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Derivative Financial Instruments, Investments and Fair Value Measurements - Additional Information (Details)
Mar. 31, 2020
derivative
Commodity Swap Postions  
Derivative [Line Items]  
Outstanding positions 0
Forward Contracts | Purchase Commitments  
Derivative [Line Items]  
Outstanding positions 3,000,000
Forward Contracts | Sale Commitments  
Derivative [Line Items]  
Outstanding positions 1,000,000
RINs  
Derivative [Line Items]  
Outstanding positions 71,000,000