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Summary of Significant Accounting Policies (Narrative) (Details) | 3 Months Ended | 12 Months Ended
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Dec. 31, 2024 USD ($) $ / shares | Sep. 30, 2024 $ / shares | Jun. 30, 2024 $ / shares | Mar. 31, 2024 $ / shares | Dec. 31, 2023 USD ($) $ / shares | Sep. 30, 2023 $ / shares | Jun. 30, 2023 $ / shares | Mar. 31, 2023 $ / shares | Dec. 31, 2024 USD ($) $ / shares | Dec. 31, 2023 USD ($) $ / shares | Dec. 31, 2022 USD ($) site $ / shares
Summary of Significant Accounting Policies [Line Items] |  |  |  |  |  |  |  |  |  |  |
Gain (loss) on sale of investments |  |  |  |  |  |  |  |  | $ 0 | $ 0 |
Interest cost capitalized |  |  |  |  |  |  |  |  | $ 800,000 | 900,000 | $ 600,000
Useful life | 30 years |  |  |  |  |  |  |  | 30 years |  |
Impairment charge recognized, related to long-lived assets |  |  |  |  |  |  |  |  | $ 107,900,000 | 169,400,000 | 43,200,000
Impairment Long Lived Asset Held For Use Statement Of Income Or Comprehensive Income Extensible Enumeration Not Disclosed Flag |  |  |  |  |  |  |  |  | impairment charges |  |
Asset retirement obligation | $ 140,900,000 |  |  |  | $ 119,300,000 |  |  |  | $ 140,900,000 | 119,300,000 |
Accounts receivable, net | 145,695,000 |  |  |  | 182,746,000 |  |  |  | 145,695,000 | 182,746,000 |
Unamortized deferred lease costs | 2,100,000 |  |  |  | 3,200,000 |  |  |  | 2,100,000 | 3,200,000 | 3,300,000
Amortization expense | 1,900,000 |  |  |  | 2,300,000 |  |  |  | 1,900,000 | 2,300,000 | 1,900,000
Deferred lease costs | 8,800,000 |  |  |  | 8,700,000 |  |  |  | 8,800,000 | 8,700,000 |
Gain (loss) on remeasurement of U.S. dollar denominated intercompany loan |  |  |  |  |  |  |  |  | (156,800,000) | 52,400,000 | $ 12,900,000
Intercompany loans funded | 9,300,000 |  |  |  |  |  |  |  | 9,300,000 |  |
Repayment of debt |  |  |  |  |  |  |  |  | 177,100,000 |  |
Intercompany foreign currency outstanding balance | $ 1,100,000 |  |  |  | $ 1,300,000 |  |  |  | $ 1,100,000 | $ 1,300,000 |
Estimated useful lives |  |  |  | 15 years |  |  |  |  |  |  |
Increase in diluted shares | $ / shares | $ 1.61 | $ 2.40 | $ 1.51 | $ 1.42 | $ 1.01 | $ 0.80 | $ 1.87 | $ 0.93 | $ 6.94 | $ 4.61 | $ 4.22
Minimum [Member] |  |  |  |  |  |  |  |  |  |  |
Summary of Significant Accounting Policies [Line Items] |  |  |  |  |  |  |  |  |  |  |
Acquired intangible assets, useful life |  |  |  |  |  |  |  |  | 1 year |  |
Operating lease term | 5 years |  |  |  |  |  |  |  | 5 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 |  |  |  |  |  |  |  | 15 years |  |
Site Development Revenue [Member] |  |  |  |  |  |  |  |  |  |  |
Summary of Significant Accounting Policies [Line Items] |  |  |  |  |  |  |  |  |  |  |
Accounts receivable, net | $ 26,400,000 |  |  |  | $ 32,300,000 |  |  |  | $ 26,400,000 | $ 32,300,000 |
Segment Concentration Risk [Member] | Domestic Site Leasing [Member] | Revenue [Member] |  |  |  |  |  |  |  |  |  |  |
Summary of Significant Accounting Policies [Line Items] |  |  |  |  |  |  |  |  |  |  |
Concentration risk percentage |  |  |  |  |  |  |  |  | 94.00% |  |
Segment Concentration Risk [Member] | Site Development Revenue [Member] | Revenue [Member] |  |  |  |  |  |  |  |  |  |  |
Summary of Significant Accounting Policies [Line Items] |  |  |  |  |  |  |  |  |  |  |
Concentration risk percentage |  |  |  |  |  |  |  |  | 6.00% |  |
Airtel Tanzania [Member] |  |  |  |  |  |  |  |  |  |  |
Summary of Significant Accounting Policies [Line Items] |  |  |  |  |  |  |  |  |  |  |
Number of utility transmission structures acquired | site |  |  |  |  |  |  |  |  |  |  | 1,445
Consideration transferred |  |  |  |  |  |  |  |  |  |  | $ 176,100,000
ASC 250 [Member] |  |  |  |  |  |  |  |  |  |  |
Summary of Significant Accounting Policies [Line Items] |  |  |  |  |  |  |  |  |  |  |
Estimated useful lives |  |  |  | 30 years |  |  |  |  |  |  |
Reduction in depreciation and amortization expense |  |  |  |  |  |  |  |  | $ 411,500,000 |  |
Reduction in depreciation and amortization expense after tax |  |  |  |  |  |  |  |  | $ 372,500,000 |  |
Increase in diluted shares | $ / shares |  |  |  |  |  |  |  |  | $ 3.45 |  |

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