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Asset Retirement Obligation (Tables)
 6 Months Ended
Jun. 30, 2015
Asset Retirement Obligation Disclosure [Abstract]  
Schedule of Asset Retirement Obligation

Following is a summary of activity recorded during the first six months of 2015 and 2014:

 

In thousands

    2015     2014  

Balance at January 1,

    $ 4,114      $ 5,032   

Accretion

      59        77   

Payments

      (1,905 )      (429 ) 

Downward revision

      (1,000 )      —     

Gain

      (286 )      (86 ) 
  

 

 

    

 

 

  

Balance at June 30,

    $ 982      $ 4,594   
  

 

 

    

 

 

  
Schedule of Consolidated Balance Sheets where Asset Retirement Obligations are Recorded

The following table summarizes the line items in the accompanying condensed consolidated balance sheets where the asset retirement obligations are recorded:

 

     June 30      December 31  

In thousands

    2015      2014  

Other current liabilities

    $ 982       $ 2,855   

Other long-term liabilities

      —           1,259   
  

 

 

     

 

 

  

Total

    $ 982       $ 4,114