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Financial Instruments (Tables)
6 Months Ended
Jun. 30, 2020
Financial Instruments Disclosure [Abstract]  
Summary of Outstanding Commodity Derivative Contracts

The following table provides the detail of outstanding commodity derivative contracts as of June 30, 2020:

 

Type

 

Unit of measure

 

Contracted

volume

 

 

Contracted

price range

 

Contracted date

of maturity

Benzene swaps

 

U.S. liquid gallon

 

 

924,809

 

 

$1.09-$2.50

 

Aug 2020 - Nov 2020

Diesel swaps

 

U.S. liquid gallon

 

 

3,035,859

 

 

$2.30-$3.16

 

Jul 2020 - Jun 2021