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Derivatives (Tables)
12 Months Ended
Dec. 31, 2021
Derivative Instruments and Hedging Activities Disclosure [Abstract]  
Schedule of derivatives not designated as hedging instruments
   As of December 31, 2021
   Assets  Liabilities
Type of Instrument  Balance Sheet Location  Fair Value   Balance Sheet Location  Fair Value 
               
Cash collateral balance  Restricted cash  $11,513         
Commodity contracts  Derivative assets  $15,839   Derivative liabilities  $13,582 

 

   As of December 31, 2020
   Assets  Liabilities
Type of Instrument  Balance Sheet Location  Fair Value   Balance Sheet Location  Fair Value 
               
Cash collateral balance  Restricted cash  $520         
Commodity contracts  Derivative assets  $17,149   Derivative liabilities  $
 

 

Schedule of recognized gains (losses) for derivatives
      Realized Gains (Losses) 
      For the Years Ended December 31, 
Type of Instrument  Statements of Operations Location  2021   2020   2019 
                
Commodity contracts  Cost of goods sold  $32,618   $2,102   $(4,568)
      $32,618   $2,102   $(4,568)

 

      Unrealized Gains (Losses) 
      For the Years Ended December 31, 
Type of Instrument  Statements of Operations Location  2021   2020   2019 
                
Commodity contracts  Cost of goods sold  $(10,999)  $12,678   $5,123 
      $(10,999)  $12,678   $5,123