CONDENSED CONSOLIDATING FINANCIAL STATEMENTS OF PBF HOLDINGS (Statement of Cash Flows) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Cash flows from operating activities:
Net income (loss)	$ (205,376)	$ 181,504	$ (270,916)	$ 83,076
Adjustments to reconcile net income to net cash from operating activities:
Depreciation and amortization			122,849	107,945
Stock-based compensation			10,134	9,999
Change in fair value of catalyst leases			1,484	4,633
Deferred income taxes	5,161	(5,576)	5,123	27,060
Non-cash lower of cost or market inventory adjustment			167,134	(216,843)
Non-cash change in inventory repurchase obligations			(3,107)	26,172
Gain (Loss) on Extinguishment of Debt	25,451	0	25,451	0
Pension and other post-retirement benefit costs			21,121	15,355
Income (Loss) from Equity Method Investments	3,820	0	7,419	0
Proceeds from Equity Method Investment, Dividends or Distributions			12,254	0
Gain (Loss) on Disposition of Property Plant Equipment			912	3,222
Equity in earnings of subsidiaries	0	0	0	0
Changes in operating assets and liabilities:
Accounts receivable			6,121	(190,645)
Due to/from affiliates			(13,505)	(2,457)
Inventories			(178,738)	82,579
Prepaid expense and other current assets			(18,038)	(16,422)
Accounts payable			(144,819)	58,642
Accrued expenses			106,073	164,247
Deferred revenue			(7,408)	3,767
Other assets and liabilities			(40,525)	(12,522)
Net cash (used in) provided by operations			(205,819)	147,808
Cash flows from investing activities:
Expenditures for property, plant and equipment			(179,575)	(110,035)
Expenditures for deferred turnaround costs			(214,375)	(106,649)
Expenditures for other assets			(23,747)	(21,325)
Investment in subsidiary				0
Chalmette Acquisition working capital settlement			0	(2,659)
Proceeds from Sale of Productive Assets			0	6,860
Net cash used in investing activities			(417,697)	(233,808)
Cash flows from financing activities:
Parent Distribution				0
Distribution to members			(5,252)	(61,667)
Proceeds from Related Party Debt			0	635
Repayment of affiliate notes payable			0	(517)
Proceeds from revolver borrowings			290,000	550,000
Repayments of Lines of Credit			290,000	0
Payment of Financing and Stock Issuance Costs			12,414
Net cash provided by (used in) financing activities			110,830	481,481
Proceeds from members' capital contributions			97,000	0
Net (decrease) increase in cash and cash equivalents			(512,686)	395,481
Cash and equivalents, beginning of period			626,705	914,749
Cash and equivalents, end of period	114,019	1,310,230	114,019	1,310,230
Issuer [Member]
Cash flows from operating activities:
Net income (loss)	(205,376)	181,504	(270,916)	83,076
Adjustments to reconcile net income to net cash from operating activities:
Depreciation and amortization			11,596	7,405
Stock-based compensation			0	0
Change in fair value of catalyst leases			0	0
Deferred income taxes			0	0
Non-cash lower of cost or market inventory adjustment			167,134	(200,063)
Non-cash change in inventory repurchase obligations			(3,107)	0
Gain (Loss) on Extinguishment of Debt	25,451		25,451
Pension and other post-retirement benefit costs			3,304	3,464
Income (Loss) from Equity Method Investments	0		0
Proceeds from Equity Method Investment, Dividends or Distributions			0
Gain (Loss) on Disposition of Property Plant Equipment			0	0
Equity in earnings of subsidiaries	(338,171)	(292,212)	(703,300)	(684,805)
Changes in operating assets and liabilities:
Accounts receivable			21,334	(190,245)
Due to/from affiliates			(1,111,279)	(838,988)
Inventories			(141,219)	91,094
Prepaid expense and other current assets			(3,314)	(4,255)
Accounts payable			(120,026)	80,299
Accrued expenses			178,794	175,598
Deferred revenue			(6,002)	3,767
Other assets and liabilities			(15,218)	(10,304)
Net cash (used in) provided by operations			(560,168)	(114,347)
Cash flows from investing activities:
Expenditures for property, plant and equipment			(287)	(11,765)
Expenditures for deferred turnaround costs			0	0
Expenditures for other assets			0	0
Investment in subsidiary				(12,800)
Chalmette Acquisition working capital settlement				0
Proceeds from Sale of Productive Assets				0
Net cash used in investing activities			(287)	1,035
Cash flows from financing activities:
Parent Distribution				0
Distribution to members			(5,252)	(61,667)
Proceeds from Related Party Debt				635
Repayment of affiliate notes payable				(517)
Proceeds from revolver borrowings			290,000	550,000
Repayments of Lines of Credit			290,000
Increase (Decrease) in Due to Other Related Parties			(5,453)
Payment of Financing and Stock Issuance Costs			12,414
Net cash provided by (used in) financing activities			108,672	488,451
Proceeds from members' capital contributions			97,000
Net (decrease) increase in cash and cash equivalents			(451,783)	375,139
Cash and equivalents, beginning of period			530,085	882,820
Cash and equivalents, end of period	78,302	1,257,959	78,302	1,257,959
Guarantor Subsidiaries [Member]
Cash flows from operating activities:
Net income (loss)	(346,937)	(270,173)	(709,620)	(639,394)
Adjustments to reconcile net income to net cash from operating activities:
Depreciation and amortization			107,430	96,645
Stock-based compensation			10,134	9,999
Change in fair value of catalyst leases			1,484	4,633
Deferred income taxes			0	0
Non-cash lower of cost or market inventory adjustment			0	(16,780)
Non-cash change in inventory repurchase obligations			0	26,172
Gain (Loss) on Extinguishment of Debt	0		0
Pension and other post-retirement benefit costs			17,817	11,891
Income (Loss) from Equity Method Investments	0		0
Proceeds from Equity Method Investment, Dividends or Distributions			0
Gain (Loss) on Disposition of Property Plant Equipment			912	24
Equity in earnings of subsidiaries	1,442	0	3,335	0
Changes in operating assets and liabilities:
Accounts receivable			3,501	6,084
Due to/from affiliates			1,029,667	798,315
Inventories			0	(11,455)
Prepaid expense and other current assets			(14,716)	(12,365)
Accounts payable			(24,140)	(24,617)
Accrued expenses			(42,903)	(2,269)
Deferred revenue			(1,418)	0
Other assets and liabilities			(13,881)	(3,305)
Net cash (used in) provided by operations			360,932	243,578
Cash flows from investing activities:
Expenditures for property, plant and equipment			(179,019)	(98,259)
Expenditures for deferred turnaround costs			(214,375)	(106,649)
Expenditures for other assets			(23,747)	(21,325)
Investment in subsidiary				0
Chalmette Acquisition working capital settlement				(2,659)
Proceeds from Sale of Productive Assets				0
Net cash used in investing activities			(417,141)	(228,892)
Cash flows from financing activities:
Parent Distribution				0
Distribution to members			0	0
Proceeds from Related Party Debt				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			5,453
Payment of Financing and Stock Issuance Costs			0
Net cash provided by (used in) financing activities			5,453	0
Proceeds from members' capital contributions			0
Net (decrease) increase in cash and cash equivalents			(50,756)	14,686
Cash and equivalents, beginning of period			56,717	6,236
Cash and equivalents, end of period	5,961	20,922	5,961	20,922
Non-Guarantor Subsidiaries [Member]
Cash flows from operating activities:
Net income (loss)	10,208	(22,039)	9,655	(45,411)
Adjustments to reconcile net income to net cash from operating activities:
Depreciation and amortization			3,823	3,895
Stock-based compensation			0	0
Change in fair value of catalyst leases			0	0
Deferred income taxes			5,123	27,060
Non-cash lower of cost or market inventory adjustment			0	0
Non-cash change in inventory repurchase obligations			0	0
Gain (Loss) on Extinguishment of Debt	0		0
Pension and other post-retirement benefit costs			0	0
Income (Loss) from Equity Method Investments	3,820		7,419
Proceeds from Equity Method Investment, Dividends or Distributions			12,254
Gain (Loss) on Disposition of Property Plant Equipment			0	3,198
Equity in earnings of subsidiaries	0	0	0	0
Changes in operating assets and liabilities:
Accounts receivable			(18,714)	(6,484)
Due to/from affiliates			68,107	38,216
Inventories			(37,519)	2,940
Prepaid expense and other current assets			(8)	198
Accounts payable			(2,116)	1,030
Accrued expenses			(29,818)	(9,082)
Deferred revenue			12	0
Other assets and liabilities			(11,426)	1,087
Net cash (used in) provided by operations			(8,046)	16,647
Cash flows from investing activities:
Expenditures for property, plant and equipment			(269)	(11)
Expenditures for deferred turnaround costs			0	0
Expenditures for other assets			0	0
Investment in subsidiary				0
Chalmette Acquisition working capital settlement				0
Proceeds from Sale of Productive Assets				6,860
Net cash used in investing activities			(269)	6,849
Cash flows from financing activities:
Parent Distribution				12,800
Distribution to members			0	0
Proceeds from Related Party Debt				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			(3,295)	(19,770)
Proceeds from members' capital contributions			0
Net (decrease) increase in cash and cash equivalents			(11,610)	3,726
Cash and equivalents, beginning of period			41,366	28,968
Cash and equivalents, end of period	29,756	32,694	29,756	32,694
PBF Holding Company LLC [Member]
Cash flows from financing activities:
Increase (Decrease) in Due to Other Related Parties			0
Consolidation, Eliminations [Member]
Cash flows from operating activities:
Net income (loss)	336,729	292,212	699,965	684,805
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
Non-cash lower of cost or market inventory adjustment			0	0
Non-cash change in inventory repurchase obligations			0	0
Gain (Loss) on Extinguishment of Debt	0		0
Pension and other post-retirement benefit costs			0	0
Income (Loss) from Equity Method Investments	0		0
Proceeds from Equity Method Investment, Dividends or Distributions			0
Gain (Loss) on Disposition of Property Plant Equipment			0	0
Equity in earnings of subsidiaries	336,729	292,212	699,965	684,805
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	1,930
Accrued expenses			0	0
Deferred revenue			0	0
Other assets and liabilities			0	0
Net cash (used in) provided by operations			1,463	1,930
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
Proceeds from Sale of Productive Assets				0
Net cash used in investing activities			0	(12,800)
Cash flows from financing activities:
Parent Distribution				(12,800)
Distribution to members			0	0
Proceeds from Related Party Debt				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			0	12,800
Proceeds from members' capital contributions			0
Net (decrease) increase in cash and cash equivalents			1,463	1,930
Cash and equivalents, beginning of period			(1,463)	(3,275)
Cash and equivalents, end of period	$ 0	$ (1,345)	0	(1,345)
Rail Facility [Member]
Cash flows from financing activities:
Repayments of Lines of Credit			0	6,970
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				6,970
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			3,295	$ 0
Repayments of Debt			(3,295)
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			(3,295)
Rail Term Loan [Member] | Consolidation, Eliminations [Member]
Cash flows from financing activities:
Repayments of Debt			$ 0