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Impairments (Details) - Schedule of Summarizes Impairments Recognized - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Impaired Long-Lived Assets Held and Used [Line Items] |  |  |
Total | $ 7,942 |  | $ 16,156
Securrency [Member] |  |  |
Impaired Long-Lived Assets Held and Used [Line Items] |  |  |
Total | 7,630 |  |
Other investments [Member] |  |  |
Impaired Long-Lived Assets Held and Used [Line Items] |  |  |
Total | 312 |  |
Lease termination [Member] | New York office [Member] |  |  |
Impaired Long-Lived Assets Held and Used [Line Items] |  |  |
Total |  |  | 9,277
Lease termination [Member] | London office [Member] |  |  |
Impaired Long-Lived Assets Held and Used [Line Items] |  |  |
Total |  |  | 303
Fixed assets [Member] | New York office [Member] |  |  |
Impaired Long-Lived Assets Held and Used [Line Items] |  |  |
Total |  |  | $ 6,576

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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. + References No definition available. + Details
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- Definition Amount, after cash payment, of expenses associated with exit or disposal activities pursuant to an authorized plan and expenses resulting from the write-down of assets. Excludes expenses related to a business combination, a discontinued operation or an asset retirement obligation. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 45 -Paragraph 28 -Subparagraph (b) -SubTopic 10 -Topic 230 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482740/230-10-45-28 + Details
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