Inventories - Schedule of Inventory (Details) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Inventory [Line Items]
Crude oil and feedstocks	$ 163,647	$ 266,020
Refined products and blendstock	195,747	286,703
Warehouse stock and other	70,461	63,149
Total	429,855	615,872
RINs and environmental obligations	150,482	22,776
Titled Inventory
Inventory [Line Items]
Crude oil and feedstocks	88,307	117,717
Refined products and blendstock	112,146	127,966
Warehouse stock and other	70,461	63,149
Total	270,914	308,832
Supply and Offtake Agreements
Inventory [Line Items]
Crude oil and feedstocks	75,340	148,303
Refined products and blendstock	83,601	158,737
Warehouse stock and other	0	0
Total	158,941	307,040
Renewable Identification Numbers “RINs” and Environmental Credits
Inventory [Line Items]
Warehouse stock and other	$ 26,700	$ 19,100

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Refined products and blend stock

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Carrying amount as of the balance sheet date of finished goods inventories for petroleum products, crude oil, petrochemical products, and other oil and gas inventories.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Amount after valuation and LIFO reserves of inventory expected to be sold, or consumed within one year or operating cycle, if longer.

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