- DefinitionThe charge against earnings in the period to reduce the carrying amount of real property to fair value.
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 https://asc.fasb.org/extlink&oid=126954810&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 https://asc.fasb.org/extlink&oid=109226691&loc=d3e2921-110230
| Name: | us-gaap_ImpairmentOfRealEstate | 
| Namespace Prefix: | us-gaap_ | 
| Data Type: | xbrli:monetaryItemType | 
| Balance Type: | debit | 
| Period Type: | duration |