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Financial Instruments (Tables)
3 Months Ended
Mar. 31, 2020
Financial Instruments Disclosure [Abstract]  
Summary of Outstanding Commodity Derivative Contracts

The following table provides the detail of outstanding commodity derivative contracts as of March 31, 2020:

 

Type

 

Unit of measure

 

Contracted

volume

 

 

Contracted

price range

 

Contracted date

of maturity

Benzene swaps

 

U.S. liquid gallon

 

 

1,340,608

 

 

$2.15-$2.59

 

Jun - Sep 2020

Diesel swaps

 

U.S. liquid gallon

 

 

3,540,349

 

 

$2.50-$3.17

 

May 2020 - Mar 2021