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1039 - Disclosure - Asset Retirement Obligations (Tables)
(http://www.alsk.com/taxonomy/role/NotesToFinancialStatementsAssetRetirementObligationDisclosureTextBlockTables)
Table(Implied)
Slicers (applies to each fact value in each table cell)
Reporting Entity [Axis]0001089511 (http://www.sec.gov/CIK)
Asset Retirement Obligation Disclosure [Abstract]Period [Axis]
2016-01-01 - 2016-12-31
Asset Retirement Obligation Disclosure [Abstract]
 
Schedule of Changes in Asset Retirement Obligation

The following table provides the changes in the asset retirement obligation:

 

     2016      2015  

Balance at January 1

    $ 3,429      $ 4,055  

Asset retirement obligation

      159        254  

Accretion expense

      182        179  

Settlement of obligations

      (62 )       (106 ) 

Revisions in estimated cash flows

      —          (953 ) 
  

 

 

     

 

 

  

Balance at December 31

    $ 3,708      $ 3,429