| Standard label: | Income (Loss), Including Portion Attributable to Noncontrolling Interest, before Tax |
| Name: | us-gaap:IncomeLossIncludingPortionAttributableToNoncontrollingInterest |
| Documentation: | Amount, before tax, of income (loss) including portion attributable to noncontrolling interest. Includes, but is not limited to, income (loss) from continuing operations, discontinued operations and equity method investments. |
| 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:IncomeLossIncludingPortionAttributableToNoncontrollingInterest |
| Label | Role | Language |
| Income (Loss), Including Portion Attributable to Noncontrolling Interest, before Tax | http://www.xbrl.org/2003/role/label | en-US |
| Income (Loss), Including Portion Attributable to Noncontrolling Interest, before Tax, Total | http://www.xbrl.org/2003/role/totalLabel | en-US |
| Reference | Role | Topic |
| FASB Accounting Standards Codification 220 10 S99 2 (SX 210.5-03.18) | http://fasb.org/us-gaap/role/ref/legacyRef | 220 |
| Part Of Roll Up: |
| us-gaap:ProfitLoss |