Consolidated Statements Of Cash Flows (Unaudited) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019
Cash flows from operating activities:
Net income (loss)	$ (420,348)	$ 791,283
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Depreciation and amortization	396,033	375,345
Long-lived asset and goodwill impairments	436,908	152,712
Lower of cost or market inventory valuation adjustment	227,711	(150,483)
Earnings of equity method investments, inclusive of distributions	(238)	280
Loss on early extinguishment of debt	25,915	0
Gain on sales-type lease	(33,834)	0
(Gain) loss on sale of assets	(257)	202
Deferred income taxes	(147,283)	102,959
Equity-based compensation expense	22,221	30,635
Change in fair value - derivative instruments	(3,727)	19,880
(Increase) decrease in current assets:
Accounts receivable	325,796	(116,793)
Inventories	104,640	(47,409)
Income taxes receivable	(64,162)	13,704
Prepayments and other	14,403	17,710
Increase (decrease) in current liabilities:
Accounts payable	(387,259)	321,537
Income taxes payable	(21,379)	808
Accrued liabilities	(22,037)	54,779
Turnaround expenditures	(73,822)	(152,431)
Other, net	11,769	(3,314)
Net cash provided by operating activities	391,050	1,411,404
Cash flows from investing activities:
Additions to properties, plants and equipment	(174,366)	(171,229)
Purchase of Sonneborn, net of cash acquired	0	(662,665)
Investment in equity company - HEP	(2,438)	0
Other, net	1,795	958
Net cash used for investing activities	(213,651)	(856,764)
Cash flows from financing activities:
Borrowings under credit agreement	219,500	269,500
Repayments under credit agreement	(237,000)	(257,000)
Proceeds from issuance of senior notes - HEP	748,925	0
Purchase of treasury stock	(3,350)	(471,976)
Dividends	(171,603)	(168,008)
Contributions from noncontrolling interests	15,382	0
Payments on finance leases	(2,149)	(1,158)
Deferred financing costs	(13,511)	0
Other, net	454	(600)
Net cash provided by (used for) financing activities	463,207	(729,337)
Effect of exchange rate on cash flow	(880)	1,801
Cash and cash equivalents:
Increase (decrease) for the period	639,726	(172,896)
Beginning of period	885,162	1,154,752
End of period	1,524,888	981,856
Cash paid during the period for:
Interest	(83,325)	(93,929)
Income taxes, net	(52,270)	(163,232)
HEP
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Depreciation and amortization	72,095
Long-lived asset and goodwill impairments		0
Lower of cost or market inventory valuation adjustment	0	0
Cash flows from investing activities:
Additions to properties, plants and equipment	(38,642)	(23,828)
Cash flows from financing activities:
Proceeds from issuance of senior notes - HEP	500,000	0
Redemption of senior notes - HEP	(522,500)	0
Distributions to noncontrolling interests	$ (70,941)	$ (100,095)