Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
Cash and cash equivalents	$ 1,481,562	$ 1,368,318
Accounts receivable: product and transportation	772,769	590,526
Inventories: materials, supplies and other	188,374	184,180
Prepayments and other	38,816	47,583
Properties, plants and equipment, at cost	7,812,670	7,299,517
Accumulated depreciation	(2,946,119)	(2,726,378)
Operating lease right-of-use asset	395,947	350,548
Turnaround costs	345,314	314,816
Goodwill	2,293,305	2,293,935
Intangibles and other	641,041	663,665
Accounts payable	1,460,769	1,000,959
Operating lease liabilities	106,686	97,937
Accrued liabilities	456,866	274,459
Long-term debt	3,072,352	3,142,718
Noncurrent operating lease liabilities	314,650	285,785
Deferred income taxes	870,610	713,703
Other long-term liabilities	$ 265,822	$ 267,299
Preferred stock par value (in USD per share)	$ 1.00	$ 1.00
Preferred stock, shares authorized (in shares)	5,000,000	5,000,000
Preferred stock, shares issued (in shares)	0	0
Common stock par value (in USD per share)	$ 0.01	$ 0.01
Common stock, shares authorized (in shares)	320,000,000	320,000,000
Common stock, shares issued (in shares)	256,046,051	256,046,051
Common stock held in treasury (in shares)	93,553,647	93,632,391
HEP
Cash and cash equivalents	$ 12,816	$ 21,990
Accounts receivable: product and transportation	12,121	14,543
Inventories: materials, supplies and other	1,054	895
Prepayments and other	2,571	8,591
Properties, plants and equipment, at cost	2,194,659	2,119,295
Accumulated depreciation	(695,124)	(644,149)
Operating lease right-of-use asset	70,034	72,480
Goodwill	312,873	312,873
Intangibles and other	218,012	224,430
Accounts payable	26,008	28,565
Operating lease liabilities	3,761	3,827
Accrued liabilities	16,931	29,518
Long-term debt	1,333,309	1,405,603
Noncurrent operating lease liabilities	66,648	68,454
Deferred income taxes	397	449
Other long-term liabilities	$ 44,277	$ 55,105