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Schedule III - Real Estate and Accumulated Depreciation (Parenthetical) (Details) - USD ($) | 12 Months Ended |
--- | --- | ---
Dec. 31, 2020 | Dec. 31, 2019
Real Estate And Accumulated Depreciation [Line Items] |  |
Furniture, fixtures and equipment | $ 1,970,033,000 | $ 1,916,458,000
Land and depreciable property net | 13,800,000,000 | $ 13,700,000,000
Depreciable Property [Member] |  |
Real Estate And Accumulated Depreciation [Line Items] |  |
Furniture, fixtures and equipment | $ 1,970,033,328 |
Building [Member] |  |
Real Estate And Accumulated Depreciation Abstract |  |
Property, Plant and Equipment, Estimated Useful Lives | 30 years |
Renovations and Improvements Minimum [Member] |  |
Real Estate And Accumulated Depreciation Abstract |  |
Property, Plant and Equipment, Estimated Useful Lives | 5 years |
Renovations and Improvements Maximum [Member] |  |
Real Estate And Accumulated Depreciation Abstract |  |
Property, Plant and Equipment, Estimated Useful Lives | 15 years |
Replacements Minimum [Member] |  |
Real Estate And Accumulated Depreciation Abstract |  |
Property, Plant and Equipment, Estimated Useful Lives | 5 years |
Replacements Maximum [Member] |  |
Real Estate And Accumulated Depreciation Abstract |  |
Property, Plant and Equipment, Estimated Useful Lives | 10 years |
Management Business Renovations and Improvements Minimum [Member] |  |
Real Estate And Accumulated Depreciation Abstract |  |
Property, Plant and Equipment, Estimated Useful Lives | 3 years |
Management Business Renovations and Improvements Maximum [Member] |  |
Real Estate And Accumulated Depreciation Abstract |  |
Property, Plant and Equipment, Estimated Useful Lives | 7 years |

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- Definition Carrying value of land and property after the effect of depreciation for Federal Income Tax purposes. + References No definition available. + Details
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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 No definition available. + Details
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- Definition Amount before accumulated depreciation of fixtures and equipment. Includes, but is not limited to, machinery, equipment, and engines. + References No definition available. + Details
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- Definition Useful life on which depreciation was computed for entities with a substantial portion of business acquiring and holding investment real estate, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 970 -SubTopic 360 -Section S99 -Paragraph 1 -Subparagraph (SX 210.12-28(Column I)) -URI http://asc.fasb.org/extlink&oid=120402810&loc=d3e638233-123024 + Details
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