CONDENSED CONSOLIDATING FINANCIAL STATEMENTS OF PBF HOLDINGS (Balance Sheet) (Details) - USD ($) $ in Thousands	Sep. 30, 2018	Dec. 31, 2017	Sep. 30, 2017	Jun. 30, 2017	Dec. 31, 2016
Current assets:
Cash and cash equivalents	$ 1,013,394	$ 526,160	$ 241,745	$ 241,745	$ 626,705
Accounts receivable	1,064,801	951,129
Accounts receivable - affiliate	17,659	8,352
Inventories	2,561,106	2,213,797
Prepaid and other current assets	58,187	49,523
Due from related parties	0	0
Total current assets	4,715,147	3,748,961
Property, plant and equipment, net	2,860,390	2,805,390
Investment in subsidiaries	0	0
Investment in equity method investee	168,763	171,903
Deferred charges and other assets, net	851,842	779,924
Total assets	8,596,142	7,506,178
Current liabilities:
Accounts payable	481,200	572,932
Accounts payable - affiliate	33,454	40,817
Accrued expenses	2,129,768	1,800,859
Current portion of long-term debt	1,242	10,987
Deferred revenue	11,971	7,495
Due to related parties	0	0
Total current liabilities	2,657,635	2,438,711
Long-term debt	1,608,737	1,626,249
Deferred tax liabilities	27,778	33,155
Investment in subsidiaries	0
Other long-term liabilities	240,498	223,961
Due to Related Parties, Noncurrent		0
Total liabilities	4,534,648	4,322,076
Commitments and contingencies
Equity:
Member’s equity	2,648,182	2,359,791
Retained earnings / (accumulated deficit)	1,428,938	840,431
Accumulated other comprehensive loss	(26,477)	(26,928)
Total PBF Holding Company LLC equity	4,050,643	3,173,294
Noncontrolling interest	10,851	10,808
Total equity	4,061,494	3,184,102
Total liabilities and equity	8,596,142	7,506,178
Note payable	0	5,621
Issuer [Member]
Current assets:
Cash and cash equivalents	971,349	486,568		200,136	530,085
Accounts receivable	1,024,062	903,298
Accounts receivable - affiliate	1,413	2,321
Inventories	2,366,474	1,982,315
Prepaid and other current assets	25,356	20,523
Due from related parties	32,674,797	28,632,914
Total current assets	37,063,451	32,027,939
Property, plant and equipment, net	18,641	21,785
Investment in subsidiaries	0	0
Investment in equity method investee	0	0
Deferred charges and other assets, net	18,595	30,141
Total assets	37,100,687	32,079,865
Current liabilities:
Accounts payable	344,287	413,829
Accounts payable - affiliate	32,555	39,952
Accrued expenses	1,732,674	1,409,212
Current portion of long-term debt	0	0
Deferred revenue	10,422	6,005
Due to related parties	27,745,723	24,813,299
Total current liabilities	29,865,661	26,682,297
Long-term debt	1,543,186	1,550,206
Deferred tax liabilities	0	0
Investment in subsidiaries	1,582,991
Other long-term liabilities	47,355	30,612
Due to Related Parties, Noncurrent		632,648
Total liabilities	33,039,193	28,895,763
Commitments and contingencies
Equity:
Member’s equity	2,648,182	2,359,791
Retained earnings / (accumulated deficit)	1,428,938	840,431
Accumulated other comprehensive loss	(26,477)	(26,928)
Total PBF Holding Company LLC equity	4,050,643	3,173,294
Noncontrolling interest	10,851	10,808
Total equity	4,061,494	3,184,102
Total liabilities and equity	37,100,687	32,079,865
Note payable		0
Guarantor Subsidiaries [Member]
Current assets:
Cash and cash equivalents	16,021	13,456		9,124	56,717
Accounts receivable	11,575	7,605
Accounts receivable - affiliate	15,521	5,300
Inventories	0	0
Prepaid and other current assets	31,782	27,100
Due from related parties	24,698,233	23,302,660
Total current assets	24,773,132	23,356,121
Property, plant and equipment, net	2,609,644	2,547,229
Investment in subsidiaries	387,740	413,136
Investment in equity method investee	0	0
Deferred charges and other assets, net	833,213	749,749
Total assets	28,603,729	27,066,235
Current liabilities:
Accounts payable	117,388	137,149
Accounts payable - affiliate	861	865
Accrued expenses	120,001	122,722
Current portion of long-term debt	1,242	10,987
Deferred revenue	1,540	1,472
Due to related parties	29,697,466	27,166,679
Total current liabilities	29,938,498	27,445,495
Long-term debt	42,558	48,024
Deferred tax liabilities	0	0
Investment in subsidiaries	0
Other long-term liabilities	188,998	189,204
Due to Related Parties, Noncurrent		0
Total liabilities	30,170,054	27,682,723
Commitments and contingencies
Equity:
Member’s equity	1,725,362	1,731,268
Retained earnings / (accumulated deficit)	(3,292,878)	(2,348,904)
Accumulated other comprehensive loss	(9,660)	(9,660)
Total PBF Holding Company LLC equity	(1,577,176)	(627,296)
Noncontrolling interest	10,851	10,808
Total equity	(1,566,325)	(616,488)
Total liabilities and equity	28,603,729	27,066,235
Note payable		5,621
Non-Guarantor Subsidiaries [Member]
Current assets:
Cash and cash equivalents	26,024	26,136		32,485	41,366
Accounts receivable	29,164	40,226
Accounts receivable - affiliate	725	731
Inventories	194,632	231,482
Prepaid and other current assets	1,049	1,900
Due from related parties	9,068,281	6,820,693
Total current assets	9,319,875	7,121,168
Property, plant and equipment, net	232,105	236,376
Investment in subsidiaries	0	0
Investment in equity method investee	168,763	171,903
Deferred charges and other assets, net	34	34
Total assets	9,720,777	7,529,481
Current liabilities:
Accounts payable	19,525	21,954
Accounts payable - affiliate	38	0
Accrued expenses	277,093	268,925
Current portion of long-term debt	0	0
Deferred revenue	9	18
Due to related parties	8,998,122	6,776,289
Total current liabilities	9,294,787	7,067,186
Long-term debt	22,993	28,019
Deferred tax liabilities	27,778	33,155
Investment in subsidiaries	0
Other long-term liabilities	4,145	4,145
Due to Related Parties, Noncurrent		0
Total liabilities	9,349,703	7,132,505
Commitments and contingencies
Equity:
Member’s equity	327,691	343,940
Retained earnings / (accumulated deficit)	43,383	53,036
Accumulated other comprehensive loss	0	0
Total PBF Holding Company LLC equity	371,074	396,976
Noncontrolling interest	0	0
Total equity	371,074	396,976
Total liabilities and equity	9,720,777	7,529,481
Note payable		0
Consolidation, Eliminations [Member]
Current assets:
Cash and cash equivalents	0	0		$ 0	$ (1,463)
Accounts receivable	0	0
Accounts receivable - affiliate	0	0
Inventories	0	0
Prepaid and other current assets	0	0
Due from related parties	(66,441,311)	(58,756,267)
Total current assets	(66,441,311)	(58,756,267)
Property, plant and equipment, net	0	0
Investment in subsidiaries	(387,740)	(413,136)
Investment in equity method investee	0	0
Deferred charges and other assets, net	0	0
Total assets	(66,829,051)	(59,169,403)
Current liabilities:
Accounts payable	0	0
Accounts payable - affiliate	0	0
Accrued expenses	0	0
Current portion of long-term debt	0	0
Deferred revenue	0	0
Due to related parties	(66,441,311)	(58,756,267)
Total current liabilities	(66,441,311)	(58,756,267)
Long-term debt	0	0
Deferred tax liabilities	0	0
Investment in subsidiaries	(1,582,991)
Other long-term liabilities	0	0
Due to Related Parties, Noncurrent		(632,648)
Total liabilities	(68,024,302)	(59,388,915)
Commitments and contingencies
Equity:
Member’s equity	(2,053,053)	(2,075,208)
Retained earnings / (accumulated deficit)	3,249,495	2,295,868
Accumulated other comprehensive loss	9,660	9,660
Total PBF Holding Company LLC equity	1,206,102	230,320
Noncontrolling interest	(10,851)	(10,808)
Total equity	1,195,251	219,512
Total liabilities and equity	$ (66,829,051)	(59,169,403)
Note payable		$ 0