Inventories (Details) - USD ($) $ in Thousands		3 Months Ended		9 Months Ended
		Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017	Dec. 31, 2017
Inventories
Crude Oil		$ 529,252		$ 529,252		$ 581,417
Other raw materials and unfinished products	[1]	383,953		383,953		396,618
Finished products	[2]	753,562		753,562		655,336
Lower of cost or market reserve		(30,906)		(30,906)		(223,833)
Process chemicals	[3]	35,259		35,259		24,792
Repair and maintenance supplies and other	[4]	191,380		191,380		195,762
Inventories, total		1,862,500		1,862,500		$ 1,630,092
Lower of cost or market inventory valuation adjustment		$ 17,837	$ (111,128)	$ (192,927)	$ (15,323)

[1] (1)Other raw materials and unfinished products include feedstocks and blendstocks, other than crude.

[2] (2)Finished products include gasolines, jet fuels, diesels, lubricants, asphalts, LPG’s and residual fuels.

[3] (3)Process chemicals include additives and other chemicals.

[4] (4)Includes RINs.