| Standard label: | Preferred Stock, Participation Rights |
| Name: | us-gaap:PreferredStockParticipationRights |
| Documentation: | Describe the contractual rights of preferred stockholders to receive dividends or returns from the entity's profits, cash flows, or returns on investments. |
| 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:PreferredStockParticipationRights |
| Label | Role | Language |
| Preferred Stock, Participation Rights | http://www.xbrl.org/2003/role/label | en-US |
| Reference | Role | Topic |