| Standard label: | Derivative Liability, Collateral, Right to Reclaim Cash, Offset |
| Name: | us-gaap:DerivativeLiabilityCollateralRightToReclaimCashOffset |
| Documentation: | Amount of right to receive cash collateral under master netting arrangements offset against derivative liabilities. |
| Object type: | cm:Concept |
| Data type: | Monetary (xbrli:monetaryItemType) |
| Period type: | As Of (instant) |
| Balance type: | Debit |
| Abstract: | false |
| Workiva Wdesk Taxonomy Analyzer: | us-gaap:DerivativeLiabilityCollateralRightToReclaimCashOffset |
| Label | Role | Language |
| Derivative Liability, Collateral, Right to Reclaim Cash, Offset | http://www.xbrl.org/2003/role/label | en-US |
| Reference | Role | Topic |
| FASB Accounting Standards Codification 210 20 50 3 (b) | http://fasb.org/us-gaap/role/ref/legacyRef | 210 |
| FASB Accounting Standards Codification 815 10 45 5 | http://fasb.org/us-gaap/role/ref/legacyRef | 815 |