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cm:Concept: us-gaap:ImpairmentOfRealEstate
Standard label: Impairment of Real Estate
Name: us-gaap:ImpairmentOfRealEstate
Documentation: The charge against earnings in the period to reduce the carrying amount of real property to fair value.
Object type: cm:Concept
Data type: Monetary (xbrli:monetaryItemType)
Period type: For Period (duration)
Balance type: Debit
Abstract: false
Workiva Wdesk Taxonomy Analyzer: us-gaap:ImpairmentOfRealEstate

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Labels
Label Role Language
Impairment of Real Estate http://www.xbrl.org/2003/role/label en-US

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References
Reference Role Topic
FASB Accounting Standards Codification 230 10 45 28 (b) http://www.xbrl.org/2009/role/commonPracticeRef 230
FASB Accounting Standards Codification 360 10 50 2 (b) http://www.xbrl.org/2009/role/commonPracticeRef 360

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Roll Up Relations
Part Of Roll Up:
us-gaap:TangibleAssetImpairmentCharges