| Standard label: | Variable Interest Entity, Extent of or Lack of Recourse |
| Name: | us-gaap:VariableInterestEntityExtentOfOrLackOfRecourse |
| Documentation: | The degree to which creditors (or beneficial interest holders) of the Variable Interest Entity (VIE) have recourse against the general credit of the primary beneficiary. |
| Object type: | cm:Concept |
| Data type: | Text/String (xbrli:stringItemType) |
| Period type: | For Period (duration) |
| Balance type: | (no balance type) |
| Abstract: | false |
| Workiva Wdesk Taxonomy Analyzer: | us-gaap:VariableInterestEntityExtentOfOrLackOfRecourse |
| Label | Role | Language |
| Variable Interest Entity, Extent of or Lack of Recourse | http://www.xbrl.org/2003/role/label | en-US |
| Reference | Role | Topic |
| FASB Accounting Standards Codification 810 10 50 3 c | http://fasb.org/us-gaap/role/ref/legacyRef | 810 |