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Related Parties
3 Months Ended
Mar. 31, 2014
Related Party Transactions [Abstract]  
Related Parties
Related Party Transactions — A member of our Board of Directors also served as a director for an entity that leases transmission tower sites to the Company. During the fourth quarter of 2013, this entity acquired one of our vendors, Global Tower Partners. For the three months ended March 31, 2014 and 2013, we incurred $1.1 million and $1.0 million, respectively, to that entity in site rent expenses that were included in service, rental and maintenance expenses.