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Impairments - Narrative (Details) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2019 USD ($) property | Jun. 30, 2018 USD ($) property | Jun. 30, 2019 USD ($) property | Jun. 30, 2018 USD ($) property
Property, Plant and Equipment [Abstract] |  |  |  |
Provisions for impairment | $ | $ 13,061 | $ 3,951 | $ 17,733 | $ 18,172
Number of impaired properties held for sale | 8 |  | 10 |
Number of impaired properties held for investment | 2 | 1 | 2 | 2
Number of impaired properties sold | 4 | 17 | 12 | 23

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- Definition The number of impaired properties held-for-investment. + References No definition available. + Details
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- Definition The number of impaired properties held for sale. + References No definition available. + Details
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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=118932676&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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- References No definition available. + Details
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