| Standard label: | Discontinued Operation, Intra-Entity Amounts, Discontinued Operation after Disposal, Revenue | 
| Name: | us-gaap:DiscontinuedOperationIntraEntityAmountsDiscontinuedOperationAfterDisposalRevenue | 
| Documentation: | Amount of revenue in continuing operations related to continuing involvement in a discontinued operation after disposal that before the disposal was eliminated as intra-entity transactions. | 
| Object type: | cm:Concept | 
| Data type: | Monetary (xbrli:monetaryItemType) | 
| Period type: | For Period (duration) | 
| Balance type: | Credit | 
| Abstract: | false | 
| Workiva Wdesk Taxonomy Analyzer: | us-gaap:DiscontinuedOperationIntraEntityAmountsDiscontinuedOperationAfterDisposalRevenue | 
| Label | Role | Language | 
| Discontinued Operation, Intra-Entity Amounts, Discontinued Operation after Disposal, Revenue | http://www.xbrl.org/2003/role/label | en-US | 
| Reference | Role | Topic | 
| FASB Accounting Standards Codification 205 20 50 4B (c)(2) | http://fasb.org/us-gaap/role/ref/legacyRef | 205 |