CONDENSED CONSOLIDATING FINANCIAL STATEMENTS OF PBF HOLDINGS (Statement of Cash Flows) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Condensed Financial Statements, Captions [Line Items]
Proceeds from catalyst lease			$ 0	$ 7,927
Cash flows from operating activities:
Net income	$ 526,080	$ 65,072	255,164	148,148
Adjustments to reconcile net income to net cash from operating activities:
Depreciation and amortization			197,365	162,565
Stock-based compensation			13,549	12,658
Change in fair value of catalyst leases			1,011	4,556
Deferred income taxes	(4,482)	1,902	641	27,813
Change in Non-cash Lower of Cost or Market Adjustment			(97,943)	(320,833)
Non-cash change in inventory repurchase obligations			(26,659)	29,317
Debt extinguishment costs	0	0	25,451	0
Pension and other post-retirement benefit costs			31,682	25,894
Income (Loss) from Equity Method Investments, Net of Dividends or Distributions			(11,218)	(1,621)
Distributions from equity method investee			16,897	0
Gain (Loss) on Disposition of Property Plant Equipment			940	11,381
Equity in earnings of subsidiaries	0	0	0	0
Changes in operating assets and liabilities:
Accounts receivable			(159,026)	(194,898)
Due to/from affiliates			(2,318)	8,194
Inventories			(349,189)	54,052
Prepaid expense and other current assets			(4,107)	(20,203)
Accounts payable			(103,069)	50,297
Accrued expenses			401,674	308,047
Deferred revenue			(9,044)	8,029
Other assets and liabilities			(57,387)	(21,880)
Net cash (used in) provided by operations			124,414	291,516
Acquisition of Torrance refinery and related logistics assets			0	(971,932)
Cash flows from investing activities:
Expenditures for property, plant and equipment			(211,224)	(187,743)
Expenditures for deferred turnaround costs			(341,598)	(138,936)
Expenditures for other assets			(31,096)	(27,735)
Investment in subsidiary				0
Chalmette Acquisition working capital settlement			0	2,659
Equity method investment - return of capital			451	0
Proceeds from sale of assets			0	13,030
Net cash used in investing activities			(583,467)	(1,315,975)
Cash flows from financing activities:
Parent Distribution				0
Distribution to members			(39,315)	(92,503)
Proceeds from members' capital contributions			(97,000)	(175,000)
Proceeds from affiliate notes payable			0	635
Repayment of affiliate notes payable			0	(517)
Proceeds from revolver borrowings			490,000	550,000
Repayments of Lines of Credit			490,000	0
Payment of Financing and Stock Issuance Costs			13,424
Net cash provided by (used in) financing activities			74,093	629,085
Net (decrease) increase in cash and cash equivalents			(384,960)	(395,374)
Cash and equivalents, beginning of period			626,705	914,749
Cash and equivalents, end of period	241,745	519,375	241,745	519,375
Issuer [Member]
Condensed Financial Statements, Captions [Line Items]
Proceeds from catalyst lease				0
Cash flows from operating activities:
Net income	526,080	65,071	255,164	148,148
Adjustments to reconcile net income to net cash from operating activities:
Depreciation and amortization			15,746	10,828
Stock-based compensation			0	0
Change in fair value of catalyst leases			0	0
Deferred income taxes			0	0
Change in Non-cash Lower of Cost or Market Adjustment			(97,943)	(320,833)
Non-cash change in inventory repurchase obligations			(26,659)	29,317
Debt extinguishment costs	0		25,451
Pension and other post-retirement benefit costs			4,956	5,249
Income (Loss) from Equity Method Investments, Net of Dividends or Distributions				0
Distributions from equity method investee			0
Gain (Loss) on Disposition of Property Plant Equipment			0	2,418
Equity in earnings of subsidiaries	(319,568)	(438,249)	(1,022,866)	(1,123,054)
Changes in operating assets and liabilities:
Accounts receivable			(119,813)	(205,816)
Due to/from affiliates			(1,494,632)	(1,624,741)
Inventories			(286,677)	56,792
Prepaid expense and other current assets			4,200	(6,330)
Accounts payable			(50,102)	37,074
Accrued expenses			365,132	661,974
Deferred revenue			(7,687)	6,559
Other assets and liabilities			(14,472)	(7,573)
Net cash (used in) provided by operations			(404,470)	(83,880)
Acquisition of Torrance refinery and related logistics assets				(971,932)
Cash flows from investing activities:
Expenditures for property, plant and equipment			(847)	(16,244)
Expenditures for deferred turnaround costs			0	0
Expenditures for other assets			0	0
Investment in subsidiary				(12,800)
Chalmette Acquisition working capital settlement				0
Equity method investment - return of capital			0
Increase (Decrease) Due from Other Related Parties			(3,684)
Proceeds from sale of assets				0
Net cash used in investing activities			(4,531)	(975,376)
Cash flows from financing activities:
Parent Distribution				0
Distribution to members			(39,315)	(92,503)
Proceeds from members' capital contributions			(97,000)	(175,000)
Proceeds from affiliate notes payable				635
Repayment of affiliate notes payable				(517)
Proceeds from revolver borrowings			490,000	550,000
Repayments of Lines of Credit			490,000
Increase (Decrease) in Due to Other Related Parties			0
Payment of Financing and Stock Issuance Costs			13,424
Net cash provided by (used in) financing activities			79,052	632,615
Net (decrease) increase in cash and cash equivalents			(329,949)	(426,641)
Cash and equivalents, beginning of period			530,085	882,820
Cash and equivalents, end of period	200,136	456,179	200,136	456,179
Guarantor Subsidiaries [Member]
Condensed Financial Statements, Captions [Line Items]
Proceeds from catalyst lease				7,927
Cash flows from operating activities:
Net income	(313,171)	(425,020)	(1,022,791)	(1,064,415)
Adjustments to reconcile net income to net cash from operating activities:
Depreciation and amortization			175,859	144,011
Stock-based compensation			13,549	12,658
Change in fair value of catalyst leases			1,011	4,556
Deferred income taxes			0	0
Change in Non-cash Lower of Cost or Market Adjustment			0	0
Non-cash change in inventory repurchase obligations			0	0
Debt extinguishment costs	0		0
Pension and other post-retirement benefit costs			26,726	20,645
Income (Loss) from Equity Method Investments, Net of Dividends or Distributions			0	0
Distributions from equity method investee			0
Gain (Loss) on Disposition of Property Plant Equipment			940	97
Equity in earnings of subsidiaries	2,467	0	5,802	0
Changes in operating assets and liabilities:
Accounts receivable			(1,782)	3,695
Due to/from affiliates			1,451,846	1,588,690
Inventories			0	0
Prepaid expense and other current assets			(8,467)	(11,768)
Accounts payable			(58,691)	16,943
Accrued expenses			(13,352)	(353,030)
Deferred revenue			(1,364)	0
Other assets and liabilities			(26,189)	(14,210)
Net cash (used in) provided by operations			531,493	347,872
Acquisition of Torrance refinery and related logistics assets				0
Cash flows from investing activities:
Expenditures for property, plant and equipment			(210,076)	(172,174)
Expenditures for deferred turnaround costs			(341,598)	(138,936)
Expenditures for other assets			(31,096)	(27,735)
Investment in subsidiary				0
Chalmette Acquisition working capital settlement				2,659
Equity method investment - return of capital			0
Increase (Decrease) Due from Other Related Parties			0
Proceeds from sale of assets				0
Net cash used in investing activities			(582,770)	(341,504)
Cash flows from financing activities:
Parent Distribution				0
Distribution to members			0	0
Proceeds from members' capital contributions			0	0
Proceeds from affiliate notes payable				0
Repayment of affiliate notes payable				0
Proceeds from revolver borrowings			0	0
Repayments of Lines of Credit			0
Increase (Decrease) in Due to Other Related Parties			(3,684)
Payment of Financing and Stock Issuance Costs			0
Net cash provided by (used in) financing activities			3,684	7,927
Net (decrease) increase in cash and cash equivalents			(47,593)	14,295
Cash and equivalents, beginning of period			56,717	6,236
Cash and equivalents, end of period	9,124	20,531	9,124	20,531
Non-Guarantor Subsidiaries [Member]
Condensed Financial Statements, Captions [Line Items]
Proceeds from catalyst lease				0
Cash flows from operating activities:
Net income	(3,930)	(13,228)	5,727	(58,639)
Adjustments to reconcile net income to net cash from operating activities:
Depreciation and amortization			5,760	7,726
Stock-based compensation			0	0
Change in fair value of catalyst leases			0	0
Deferred income taxes			641	27,813
Change in Non-cash Lower of Cost or Market Adjustment			0	0
Non-cash change in inventory repurchase obligations			0	0
Debt extinguishment costs	0		0
Pension and other post-retirement benefit costs			0	0
Income (Loss) from Equity Method Investments, Net of Dividends or Distributions			(11,218)	(1,621)
Distributions from equity method investee			16,897
Gain (Loss) on Disposition of Property Plant Equipment			0	8,866
Equity in earnings of subsidiaries	0	0	0	0
Changes in operating assets and liabilities:
Accounts receivable			(37,431)	7,223
Due to/from affiliates			40,468	44,245
Inventories			(62,512)	(2,740)
Prepaid expense and other current assets			160	(2,105)
Accounts payable			4,261	(5,126)
Accrued expenses			49,894	(897)
Deferred revenue			7	1,470
Other assets and liabilities			(16,726)	(97)
Net cash (used in) provided by operations			(4,072)	26,118
Acquisition of Torrance refinery and related logistics assets				0
Cash flows from investing activities:
Expenditures for property, plant and equipment			(301)	675
Expenditures for deferred turnaround costs			0	0
Expenditures for other assets			0	0
Investment in subsidiary				0
Chalmette Acquisition working capital settlement				0
Equity method investment - return of capital			451
Increase (Decrease) Due from Other Related Parties			0
Proceeds from sale of assets				13,030
Net cash used in investing activities			150	13,705
Cash flows from financing activities:
Parent Distribution				12,800
Distribution to members			0	0
Proceeds from members' capital contributions			0	0
Proceeds from affiliate notes payable				0
Repayment of affiliate notes payable				0
Proceeds from revolver borrowings			0	0
Repayments of Lines of Credit			0
Increase (Decrease) in Due to Other Related Parties			0
Payment of Financing and Stock Issuance Costs			0
Net cash provided by (used in) financing activities			(4,959)	(24,257)
Net (decrease) increase in cash and cash equivalents			(8,881)	15,566
Cash and equivalents, beginning of period			41,366	28,968
Cash and equivalents, end of period	32,485	44,534	32,485	44,534
PBF Holding Company LLC [Member]
Cash flows from investing activities:
Increase (Decrease) Due from Other Related Parties			0
Cash flows from financing activities:
Increase (Decrease) in Due to Other Related Parties			0
Consolidation, Eliminations [Member]
Condensed Financial Statements, Captions [Line Items]
Proceeds from catalyst lease				0
Cash flows from operating activities:
Net income	317,101	438,249	1,017,064	1,123,054
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 leases			0	0
Deferred income taxes			0	0
Change in Non-cash Lower of Cost or Market Adjustment			0	0
Non-cash change in inventory repurchase obligations			0	0
Debt extinguishment costs	0		0
Pension and other post-retirement benefit costs			0	0
Income (Loss) from Equity Method Investments, Net of Dividends or Distributions			0	0
Distributions from equity method investee			0
Gain (Loss) on Disposition of Property Plant Equipment			0	0
Equity in earnings of subsidiaries	317,101	438,249	1,017,064	1,123,054
Changes in operating assets and liabilities:
Accounts receivable			0	0
Due to/from affiliates			0	0
Inventories			0	0
Prepaid expense and other current assets			0	0
Accounts payable			1,463	1,406
Accrued expenses			0	0
Deferred revenue			0	0
Other assets and liabilities			0	0
Net cash (used in) provided by operations			1,463	1,406
Acquisition of Torrance refinery and related logistics assets				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				12,800
Chalmette Acquisition working capital settlement				0
Equity method investment - return of capital			0
Increase (Decrease) Due from Other Related Parties			3,684
Proceeds from sale of assets				0
Net cash used in investing activities			3,684	(12,800)
Cash flows from financing activities:
Parent Distribution				(12,800)
Distribution to members			0	0
Proceeds from members' capital contributions			0	0
Proceeds from affiliate notes payable				0
Repayment of affiliate notes payable				0
Proceeds from revolver borrowings			0	0
Repayments of Lines of Credit			0
Increase (Decrease) in Due to Other Related Parties			3,684
Payment of Financing and Stock Issuance Costs			0
Net cash provided by (used in) financing activities			(3,684)	12,800
Net (decrease) increase in cash and cash equivalents			1,463	1,406
Cash and equivalents, beginning of period			(1,463)	(3,275)
Cash and equivalents, end of period	$ 0	$ (1,869)	0	(1,869)
Rail Facility [Member]
Cash flows from financing activities:
Repayments of Lines of Credit			0	11,457
Rail Facility [Member] | Issuer [Member]
Cash flows from financing activities:
Repayments of Lines of Credit				0
Rail Facility [Member] | Guarantor Subsidiaries [Member]
Cash flows from financing activities:
Repayments of Lines of Credit				0
Rail Facility [Member] | Non-Guarantor Subsidiaries [Member]
Cash flows from financing activities:
Repayments of Lines of Credit				11,457
Rail Facility [Member] | Consolidation, Eliminations [Member]
Cash flows from financing activities:
Repayments of Lines of Credit				0
2025 Senior Notes [Member]
Cash flows from financing activities:
Proceeds from Issuance of Debt			725,000
2025 Senior Notes [Member] | Issuer [Member]
Cash flows from financing activities:
Proceeds from Issuance of Debt			725,000
2025 Senior Notes [Member] | Guarantor Subsidiaries [Member]
Cash flows from financing activities:
Proceeds from Issuance of Debt			0
2025 Senior Notes [Member] | Non-Guarantor Subsidiaries [Member]
Cash flows from financing activities:
Proceeds from Issuance of Debt			0
2025 Senior Notes [Member] | Consolidation, Eliminations [Member]
Cash flows from financing activities:
Proceeds from Issuance of Debt			0
2020 Senior Secured Notes [Member]
Cash flows from financing activities:
Repayments of Long-term Debt			690,209	0
2020 Senior Secured Notes [Member] | Issuer [Member]
Cash flows from financing activities:
Repayments of Long-term Debt			690,209
2020 Senior Secured Notes [Member] | Guarantor Subsidiaries [Member]
Cash flows from financing activities:
Repayments of Long-term Debt			0
2020 Senior Secured Notes [Member] | Non-Guarantor Subsidiaries [Member]
Cash flows from financing activities:
Repayments of Long-term Debt			0
2020 Senior Secured Notes [Member] | Consolidation, Eliminations [Member]
Cash flows from financing activities:
Repayments of Long-term Debt			0
Rail Term Loan [Member]
Cash flows from financing activities:
Repayments of Long-term Debt			4,959	$ 0
Repayments of Debt			(4,959)
Rail Term Loan [Member] | Issuer [Member]
Cash flows from financing activities:
Repayments of Debt			0
Rail Term Loan [Member] | Guarantor Subsidiaries [Member]
Cash flows from financing activities:
Repayments of Debt			0
Rail Term Loan [Member] | Non-Guarantor Subsidiaries [Member]
Cash flows from financing activities:
Repayments of Debt			(4,959)
Rail Term Loan [Member] | Consolidation, Eliminations [Member]
Cash flows from financing activities:
Repayments of Debt			$ 0