CONSOLIDATING FINANCIAL STATEMENTS OF PBF HOLDINGS (Balance Sheet) (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Jan. 01, 2019	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Current assets:
Cash and cash equivalents	$ 763,100		$ 561,700	$ 526,200	$ 626,700
Accounts receivable	826,600		710,700
Accounts receivable - affiliate	6,500		12,000
Inventories	2,122,200		1,864,100
Prepaid and other current assets	48,000		52,500
Due from related parties	0		0
Total current assets	3,766,400		3,201,000
Property, plant and equipment, net	3,168,600		2,971,200
Investment in subsidiaries	0		0
Investment in equity method investee	0		169,500
Operating lease right of use assets		$ 853,900
Deferred charges and other assets, net	954,200		871,800
Total assets	8,845,600		7,213,500
Current liabilities:
Accounts payable	591,200		483,800
Accounts payable - affiliate	48,100		49,500
Accrued expenses	1,791,400		1,579,000
Current debt	0		2,400
Operating Lease Liability, Current	151,200
Deferred revenue	17,000		17,100
Due to related parties	0		0
Total current liabilities	2,598,900		2,131,800
Long-term debt	1,262,800		1,258,000
Deferred tax liabilities	31,400		40,400
Long-term lease obligations	804,000
Other long-term liabilities	251,300		253,500
Investment in subsidiaries	0		0
Total liabilities	4,948,400		3,683,700
Commitments and contingencies
Equity:
Member’s equity	2,739,100		2,652,500
Retained earnings	1,156,900		890,300
Accumulated other comprehensive loss	(9,700)		(23,900)
Total PBF Holding Company LLC equity	3,886,300		3,518,900
Noncontrolling interest	10,900		10,900
Total equity	3,897,200		3,529,800	3,184,000	2,588,900
Total liabilities and equity	8,845,600		7,213,500
Third Party Lease [Member]
Current assets:
Operating lease right of use assets	306,100
Current liabilities:
Operating Lease Liability, Current	72,000
Long-term lease obligations	232,900		0
Lease with Affiliate [Member]
Current assets:
Operating lease right of use assets	650,300	$ 604,400
Current liabilities:
Operating Lease Liability, Current	79,200
Long-term lease obligations	571,100		0
Combining and Consolidated Adjustments [Member]
Current assets:
Cash and cash equivalents	0		0	0	(1,500)
Accounts receivable	0		0
Accounts receivable - affiliate	0		0
Inventories	0		0
Prepaid and other current assets	0		0
Due from related parties	(78,302,200)		(68,384,600)
Total current assets	(78,302,200)		(68,384,600)
Property, plant and equipment, net	0		0
Investment in subsidiaries	(227,200)		(421,400)
Investment in equity method investee			0
Deferred charges and other assets, net	0		0
Total assets	(78,529,400)		(68,806,000)
Current liabilities:
Accounts payable	0		0
Accounts payable - affiliate	0		0
Accrued expenses	0		0
Current debt			0
Deferred revenue	0		0
Due to related parties	(78,302,200)		(68,384,600)
Total current liabilities	(78,302,200)		(68,384,600)
Long-term debt	0		0
Deferred tax liabilities	0		0
Other long-term liabilities	0		0
Investment in subsidiaries	(3,536,800)		(1,938,300)
Total liabilities	(81,839,000)		(70,322,900)
Commitments and contingencies
Equity:
Member’s equity	(1,736,200)		(2,060,900)
Retained earnings	5,059,900		3,581,200
Accumulated other comprehensive loss	(3,200)		7,500
Total PBF Holding Company LLC equity	3,320,500		1,527,800
Noncontrolling interest	(10,900)		(10,900)
Total equity	3,309,600		1,516,900
Total liabilities and equity	(78,529,400)		(68,806,000)
Combining and Consolidated Adjustments [Member] | Third Party Lease [Member]
Current assets:
Operating lease right of use assets	0
Current liabilities:
Operating Lease Liability, Current	0
Long-term lease obligations	0
Combining and Consolidated Adjustments [Member] | Lease with Affiliate [Member]
Current assets:
Operating lease right of use assets	0
Current liabilities:
Operating Lease Liability, Current	0
Long-term lease obligations	0
Issuer [Member]
Current assets:
Cash and cash equivalents	734,000		526,000	486,600	530,100
Accounts receivable	788,100		690,100
Accounts receivable - affiliate	2,600		1,800
Inventories	1,913,300		1,685,400
Prepaid and other current assets	18,700		20,700
Due from related parties	39,148,700		33,793,100
Total current assets	42,605,400		36,717,100
Property, plant and equipment, net	15,800		17,300
Investment in subsidiaries	0		0
Investment in equity method investee			0
Deferred charges and other assets, net	27,000		16,000
Total assets	43,384,800		36,750,400
Current liabilities:
Accounts payable	438,700		278,200
Accounts payable - affiliate	46,300		34,200
Accrued expenses	1,462,100		1,364,000
Current debt			0
Deferred revenue	15,300		15,600
Due to related parties	31,996,200		28,340,700
Total current liabilities	34,098,300		30,032,700
Long-term debt	1,200,800		1,194,700
Deferred tax liabilities	0		0
Other long-term liabilities	55,900		54,900
Investment in subsidiaries	3,536,800		1,938,300
Total liabilities	39,487,600		33,220,600
Commitments and contingencies
Equity:
Member’s equity	2,739,100		2,652,500
Retained earnings	1,156,900		890,300
Accumulated other comprehensive loss	(9,700)		(23,900)
Total PBF Holding Company LLC equity	3,886,300		3,518,900
Noncontrolling interest	10,900		10,900
Total equity	3,897,200		3,529,800
Total liabilities and equity	43,384,800		36,750,400
Issuer [Member] | Third Party Lease [Member]
Current assets:
Operating lease right of use assets	150,100
Current liabilities:
Operating Lease Liability, Current	63,300
Long-term lease obligations	85,600
Issuer [Member] | Lease with Affiliate [Member]
Current assets:
Operating lease right of use assets	586,500
Current liabilities:
Operating Lease Liability, Current	76,400
Long-term lease obligations	510,200
Guarantors Subsidiaries [Member]
Current assets:
Cash and cash equivalents	6,000		9,100	13,400	56,700
Accounts receivable	6,600		7,200
Accounts receivable - affiliate	3,000		9,500
Inventories	0		0
Prepaid and other current assets	27,300		30,000
Due from related parties	26,857,600		25,057,300
Total current assets	26,900,500		25,113,100
Property, plant and equipment, net	2,916,200		2,722,700
Investment in subsidiaries	227,200		421,400
Investment in equity method investee			0
Deferred charges and other assets, net	927,200		855,800
Total assets	31,190,800		29,113,000
Current liabilities:
Accounts payable	134,000		189,700
Accounts payable - affiliate	1,500		14,800
Accrued expenses	114,000		156,100
Current debt			2,400
Deferred revenue	1,700		1,500
Due to related parties	33,994,600		30,433,400
Total current liabilities	34,257,300		30,797,900
Long-term debt	47,600		42,000
Deferred tax liabilities	0		0
Other long-term liabilities	192,300		194,500
Investment in subsidiaries	0		0
Total liabilities	34,705,400		31,034,400
Commitments and contingencies
Equity:
Member’s equity	1,595,200		1,737,200
Retained earnings	(5,123,900)		(3,662,000)
Accumulated other comprehensive loss	3,200		(7,500)
Total PBF Holding Company LLC equity	(3,525,500)		(1,932,300)
Noncontrolling interest	10,900		10,900
Total equity	(3,514,600)		(1,921,400)
Total liabilities and equity	31,190,800		29,113,000
Guarantors Subsidiaries [Member] | Third Party Lease [Member]
Current assets:
Operating lease right of use assets	155,900
Current liabilities:
Operating Lease Liability, Current	8,700
Long-term lease obligations	147,300
Guarantors Subsidiaries [Member] | Lease with Affiliate [Member]
Current assets:
Operating lease right of use assets	63,800
Current liabilities:
Operating Lease Liability, Current	2,800
Long-term lease obligations	60,900
Non-Guarantor Subsidiaries [Member]
Current assets:
Cash and cash equivalents	23,100		26,600	$ 26,200	$ 41,400
Accounts receivable	31,900		13,400
Accounts receivable - affiliate	900		700
Inventories	208,900		178,700
Prepaid and other current assets	2,000		1,800
Due from related parties	12,295,900		9,534,200
Total current assets	12,562,700		9,755,400
Property, plant and equipment, net	236,600		231,200
Investment in subsidiaries	0		0
Investment in equity method investee			169,500
Deferred charges and other assets, net	0		0
Total assets	12,799,400		10,156,100
Current liabilities:
Accounts payable	18,500		15,900
Accounts payable - affiliate	300		500
Accrued expenses	215,300		58,900
Current debt			0
Deferred revenue	0		0
Due to related parties	12,311,400		9,610,500
Total current liabilities	12,545,500		9,685,800
Long-term debt	14,400		21,300
Deferred tax liabilities	31,400		40,400
Other long-term liabilities	3,100		4,100
Investment in subsidiaries	0		0
Total liabilities	12,594,400		9,751,600
Commitments and contingencies
Equity:
Member’s equity	141,000		323,700
Retained earnings	64,000		80,800
Accumulated other comprehensive loss	0		0
Total PBF Holding Company LLC equity	205,000		404,500
Noncontrolling interest	0		0
Total equity	205,000		404,500
Total liabilities and equity	12,799,400		$ 10,156,100
Non-Guarantor Subsidiaries [Member] | Third Party Lease [Member]
Current assets:
Operating lease right of use assets	100
Current liabilities:
Operating Lease Liability, Current	0
Long-term lease obligations	0
Non-Guarantor Subsidiaries [Member] | Lease with Affiliate [Member]
Current assets:
Operating lease right of use assets	0
Current liabilities:
Operating Lease Liability, Current	0
Long-term lease obligations	$ 0