| Standard label: | Trading Securities, Equity |
| Name: | us-gaap:TradingSecuritiesEquity |
| Documentation: | Fair value of investments in trading equity securities and other forms of trading securities that provide ownership interests. |
| 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:TradingSecuritiesEquity |
| Label | Role | Language |
| Trading Securities, Equity | http://www.xbrl.org/2003/role/label | en-US |
| Trading Securities, Unclassified, Equity, Total | http://www.xbrl.org/2003/role/totalLabel | en-US |
| Reference | Role | Topic |