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Summary of Significant Accounting Policies (Narrative) (Details) | 2 Months Ended | 12 Months Ended
--- | --- | ---
Feb. 28, 2024 USD ($) | Dec. 31, 2023 USD ($) | Dec. 31, 2022 USD ($) site | Dec. 31, 2021 USD ($)
Summary of Significant Accounting Policies [Line Items] |  |  |  |
Gain (loss) on sale of investments |  | $ 0 | $ 0 |
Interest cost capitalized |  | $ 900,000 | 600,000 | $ 500,000
Intangible assets, useful life |  | 15 years |  |
Impairment charge recognized, related to long-lived assets |  | $ 169,400,000 | 43,200,000 | 33,000,000.0
Impairment Long Lived Asset Held For Use Statement Of Income Or Comprehensive Income Extensible Enumeration Not Disclosed Flag |  | impairment charges |  |
Asset retirement obligation |  | $ 119,300,000 | 79,800,000 |
Accounts receivable, net |  | 182,746,000 | 184,368,000 |
Unamortized deferred lease costs |  | 3,200,000 | 3,300,000 | 2,900,000
Amortization expense |  | 2,300,000 | 1,900,000 | 1,400,000
Deferred lease costs |  | 8,700,000 | 7,700,000 |
Gain (loss) on remeasurement of U.S. dollar denominated intercompany loan |  | 52,400,000 | (12,900,000) | (44,300,000)
Intercompany loans funded |  | 4,200,000 |  |
Repayment of debt |  | 223,400,000 |  |
Intercompany foreign currency outstanding balance |  | $ 1,300,000 | 1,500,000 |
Minimum [Member] |  |  |  |
Summary of Significant Accounting Policies [Line Items] |  |  |  |
Acquired intangible assets, useful life |  | 1 year |  |
Operating lease term |  | 5 years |  |
Minimum [Member] | Towers and Related Assets [Member] |  |  |  |
Summary of Significant Accounting Policies [Line Items] |  |  |  |
Estimated useful lives |  | 3 years |  |
Maximum [Member] |  |  |  |
Summary of Significant Accounting Policies [Line Items] |  |  |  |
Business acquisitions period after closing date to determine additional adjustments |  | 1 year |  |
Acquired intangible assets, useful life |  | 3 years |  |
Operating lease term |  | 15 years |  |
Maximum [Member] | Towers and Related Assets [Member] |  |  |  |
Summary of Significant Accounting Policies [Line Items] |  |  |  |
Estimated useful lives |  | 15 years |  |
Site Development Revenue [Member] |  |  |  |
Summary of Significant Accounting Policies [Line Items] |  |  |  |
Accounts receivable, net |  | $ 32,300,000 | $ 59,600,000 |
Segment Concentration Risk [Member] | Domestic Site Leasing [Member] | Revenue [Member] |  |  |  |
Summary of Significant Accounting Policies [Line Items] |  |  |  |
Concentration risk percentage |  | 93.00% |  |
Segment Concentration Risk [Member] | Site Development Revenue [Member] | Revenue [Member] |  |  |  |
Summary of Significant Accounting Policies [Line Items] |  |  |  |
Concentration risk percentage |  | 7.00% |  |
Exclusive Right to Lease and Operate Utility Transmission Structures [Member] |  |  |  |
Summary of Significant Accounting Policies [Line Items] |  |  |  |
Consideration transferred |  |  |  | $ 950,500,000
Airtel Tanzania [Member] |  |  |  |
Summary of Significant Accounting Policies [Line Items] |  |  |  |
Number of utility transmission structures acquired | site |  |  | 1,445 |
Consideration transferred |  |  | $ 176,100,000 |
Subsequent Event [Member] |  |  |  |
Summary of Significant Accounting Policies [Line Items] |  |  |  |
Repayment of debt | $ 15,000,000.0 |  |  |

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