued expenses		8,172	471	(7,377)
Deferred revenue		0	0	(210,543)
Increase (Decrease) in Other Operating Assets and Liabilities, Net		(26,769)	(258)	(19,263)
Net cash provided by operations		206,663	360,364	281,738
Cash flow from investing activities:
Payments to acquire businesses		(19,042)
Expenditures for property, plant and equipment		(158,361)	(205,508)	(190,741)
Payments for Deferred Turnaround Costs		(53,576)	(137,688)	(64,616)
Payments to Acquire Other Productive Assets		(8,236)	(17,255)	(32,692)
Investment in subsidiary		0	0
Capital Contribution to Subsidiaries		0
Proceeds from sale of assets		0	0	0
Net cash used in investing activities		(201,131)	(360,451)	(288,049)
Cash flows from financing activities:
Proceeds from revolver borrowings		0	0	0
Proceeds from intercompany notes payable		0	0	0
Proceeds from members' capital contributions		0	0	1,757
Distribution to members		0	0	0
Repayments of revolver borrowings		0	0	0
Business Combination, Payment of Contingent Consideration				(21,357)
Proceeds from Rail Facility revolver borrowings		0	0
Repayments of Rail Facility revolver borrowings		0	0
Proceeds from 2023 Senior Secured Notes		0
Other		0
Proceeds from catalyst lease				14,337
Deferred financing costs		0	0	0
Net cash provided by (used in) financing activities		0	0	(5,263)
Net increase (decrease) in cash and cash equivalents		5,532	(87)	(11,574)
Cash and equivalents, beginning of period		704	791	12,365
Cash and equivalents, end of period		6,236	704	791
Non-Guarantor Subsidiaries [Member]
Cash flows from operating activities:
Net income		73,563	52,706	0
Adjustments to reconcile net income to net cash from operating activities:
Depreciation and amortization		3,719	1,528	0
Stock-based compensation		0	0	0
Change in fair value of catalyst lease obligation		0	0	0
Non-cash change inventory repurchase obligations				0
Non-cash lower of cost or market inventory adjustment		0	0
Gain on disposition of property, plant and equipment		(650)	(618)	0
Pension and other post retirement benefits costs		0	0	0
(Gain) loss on sale of assets		(650)	(618)	0
Equity Method Investment, Controlling Interest in Income (Loss) of Subsidiary		0	0	0
Changes in current assets and current liabilities:
Accounts receivable		(6,177)	(6,533)	0
Due to/from affiliates		(103,084)	(92,181)	0
Inventories		(47,067)	(155,390)	0
Prepaid expense and other current assets		(353)	0	0
Accounts payable		(857)	8,423	0
Accrued expenses		(73,834)	191,331	0
Deferred revenue		0	0	0
Increase (Decrease) in Other Operating Assets and Liabilities, Net		10	(1)	0
Net cash provided by operations		(154,730)	(735)	0
Cash flow from investing activities:
Payments to acquire businesses		(16,965)
Expenditures for property, plant and equipment		(106)	(112,138)	0
Payments for Deferred Turnaround Costs		0	0	0
Payments to Acquire Other Productive Assets		0	0	0
Investment in subsidiary		0	0
Capital Contribution to Subsidiaries		0
Proceeds from sale of assets		107,368	68,809	0
Net cash used in investing activities		124,227	(43,329)	0
Cash flows from financing activities:
Proceeds from revolver borrowings		0	0	0
Proceeds from intercompany notes payable		0	0	0
Proceeds from members' capital contributions		5,000	44,346	0
Distribution to members		0	0	0
Repayments of revolver borrowings		0	0	0
Business Combination, Payment of Contingent Consideration				0
Proceeds from Rail Facility revolver borrowings		102,075	83,095
Repayments of Rail Facility revolver borrowings		(71,938)	(45,825)
Proceeds from 2023 Senior Secured Notes		0
Other		0
Proceeds from catalyst lease				0
Deferred financing costs		0	(3,218)	0
Net cash provided by (used in) financing activities		25,137	78,398	0
Net increase (decrease) in cash and cash equivalents		(5,366)	34,334	0
Cash and equivalents, beginning of period		34,334	0	0
Cash and equivalents, end of period		28,968	34,334	0
Combining and Consolidated Adjustments [Member]
Cash flows from operating activities:
Net income		1,154,420	1,131,321	(722,673)
Adjustments to reconcile net income to net cash from operating activities:
Depreciation and amortization		0	0	0
Stock-based compensation		0	0	0
Change in fair value of catalyst lease obligation		0	0	0
Non-cash change inventory repurchase obligations				0
Non-cash lower of cost or market inventory adjustment		0	0
Gain on disposition of property, plant and equipment		0	0	0
Pension and other post retirement benefits costs		0	0	0
(Gain) loss on sale of assets		0	0	0
Equity Method Investment, Controlling Interest in Income (Loss) of Subsidiary		(1,154,420)	(1,131,321)	722,673
Changes in current assets and current liabilities:
Accounts receivable		0	0	0
Due to/from affiliates		0	0	0
Inventories		0	0	0
Prepaid expense and other current assets		0	0	0
Accounts payable		(1,259)	(2,016)	0
Accrued expenses		0	0	0
Deferred revenue		0	0	0
Increase (Decrease) in Other Operating Assets and Liabilities, Net		0	0	0
Net cash provided by operations		(1,259)	(2,016)	0
Cash flow from investing activities:
Payments to acquire businesses		0
Expenditures for property, plant and equipment		0	0	0
Payments for Deferred Turnaround Costs		0	0	0
Payments to Acquire Other Productive Assets		0	0	0
Investment in subsidiary		(10,000)	44,346
Capital Contribution to Subsidiaries		5,000
Proceeds from sale of assets		0	0	0
Net cash used in investing activities		(5,000)	44,346	0
Cash flows from financing activities:
Proceeds from revolver borrowings		0	0	0
Proceeds from intercompany notes payable		0	0	0
Proceeds from members' capital contributions		(5,000)	(44,346)	0
Distribution to members		0	0	0
Repayments of revolver borrowings		0	0	0
Business Combination, Payment of Contingent Consideration				0
Proceeds from Rail Facility revolver borrowings		0	0
Repayments of Rail Facility revolver borrowings		0	0
Proceeds from 2023 Senior Secured Notes		0
Other		0
Proceeds from catalyst lease				0
Deferred financing costs		0	0	0
Net cash provided by (used in) financing activities		5,000	(44,346)	0
Net increase (decrease) in cash and cash equivalents		(1,259)	(2,016)	0
Cash and equivalents, beginning of period		(2,016)	0	0
Cash and equivalents, end of period		(3,275)	(2,016)	0
PBF Holding [Member]
Cash flows from operating activities:
Net income		187,294	21,117
Adjustments to reconcile net income to net cash from operating activities:
Depreciation and amortization		199,383	186,412
Stock-based compensation		9,218	6,095
Change in fair value of catalyst lease obligation		(10,184)	(3,969)
Non-cash change inventory repurchase obligations		63,389	(93,246)
Non-cash lower of cost or market inventory adjustment		427,226	690,110
Gain on disposition of property, plant and equipment		(1,004)	(895)
Pension and other post retirement benefits costs		26,982	22,600
Equity Method Investment, Controlling Interest in Income (Loss) of Subsidiary		0	0
Changes in current assets and current liabilities:
Accounts receivable		97,636	45,378
Due to/from affiliates		12,104	8,407
Inventories		(271,892)	(394,031)
Prepaid expense and other current assets		(631)	23,686
Accounts payable		(25,015)	(67,111)
Accrued expenses		(37,737)	59,899
Deferred revenue		2,816	(6,539)
Increase (Decrease) in Other Operating Assets and Liabilities, Net		(27,182)	(2,225)
Net cash provided by operations		652,403	495,688
Cash flow from investing activities:
Payments to acquire businesses		565,304
Expenditures for property, plant and equipment		(352,365)	(470,460)
Payments for Deferred Turnaround Costs		(53,576)	(137,688)
Payments to Acquire Other Productive Assets		(8,236)	(17,255)
Investment in subsidiary		0	0
Capital Contribution to Subsidiaries		0
Proceeds from sale of assets		168,270	202,654
Net cash used in investing activities		(811,211)	(422,749)
Cash flows from financing activities:
Proceeds from revolver borrowings		170,000	395,000
Proceeds from intercompany notes payable		347,783	90,631
Proceeds from members' capital contributions		345,000	328,664
Distribution to members		(350,658)	(361,352)
Repayments of revolver borrowings		(170,000)	(410,000)
Proceeds from Rail Facility revolver borrowings		102,075	83,095
Repayments of Rail Facility revolver borrowings		(71,938)	(45,825)
Proceeds from 2023 Senior Secured Notes		500,000
Other		0
Deferred financing costs		(17,108)	(11,719)
Net cash provided by (used in) financing activities		855,154	68,494
Net increase (decrease) in cash and cash equivalents		696,346	141,433
Cash and equivalents, beginning of period		218,403	76,970
Cash and equivalents, end of period		$ 914,749	$ 218,403	$ 76,970