| Standard label: | Investment Banking, Advisory, Brokerage, and Underwriting Fees and Commissions |
| Name: | us-gaap:InvestmentBankingAdvisoryBrokerageAndUnderwritingFeesAndCommissions |
| Documentation: | Amount of fees and commissions from banking, advisory, brokerage, and securities underwriting activities. Activities include, but are not limited to, underwriting securities, private placements of securities, investment advisory and management services, merger and acquisition services, sale and servicing of mutual funds, and other related consulting fees. |
| Object type: | cm:Concept |
| Data type: | Monetary (xbrli:monetaryItemType) |
| Period type: | For Period (duration) |
| Balance type: | Credit |
| Abstract: | false |
| Workiva Wdesk Taxonomy Analyzer: | us-gaap:InvestmentBankingAdvisoryBrokerageAndUnderwritingFeesAndCommissions |
| Label | Role | Language |
| Investment Banking, Advisory, Brokerage, and Underwriting Fees and Commissions | http://www.xbrl.org/2003/role/label | en-US |
| Investment Banking, Advisory, Brokerage, and Underwriting Fees and Commissions, Total | http://www.xbrl.org/2003/role/totalLabel | en-US |
| Reference | Role | Topic |
| FASB Accounting Standards Codification 942 220 S99 1 (SX 210.9-04.13(b)) | http://fasb.org/us-gaap/role/ref/legacyRef | 942 |