| Standard label: | Derivative, Underlying |
| Name: | us-gaap:DerivativeUnderlying |
| Documentation: | The underlying refers to the price on the security, commodity, index, or other variable specified by the contract. |
| 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:DerivativeUnderlying |
| Label | Role | Language |
| Derivative, Underlying | http://www.xbrl.org/2003/role/label | en-US |
| Reference | Role | Topic |