| Standard label: | Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, Tax |
| Name: | us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationTax |
| Documentation: | Amount of tax expense (benefit) for reclassification of gain (loss) from accumulated other comprehensive income (AOCI) for derivative instrument designated and qualifying as cash flow hedge included in assessment of hedge effectiveness. |
| 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:OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationTax |
| Label | Role | Language |
| Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, Tax | http://www.xbrl.org/2003/role/label | en-US |
| Reference | Role | Topic |
| FASB Accounting Standards Codification 220 10 45 12 | http://www.xbrl.org/2003/role/disclosureRef | 220 |