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Inventories (Details) - USD ($) | Jun. 30, 2020 | Dec. 31, 2019
--- | --- | ---
Inventory [Line Items] |  |
Crude oil and feedstocks | $ 192,836,000 | $ 266,020,000
Refined products and blendstock | 171,335,000 | 286,703,000
Warehouse stock and other | 63,508,000 | 63,149,000
Total | 427,679,000 | 615,872,000
RINs and environmental obligations | 68,900,000 | 22,800,000
Reserves for the lower of cost or market value of inventory | 24,000,000.0 | 0
LIFO reserve |  | 6,400,000
Titled Inventory |  |
Inventory [Line Items] |  |
Crude oil and feedstocks | 94,718,000 | 117,717,000
Refined products and blendstock | 85,881,000 | 127,966,000
Warehouse stock and other | 63,508,000 | 63,149,000
Total | 244,107,000 | 308,832,000
Supply and Offtake Agreements |  |
Inventory [Line Items] |  |
Crude oil and feedstocks | 98,118,000 | 148,303,000
Refined products and blendstock | 85,454,000 | 158,737,000
Warehouse stock and other | 0 | 0
Total | 183,572,000 | 307,040,000
Renewable Identification Numbers “RINs” |  |
Inventory [Line Items] |  |
Warehouse stock and other | $ 17,800,000 | $ 19,100,000

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