Details for Selection
| Standard label: | Principal Transactions Revenue |
| Name: | us-gaap:PrincipalTransactionsRevenue |
| Documentation: | The caption reflecting the net gain (loss), both realized and unrealized, arising from principal trading and principal investments. |
| Commentary: | |
| Data type: | Monetary (xbrli:monetaryItemType) |
| Period type: | For period (duration) |
| Balance type: | Credit |
| Object class: | [Concept] |