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Asset Retirement Obligation (Tables)
 12 Months Ended
Dec. 31, 2015
Asset Retirement Obligation Disclosure [Abstract]  
Schedule of Asset Retirement Obligation

Following is a summary of the reserve for asset retirement obligations for the periods indicated:

 

In thousands

      2015         2014   

Balance at January 1,

    $ 4,114       $ 5,032   

Accretion

      58         145   

Payments

      (2,394 )       (827 ) 

Downward revision

      (1,000 )       –   

Gain

      (359 )       (236 ) 

Balance at December 31,

    $ 419       $ 4,114   

Schedule of Consolidated Balance Sheets where Asset Retirement Obligations are Recorded

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

 

     December 31  

In thousands

      2015         2014   

Other current liabilities

    $ 419       $ 2,855   

Other long-term liabilities

      –         1,259   

Total

    $ 419       $ 4,114