Inventories (Detail) - USD ($) $ in Thousands	Jun. 30, 2015	Dec. 31, 2014
Crude oil and feedstocks	$ 94,213	$ 80,518
Refined products and blend stock	162,196	148,373
Warehouse stock and other	17,221	14,962
Total	273,630	243,853
Reserves for the lower of cost or market value of inventory	310	2,400
Titled Inventory [Member]
Crude oil and feedstocks	7,817	17,924
Refined products and blend stock	34,116	29,998
Warehouse stock and other	17,221	14,962
Total	59,154	62,884
Supply and Exchange Agreements [Member]
Crude oil and feedstocks	86,396	62,594	[1]
Refined products and blend stock	128,080	118,375	[1]
Warehouse stock and other	0	0	[1]
Total	$ 214,476	$ 180,969	[1]

[1] Please read Note 7—Inventory Financing Agreements for further information.