| Standard label: | Derivative, Number of Instruments Held |
| Name: | us-gaap:DerivativeNumberOfInstrumentsHeld |
| Documentation: | The number of derivative instruments of a particular group held by the entity. |
| Object type: | cm:Concept |
| Data type: | Integer (xbrli:integerItemType) |
| Period type: | As Of (instant) |
| Balance type: | (no balance type) |
| Abstract: | false |
| Workiva Wdesk Taxonomy Analyzer: | us-gaap:DerivativeNumberOfInstrumentsHeld |
| Label | Role | Language |
| Derivative, Number of Instruments Held | http://www.xbrl.org/2003/role/label | en-US |
| Derivative, Number of Instruments Held, Total | http://www.xbrl.org/2003/role/totalLabel | en-US |
| Reference | Role | Topic |
| FASB Accounting Standards Codification 815 10 50 1A (d) | http://fasb.org/us-gaap/role/ref/legacyRef | 815 |
| FASB Accounting Standards Codification 815 10 50 1B | http://fasb.org/us-gaap/role/ref/legacyRef | 815 |