Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Cash and cash equivalents (HEP: $18,913 and $13,287, respectively)	$ 902,509	$ 885,162
Accounts receivable: Product and transportation (HEP: $14,929 and $18,732, respectively)	540,818	834,771
Materials, supplies and other (HEP: $935 and $833, respectively)	195,850	191,413
Prepayments and other (HEP: $6,970 and $6,795, respectively)	56,210	61,662
Properties, plants and equipment, at cost (HEP: $2,053,174 and $2,047,674, respectively)	7,052,866	7,237,297
Less accumulated depreciation (HEP: $(584,651) and $(552,786), respectively)	(2,567,686)	(2,414,585)
Operating lease right-of-use assets (HEP: $3,377 and $2,652, respectively)	390,497	467,109
Goodwill (HEP: $312,873 and $312,873, respectively)	2,373,912	2,373,907
Intangibles and other (HEP: $350,056 and $319,569, respectively)	651,494	673,646
Accounts payable (HEP $14,888 and $18,050, respectively)	870,695	1,215,555
Operating lease liabilities (HEP $3,766 and $3,608, respectively)	102,336	104,415
Long-term debt (HEP: $1,486,648 and $1,462,031, respectively)	2,480,746	2,455,640
Deferred income taxes (HEP: $432 and $424, respectively)	765,572	889,270
Noncurrent operating lease liability (HEP: $70,167 and $72,000, respectively)	318,955	364,420
Other long-term liabilities (HEP: $58,351 and $59,021, respectively)	$ 250,994	$ 260,157
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	0	256,042,554
Preferred stock, par value	$ 1.00	$ 1.00
Preferred stock, shares authorized	5,000,000	5,000,000
Preferred stock, shares issued	0	0
Treasury stock, shares	0	94,196,029
HEP
Cash and cash equivalents (HEP: $18,913 and $13,287, respectively)	$ 18,913	$ 13,287
Accounts receivable: Product and transportation (HEP: $14,929 and $18,732, respectively)	14,929	18,732
Materials, supplies and other (HEP: $935 and $833, respectively)	935	833
Prepayments and other (HEP: $6,970 and $6,795, respectively)	6,970	6,795
Properties, plants and equipment, at cost (HEP: $2,053,174 and $2,047,674, respectively)	2,053,174	2,047,674
Less accumulated depreciation (HEP: $(584,651) and $(552,786), respectively)	(584,651)	(552,786)
Operating lease right-of-use assets (HEP: $3,377 and $2,652, respectively)	3,377	2,652
Goodwill (HEP: $312,873 and $312,873, respectively)	312,873	312,873
Intangibles and other (HEP: $350,056 and $319,569, respectively)	350,056	319,569
Accounts payable (HEP $14,888 and $18,050, respectively)	14,888	18,050
Operating lease liabilities (HEP $3,766 and $3,608, respectively)	3,766	3,608
Accrued Liabilities (HEP: $22,555 and $27,240, respectively)	30,886	30,418
Long-term debt (HEP: $1,486,648 and $1,462,031, respectively)	1,486,648	1,462,031
Deferred income taxes (HEP: $432 and $424, respectively)	432	424
Noncurrent operating lease liability (HEP: $70,167 and $72,000, respectively)	70,167	72,000
Other long-term liabilities (HEP: $58,351 and $59,021, respectively)	$ 58,351	$ 59,021