| Standard label: | Loss Contingency, Number of Plaintiffs | 
| Name: | us-gaap:LossContingencyNumberOfPlaintiffs | 
| Documentation: | Number of plaintiffs that have filed claims pertaining to a loss contingency. | 
| Object type: | cm:Concept | 
| Data type: | Integer (xbrli:integerItemType) | 
| Period type: | For Period (duration) | 
| Balance type: | (no balance type) | 
| Abstract: | false | 
| Workiva Wdesk Taxonomy Analyzer: | us-gaap:LossContingencyNumberOfPlaintiffs | 
| Label | Role | Language | 
| Loss Contingency, Number of Plaintiffs | http://www.xbrl.org/2003/role/label | en-US | 
| Reference | Role | Topic |