| Standard label: | Derivative Asset (Liability) Net, Change in Valuation Technique [true false] |
| Name: | us-gaap:DerivativeAssetLiabilityNetChangeInValuationTechnique |
| Documentation: | Indicates (true false) whether valuation technique or approach changed for measuring net derivative asset (liability). |
| Object type: | cm:Concept |
| Data type: | Yes/No (xbrli:booleanItemType) |
| Period type: | As Of (instant) |
| Balance type: | (no balance type) |
| Abstract: | false |
| Workiva Wdesk Taxonomy Analyzer: | us-gaap:DerivativeAssetLiabilityNetChangeInValuationTechnique |
| Label | Role | Language |
| Derivative Asset (Liability) Net, Change in Valuation Technique [true false] | http://www.xbrl.org/2003/role/label | en-US |
| Reference | Role | Topic |
| FASB Accounting Standards Codification 820 10 50 2 (bbb)(1) | http://www.xbrl.org/2009/role/commonPracticeRef | 820 |