| Standard label: | Nonredeemable Noncontrolling Interest | 
| Name: | us-gaap:NonredeemableNoncontrollingInterest | 
| Documentation: | Portion of equity (net assets) in a subsidiary not attributable, directly or indirectly, to the parent entity which is not redeemable by the parent entity. | 
| 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:NonredeemableNoncontrollingInterest | 
| Label | Role | Language | 
| Nonredeemable Noncontrolling Interest | http://www.xbrl.org/2003/role/label | en-US | 
| Reference | Role | Topic | 
| Part Of Roll Up: | 
| us-gaap:MinorityInterest |