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Inventories - Schedule of Inventory (Details) - USD ($)
$ in Thousands
Mar. 31, 2021
Dec. 31, 2020
Inventory [Line Items]    
Crude oil and feedstocks $ 248,090 $ 163,647
Refined products and blendstock 251,202 195,747
Warehouse stock and other 79,914 70,461
Total 579,206 429,855
RINs and environmental obligations 259,973 150,482
Titled Inventory    
Inventory [Line Items]    
Crude oil and feedstocks 128,343 88,307
Refined products and blendstock 131,385 112,146
Warehouse stock and other 79,914 70,461
Total 339,642 270,914
Supply and Offtake Agreements    
Inventory [Line Items]    
Crude oil and feedstocks 119,747 75,340
Refined products and blendstock 119,817 83,601
Warehouse stock and other 0 0
Total 239,564 158,941
Renewable Identification Numbers “RINs” and Environmental Credits    
Inventory [Line Items]    
Warehouse stock and other $ 36,300 $ 26,700