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Schedule III - Schedule of Real Estate and Accumulated Depreciation (Schedule of Real Estate and Accumulated Depreciation) (Details) $ in Thousands | 12 Months Ended |  |  |
--- | --- | --- | --- | ---
Dec. 31, 2023 USD ($) site | Dec. 31, 2022 USD ($) | Dec. 31, 2021 USD ($) | Dec. 31, 2020 USD ($)
Description | site | 39,618 |  |  |
Encumbrances | $ 9,388,000 |  |  |
Gross Amount Carried at Close of Current Period | 8,231,510 | $ 7,993,750 | $ 7,068,208 | $ 5,963,048
Accumulated Depreciation at Close of Current Period | $ (4,232,369) | $ (3,925,893) | $ (3,644,238) | $ (3,383,370)
Date of Construction | Various |  |  |
Date Acquired | Various |  |  |
Secured debt | $ 9,400,000 |  |  |
Maximum [Member] |  |  |  |
Life on Which Depreciation in Latest Income Statement is Computed | 70 years |  |  |
Product Concentration Risk [Member] | Minimum [Member] | Real Estate, Gross [Member] | Sites [Member] |  |  |  |
Concentration risk percentage | 5.00% |  |  |

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- Definition Amount of lien or mortgage outstanding on real estate investment properties for entities with a substantial portion of business acquiring and holding investment real estate. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name Regulation S-X (SX) -Number 210 -Section 12 -Subsection 28 -Paragraph Column B -Publisher SEC Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 970 -SubTopic 360 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.12-28(Column B)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479438/970-360-S99-1 + Details
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