Consolidated Statements Of Cash Flows (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Cash flows from operating activities:
Net income (loss)	$ (37,782)	$ 43,390
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Depreciation and amortization	96,040	87,880
Lower of cost or market inventory valuation adjustment	11,823	(56,121)
Net (income) loss of equity method investments, inclusive of distributions	273	(265)
Gain on sale of assets	(65)	(23)
Loss on Extinguishment of Debt Due to Unamortized Discount	2,475
Loss on early extinguishment of debt	12,225	8,718
Deferred income taxes	7,527	46,662
Equity-based compensation expense	7,410	3,226
Change in fair value - derivative instruments	(5,426)	3,189
(Increase) decrease in current assets:
Accounts receivable	(200)	(78,936)
Inventories	14,005	7,276
Income taxes receivable	(18,598)	(32,813)
Prepayments and other	(2,343)	10,586
Increase (decrease) in current liabilities:
Accounts payable	(122,744)	2,401
Income taxes payable	288	(10,555)
Accrued liabilities	41,681	8,519
Turnaround expenditures	(47,977)	(36,994)
Other, net	14,229	496
Net cash provided by operating activities	(39,384)	6,636
Cash flows from investing activities:
Additions to properties, plants and equipment	(51,492)	(107,389)
Purchase shares of PCLI	(840,432)	0
Proceeds from sale of assets	6	258
Purchases of marketable securities	(41,565)	(4,082)
Sales and maturities of marketable securities	465,716	148,204
Equity Company Distributions in Excess of Income	3,016	0
Net cash used for investing activities	(473,016)	(5,193)
Cash flows from financing activities:
Borrowings under credit agreement	406,000	837,000
Repayments under credit agreement	(112,000)	(784,000)
Net proceeds from Issuance of senior notes	0	246,690
Redemption of senior notes	(309,750)	0
Repayment of financing obligation		(39,500)
Proceeds from issuance of common units - HEP	37,563	0
Purchase of treasury stock	0	(133,430)
Dividends	(58,992)	(58,602)
Distributions to noncontrolling interest	(26,536)
Other, net	(4,648)	(3,382)
Net cash provided by (used for) financing activities	(68,363)	43,045
Effect of Exchange Rate on Cash	(304)	0
Cash and cash equivalents:
Increase (decrease) for the period	(581,067)	44,488
Beginning of period	710,579	66,533
End of period	129,512	111,021
Cash paid during the period for:
Interest	27,111	15,261
Income taxes	2,513	19,166
HEP [Member]
Cash flows from investing activities:
Additions to properties, plants and equipment	(8,265)	(42,184)
Cash flows from financing activities:
Borrowings under credit agreement	400,000
Repayment of financing obligation	0	(39,500)
Distributions to noncontrolling interest	(26,536)	$ (21,731)
Cash and cash equivalents:
Beginning of period	3,657
End of period	$ 7,007