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Fair Value of Financial Instruments (Tables)
 3 Months Ended
Mar. 31, 2013
Summary of Fair Values of Assets and Liabilities on a Recurring Basis

The following table provides a summary as of March 31, 2013 of assets and liabilities measured at fair value on a recurring basis:

 

 

 

 

 

 

 

 

 

Level 1

Level 2

Level 3

Total

 

 

 

 

 

Assets

 

 

 

 

Derivative instruments -

 

 

 

 

Commodity forward contracts             

$              -             

$              3,399             

$              -             

$              3,399             

 

 

 

 

 

Total assets at fair value             

$              -             

$              3,399             

$              -             

$              3,399             

 

 

 

 

 

 

 

 

 

 

Liabilities

 

 

 

 

Derivative instruments -

 

 

 

 

Commodity forward contracts             

$              -             

$              (648)

$              -             

$              (648)

Interest rate swap             

$              -             

$              (533)

$              -             

$              (533)

 

 

 

 

 

Total liabilities at fair value             

$              -             

$              (1,181)

$              -             

$              (1,181)