Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017
Cash and cash equivalents (HEP: $3,045 and $7,776, respectively)	$ 1,154,752	$ 630,757
Accounts receivable: Product and transportation (HEP: $12,332 and $12,803, respectively)	635,623	659,530
Materials, supplies and other (HEP: $858 and $916, respectively)	187,975	220,554
Prepayments and other (HEP: $3,452 and $1,395, respectively)	81,507	36,909
Properties, plants and equipment, at cost (HEP: $2,058,388 and $2,011,915, respectively)	6,780,980	6,523,789
Accumulated depreciation	(2,098,446)	(1,810,515)
Goodwill (HEP: $314,229 and $310,610, respectively)	2,246,435	2,244,744
Intangibles and other	429,392	439,989
Accounts payable (HEP: $16,723 and $14,637, respectively)	872,627	1,220,795
Accrued liabilities (HEP: $27,240 and $33,214, respectively)	277,892	198,756
Long-term Debt and Capital Lease Obligations	2,411,540	2,498,993
Deferred income tax liabilities	722,576	647,785
Other long-term liabilities (HEP: $63,534 and $62,590, respectively)	$ 233,271	$ 225,726
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	256,036,788	256,015,550
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	83,915,297	78,607,928
HEP
Cash and cash equivalents (HEP: $3,045 and $7,776, respectively)	$ 3,045	$ 7,776
Accounts receivable: Product and transportation (HEP: $12,332 and $12,803, respectively)	12,332	12,803
Materials, supplies and other (HEP: $858 and $916, respectively)	858	916
Prepayments and other (HEP: $3,452 and $1,395, respectively)	3,452	1,395
Properties, plants and equipment, at cost (HEP: $2,058,388 and $2,011,915, respectively)	2,058,388	2,011,915
Accumulated depreciation	(489,217)	(408,599)
Goodwill (HEP: $314,229 and $310,610, respectively)	314,229	310,610
Intangibles and other	176,291	206,167
Accounts payable (HEP: $16,723 and $14,637, respectively)	16,723	14,637
Accrued liabilities (HEP: $27,240 and $33,214, respectively)	27,240	33,214
Long-term Debt and Capital Lease Obligations	1,418,900	1,507,308
Deferred income tax liabilities	488	525
Other long-term liabilities (HEP: $63,534 and $62,590, respectively)	$ 63,534	$ 62,590