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Financial Instruments and Fair Value Measurements - Items Measured at Fair Value on a Non-Recurring Basis (Details) $ in Thousands | 12 Months Ended
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Dec. 31, 2021 USD ($) property | Dec. 31, 2020 USD ($) property | Dec. 31, 2019 USD ($) property
Provisions for Impairment |  |  |
Provisions for impairment | $ 38,967 | $ 147,232 | $ 40,186
Number of impaired properties held for sale | property | 16 | 1 | 0
Number of impaired properties held for investment | property | 11 | 34 | 3
Number of impaired properties sold | property | 76 | 64 | 48
Value of properties | $ 25,155,178 | $ 14,696,712 |
COVID-19 impacted properties |  |  |
Provisions for Impairment |  |  |
Provisions for impairment |  | $ 105,000 |
Number of impaired properties held for investment | property |  | 38 |
COVID-19 impacted properties | Theaters |  |  |
Provisions for Impairment |  |  |
Provisions for impairment |  | $ 83,800 |
Number of impaired properties held for investment | property |  | 13 |
Value of properties |  | $ 39,600 | $ 123,400
Other properties |  |  |
Provisions for Impairment |  |  |
Provisions for impairment |  | $ 42,200 |

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- Definition The number of impaired properties sold. + References No definition available. + Details
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- Definition The charge against earnings in the period to reduce the carrying amount of real property to fair value. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3602-108585 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=109226691&loc=d3e2921-110230 + Details
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- Definition Aggregate of the carrying amounts as of the balance sheet date of investments in building and building improvements. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03.1(d)) -URI http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910 + Details
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