| Standard label: | Derivative, Excluded Component, Gain, Recognized in Earnings |
| Name: | us-gaap:DerivativeExcludedComponentGainRecognizedInEarnings |
| Documentation: | Amount of gain from excluded component of derivative hedge, recognized in earnings. Excludes recognition under systematic and rational method. |
| Object type: | cm:Concept |
| Data type: | Monetary (xbrli:monetaryItemType) |
| Period type: | For Period (duration) |
| Balance type: | Credit |
| Abstract: | false |
| Workiva Wdesk Taxonomy Analyzer: | us-gaap:DerivativeExcludedComponentGainRecognizedInEarnings |
| Label | Role | Language |
| Derivative, Excluded Component, Gain, Recognized in Earnings | http://www.xbrl.org/2003/role/label | en-US |
| Reference | Role | Topic |
| FASB Accounting Standards Codification 815 10 50 4C (d) | http://www.xbrl.org/2003/role/disclosureRef | 815 |
| FASB Accounting Standards Codification 815 20 45 1A (b) | http://www.xbrl.org/2003/role/disclosureRef | 815 |
| Part Of Roll Up: |
| us-gaap:DerivativeExcludedComponentGainLossRecognizedInEarnings |