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Concentration of Credit Risk (Summary of Significant Customers and Percentage of Total Revenue for Specified Time Periods Derived from Such Customers) (Details) - Revenue [Member] | 12 Months Ended
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Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
T-Mobile [Member] | Customer Concentration Risk [Member] |  |  |
Concentration Risk [Line Items] |  |  |
Concentration risk percentage | 30.50% | 32.50% | 36.40%
AT&T Wireless [Member] | Customer Concentration Risk [Member] |  |  |
Concentration Risk [Line Items] |  |  |
Concentration risk percentage | 20.60% | 19.50% | 19.60%
Verizon Wireless [Member] | Customer Concentration Risk [Member] |  |  |
Concentration Risk [Line Items] |  |  |
Concentration risk percentage | 15.10% | 14.60% | 14.50%
Domestic Site Leasing [Member] | Segment Concentration Risk [Member] |  |  |
Concentration Risk [Line Items] |  |  |
Concentration risk percentage | 94.00% |  |
Domestic Site Leasing [Member] | T-Mobile [Member] | Segment Concentration Risk [Member] |  |  |
Concentration Risk [Line Items] |  |  |
Concentration risk percentage | 38.10% | 40.20% | 40.60%
Domestic Site Leasing [Member] | AT&T Wireless [Member] | Segment Concentration Risk [Member] |  |  |
Concentration Risk [Line Items] |  |  |
Concentration risk percentage | 29.60% | 28.60% | 29.00%
Domestic Site Leasing [Member] | Verizon Wireless [Member] | Segment Concentration Risk [Member] |  |  |
Concentration Risk [Line Items] |  |  |
Concentration risk percentage | 20.10% | 19.70% | 20.10%
International Site Leasing [Member] | Telefonica [Member] | Segment Concentration Risk [Member] |  |  |
Concentration Risk [Line Items] |  |  |
Concentration risk percentage | 21.30% | 22.50% | 20.70%
International Site Leasing [Member] | Claro [Member] | Segment Concentration Risk [Member] |  |  |
Concentration Risk [Line Items] |  |  |
Concentration risk percentage | 19.20% | 20.20% | 19.00%
International Site Leasing [Member] | TIM [Member] | Segment Concentration Risk [Member] |  |  |
Concentration Risk [Line Items] |  |  |
Concentration risk percentage | 15.90% | 15.70% | 17.30%
Site Development Revenue [Member] | Segment Concentration Risk [Member] |  |  |
Concentration Risk [Line Items] |  |  |
Concentration risk percentage | 6.00% |  |
Site Development Revenue [Member] | T-Mobile [Member] | Customer Concentration Risk [Member] |  |  |
Concentration Risk [Line Items] |  |  |
Concentration risk percentage | 69.90% | 71.50% | 80.10%
Site Development Revenue [Member] | Verizon Wireless [Member] | Customer Concentration Risk [Member] |  |  |
Concentration Risk [Line Items] |  |  |
Concentration risk percentage | 20.10% | 16.80% | 7.80%

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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 954 -SubTopic 310 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org/1943274/2147478785/954-310-50-2 + Details
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- Definition For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 42 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482810/280-10-50-42 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 21 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482907/825-10-50-21 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 20 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482907/825-10-50-20 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 275 -SubTopic 10 -Section 50 -Paragraph 18 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482861/275-10-50-18 Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 275 -SubTopic 10 -Section 50 -Paragraph 20 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482861/275-10-50-20 + Details
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