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Inventories (Tables)
6 Months Ended
Jun. 30, 2021
Inventory Disclosure [Abstract]  
Schedule of Inventories Inventories at June 30, 2021 and December 31, 2020 consisted of the following (in thousands):
Titled InventorySupply and Offtake Agreements (1)Total
June 30, 2021
Crude oil and feedstocks$73,378 $201,847 $275,225 
Refined products and blendstock122,872 120,557 243,429 
Warehouse stock and other (2)105,499 — 105,499 
Total$301,749 $322,404 $624,153 
December 31, 2020
Crude oil and feedstocks$88,307 $75,340 $163,647 
Refined products and blendstock112,146 83,601 195,747 
Warehouse stock and other (2)70,461 — 70,461 
Total$270,914 $158,941 $429,855 
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(1)Please read Note 7—Inventory Financing Agreements for further information.
(2)Includes $60.6 million and $26.7 million of RINs and environmental credits, reported at cost, as of June 30, 2021 and December 31, 2020, respectively. RINs and environmental obligations of $354.5 million and $150.5 million, reported at market value, are included in Other accrued liabilities on our condensed consolidated balance sheets as of June 30, 2021 and December 31, 2020, respectively.