| Standard label: | Comprehensive Income (Loss), Net of Tax, Attributable to Parent |
| Name: | us-gaap:ComprehensiveIncomeNetOfTax |
| Documentation: | Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners. |
| 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:ComprehensiveIncomeNetOfTax |
| Label | Role | Language |
| Comprehensive Income (Loss), Net of Tax, Attributable to Parent | http://www.xbrl.org/2003/role/label | en-US |
| Comprehensive Income (Loss), Net of Tax, Attributable to Parent, Total | http://www.xbrl.org/2003/role/totalLabel | en-US |
| Reference | Role | Topic |
| FASB Accounting Standards Codification 220 10 45 1B (b) | http://www.xbrl.org/2003/role/disclosureRef | 220 |
| FASB Accounting Standards Codification 220 10 45 1A (c) | http://www.xbrl.org/2003/role/disclosureRef | 220 |
| FASB Accounting Standards Codification 220 10 45 5 | http://fasb.org/us-gaap/role/ref/legacyRef | 220 |