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Summary of Significant Accounting Policies - Schedule of Provision for Impairment (Details) $ in Thousands |  | 12 Months Ended
--- | --- | ---
Dec. 31, 2019 USD ($) property | Dec. 31, 2020 USD ($) property | Dec. 22, 2019 USD ($) property
Organization, Consolidation and Presentation of Financial Statements [Abstract] |  |  |
Provisions for impairment | $ | $ 0 | $ 2,690 | $ 7,186
Number of properties |  |  |
Classified as held for sale | 0 | 5 | 2
Disposed within the period | 0 | 3 | 4

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- Definition Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3602-108585 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 45 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=109226348&loc=d3e2420-110228 + Details
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