Legal Proceeding (Narrative) (Details) - USD ($) $ in Millions |
3 Months Ended | ||
|---|---|---|---|
Feb. 26, 2026 |
Mar. 31, 2025 |
Mar. 31, 2026 |
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| Loss Contingencies [Line Items] | |||
| Possible aggregate loss | $ 100.0 | ||
| Customer Arbitration Against the Company's Brokerage Subsidiary | $ 132.5 | ||
| Loss contingency damages awarded increased value | $ 146.2 | ||
| Compensatory Damages [Member] | |||
| Loss Contingencies [Line Items] | |||
| Customer Arbitration Against the Company's Brokerage Subsidiary | 26.5 | ||
| Punitive Damages [Member] | |||
| Loss Contingencies [Line Items] | |||
| Customer Arbitration Against the Company's Brokerage Subsidiary | 79.5 | ||
| Attorneys' Fees and Costs [Member] | |||
| Loss Contingencies [Line Items] | |||
| Customer Arbitration Against the Company's Brokerage Subsidiary | $ 26.5 |
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- Definition Loss contingency damages awarded increased value. No definition available.
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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 Amount of damages awarded to the plaintiff in the legal matter. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition The difference between the maximum amount of estimated loss and the amount recorded as of the balance sheet date. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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