Condensed Consolidated Statement of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017	Mar. 31, 2016
Cash flows from operating activities:
Net income (loss)	$ 32,407	$ (65,540)
Adjustments to reconcile net income (loss) to net cash used in operations:
Depreciation and amortization	81,135	57,869
Stock-based compensation	4,238	5,345
Change in fair value of catalyst leases	(13)	2,588
Deferred income taxes	(696)	(38)
Non-cash lower of cost or market inventory adjustment	(87,653)	16,039
Non-cash change in inventory repurchase obligations	8,825	(23,124)
Pension and other post-retirement benefit costs	11,845	10,560
Income from equity method investee	4,022	3,599
Distributions from equity method investee	4,022	3,425
Loss on sale of assets	79	883
Changes in operating assets and liabilities:
Accounts receivable	121,382	7,490
Due to/from affiliates	(5,352)	(8,581)
Inventories	(278,294)	(238,437)
Prepaid and other current assets	(36,253)	(28,299)
Accounts payable	32,281	(188,813)
Accrued expenses	(22,935)	183,139
Deferred revenue	(1,976)	(9,589)
Other assets and liabilities	(5,952)	(25,942)
Net cash used in operations	(146,932)	(304,624)
Cash flows from investing activities:
Expenditures for property, plant and equipment	(20,983)	(95,676)
Expenditures for deferred turnaround costs	(58,800)	(64,371)
Expenditures for other assets	(9,544)	(14,847)
Equity method investment - return of capital	978	0
Net cash used in investing activities	(88,349)	(174,894)
Cash flows from financing activities:
Contributions from PBF LLC	0	72,000
Repayments of PBF Rail Term Loan	1,686	1,642
Proceeds from revolver borrowings	0	200,000
Repayments of revolver borrowings	0	200,000
Repayment of note payable	(1,211)	0
Proceeds from insurance premium financing	27,836	0
Net cash provided by (used in) financing activities	24,939	70,358
Net decrease in cash and cash equivalents	(210,342)	(409,160)
Cash and equivalents, beginning of period	526,160	626,705
Cash and equivalents, end of period	$ 315,818	217,545
Non-cash activities:
Accrued and unpaid capital expenditures		129,002	$ 53,652
Distribution of assets to PBF Energy Company LLC		0	25,547
Conversion of affiliate notes payable to capital contribution		$ 0	$ 86,298