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Inventories (Detail) - USD ($) $ in Thousands | Dec. 31, 2017 | Dec. 31, 2016
--- | --- | ---
Crude oil and feedstocks | $ 149,984 | $ 61,302
Refined products and blendstock | 172,422 | 116,593
Warehouse stock and other | 22,951 | 20,431
Total | 345,357 | 198,326
Reserves for the lower of cost or market value of inventory | 0 | 200
Titled Inventory |  |
Crude oil and feedstocks | 93,970 | 11,620
Refined products and blendstock | 63,505 | 38,916
Warehouse stock and other | 22,951 | 20,431
Total | 180,426 | 70,967
Supply and Offtake Agreements |  |
Crude oil and feedstocks | 56,014 | 49,682
Refined products and blendstock | 108,917 | 77,677
Warehouse stock and other | 0 | 0
Total | $ 164,931 | $ 127,359

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