| Standard label: | Other Preferred Stock Dividends and Adjustments |
| Name: | us-gaap:OtherPreferredStockDividendsAndAdjustments |
| Documentation: | Amount of preferred stock dividends and adjustments classified as other. |
| Object type: | cm:Concept |
| Data type: | Monetary (xbrli:monetaryItemType) |
| Period type: | For Period (duration) |
| Balance type: | Debit |
| Abstract: | false |
| Workiva Wdesk Taxonomy Analyzer: | us-gaap:OtherPreferredStockDividendsAndAdjustments |
| Label | Role | Language |
| Other Preferred Stock Dividends and Adjustments | http://www.xbrl.org/2003/role/label | en-US |
| Reference | Role | Topic |
| FASB Accounting Standards Codification 260 10 45 11 | http://fasb.org/us-gaap/role/ref/legacyRef | 260 |
| FASB Accounting Standards Codification 505 10 S99 7 (SAB Topic 5.Q) | http://fasb.org/us-gaap/role/ref/legacyRef | 505 |
| Part Of Roll Up: |
| us-gaap:PreferredStockDividendsAndOtherAdjustments |