| Standard label: | Fair Value, Recurring Basis, Unobservable Input Reconciliation, Net Derivative Asset (Liability), Gain (Loss), Statement of Other Comprehensive Income [Extensible List] |
| Name: | us-gaap:FairValueRecurringBasisUnobservableInputReconciliationNetDerivativeAssetLiabilityGainLossStatementOfOtherComprehensiveIncomeExtensibleList |
| Documentation: | Indicates line item in statement in which other comprehensive income (OCI) is reported that includes gain (loss) from derivative asset (liability) after deduction of derivative liability (asset), measured at fair value using unobservable input (level 3). |
| Object type: | cm:Concept |
| Data type: | srt-types:extensibleListItemType |
| Period type: | For Period (duration) |
| Balance type: | (no balance type) |
| Abstract: | false |
| Workiva Wdesk Taxonomy Analyzer: | us-gaap:FairValueRecurringBasisUnobservableInputReconciliationNetDerivativeAssetLiabilityGainLossStatementOfOtherComprehensiveIncomeExtensibleList |
| Label | Role | Language |
| Fair Value, Recurring Basis, Unobservable Input Reconciliation, Net Derivative Asset (Liability), Gain (Loss), Statement of Other Comprehensive Income [Extensible List] | http://www.xbrl.org/2003/role/label | en-US |
| Reference | Role | Topic |
| FASB Accounting Standards Codification 820 10 50 2 (c)(1a) | http://www.xbrl.org/2003/role/disclosureRef | 820 |