| Standard label: | Description of Embedded Derivative |
| Name: | us-gaap:DescriptionOfEmbeddedDerivative |
| Documentation: | Description of the embedded derivative instrument that was separated from its host contract and accounted for as a derivative. Includes identification of the embedded features and description of the terms of the instrument. |
| 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:DescriptionOfEmbeddedDerivative |
| Label | Role | Language |
| Description of Embedded Derivative | http://www.xbrl.org/2003/role/label | en-US |
| Reference | Role | Topic |
| FASB Accounting Standards Codification 815 15 25 1 | http://fasb.org/us-gaap/role/ref/legacyRef | 815 |