Inventories (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2012		Dec. 31, 2011
Inventories
Crude oil	$ 471,228		$ 400,952
Other raw materials and unfinished products	164,730	[1]	137,356	[1]
Finished products	617,849	[2]	513,776	[2]
Process chemicals	2,943	[3]	1,180	[3]
Repairs and maintenance supplies and other	53,069		61,355
Inventories, total	$ 1,309,819		$ 1,114,619

[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.