Inventories (Details) - USD ($) $ in Thousands		3 Months Ended
		Mar. 31, 2016	Mar. 31, 2015	Dec. 31, 2015
Inventories
Crude Oil		$ 523,754		$ 518,922
Other raw materials and unfinished products	[1]	184,804		214,832
Finished products	[2]	622,578		603,568
Lower of cost or market reserve		(568,336)		(624,457)
Process chemicals	[3]	5,558		4,477
Repairs and maintenance supplies and other		123,580		124,527
Inventories, total		891,938		$ 841,869
Lower of cost or market inventory valuation adjustment		$ (56,121)	$ (6,546)

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

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

[3] Process chemicals include additives and other chemicals.