Customer Concentration	3 Months Ended
Mar. 31, 2018
Significant Contractual Relationship [Abstract]
Customer Concentration	Customer Concentration Significant Contractual Relationship In 1999, the Company executed a Management Agreement (the “Agreement”) with Sprint whereby the Company committed to construct and operate a PCS network using CDMA air interface technology. Under the Agreement, the Company was the exclusive PCS Affiliate of Sprint providing wireless mobility communications network products and services on the 1900 MHz band in its territory across a multi-state area covering large portions of central and western Virginia, south-central Pennsylvania, West Virginia, and portions of Maryland, North Carolina, Kentucky, and Ohio. Since then, the Company’s wireless service area has expanded to include new portions of south-central and western Virginia, West Virginia, and small portions of Kentucky and Ohio. The Company is authorized to use the Sprint brand in its territory, and operate its network under Sprint’s radio spectrum licenses. As an exclusive PCS Affiliate of Sprint, the Company has the exclusive right to build, own and maintain its portion of Sprint’s nationwide PCS network, in the aforementioned areas, to Sprint’s specifications. The term of the Agreement was initially set for 20 years and was automatically renewable for three 10-year options, unless terminated by either party under provisions outlined in the Agreement. Upon non-renewal by either party, the Company has the obligation to sell the business at 90% of “Entire Business Value” (“EBV”) as defined in the Agreement. EBV is defined as i) the fair market value of a going concern paid by a willing buyer to a willing seller; ii) valued as if the business will continue to utilize existing brands and operate under existing agreements; and, iii) valued as if Manager (Shentel) owns the spectrum. Determination of EBV is made by an independent appraisal process. The Agreement has been amended numerous times. Amendment to the Affiliate agreement related to the acquisition of Expansion Area: Effective with the acquisition of Expansion Area on February 1, 2018, the Company amended its Agreement with Sprint to expand our wireless service area to include certain areas in Kentucky, Pennsylvania, Virginia and West Virginia. The agreement includes certain network build out requirements in the Expansion Area, and the ability to utilize Sprint’s spectrum in the Expansion Area along with certain other amendments to the Affiliate Agreements. Pursuant to the Expansion Agreement, Sprint agreed to, among other things, transition the provision of network coverage in the Expansion Area from Sprint to us.

Customer Concentration

Significant Contractual Relationship

In 1999, the Company executed a Management Agreement (the “Agreement”) with Sprint whereby the Company committed to construct and operate a PCS network using CDMA air interface technology. Under the Agreement, the Company was the exclusive PCS Affiliate of Sprint providing wireless mobility communications network products and services on the 1900 MHz band in its territory across a multi-state area covering large portions of central and western Virginia, south-central Pennsylvania, West Virginia, and portions of Maryland, North Carolina, Kentucky, and Ohio. Since then, the Company’s wireless service area has expanded to include new portions of south-central and western Virginia, West Virginia, and small portions of Kentucky and Ohio. The Company is authorized to use the Sprint brand in its territory, and operate its network under Sprint’s radio spectrum licenses. As an exclusive PCS Affiliate of Sprint, the Company has the exclusive right to build, own and maintain its portion of Sprint’s nationwide PCS network, in the aforementioned areas, to Sprint’s specifications. The term of the Agreement was initially set for 20 years and was automatically renewable for three 10-year options, unless terminated by either party under provisions outlined in the Agreement. Upon non-renewal by either party, the Company has the obligation to sell the business at 90% of “Entire Business Value” (“EBV”) as defined in the Agreement. EBV is defined as i) the fair market value of a going concern paid by a willing buyer to a willing seller; ii) valued as if the business will continue to utilize existing brands and operate under existing agreements; and, iii) valued as if Manager (Shentel) owns the spectrum. Determination of EBV is made by an independent appraisal process. The Agreement has been amended numerous times.

Amendment to the Affiliate agreement related to the acquisition of Expansion Area: Effective with the acquisition of Expansion Area on February 1, 2018, the Company amended its Agreement with Sprint to expand our wireless service area to include certain areas in Kentucky, Pennsylvania, Virginia and West Virginia. The agreement includes certain network build out requirements in the Expansion Area, and the ability to utilize Sprint’s spectrum in the Expansion Area along with certain other amendments to the Affiliate Agreements. Pursuant to the Expansion Agreement, Sprint agreed to, among other things, transition the provision of network coverage in the Expansion Area from Sprint to us.