| Standard label: | Disposal Group, Including Discontinued Operation, Interest Income |
| Name: | us-gaap:DisposalGroupIncludingDiscontinuedOperationInterestIncome |
| Documentation: | Amount of interest income attributable to disposal group, including, but not limited to, discontinued operation. |
| 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:DisposalGroupIncludingDiscontinuedOperationInterestIncome |
| Label | Role | Language |
| Disposal Group, Including Discontinued Operation, Interest Income | http://www.xbrl.org/2003/role/label | en-US |
| Reference | Role | Topic |
| FASB Accounting Standards Codification 205 20 50 5B (b) | http://fasb.org/us-gaap/role/ref/legacyRef | 205 |
| Part Of Roll Up: |
| us-gaap:DiscontinuedOperationIncomeLossFromDiscontinuedOperationDuringPhaseOutPeriodBeforeIncomeTax |