| Standard label: | Preferred Stock, Accretion of Redemption Discount |
| Name: | us-gaap:PreferredStockAccretionOfRedemptionDiscount |
| Documentation: | The amount of accretion of the preferred stock redemption discount during the period. |
| 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:PreferredStockAccretionOfRedemptionDiscount |
| Label | Role | Language |
| Preferred Stock, Accretion of Redemption Discount | http://www.xbrl.org/2003/role/label | en-US |
| Reference | Role | Topic |
| Part Of Roll Up: |
| us-gaap:StockholdersEquityPeriodIncreaseDecrease |