| Standard label: | Exchange Fees |
| Name: | us-gaap:ExchangeFees |
| Documentation: | The amount of expense in the period for fees charged by securities exchanges for the privilege of trading securities listed on that exchange. Some fees vary with the related volume, while others are fixed. |
| Object type: | cm:Concept |
| Data type: | Monetary (xbrli:monetaryItemType) |
| Period type: | For Period (duration) |
| Balance type: | Debit |
| Abstract: | false |
| Workiva Wdesk Taxonomy Analyzer: | us-gaap:ExchangeFees |
| Label | Role | Language |
| Exchange Fees | http://www.xbrl.org/2003/role/label | en-US |
| Reference | Role | Topic |
| Part Of Roll Up: |
| us-gaap:FloorBrokerageExchangeAndClearanceFees |