| **Business and Summary of Significant Accounting Principles (Tables)**              | 9 Months Ended                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          |
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| **Organization, Consolidation and Presentation of Financial Statements [Abstract]** |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    |
| Schedule of Recognized Identified Assets Acquired and Liabilities Assumed           | The following table summarizes the allocation of total consideration transferred to ACS between the AWN NCI Acquisition and the Acquired ACS Assets excluding working capital adjustments (amounts in thousands):Total consideration transfered to ACS $304,838   Allocation of consideration between wireless assets and non-controlling interest acquired:  AWN non-controlling interest $303,831Property and equipment 746Other intangible assets 261Total consideration  $304,838 |
| Changes in Noncontrolling Interest                                                  | The impact of the AWN NCI Acquisition is summarized in the following table (amounts in thousands):Reduction of non-controlling interest $268,364Increase in deferred tax assets 24,028Additional paid-in capital 11,439Fair value of consideration paid for acquisition of equity interest $303,831                                                                                                                                                                                                                 |
| Excise And Sales Taxes                                                              | The following are certain surcharges reported on a gross basis in our Consolidated Statements of Operations (amounts in thousands): Three Months Ended September 30, Nine Months Ended September 30, 2016 2015 2016 2015Surcharges reported gross$951 1,426 2,973 3,960                                                                                                                                                                                                                    |

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Changes in Noncontrolling Interest [Table Text Block]
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Schedule of Consideration Transferred to Acquire Assets and Interest [Table Text Block]
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Tabular disclosure of the surcharges assessed by a governmental authority that are directly imposed on a revenue-producing transaction between us and a customer.
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