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Fair Value Measurements
9 Months Ended
Sep. 30, 2012
Fair Value Measurements

9. Fair Value Measurements

The Company’s assets and liabilities measured at fair value on a recurring basis as of September 30, 2012, and the basis for that measurement is as follows:

 

     Carrying Value      Fair Value
Measurement
     Quoted Prices in
Active Markets
for
Identical Asset
(Level 1)
     Significant
Other
Observable
Inputs
(Level 2)
     Significant
Unobservable
Inputs
(Level 3)
 

Assets:

              

Available-for-sale securities

   $ 649       $ 649       $ 649       $ —         $ —     

Other current assets

     74         74         —           74         —     

Liabilities:

              

Derivative liabilities

     1,818         1,818         —           1,818         —     

As of September 30, 2012, the total carrying value and estimated fair value of the senior notes which are not measured at fair value on a recurring basis were $201,586 thousand and $230,171 thousand, respectively. The estimated fair value is based on Level 2 inputs.