Summary of Significant Accounting Policies (Details) - Schedule of Trading Securities Measured Initially at Fair Value	12 Months Ended
	Dec. 31, 2023
Certificates of deposit, Corporate bonds, municipal securities, options [Member]
Condensed Financial Statements, Captions [Line Items]
Classification	Trading
Consolidated Statements of Financial Condition	Securities owned, at fair value
Recording of Realized and Unrealized Gain or Loss	Principal transactions and proprietary trading
Equities [Member]
Condensed Financial Statements, Captions [Line Items]
Classification	Trading
Consolidated Statements of Financial Condition	Securities owned, at fair value; Securities sold, not yet purchased at fair value
Recording of Realized and Unrealized Gain or Loss	Market making, Principal transactions and proprietary trading
U.S. government securities [Member]
Condensed Financial Statements, Captions [Line Items]
Classification	Trading
Consolidated Statements of Financial Condition	Securities owned, at fair value
Recording of Realized and Unrealized Gain or Loss	Principal transactions and proprietary trading
U.S. government securities [Member]
Condensed Financial Statements, Captions [Line Items]
Classification	Trading
Consolidated Statements of Financial Condition	Cash and securities segregated for regulatory purposes
Recording of Realized and Unrealized Gain or Loss	Principal transactions and proprietary trading