| Standard label: | Cost Method Investments |
| Name: | us-gaap:CostMethodInvestments |
| Documentation: | Amount, after adjustment, of cost-method investment. Adjustments include, but are not limited to, dividends received in excess of earnings after date of investment that are considered a return of investment and other than temporary impairments. |
| Object type: | cm:Concept |
| Data type: | Monetary (xbrli:monetaryItemType) |
| Period type: | As Of (instant) |
| Balance type: | Debit |
| Abstract: | false |
| Workiva Wdesk Taxonomy Analyzer: | us-gaap:CostMethodInvestments |
| Label | Role | Language |
| Cost Method Investments | http://www.xbrl.org/2003/role/label | en-US |
| Reference | Role | Topic |