Segment Reporting (Narrative) (Details) |
6 Months Ended |
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Jun. 30, 2026
Segment
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| Segment Reporting Information [Line Items] | |
| Number of business segments | 3 |
| Segment Reporting, CODM, Individual Title and Position or Group Name [Extensible Enumeration] | Chairman And Chief Executive Officer [Member] |
| Segment Reporting, Expense Information Used by CODM, Description | Our CODM regularly reviews segment net revenues, compensation and benefits expense, non-compensation operating expenses, and income before income taxes. Amounts included in non-compensation operating expenses include “Occupancy and equipment rental,” “Communications and office supplies,” “Commissions and floor brokerage,” “Provision for credit losses,” and “Other operating expenses.” |
| Segment Reporting, Other Segment Item, Composition, Description | The Other segment includes interest income from stock borrow activities, unallocated interest expense, interest income and gains and losses from investments held, amortization of stock-based awards, and all unallocated overhead cost associated with the execution of orders; processing of securities transactions; custody of client securities; receipt, identification, and delivery of funds and securities; compliance with regulatory and legal requirements; internal financial accounting and controls; and general administration and acquisition charges. |
| Global Wealth Management [Member] | |
| Segment Reporting Information [Line Items] | |
| Number of businesses within operating segment | 2 |
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- Definition Number of businesses within operating segment. No definition available.
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- Definition Number of operating segments. An operating segment is a component of an enterprise: (a) that engages in business activities from which it may earn revenues and incur expenses (including revenues and expenses relating to transactions with other components of the same enterprise), (b) whose operating results are regularly reviewed by the enterprise's chief operating decision maker to make decisions about resources to be allocated to the segment and assess its performance, and (c) for which discrete financial information is available. An operating segment may engage in business activities for which it has yet to earn revenues, for example, start-up operations may be operating segments before earning revenues. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Indicates title and position of individual or name of group identified as chief operating decision maker (CODM) for segment reporting. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Description of nature of expense information used by chief operating decision maker (CODM) to manage operation when segment expense information by category is not disclosed. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Description of composition of other segment item not separately disclosed. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Details
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