| Standard label: | Net Income (Loss), Including Portion Attributable to Nonredeemable Noncontrolling Interest |
| Name: | us-gaap:NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest |
| Documentation: | Amount after income tax of income (loss) including the portion attributable to nonredeemable noncontrolling interest. Excludes the portion attributable to redeemable noncontrolling interest recognized as temporary equity. |
| 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:NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest |
| Label | Role | Language |
| Net Income (Loss), Including Portion Attributable to Nonredeemable Noncontrolling Interest | http://www.xbrl.org/2003/role/label | en-US |
| Net Income (Loss), Including Portion Attributable to Nonredeemable Noncontrolling Interest, Total | http://www.xbrl.org/2003/role/totalLabel | en-US |
| Reference | Role | Topic |
| FASB Accounting Standards Codification 480 10 S99 3A (3) | http://fasb.org/us-gaap/role/ref/legacyRef | 480 |
| FASB Accounting Standards Codification 810 10 50 1A (a)(2) | http://fasb.org/us-gaap/role/ref/legacyRef | 810 |
| FASB Accounting Standards Codification 810 10 50 1A (c)(1) | http://fasb.org/us-gaap/role/ref/legacyRef | 810 |