| Standard label: | Cash Flow Hedge Gain (Loss) to be Reclassified within Twelve Months |
| Name: | us-gaap:CashFlowHedgeGainLossToBeReclassifiedWithinTwelveMonths |
| Documentation: | The estimated net amount of existing gains or losses on cash flow hedges at the reporting date expected to be reclassified to earnings within the next 12 months. |
| 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:CashFlowHedgeGainLossToBeReclassifiedWithinTwelveMonths |
| Label | Role | Language |
| Cash Flow Hedge Gain (Loss) to be Reclassified within Twelve Months | http://www.xbrl.org/2003/role/label | en-US |
| Reference | Role | Topic |
| FASB Accounting Standards Codification 815 30 50 1 (c) | http://fasb.org/us-gaap/role/ref/legacyRef | 815 |