Major Customer	12 Months Ended
Dec. 31, 2016
Risks and Uncertainties [Abstract]
Major Customer	Major Customer The Company has one major customer relationship with Sprint that is a significant source of revenue. Approximately 69% of total operating revenues for the year ended December 31, 2016, 56% of total operating revenues for the year ended December 31, 2015, and 58% of total operating revenues for the year ended December 31, 2014, were generated by or through Sprint and its customers using the Company's portion of Sprint’s nationwide PCS network.

Major Customer

12 Months Ended

Dec. 31, 2016

The Company has one major customer relationship with Sprint that is a significant source of revenue. Approximately 69% of total operating revenues for the year ended December 31, 2016, 56% of total operating revenues for the year ended December 31, 2015, and 58% of total operating revenues for the year ended December 31, 2014, were generated by or through Sprint and its customers using the Company's portion of Sprint’s nationwide PCS network.