Quarterly report pursuant to Section 13 or 15(d)

4. Derivatives (Tables)

v3.5.0.2
4. Derivatives (Tables)
9 Months Ended
Sep. 30, 2016
Derivative Instruments and Hedging Activities Disclosure [Abstract]  
Schedule of Derivatives Not Designated as Hedging Instruments

    As of September 30, 2016
    Assets   Liabilities
Type of Instrument   Balance Sheet Location   Fair
Value
  Balance Sheet Location   Fair
Value
                     
Commodity contracts   Derivative instruments   $ 3,242   Derivative instruments   $ 3,492
        $ 3,242       $ 3,492

 

 

    As of December 31, 2015
    Assets   Liabilities
Type of Instrument   Balance Sheet Location   Fair
Value
  Balance Sheet Location   Fair
Value
                     
Commodity contracts   Derivative instruments   $ 2,081   Derivative instruments   $ 1,848
        $ 2,081       $ 1,848

 

Schedule of Recognized Gains (Losses) for Derivatives

    Realized Gains (Losses)  
      Three Months Ended September 30,  
Type of Instrument   Statements of Operations Location   2016     2015  
Commodity contracts   Cost of goods sold   $ 2,242     $ (251 )
        $ 2,242     $ (251 )
                     
   

Unrealized Losses

      Three Months Ended September 30,  
Type of Instrument   Statements of Operations Location   2016     2015  
Commodity contracts   Cost of goods sold   $ (1,383 )   $ (824 )
        $ (1,383 )   $ (824 )
                     
   

Realized Gains (Losses)

 
        Nine Months Ended September 30,  
Type of Instrument   Statements of Operations Location   2016     2015  
Commodity contracts   Cost of goods sold   $ 2,152     $ (101 )
        $ 2,152     $ (101 )
                     
   

Unrealized Losses

 
        Nine Months Ended September 30,
Type of Instrument   Statements of Operations Location   2016 2015
Commodity contracts   Cost of goods sold   $ (483 )   $ (1,451 )
        $ (483 )   $ (1,451 )