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Non-controlling Interests (Tables)
6 Months Ended
Jun. 30, 2012
Non-controlling Interest [Abstract]  
Schedule of Variable Interest Entities [Table Text Block]
  Assets Equity
  Carrying Value Classification Carrying Value Classification
 $ 14,804 Restricted cash$ 15,954 Non-controlling interest
   1,742 Construction in progress  592 Retained earnings attributable to General Communication, Inc. common stockholders
 $ 16,546  $ 16,546