| **Commitments and Contingencies (Notes)**               | 9 Months Ended                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         |
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| **Commitments and Contingencies Disclosure [Abstract]** |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   |
| Commitments and Contingencies Disclosure [Text Block]   | Commitments and ContingenciesOn July 29, 2016, we executed a Membership Interest Purchase Agreement to acquire Kodiak Kenai Cable Company, the owner of the Kodiak Kenai Fiber Link ("KKFL") for consideration of $20.0 million.  KKFL is the only low latency redundant fiber link between Anchorage, the Kenai Peninsula and Kodiak and it will ensure we have diverse, protected network capacity to these markets to support our current and future broadband requirements.  Closing is subject to the consent of the Federal Communications Commission. |

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| - Definition
The entire disclosure for commitments and contingencies.
+ References
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