Inventories (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2013		Dec. 31, 2012
Inventories
Crude oil	$ 544,127		$ 502,978
Other raw materials and unfinished products	186,121	[1]	150,090	[1]
Finished products	741,823	[2]	585,610	[2]
Process chemicals	6,848	[3]	3,514	[3]
Repairs and maintenance supplies and other	71,524		77,440
Inventories, total	$ 1,550,443		$ 1,319,632

[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.