| Standard label: | Financial Instruments Owned and Pledged as Collateral, Assets, Not Separately Reported, Classification |
| Name: | us-gaap:FinancialInstrumentsOwnedAndPledgedAsCollateralAssetsNotSeparatelyReportedClassification |
| Documentation: | Represents the classification of assets pledged as collateral by the entity and associated liabilities that have not been reclassified and are not separately reported in the statement of financial position. |
| 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:FinancialInstrumentsOwnedAndPledgedAsCollateralAssetsNotSeparatelyReportedClassification |
| Label | Role | Language |
| Financial Instruments Owned and Pledged as Collateral, Assets, Not Separately Reported, Classification | http://www.xbrl.org/2003/role/label | en-US |
| Reference | Role | Topic |
| FASB Accounting Standards Codification 860 30 50 1A | http://fasb.org/us-gaap/role/ref/legacyRef | 860 |