| Standard label: | Securities Borrowed, Decrease |
| Name: | us-gaap:SecuritiesBorrowedDecrease |
| Documentation: | Amount of decrease in security borrowed from settlement of transaction. |
| Object type: | cm:Concept |
| Data type: | Monetary (xbrli:monetaryItemType) |
| Period type: | For Period (duration) |
| Balance type: | Credit |
| Abstract: | false |
| Workiva Wdesk Taxonomy Analyzer: | us-gaap:SecuritiesBorrowedDecrease |
| Label | Role | Language |
| Securities Borrowed, Decrease | http://www.xbrl.org/2003/role/label | en-US |
| Reference | Role | Topic |
| FASB Accounting Standards Codification 326 20 50 11 (i) | http://www.xbrl.org/2003/role/disclosureRef | 326 |