CONDENSED CONSOLIDATING FINANCIAL STATEMENTS OF PBF HOLDINGS (Balance Sheet) (Details) - USD ($) $ in Thousands	Jun. 30, 2015	Dec. 31, 2014	Jun. 30, 2014	Dec. 31, 2013
Current assets:
Cash and cash equivalents	$ 435,574	$ 218,403	$ 313,370	$ 76,970
Accounts receivable	540,227	551,269
Accounts receivable - affiliate	1,831	3,223
Inventories	1,306,414	1,102,261
Prepaid expense and other current assets	28,283	32,157
Due from related party	0	0
Total current assets	2,312,329	1,907,313
Property, plant and equipment, net	1,819,012	1,806,060
Investment in subsidiaries	0	0
Deferred charges and other assets, net	306,290	330,517
Total assets	4,437,631	4,043,890
Current liabilities:
Accounts payable	353,716	335,182
Accounts payable - affiliate	20,333	11,630
Accrued expenses	1,246,805	1,129,970
Current portion of long-term debt	0	0
Deferred revenue	7,218	1,227
Due to related parties	0	0
Total current liabilities	1,628,072	1,478,009
Delaware Economic Development Authority loan	8,000	8,000
Long-term debt	745,034	742,349
Intercompany notes payable	152,287	122,264
Other long-term liabilities	70,154	62,752
Total liabilities	$ 2,603,547	$ 2,413,374
Commitments and contingencies
Equity:
Member's equity	$ 1,129,834	$ 1,144,100
Retained earnings (accumulated deficit)	730,330	513,292
Accumulated other comprehensive loss	(26,080)	(26,876)
Total equity	1,834,084	1,630,516
Total liabilities and equity	4,437,631	4,043,890
Issuer [Member]
Current assets:
Cash and cash equivalents	409,502	185,381	311,982	76,179
Accounts receivable	503,211	518,498
Accounts receivable - affiliate	536	529
Inventories	588,258	510,947
Prepaid expense and other current assets	21,791	26,964
Due from related party	18,379,043	16,189,384
Total current assets	19,902,341	17,431,703
Property, plant and equipment, net	85,465	68,218
Investment in subsidiaries	2,018,715	2,569,636
Deferred charges and other assets, net	31,393	34,840
Total assets	22,037,914	20,104,397
Current liabilities:
Accounts payable	283,506	235,791
Accounts payable - affiliate	20,333	11,600
Accrued expenses	601,789	487,783
Current portion of long-term debt	0	0
Deferred revenue	7,218	1,227
Due to related parties	18,443,554	16,924,490
Total current liabilities	19,356,400	17,660,891
Delaware Economic Development Authority loan	0	0
Long-term debt	669,070	668,520
Intercompany notes payable	152,287	122,264
Other long-term liabilities	26,073	22,206
Total liabilities	$ 20,203,830	$ 18,473,881
Commitments and contingencies
Equity:
Member's equity	$ 1,129,834	$ 1,144,100
Retained earnings (accumulated deficit)	730,330	513,292
Accumulated other comprehensive loss	(26,080)	(26,876)
Total equity	1,834,084	1,630,516
Total liabilities and equity	22,037,914	20,104,397
Guarantors Subsidiaries [Member]
Current assets:
Cash and cash equivalents	529	704	1,350	791
Accounts receivable	3,003	26,238
Accounts receivable - affiliate	1,295	2,694
Inventories	496,051	435,924
Prepaid expense and other current assets	6,492	5,193
Due from related party	19,811,177	18,805,509
Total current assets	20,318,547	19,276,262
Property, plant and equipment, net	1,668,389	1,683,294
Investment in subsidiaries	0	0
Deferred charges and other assets, net	272,540	293,098
Total assets	22,259,476	21,252,654
Current liabilities:
Accounts payable	66,570	92,984
Accounts payable - affiliate	0	30
Accrued expenses	506,481	450,856
Current portion of long-term debt	0	0
Deferred revenue	0	0
Due to related parties	19,703,952	18,151,095
Total current liabilities	20,277,003	18,694,965
Delaware Economic Development Authority loan	8,000	8,000
Long-term debt	32,571	36,559
Intercompany notes payable	0	0
Other long-term liabilities	44,081	40,546
Total liabilities	$ 20,361,655	$ 18,780,070
Commitments and contingencies
Equity:
Member's equity	$ 734,923	$ 749,278
Retained earnings (accumulated deficit)	1,171,286	1,731,694
Accumulated other comprehensive loss	(8,388)	(8,388)
Total equity	1,897,821	2,472,584
Total liabilities and equity	22,259,476	21,252,654
Non-Guarantor Subsidiaries [Member]
Current assets:
Cash and cash equivalents	26,511	34,334	38	0
Accounts receivable	34,013	6,533
Accounts receivable - affiliate	0	0
Inventories	222,105	155,390
Prepaid expense and other current assets	0	0
Due from related party	2,435,713	1,607,878
Total current assets	2,718,342	1,804,135
Property, plant and equipment, net	65,158	54,548
Investment in subsidiaries	0	0
Deferred charges and other assets, net	2,357	2,579
Total assets	2,785,857	1,861,262
Current liabilities:
Accounts payable	4,608	8,423
Accounts payable - affiliate	0	0
Accrued expenses	138,535	191,331
Current portion of long-term debt	0	0
Deferred revenue	0	0
Due to related parties	2,478,427	1,527,186
Total current liabilities	2,621,570	1,726,940
Delaware Economic Development Authority loan	0	0
Long-term debt	43,393	37,270
Intercompany notes payable	0	0
Other long-term liabilities	0	0
Total liabilities	$ 2,664,963	$ 1,764,210
Commitments and contingencies
Equity:
Member's equity	$ 39,346	$ 44,346
Retained earnings (accumulated deficit)	81,548	52,706
Accumulated other comprehensive loss	0	0
Total equity	120,894	97,052
Total liabilities and equity	2,785,857	1,861,262
Combining and Consolidated Adjustments [Member]
Current assets:
Cash and cash equivalents	(968)	(2,016)	$ 0	$ 0
Accounts receivable	0	0
Accounts receivable - affiliate	0	0
Inventories	0	0
Prepaid expense and other current assets	0	0
Due from related party	(40,625,933)	(36,602,771)
Total current assets	(40,626,901)	(36,604,787)
Property, plant and equipment, net	0	0
Investment in subsidiaries	(2,018,715)	(2,569,636)
Deferred charges and other assets, net	0	0
Total assets	(42,645,616)	(39,174,423)
Current liabilities:
Accounts payable	(968)	(2,016)
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	(40,625,933)	(36,602,771)
Total current liabilities	(40,626,901)	(36,604,787)
Delaware Economic Development Authority loan	0	0
Long-term debt	0	0
Intercompany notes payable	0	0
Other long-term liabilities	0	0
Total liabilities	$ (40,626,901)	$ (36,604,787)
Commitments and contingencies
Equity:
Member's equity	$ (774,269)	$ (793,624)
Retained earnings (accumulated deficit)	(1,252,834)	(1,784,400)
Accumulated other comprehensive loss	8,388	8,388
Total equity	(2,018,715)	(2,569,636)
Total liabilities and equity	$ (42,645,616)	$ (39,174,423)