CONDENSED CONSOLIDATING FINANCIAL STATEMENTS OF PBF HOLDINGS (Balance Sheet) (Details) - USD ($) $ in Thousands	Jun. 30, 2018	Dec. 31, 2017	Jun. 30, 2017	Mar. 31, 2017	Dec. 31, 2016
Current assets:
Cash and cash equivalents	$ 442,717	$ 526,160	$ 114,019	$ 114,019	$ 626,705
Accounts receivable	1,031,574	951,129
Accounts receivable - affiliate	6,745	8,352
Inventories	2,540,277	2,213,797
Prepaid and other current assets	51,284	49,523
Due from related parties	0	0
Total current assets	4,072,597	3,748,961
Property, plant and equipment, net	2,850,236	2,805,390
Investment in subsidiaries	0	0
Investment in equity method investee	169,038	171,903
Deferred charges and other assets, net	861,395	779,924
Total assets	7,953,266	7,506,178
Current liabilities:
Accounts payable	634,893	572,932
Accounts payable - affiliate	31,473	40,817
Accrued expenses	1,818,734	1,800,859
Current portion of long-term debt	1,298	10,987
Deferred revenue	3,657	7,495
Due to related parties	0	0
Total current liabilities	2,493,255	2,438,711
Long-term debt	1,610,461	1,626,249
Deferred tax liabilities	28,502	33,155
Investment in subsidiaries	0
Other long-term liabilities	231,767	223,961
Due to Related Parties, Noncurrent		0
Total liabilities	4,363,985	4,322,076
Commitments and contingencies
Equity:
Member’s equity	2,391,321	2,359,791
Retained earnings / (accumulated deficit)	1,213,798	840,431
Accumulated other comprehensive loss	(26,654)	(26,928)
Total PBF Holding Company LLC equity	3,578,465	3,173,294
Noncontrolling interest	10,816	10,808
Total equity	3,589,281	3,184,102
Total liabilities and equity	7,953,266	7,506,178
Note payable	3,200	5,621
Issuer [Member]
Current assets:
Cash and cash equivalents	400,634	486,568		78,302	530,085
Accounts receivable	992,378	903,298
Accounts receivable - affiliate	2,727	2,321
Inventories	2,353,720	1,982,315
Prepaid and other current assets	18,953	20,523
Due from related parties	31,378,354	28,632,914
Total current assets	35,146,766	32,027,939
Property, plant and equipment, net	19,084	21,785
Investment in subsidiaries	0	0
Investment in equity method investee	0	0
Deferred charges and other assets, net	24,250	30,141
Total assets	35,190,100	32,079,865
Current liabilities:
Accounts payable	508,073	413,829
Accounts payable - affiliate	30,042	39,952
Accrued expenses	1,477,262	1,409,212
Current portion of long-term debt	0	0
Deferred revenue	3,630	6,005
Due to related parties	26,699,566	24,813,299
Total current liabilities	28,718,573	26,682,297
Long-term debt	1,541,649	1,550,206
Deferred tax liabilities	0	0
Investment in subsidiaries	1,309,618
Other long-term liabilities	30,979	30,612
Due to Related Parties, Noncurrent		632,648
Total liabilities	31,600,819	28,895,763
Commitments and contingencies
Equity:
Member’s equity	2,391,321	2,359,791
Retained earnings / (accumulated deficit)	1,213,798	840,431
Accumulated other comprehensive loss	(26,654)	(26,928)
Total PBF Holding Company LLC equity	3,578,465	3,173,294
Noncontrolling interest	10,816	10,808
Total equity	3,589,281	3,184,102
Total liabilities and equity	35,190,100	32,079,865
Note payable	0	0
Guarantor Subsidiaries [Member]
Current assets:
Cash and cash equivalents	16,243	13,456		5,961	56,717
Accounts receivable	9,071	7,605
Accounts receivable - affiliate	3,292	5,300
Inventories	0	0
Prepaid and other current assets	30,848	27,100
Due from related parties	24,147,941	23,302,660
Total current assets	24,207,395	23,356,121
Property, plant and equipment, net	2,597,504	2,547,229
Investment in subsidiaries	390,529	413,136
Investment in equity method investee	0	0
Deferred charges and other assets, net	837,111	749,749
Total assets	28,032,539	27,066,235
Current liabilities:
Accounts payable	109,942	137,149
Accounts payable - affiliate	1,431	865
Accrued expenses	109,095	122,722
Current portion of long-term debt	1,298	10,987
Deferred revenue	20	1,472
Due to related parties	28,862,202	27,166,679
Total current liabilities	29,087,188	27,445,495
Long-term debt	44,132	48,024
Deferred tax liabilities	0	0
Investment in subsidiaries	0
Other long-term liabilities	196,643	189,204
Due to Related Parties, Noncurrent		0
Total liabilities	29,327,963	27,682,723
Commitments and contingencies
Equity:
Member’s equity	1,734,642	1,731,268
Retained earnings / (accumulated deficit)	(3,031,222)	(2,348,904)
Accumulated other comprehensive loss	(9,660)	(9,660)
Total PBF Holding Company LLC equity	(1,306,240)	(627,296)
Noncontrolling interest	10,816	10,808
Total equity	(1,295,424)	(616,488)
Total liabilities and equity	28,032,539	27,066,235
Note payable	3,200	5,621
Non-Guarantor Subsidiaries [Member]
Current assets:
Cash and cash equivalents	25,840	26,136		29,756	41,366
Accounts receivable	30,125	40,226
Accounts receivable - affiliate	726	731
Inventories	186,557	231,482
Prepaid and other current assets	1,483	1,900
Due from related parties	8,296,673	6,820,693
Total current assets	8,541,404	7,121,168
Property, plant and equipment, net	233,648	236,376
Investment in subsidiaries	0	0
Investment in equity method investee	169,038	171,903
Deferred charges and other assets, net	34	34
Total assets	8,944,124	7,529,481
Current liabilities:
Accounts payable	16,878	21,954
Accounts payable - affiliate	0	0
Accrued expenses	232,377	268,925
Current portion of long-term debt	0	0
Deferred revenue	7	18
Due to related parties	8,261,200	6,776,289
Total current liabilities	8,510,462	7,067,186
Long-term debt	24,680	28,019
Deferred tax liabilities	28,502	33,155
Investment in subsidiaries	0
Other long-term liabilities	4,145	4,145
Due to Related Parties, Noncurrent		0
Total liabilities	8,567,789	7,132,505
Commitments and contingencies
Equity:
Member’s equity	332,689	343,940
Retained earnings / (accumulated deficit)	43,646	53,036
Accumulated other comprehensive loss	0	0
Total PBF Holding Company LLC equity	376,335	396,976
Noncontrolling interest	0	0
Total equity	376,335	396,976
Total liabilities and equity	8,944,124	7,529,481
Note payable	0	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	(63,822,968)	(58,756,267)
Total current assets	(63,822,968)	(58,756,267)
Property, plant and equipment, net	0	0
Investment in subsidiaries	(390,529)	(413,136)
Investment in equity method investee	0	0
Deferred charges and other assets, net	0	0
Total assets	(64,213,497)	(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	(63,822,968)	(58,756,267)
Total current liabilities	(63,822,968)	(58,756,267)
Long-term debt	0	0
Deferred tax liabilities	0	0
Investment in subsidiaries	(1,309,618)
Other long-term liabilities	0	0
Due to Related Parties, Noncurrent		(632,648)
Total liabilities	(65,132,586)	(59,388,915)
Commitments and contingencies
Equity:
Member’s equity	(2,067,331)	(2,075,208)
Retained earnings / (accumulated deficit)	2,987,576	2,295,868
Accumulated other comprehensive loss	9,660	9,660
Total PBF Holding Company LLC equity	929,905	230,320
Noncontrolling interest	(10,816)	(10,808)
Total equity	919,089	219,512
Total liabilities and equity	(64,213,497)	(59,169,403)
Note payable	$ 0	$ 0