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Schedule III - Real Estate and Accumulated Depreciation - Reconciliations (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward] |  |  |
Balance at the Beginning of the Year | $ 3,617,240 | $ 3,472,602 | $ 3,474,109
Additions: |  |  |
Acquisitions | 0 | 0 | 0
Capital expenditures and assets placed into service | 210,226 | 212,874 | 134,931
Less: |  |  |
Dispositions/impairments/placed into redevelopment | (251,190) | (32,951) | (82,247)
Retirements | (34,044) | (35,285) | (54,191)
Balance at the end of the year | 3,542,232 | 3,617,240 | 3,472,602
Per consolidated balance sheet | 3,542,232 | 3,617,240 | 3,472,602
Tax basis of assets, cost for income tax purposes | 3,000,000 | 3,200,000 |
Reconciliation of Real Estate Accumulated Depreciation [Roll Forward] |  |  |
Balance at the beginning of the year | 1,063,060 | 957,450 | 896,561
Additions: |  |  |
Depreciation expense | 158,194 | 147,735 | 136,171
Less: |  |  |
Dispositions/impairments/placed into redevelopment | (55,969) | (7,341) | (24,440)
Retirements | (33,493) | (34,784) | (50,842)
Balance at the end of the year | 1,131,792 | 1,063,060 | 957,450
Per consolidated balance sheet | $ 1,131,792 | $ 1,063,060 | $ 957,450
Leashold Interest Land |  |  |
Less: |  |  |
Lease agreement term (in years) | 99 years |  |
Maximum |  |  |
Less: |  |  |
Useful life (in years) | 55 years |  |

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- Definition Cost basis of real estate investments for federal income tax purposes 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 -Footnote 6 -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(Footnote 6)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479438/970-360-S99-1 + Details
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