Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
Cash and cash equivalents (HEP: $7,776 and $3,657, respectively)	$ 630,757	$ 710,579
Accounts receivable: Product and transportation (HEP: $12,803 and $7,846, respectively)	659,530	449,036
Materials, supplies and other (HEP: $916 and $1,402, respectively)	220,554	165,315
Prepayments and other (HEP: $1,395 and $1,486, respectively)	36,909	33,036
Properties, plants and equipment, at cost (HEP: $2,009,960 and $1,702,703, respectively)	6,523,789	5,546,856
Accumulated depreciation	(1,810,515)	(1,538,408)
Goodwill (HEP: $296,164 and $288,991, respectively)	2,244,744	2,022,463
Intangibles and other	439,989	336,401
Accounts payable (HEP: $14,637 and $10,518, respectively)	1,220,795	935,387
Accrued liabilities (HEP: $33,214 and $37,793, respectively)	198,756	147,842
Long-term Debt and Capital Lease Obligations	2,498,993	2,235,137
Deferred income tax liabilities	647,785	620,414
Other long-term liabilities (HEP: $62,590 and $62,971, respectively)	$ 225,726	$ 194,896
HollyFrontier Stockholders' Equity:
Common stock, par value	$ 0.01	$ 0.01
Common stock, shares authorized	320,000,000	320,000,000
Common stock, shares issued	256,015,550	255,962,866
Preferred stock, par value	$ 1	$ 1
Preferred stock, shares authorized	5,000,000	5,000,000
Preferred stock, shares issued	0	0
Treasury stock, shares	78,607,928	78,617,600
HEP
Cash and cash equivalents (HEP: $7,776 and $3,657, respectively)	$ 7,776	$ 3,657
Accounts receivable: Product and transportation (HEP: $12,803 and $7,846, respectively)	12,803	7,846
Materials, supplies and other (HEP: $916 and $1,402, respectively)	916	1,402
Prepayments and other (HEP: $1,395 and $1,486, respectively)	1,395	1,486
Properties, plants and equipment, at cost (HEP: $2,009,960 and $1,702,703, respectively)	2,011,915	1,702,703
Accumulated depreciation	(408,599)	(337,135)
Goodwill (HEP: $296,164 and $288,991, respectively)	310,610	288,991
Intangibles and other	206,167	208,975
Accounts payable (HEP: $14,637 and $10,518, respectively)	14,637	10,518
Accrued liabilities (HEP: $33,214 and $37,793, respectively)	33,214	37,793
Long-term Debt and Capital Lease Obligations	1,507,308	1,243,912
Deferred income tax liabilities	525	509
Other long-term liabilities (HEP: $62,590 and $62,971, respectively)	$ 62,590	$ 62,971