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Summary of Significant Accounting Policies (Tables) | 12 Months Ended
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Dec. 31, 2023
Summary of Significant Accounting Policies [Abstract] |
Schedule of Potential Effect of Rights of Setoff | The potential effect of rights of setoff associated with the Company’s recognized assets and liabilities is as follows:
|  | As of December 31, 2023 |
|  | Gross Amounts of Recognized Assets and Liabilities |  |  | Gross Amounts Offset in the Consolidated Statements of Financial Condition1 |  |  | Net Amounts Presented in the Consolidated Statements of Financial Condition |  |  | Collateral Received or Pledged2 |  |  | Net Amount3 |
Assets |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Securities borrowed |  | $ | 394,709,000 |  |  |  | — |  |  |  | 394,709,000 |  |  | $ | 371,076,000 |  |  | $ | 23,633,000 |
Liabilities |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Securities loaned |  | $ | 419,433,000 |  |  |  | — |  |  |  | 419,433,000 |  |  | $ | 404,312,000 |  |  | $ | 15,121,000 |
|  | As of December 31, 2022 |
|  | Gross Amounts of Recognized Assets and Liabilities |  |  | Gross Amounts Offset in the Consolidated Statements of Financial Condition1 |  |  | Net Amounts Presented in the Consolidated Statements of Financial Condition |  |  | Collateral Received or Pledged2 |  |  | Net Amount3 |
Assets |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Securities borrowed |  | $ | 336,909,000 |  |  |  | — |  |  |  | 336,909,000 |  |  | $ | 326,618,000 |  |  | $ | 10,291,000 |
Liabilities |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Securities loaned |  | $ | 327,180,000 |  |  |  | — |  |  |  | 327,180,000 |  |  | $ | 316,648,000 |  |  | $ | 10,532,000 |
Schedule of Potential Effect of Rights of Setoff | Below is a table with further detail on the Company’s securities.
Type of Security |  | Classification |  | Consolidated Statements of Financial Condition |  | Recording of Realized and Unrealized Gain or Loss
Certificates of deposit, Corporate bonds, municipal securities, options |  | Trading |  | Securities owned, at fair value |  | Principal transactions and proprietary trading
Equities |  | Trading |  | Securities owned, at fair value; Securities sold, not yet purchased at fair value |  | Market making, Principal transactions and proprietary trading
U.S. government securities |  | Trading |  | Securities owned, at fair value |  | Principal transactions and proprietary trading
U.S. government securities |  | Trading |  | Cash and securities segregated for regulatory purposes |  | Principal transactions and proprietary trading
Schedule of Revenue Category and its Related Performance Obligation | The following table presents each revenue category and its related performance obligation:
Revenue Stream |  | Performance Obligation |  | Recognition
Commission and fees |  | Provide financial services to customers and counterparties |  | Point in time recognition
Principal transactions and proprietary trading |  | Provide financial services to customers and counterparties |  | Point in time recognition
Market making |  | Provide financial services to customers and counterparties |  | Point in time recognition
Stock borrow / stock loan |  | Provide financial services to customers and counterparties |  | Point in time recognition
Advisory fees |  | Provide financial services to customers and counterparties |  | Over time recognition
Interest, marketing and distribution fees |  |  |  |
Interest |  | NA |  | Over time recognition
Marketing fees |  | Provide financial services to customers and counterparties |  | Point in time recognition
Distribution fees |  | Fixed: provide financial services to customers and counterparties; Variable: NA |  | Fixed: Point in time recognition; Variable: Over time recognition
Other income |  |  |  |
Consulting services to a technology provider |  | Provide consulting services |  | Over time recognition
Payment for order flow |  | Provide financial services to customers |  | Point in time recognition
Transactional fees generated from client accounts |  | Provide financial services to customers |  | Point in time recognition
Revenue from agreement with JonesTrading |  | NA |  | Point in time recognition

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- Definition Tabular disclosure of condensed financial statements, including, but not limited to, the balance sheet, income statement, and statement of cash flows. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name Regulation S-X (SX) -Number 210 -Section 12 -Subsection 04 -Paragraph (a) -Publisher SEC Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 235 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 3 -Subparagraph (SX 210.12-04(a)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480678/235-10-S99-3 + Details
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- Definition Tabular disclosure of expected timing for satisfying remaining performance obligation. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name Accounting Standards Codification -Section 50 -Paragraph 13 -Subparagraph (b)(1) -SubTopic 10 -Topic 606 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479806/606-10-50-13 + Details
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