Inventories (Inventory Components) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013		Dec. 31, 2012
Inventory, Net [Abstract]
Crude oil	$ 567,281		$ 502,978
Other raw materials and unfinished products	154,534	[1]	150,090	[1]
Finished products	519,633	[2]	585,610	[2]
Process chemicals	3,504	[3]	3,514	[3]
Repairs and maintenance supplies and other	109,295		77,440
Total inventory	$ 1,354,247		$ 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.