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Revenue, Other Income and Other Gain - Schedule of Present Disaggregated Revenue Information (Detail) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Disaggregation of Revenue [Line Items] |  |  |
Revenue from contracts with customers | $ 38,244 | $ 105,365 | $ 87,535
Net fair value changes on financial assets at fair value through profit or loss | (40,899) | (20,609) | 76,867
Net fair value changes on derivative financial asset | 0 | 61,897 | (6,947)
Gain related to disposed investments | 123,634 | 22,106 | 16,094
Dividend income | 9,935 | 6,412 | 6,266
Total revenue | 130,914 | 175,171 | 179,815
Transferred at Point in Time [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue from contracts with customers | 22,581 | 76,809 |
Transferred over Time [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue from contracts with customers | 15,663 | 28,556 |
Underwriting Commission [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue from contracts with customers |  | 12,070 | 3,737
Financial Advisory Fee [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue from contracts with customers |  | 54,614 | 73,072
Management Fee and Performance based Incentive Fee [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue from contracts with customers |  | 2,144 | 7,362
Brokerage And Handling Fees [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue from contracts with customers |  | 5,403 | 3,262
Others [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue from contracts with customers |  | 74 | 102
Insurance Brokerage Services Commission [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue from contracts with customers | 1,249 | 1,040 |
Digital Solutions Fees [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue from contracts with customers | 12,220 | 22,400 |
Fashion, arts and Luxury Magazines and Advertising Services Income [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue from contracts with customers | 11,031 | 3,608 |
Fashion, arts and Luxury Media Licensing and Marketing Services Income [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue from contracts with customers | 3,443 | 4,012 |
Hotel Operation Others [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue from contracts with customers | 10,301 |  |
Capital Market Solutions [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue from contracts with customers |  | 74,305 | 87,535
Total revenue |  | 74,305 | 87,535
Capital Market Solutions [Member] | Transferred at Point in Time [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue from contracts with customers |  | 72,161 | 80,142
Capital Market Solutions [Member] | Transferred over Time [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue from contracts with customers |  | 2,144 | 7,393
Capital Market Solutions [Member] | Underwriting Commission [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue from contracts with customers |  | 12,070 | 3,737
Capital Market Solutions [Member] | Financial Advisory Fee [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue from contracts with customers |  | 54,614 | 73,072
Capital Market Solutions [Member] | Management Fee and Performance based Incentive Fee [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue from contracts with customers |  | 2,144 | 7,362
Capital Market Solutions [Member] | Brokerage And Handling Fees [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue from contracts with customers |  | 5,403 | 3,262
Capital Market Solutions [Member] | Others [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue from contracts with customers |  | 74 | 102
Digital Solutions And Other Services [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue from contracts with customers | 13,469 | 23,440 |
Total revenue | 13,469 | 23,440 |
Digital Solutions And Other Services [Member] | Transferred at Point in Time [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue from contracts with customers | 1,249 | 1,040 |
Digital Solutions And Other Services [Member] | Transferred over Time [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue from contracts with customers | 12,220 | 22,400 |
Digital Solutions And Other Services [Member] | Insurance Brokerage Services Commission [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue from contracts with customers | 1,249 | 1,040 |
Digital Solutions And Other Services [Member] | Digital Solutions Fees [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue from contracts with customers | 12,220 | 22,400 |
Media And Entertainment [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue from contracts with customers | 14,474 | 7,620 |
Total revenue | 14,474 | 7,620 |
Media And Entertainment [Member] | Transferred at Point in Time [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue from contracts with customers | 11,031 | 3,608 |
Media And Entertainment [Member] | Transferred over Time [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue from contracts with customers | 3,443 | 4,012 |
Media And Entertainment [Member] | Fashion, arts and Luxury Magazines and Advertising Services Income [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue from contracts with customers | 11,031 | 3,608 |
Media And Entertainment [Member] | Fashion, arts and Luxury Media Licensing and Marketing Services Income [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue from contracts with customers | 3,443 | 4,012 |
Hotel operations, hospitality and VIP services [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue from contracts with customers | 10,301 |  |
Total revenue | 10,301 |  |
Hotel operations, hospitality and VIP services [Member] | Transferred at Point in Time [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue from contracts with customers | 10,301 |  |
Hotel operations, hospitality and VIP services [Member] | Hotel Operation Others [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue from contracts with customers | 10,301 |  |
Strategic Investment [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Net fair value changes on financial assets at fair value through profit or loss | (40,899) | (20,609) | 76,867
Net fair value changes on derivative financial asset |  | 61,897 | (6,947)
Gain related to disposed investments | 123,634 | 22,106 | 16,094
Dividend income | 9,935 | 6,412 | 6,266
Total revenue | $ 92,670 | $ 69,806 | $ 92,280

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