Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Mar. 31, 2019	Dec. 31, 2018
Cash and cash equivalents (HEP: $11,540 and $3,045, respectively)	$ 496,139	$ 1,154,752
Accounts receivable: Product and transportation (HEP: $14,585 and $12,332, respectively)	848,881	635,623
Materials, supplies and other (HEP: $786 and $858, respectively)	172,930	187,975
Prepayments and other (HEP: $3,280 and $3,452, respectively)	77,528	81,507
Properties, plants and equipment, at cost (HEP: $2,066,625 and $2,058,388, respectively)	6,998,671	6,780,980
Less accumulated depreciation (HEP: $(514,066) and $(489,217), respectively)	(2,182,541)	(2,098,446)
Operating lease right-of-use assets	428,197	0
Goodwill (HEP: $312,873 and $314,229, respectively)	2,528,087	2,246,435
Intangibles and other (HEP: $173,113 and $176,291, respectively)	641,126	429,392
Accounts payable (HEP $9,763 and $16,723, respectively)	1,158,759	872,627
Operating lease liabilities (HEP $5,020)	87,669	0
Long-term debt (HEP: $1,438,054 and $1,418,900, respectively)	2,430,934	2,411,540
Deferred income taxes (HEP: $488 and $488, respectively)	844,566	722,576
Other long-term liabilities (HEP: $61,005 and $63,534, respectively)	241,900	233,271
Noncurrent operating lease liability (HEP: $72,269)	342,171	$ 0
Current maturities of finance leases (HEP $877)	$ 1,641
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	256,036,760	256,036,788
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	85,271,376	83,915,297
HEP
Cash and cash equivalents (HEP: $11,540 and $3,045, respectively)	$ 11,540	$ 3,045
Accounts receivable: Product and transportation (HEP: $14,585 and $12,332, respectively)	14,585	12,332
Materials, supplies and other (HEP: $786 and $858, respectively)	786	858
Prepayments and other (HEP: $3,280 and $3,452, respectively)	3,280	3,452
Properties, plants and equipment, at cost (HEP: $2,066,625 and $2,058,388, respectively)	2,066,625	2,058,388
Less accumulated depreciation (HEP: $(514,066) and $(489,217), respectively)	(514,066)	(489,217)
Operating lease right-of-use assets	76,950	0
Goodwill (HEP: $312,873 and $314,229, respectively)	312,873	314,229
Intangibles and other (HEP: $173,113 and $176,291, respectively)	173,113	176,291
Accounts payable (HEP $9,763 and $16,723, respectively)	9,763	16,723
Operating lease liabilities (HEP $5,020)	5,020	0
Accrued Liabilities (HEP: $22,555 and $27,240, respectively)	22,555	27,240
Long-term debt (HEP: $1,438,054 and $1,418,900, respectively)	1,438,054	1,418,900
Deferred income taxes (HEP: $488 and $488, respectively)	488	488
Other long-term liabilities (HEP: $61,005 and $63,534, respectively)	61,005	63,534
Noncurrent operating lease liability (HEP: $72,269)	$ 72,269	$ 0