CONSOLIDATING FINANCIAL STATEMENTS OF PBF HOLDINGS (Balance Sheet) (Details) - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017	Sep. 28, 2017	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Current assets:
Cash and cash equivalents	$ 561,691	$ 526,160		$ 626,705	$ 914,749	$ 914,749
Accounts receivable	710,695	951,129
Accounts receivable - affiliate	12,047	8,352
Inventories	1,864,056	2,213,797
Prepaid and other current assets	52,440	49,523
Due from related party	0	0
Total current assets	3,200,929	3,748,961
Property, plant and equipment, net	2,971,227	2,805,390
Investment in subsidiaries	0	0
Investment in equity method investee	169,472	171,903
Deferred charges and other assets, net	871,848	779,924
Total assets	7,213,476	7,506,178
Current liabilities:
Accounts payable	483,765	572,932
Accounts payable - affiliate	49,504	40,817
Accrued expenses	1,579,038	1,800,859
Less—Current debt	2,378	10,987
Deferred revenue	17,126	7,495
Note payable	0	5,621	$ 6,831
Due to related parties	0	0
Total current liabilities	2,131,811	2,438,711
Long-term debt	1,257,992	1,626,249
Deferred tax liabilities	40,365	33,155
Other long-term liabilities	253,601	223,961
Due to Related Parties, Noncurrent	0	0
Total liabilities	3,683,769	4,322,076
Commitments and contingencies
Equity:
Member’s equity	2,652,424	2,359,791
Retained earnings	890,376	840,431
Accumulated other comprehensive loss	(23,945)	(26,928)
Total PBF Holding Company LLC equity	3,518,855	3,173,294
Noncontrolling interest	10,852	10,808
Total equity	3,529,707	3,184,102		2,588,933	$ 1,821,284
Total liabilities and equity	7,213,476	7,506,178
Issuer [Member]
Current assets:
Cash and cash equivalents	526,038	486,568		530,085		882,820
Accounts receivable	690,097	903,298
Accounts receivable - affiliate	1,771	2,321
Inventories	1,685,322	1,982,315
Prepaid and other current assets	20,654	20,523
Due from related party	33,793,126	28,632,914
Total current assets	36,717,008	32,027,939
Property, plant and equipment, net	17,323	21,785
Investment in subsidiaries	0	0
Investment in equity method investee	0	0
Deferred charges and other assets, net	16,117	30,141
Total assets	36,750,448	32,079,865
Current liabilities:
Accounts payable	278,206	413,829
Accounts payable - affiliate	34,251	39,952
Accrued expenses	1,364,005	1,409,212
Less—Current debt	0	0
Deferred revenue	15,599	6,005
Note payable		0
Due to related parties	28,340,713	24,813,299
Total current liabilities	30,032,774	26,682,297
Long-term debt	1,194,721	1,550,206
Deferred tax liabilities	0	0
Other long-term liabilities	54,921	30,612
Due to Related Parties, Noncurrent	1,938,325	632,648
Total liabilities	33,220,741	28,895,763
Commitments and contingencies
Equity:
Member’s equity	2,652,424	2,359,791
Retained earnings	890,376	840,431
Accumulated other comprehensive loss	(23,945)	(26,928)
Total PBF Holding Company LLC equity	3,518,855	3,173,294
Noncontrolling interest	10,852	10,808
Total equity	3,529,707	3,184,102
Total liabilities and equity	36,750,448	32,079,865
Guarantors Subsidiaries [Member]
Current assets:
Cash and cash equivalents	9,079	13,456		56,717		6,236
Accounts receivable	7,255	7,605
Accounts receivable - affiliate	9,543	5,300
Inventories	0	0
Prepaid and other current assets	30,003	27,100
Due from related party	25,057,250	23,302,660
Total current assets	25,113,130	23,356,121
Property, plant and equipment, net	2,722,679	2,547,229
Investment in subsidiaries	421,438	413,136
Investment in equity method investee	0	0
Deferred charges and other assets, net	855,697	749,749
Total assets	29,112,944	27,066,235
Current liabilities:
Accounts payable	189,671	137,149
Accounts payable - affiliate	14,764	865
Accrued expenses	156,147	122,722
Less—Current debt	2,378	10,987
Deferred revenue	1,522	1,472
Note payable		5,621
Due to related parties	30,433,385	27,166,679
Total current liabilities	30,797,867	27,445,495
Long-term debt	41,975	48,024
Deferred tax liabilities	0	0
Other long-term liabilities	194,535	189,204
Due to Related Parties, Noncurrent	0	0
Total liabilities	31,034,377	27,682,723
Commitments and contingencies
Equity:
Member’s equity	1,737,232	1,731,268
Retained earnings	(3,662,009)	(2,348,904)
Accumulated other comprehensive loss	(7,508)	(9,660)
Total PBF Holding Company LLC equity	(1,932,285)	(627,296)
Noncontrolling interest	10,852	10,808
Total equity	(1,921,433)	(616,488)
Total liabilities and equity	29,112,944	27,066,235
Non-Guarantor Subsidiaries [Member]
Current assets:
Cash and cash equivalents	26,574	26,136		41,366		28,968
Accounts receivable	13,343	40,226
Accounts receivable - affiliate	733	731
Inventories	178,734	231,482
Prepaid and other current assets	1,783	1,900
Due from related party	9,534,212	6,820,693
Total current assets	9,755,379	7,121,168
Property, plant and equipment, net	231,225	236,376
Investment in subsidiaries	0	0
Investment in equity method investee	169,472	171,903
Deferred charges and other assets, net	34	34
Total assets	10,156,110	7,529,481
Current liabilities:
Accounts payable	15,888	21,954
Accounts payable - affiliate	489	0
Accrued expenses	58,886	268,925
Less—Current debt	0	0
Deferred revenue	5	18
Note payable		0
Due to related parties	9,610,490	6,776,289
Total current liabilities	9,685,758	7,067,186
Long-term debt	21,296	28,019
Deferred tax liabilities	40,365	33,155
Other long-term liabilities	4,145	4,145
Due to Related Parties, Noncurrent	0	0
Total liabilities	9,751,564	7,132,505
Commitments and contingencies
Equity:
Member’s equity	323,690	343,940
Retained earnings	80,856	53,036
Accumulated other comprehensive loss	0	0
Total PBF Holding Company LLC equity	404,546	396,976
Noncontrolling interest	0	0
Total equity	404,546	396,976
Total liabilities and equity	10,156,110	7,529,481
Combining and Consolidated Adjustments [Member]
Current assets:
Cash and cash equivalents	0	0		$ (1,463)		$ (3,275)
Accounts receivable	0	0
Accounts receivable - affiliate	0	0
Inventories	0	0
Prepaid and other current assets	0	0
Due from related party	(68,384,588)	(58,756,267)
Total current assets	(68,384,588)	(58,756,267)
Property, plant and equipment, net	0	0
Investment in subsidiaries	(421,438)	(413,136)
Investment in equity method investee	0	0
Deferred charges and other assets, net	0	0
Total assets	(68,806,026)	(59,169,403)
Current liabilities:
Accounts payable	0	0
Accounts payable - affiliate	0	0
Accrued expenses	0	0
Less—Current debt	0	0
Deferred revenue	0	0
Note payable		0
Due to related parties	(68,384,588)	(58,756,267)
Total current liabilities	(68,384,588)	(58,756,267)
Long-term debt	0	0
Deferred tax liabilities	0	0
Other long-term liabilities	0	0
Due to Related Parties, Noncurrent	(1,938,325)	(632,648)
Total liabilities	(70,322,913)	(59,388,915)
Commitments and contingencies
Equity:
Member’s equity	(2,060,922)	(2,075,208)
Retained earnings	3,581,153	2,295,868
Accumulated other comprehensive loss	7,508	9,660
Total PBF Holding Company LLC equity	1,527,739	230,320
Noncontrolling interest	(10,852)	(10,808)
Total equity	1,516,887	219,512
Total liabilities and equity	$ (68,806,026)	$ (59,169,403)