- DefinitionAmount of accumulated impairment loss for an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.
Reference 1: http://www.xbrl.org/2003/role/exampleRef
 -Topic 350
 -SubTopic 20
 -Name Accounting Standards Codification
 -Section 55
 -Paragraph 24
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
 -Topic 350
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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
 -Topic 350
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 -URI https://asc.fasb.org//1943274/2147482573/350-20-50-1
| Name: | us-gaap_GoodwillImpairedAccumulatedImpairmentLoss | 
| Namespace Prefix: | us-gaap_ | 
| Data Type: | xbrli:monetaryItemType | 
| Balance Type: | credit | 
| Period Type: | instant |