| Standard label: | Derivative Instruments, Loss Reclassified from Accumulated OCI into Income, Effective Portion |
| Name: | us-gaap:DerivativeInstrumentsLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortion |
| Documentation: | The effective portion of loss reclassified from accumulated other comprehensive income into income on derivative instruments designated and qualifying as hedging instruments. |
| Object type: | cm:Concept |
| Data type: | Monetary (xbrli:monetaryItemType) |
| Period type: | For Period (duration) |
| Balance type: | Debit |
| Abstract: | false |
| Workiva Wdesk Taxonomy Analyzer: | us-gaap:DerivativeInstrumentsLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortion |
| Label | Role | Language |
| Derivative Instruments, Loss Reclassified from Accumulated OCI into Income, Effective Portion | http://www.xbrl.org/2003/role/label | en-US |
| Reference | Role | Topic |
| FASB Accounting Standards Codification 815 10 50 4C (c) | http://fasb.org/us-gaap/role/ref/legacyRef | 815 |
| Part Of Roll Up: |
| us-gaap:DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet |