| Standard label: | Preferred Stock, Dividend Rate, Percentage |
| Name: | us-gaap:PreferredStockDividendRatePercentage |
| Documentation: | The percentage rate used to calculate dividend payments on preferred stock. |
| Object type: | cm:Concept |
| Data type: | Percent (num:percentItemType) |
| Period type: | For Period (duration) |
| Balance type: | (no balance type) |
| Abstract: | false |
| Workiva Wdesk Taxonomy Analyzer: | us-gaap:PreferredStockDividendRatePercentage |
| Label | Role | Language |
| Preferred Stock, Dividend Rate, Percentage | http://www.xbrl.org/2003/role/label | en-US |
| Reference | Role | Topic |