Commitments and Contingencies Tower count as a percentage of total towers (Details)	Jun. 30, 2018
Leased or Operated Under Sprint Master Lease Agreements [Member]
Contractual Terms [Line Items]
Purchase Option, Percentage of Towers	68.00%

Represents the Company's tower count as a percentage of total towers. Inclusive of towers and other structures, such as rooftops.

No definition available.