| Standard label: | Redeemable Noncontrolling Interest, Equity, Other, Fair Value |
| Name: | us-gaap:RedeemableNoncontrollingInterestEquityOtherFairValue |
| Documentation: | Fair value of noncontrolling interests which are redeemable by the parent entity and classified as other equity. |
| Object type: | cm:Concept |
| Data type: | Monetary (xbrli:monetaryItemType) |
| Period type: | As Of (instant) |
| Balance type: | Credit |
| Abstract: | false |
| Workiva Wdesk Taxonomy Analyzer: | us-gaap:RedeemableNoncontrollingInterestEquityOtherFairValue |
| Label | Role | Language |
| Redeemable Noncontrolling Interest, Equity, Other, Fair Value | http://www.xbrl.org/2003/role/label | en-US |
| Reference | Role | Topic |
| FASB Accounting Standards Codification 480 10 S99 3A (12)(c) | http://fasb.org/us-gaap/role/ref/legacyRef | 480 |
| FASB Accounting Standards Codification 480 10 S99 3A (16)(c) | http://fasb.org/us-gaap/role/ref/legacyRef | 480 |
| FASB Accounting Standards Codification 480 10 S99 3A 14 | http://fasb.org/us-gaap/role/ref/legacyRef | 480 |
| FASB Accounting Standards Codification 480 10 S99 3A 15 | http://fasb.org/us-gaap/role/ref/legacyRef | 480 |
| Part Of Roll Up: |
| us-gaap:RedeemableNoncontrollingInterestEquityFairValue |