Inventories (Details) - USD ($) $ in Thousands		3 Months Ended		6 Months Ended
		Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015	Dec. 31, 2015
Inventories
Crude Oil		$ 534,399		$ 534,399		$ 518,922
Other raw materials and unfinished products	[1]	293,367		293,367		214,832
Finished products	[2]	477,124		477,124		603,568
Lower of cost or market reserve		(429,862)		(429,862)		(624,457)
Process chemicals	[3]	5,186		5,186		4,477
Repairs and maintenance supplies and other		140,809		140,809		124,527
Inventories, total		1,021,023		1,021,023		$ 841,869
Lower of cost or market inventory valuation adjustment		$ 138,473	$ 135,480	$ 194,594	$ 142,026

[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.