| Standard label: | Discontinued Operation, Period of Continuing Involvement after Disposal | 
| Name: | us-gaap:DiscontinuedOperationPeriodOfContinuingInvolvementAfterDisposal | 
| Documentation: | Period of expected continuing involvement with a discontinued operation after the disposal date, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. | 
| Object type: | cm:Concept | 
| Data type: | xbrli:durationItemType | 
| Period type: | For Period (duration) | 
| Balance type: | (no balance type) | 
| Abstract: | false | 
| Workiva Wdesk Taxonomy Analyzer: | us-gaap:DiscontinuedOperationPeriodOfContinuingInvolvementAfterDisposal | 
| Label | Role | Language | 
| Discontinued Operation, Period of Continuing Involvement after Disposal | http://www.xbrl.org/2003/role/label | en-US | 
| Reference | Role | Topic | 
| FASB Accounting Standards Codification 205 20 50 4B (b) | http://fasb.org/us-gaap/role/ref/legacyRef | 205 |