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v3.21.1

Acquisitions (Narrative) (Details) $ in Millions | 1 Months Ended | 3 Months Ended |
--- | --- | --- | ---
May 06, 2021 USD ($) item | Mar. 31, 2021 USD ($) item | Dec. 31, 2020 USD ($)
Business Acquisition [Line Items] |  |  |
Performance targets, maximum potential obligation |  | $ 18.3 | $ 35.0
Other Acquisitions [Member] |  |  |
Business Acquisition [Line Items] |  |  |
Number of towers acquired | item |  | 34 |
Property and equipment |  | $ 2.2 |
Intangible assets |  | 21.1 |
Other net assets and liabilities assumed |  | $ 78.4 |
Subsequent Event [Member] |  |  |
Business Acquisition [Line Items] |  |  |
Number of towers acquired | item | 17 |  |
Cash paid for acquisition | $ 6.0 |  |

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