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Related Parties	3 Months Ended
Related Parties	Mar. 31, 2018
Related Party Transactions [Abstract]
Related Parties	RELATED PARTIES A member of our Board of Directors also serves as a director for an entity that leases transmission tower sites to the Company. For the three months ended March 31, 2018 and 2017, we incurred site rent expenses of $0.9 million and $1.0 million, respectively, from the entity on which the individual serves as a director. Site rent expenses are included in Service, Rental and Maintenance expenses on the Condensed Consolidated Statement of Operations.