Revenue Recognition (Details) - Schedule of Principal Transactions and Proprietary Trading - USD ($) |
3 Months Ended | |
|---|---|---|
Mar. 31, 2024 |
Mar. 31, 2023 |
|
| Principal transactions and proprietary trading | ||
| Realized and unrealized gain on primarily riskless principal transactions | $ 3,443,000 | $ 1,799,000 |
| Realized and unrealized gain on primarily riskless principal transactions, Year over Year Increase | 1,644,000 | |
| Realized and unrealized gain on portfolio of U.S. government securities | 63,000 | 1,001,000 |
| Realized and unrealized gain on portfolio of U.S. government securities, Year over Year Increase | (938,000) | |
| Total Principal transactions and proprietary trading | 3,506,000 | $ 2,800,000 |
| Total Principal transactions and proprietary trading, Year over Year Increase | $ 706,000 | |