Annual report pursuant to Section 13 and 15(d)

Asset Retirement Obligations (Tables)

v2.4.0.6
Asset Retirement Obligations (Tables)
12 Months Ended
Dec. 31, 2012
Asset Retirement Obligations [Abstract]  
Estimated fair value of the Company's asset retirement obligations
                         
(In Thousands)   Year Ended December 31,  
    2012     2011     2010  

Balances at January 1,

  $ 14,528     $ 13,425     $ 10,666  

Accretion Expense

    814       1,014       825  

Additions

    770       96       2,016  

Revisions

    (5,744     (7     (82
   

 

 

   

 

 

   

 

 

 

Balance December 31,

  $ 10,368     $ 14,528     $ 13,425