CONSOLIDATING FINANCIAL STATEMENTS OF PBF HOLDINGS (Balance Sheet) (Details) - USD ($) $ in Thousands	Dec. 31, 2017	Sep. 30, 2017	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Current assets:
Cash and cash equivalents	$ 526,160		$ 626,705	$ 914,749	$ 218,403
Accounts receivable	951,129		615,881
Accounts receivable - affiliate	8,352		7,631
Inventories	2,213,797		1,863,560
Prepaid and other current assets	49,523		40,536
Due from related party	0		0
Total current assets	3,748,961		3,154,313
Property, plant and equipment, net	2,805,390		2,728,699
Investment in subsidiaries	0		0
Investment in equity method investee	171,903		179,882
Deferred charges and other assets, net	779,924		504,003
Total assets	7,506,178		6,566,897
Current liabilities:
Accounts payable	572,932		530,365
Accounts payable - affiliate	40,817		37,863
Accrued expenses	1,800,859		1,462,729
Less—Current debt	10,987		0
Deferred revenue	7,495		12,340
Notes Payable, Current	5,621	$ 6,831	0
Due to related parties	0		0
Total current liabilities	2,438,711		2,043,297
Long-term debt	1,626,249		1,576,559
Affiliate notes payable	0		86,298
Deferred tax liabilities	33,155		45,699
Other long-term liabilities	223,961		226,111
Due to Related Parties, Noncurrent	0
Total liabilities	4,322,076		3,977,964
Commitments and contingencies
Equity:
Member’s equity	2,359,791		2,155,863
Retained earnings	840,431		446,519
Accumulated other comprehensive loss	(26,928)		(25,962)
Total PBF Holding Company LLC equity	3,173,294		2,576,420
Noncontrolling interest	10,808		12,513
Total equity	3,184,102		2,588,933	1,821,284	1,630,516
Total liabilities and equity	7,506,178		6,566,897
Issuer [Member]
Current assets:
Cash and cash equivalents	486,568		530,085	882,820	185,381
Accounts receivable	903,298		599,147
Accounts receivable - affiliate	2,321		2,432
Inventories	1,982,315		1,680,058
Prepaid and other current assets	20,523		27,443
Due from related party	28,632,914		24,141,120
Total current assets	32,027,939		26,980,285
Property, plant and equipment, net	21,785		33,772
Investment in subsidiaries	0		705,034
Investment in equity method investee	0		0
Deferred charges and other assets, net	30,141		12,317
Total assets	32,079,865		27,731,408
Current liabilities:
Accounts payable	413,829		360,260
Accounts payable - affiliate	39,952		37,077
Accrued expenses	1,409,212		1,094,581
Less—Current debt	0
Deferred revenue	6,005		10,901
Notes Payable, Current	0
Due to related parties	24,813,299		22,027,065
Total current liabilities	26,682,297		23,529,884
Long-term debt	1,550,206		1,496,085
Affiliate notes payable			86,298
Deferred tax liabilities	0		0
Other long-term liabilities	30,612		30,208
Due to Related Parties, Noncurrent	632,648
Total liabilities	28,895,763		25,142,475
Commitments and contingencies
Equity:
Member’s equity	2,359,791		2,155,863
Retained earnings	840,431		446,519
Accumulated other comprehensive loss	(26,928)		(25,962)
Total PBF Holding Company LLC equity	3,173,294		2,576,420
Noncontrolling interest	10,808		12,513
Total equity	3,184,102		2,588,933
Total liabilities and equity	32,079,865		27,731,408
Guarantors Subsidiaries [Member]
Current assets:
Cash and cash equivalents	13,456		56,717	6,236	704
Accounts receivable	7,605		7,999
Accounts receivable - affiliate	5,300		4,504
Inventories	0		0
Prepaid and other current assets	27,100		12,933
Due from related party	23,302,660		21,883,569
Total current assets	23,356,121		21,965,722
Property, plant and equipment, net	2,547,229		2,452,877
Investment in subsidiaries	413,136		440,377
Investment in equity method investee	0		0
Deferred charges and other assets, net	749,749		491,673
Total assets	27,066,235		25,350,649
Current liabilities:
Accounts payable	137,149		157,277
Accounts payable - affiliate	865		786
Accrued expenses	122,722		201,935
Less—Current debt	10,987
Deferred revenue	1,472		1,438
Notes Payable, Current	5,621
Due to related parties	27,166,679		24,031,520
Total current liabilities	27,445,495		24,392,956
Long-term debt	48,024		45,908
Affiliate notes payable			0
Deferred tax liabilities	0		0
Other long-term liabilities	189,204		192,204
Due to Related Parties, Noncurrent	0
Total liabilities	27,682,723		24,631,068
Commitments and contingencies
Equity:
Member’s equity	1,731,268		1,714,997
Retained earnings	(2,348,904)		(999,693)
Accumulated other comprehensive loss	(9,660)		(8,236)
Total PBF Holding Company LLC equity	(627,296)		707,068
Noncontrolling interest	10,808		12,513
Total equity	(616,488)		719,581
Total liabilities and equity	27,066,235		25,350,649
Non-Guarantor Subsidiaries [Member]
Current assets:
Cash and cash equivalents	26,136		41,366	28,968	34,334
Accounts receivable	40,226		8,735
Accounts receivable - affiliate	731		695
Inventories	231,482		183,502
Prepaid and other current assets	1,900		160
Due from related party	6,820,693		4,692,799
Total current assets	7,121,168		4,927,257
Property, plant and equipment, net	236,376		242,050
Investment in subsidiaries	0		0
Investment in equity method investee	171,903		179,882
Deferred charges and other assets, net	34		13
Total assets	7,529,481		5,349,202
Current liabilities:
Accounts payable	21,954		14,291
Accounts payable - affiliate	0		0
Accrued expenses	268,925		166,213
Less—Current debt	0
Deferred revenue	18		1
Notes Payable, Current	0
Due to related parties	6,776,289		4,658,903
Total current liabilities	7,067,186		4,839,408
Long-term debt	28,019		34,566
Affiliate notes payable			0
Deferred tax liabilities	33,155		45,699
Other long-term liabilities	4,145		3,699
Due to Related Parties, Noncurrent	0
Total liabilities	7,132,505		4,923,372
Commitments and contingencies
Equity:
Member’s equity	343,940		374,067
Retained earnings	53,036		51,763
Accumulated other comprehensive loss	0		0
Total PBF Holding Company LLC equity	396,976		425,830
Noncontrolling interest	0		0
Total equity	396,976		425,830
Total liabilities and equity	7,529,481		5,349,202
Combining and Consolidated Adjustments [Member]
Current assets:
Cash and cash equivalents	0		(1,463)	$ (3,275)	$ (2,016)
Accounts receivable	0		0
Accounts receivable - affiliate	0		0
Inventories	0		0
Prepaid and other current assets	0		0
Due from related party	(58,756,267)		(50,717,488)
Total current assets	(58,756,267)		(50,718,951)
Property, plant and equipment, net	0		0
Investment in subsidiaries	(413,136)		(1,145,411)
Investment in equity method investee	0		0
Deferred charges and other assets, net	0		0
Total assets	(59,169,403)		(51,864,362)
Current liabilities:
Accounts payable	0		(1,463)
Accounts payable - affiliate	0		0
Accrued expenses	0		0
Less—Current debt	0
Deferred revenue	0		0
Notes Payable, Current	0
Due to related parties	(58,756,267)		(50,717,488)
Total current liabilities	(58,756,267)		(50,718,951)
Long-term debt	0		0
Affiliate notes payable			0
Deferred tax liabilities	0		0
Other long-term liabilities	0		0
Due to Related Parties, Noncurrent	(632,648)
Total liabilities	(59,388,915)		(50,718,951)
Commitments and contingencies
Equity:
Member’s equity	(2,075,208)		(2,089,064)
Retained earnings	2,295,868		947,930
Accumulated other comprehensive loss	9,660		8,236
Total PBF Holding Company LLC equity	230,320		(1,132,898)
Noncontrolling interest	(10,808)		(12,513)
Total equity	219,512		(1,145,411)
Total liabilities and equity	$ (59,169,403)		$ (51,864,362)