| Standard label: | Derivative Asset, Notional Amount |
| Name: | us-gaap:DerivativeAssetNotionalAmount |
| Documentation: | Nominal or face amount used to calculate payments on the derivative asset. |
| Object type: | cm:Concept |
| Data type: | Monetary (xbrli:monetaryItemType) |
| Period type: | As Of (instant) |
| Balance type: | (no balance type) |
| Abstract: | false |
| Workiva Wdesk Taxonomy Analyzer: | us-gaap:DerivativeAssetNotionalAmount |
| Label | Role | Language |
| Derivative Asset, Notional Amount | http://www.xbrl.org/2003/role/label | en-US |
| Reference | Role | Topic |
| FASB Accounting Standards Codification 815 10 50 1B | http://www.xbrl.org/2009/role/commonPracticeRef | 815 |
| FASB Accounting Standards Codification 815 10 50 1A (b) | http://www.xbrl.org/2009/role/commonPracticeRef | 815 |
| FASB Accounting Standards Codification 815 10 50 1A (d) | http://www.xbrl.org/2009/role/commonPracticeRef | 815 |