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Principal Transactions and Proprietary Trading (Details) - Schedule of principal transactions and proprietary trading - USD ($) | 12 Months Ended
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Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Principal transactions and proprietary trading |  |  |
Realized and unrealized gain on primarily riskless principal transactions | $ 7,643,000 | $ 15,675,000 | $ (8,032,000)
Unrealized loss on portfolio of U.S. government securities | (3,900,000) | (28,000) | (3,872,000)
Total Principal transactions and proprietary trading | $ 3,743,000 | $ 15,647,000 | $ (11,904,000)

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- Definition Unrealized loss on portfolio of U.S. government securities. + References No definition available. + Details
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- Definition Amount of realized and unrealized gain (loss), from the firm's direct investment activity, conducted separately from customer trading activities, and includes, but is not limited to, investments in private equity, alternative investment products, real estate, and exchanges and memberships. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 220 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-04.2,3) -URI https://asc.fasb.org/extlink&oid=120400993&loc=SL114874131-224263 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 220 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04.13(g),(h)) -URI https://asc.fasb.org/extlink&oid=120399700&loc=SL114874048-224260 + Details
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- Definition Amount of realized and unrealized gain (loss) resulting from the difference between acquisition price and selling price or fair value of trading assets and trading liabilities, and from the firm's direct investment activity, conducted separately from customer trading activities, including, but not limited to, investments in private equity, alternative investment products, real estate, and exchanges and memberships. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 940 -SubTopic 320 -Section 45 -Paragraph 5 -URI https://asc.fasb.org/extlink&oid=35711157&loc=d3e42567-110969 + Details
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