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SUBSEQUENT EVENTS (Details) - Subsequent event - Disposal Group, Disposed of by Sale, Not Discontinued Operations - Asset Purchase Agreement $ in Millions |  | 6 Months Ended
--- | --- | ---
May 04, 2018 item | Jun. 30, 2018 USD ($)
Forecast |  |
SUBSEQUENT EVENT |  |
Gain on sale of cell sites |  | $ 15.0
U.S. Telecom |  |
SUBSEQUENT EVENT |  |
Cell sites within buildout arrangement | item | 100 |
U.S. Telecom | Forecast |  |
SUBSEQUENT EVENT |  |
Additional cash proceeds from transaction |  | $ 0.0

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- Definition Number of cell sites within buildout arrangement. + References No definition available. + Details
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- Definition Amount of gain (loss) on sale or disposal of assets, including but not limited to property plant and equipment, intangible assets and equity in securities of subsidiaries or equity method investee. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 45 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=68055307&loc=d3e2443-110228 + Details
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