| Standard label: | Derivative Credit Risk Valuation Adjustment, Derivative Assets |
| Name: | us-gaap:DerivativeCreditRiskValuationAdjustmentDerivativeAssets |
| Documentation: | Amount of credit risk valuation adjustment to derivative assets to properly reflect the credit quality of the counterparties. |
| Object type: | cm:Concept |
| Data type: | Monetary (xbrli:monetaryItemType) |
| Period type: | As Of (instant) |
| Balance type: | Credit |
| Abstract: | false |
| Workiva Wdesk Taxonomy Analyzer: | us-gaap:DerivativeCreditRiskValuationAdjustmentDerivativeAssets |
| Label | Role | Language |
| Derivative Credit Risk Valuation Adjustment, Derivative Assets | http://www.xbrl.org/2003/role/label | en-US |
| Reference | Role | Topic |