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Operating Segment Information - Summary of Revenue from Contract with Customers by Geographical Areas Based (Detail) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Revenue From External Customers By Geographic Areas [Line Items] |  |  |
Revenues | $ 130,914 | $ 175,171 | $ 179,815
Capital Market Solutions [Member] |  |  |
Revenue From External Customers By Geographic Areas [Line Items] |  |  |
Revenues |  | 74,305 | 87,535
Digital Solutions And Other Services [Member] |  |  |
Revenue From External Customers By Geographic Areas [Line Items] |  |  |
Revenues | 13,469 | 23,440 |
Media And Entertainment [Member] |  |  |
Revenue From External Customers By Geographic Areas [Line Items] |  |  |
Revenues | 14,474 | 7,620 |
Hotel operations, hospitality and VIP services [Member] |  |  |
Revenue From External Customers By Geographic Areas [Line Items] |  |  |
Revenues | 10,301 |  |
Revenue from Contract with Customer [Member] |  |  |
Revenue From External Customers By Geographic Areas [Line Items] |  |  |
Revenues | 38,244 | 105,365 | 87,535
Revenue from Contract with Customer [Member] | Capital Market Solutions [Member] |  |  |
Revenue From External Customers By Geographic Areas [Line Items] |  |  |
Revenues | 0 | 74,305 |
Revenue from Contract with Customer [Member] | Digital Solutions And Other Services [Member] |  |  |
Revenue From External Customers By Geographic Areas [Line Items] |  |  |
Revenues | 13,469 | 23,440 |
Revenue from Contract with Customer [Member] | Media And Entertainment [Member] |  |  |
Revenue From External Customers By Geographic Areas [Line Items] |  |  |
Revenues | 14,474 | 7,620 |
Revenue from Contract with Customer [Member] | Hotel operations, hospitality and VIP services [Member] |  |  |
Revenue From External Customers By Geographic Areas [Line Items] |  |  |
Revenues | 10,301 |  |
Revenue from Contract with Customer [Member] | China (including Hong Kong) [Member] |  |  |
Revenue From External Customers By Geographic Areas [Line Items] |  |  |
Revenues | 18,601 | 97,558 | 87,050
Revenue from Contract with Customer [Member] | China (including Hong Kong) [Member] | Capital Market Solutions [Member] |  |  |
Revenue From External Customers By Geographic Areas [Line Items] |  |  |
Revenues | 0 | 74,305 |
Revenue from Contract with Customer [Member] | China (including Hong Kong) [Member] | Digital Solutions And Other Services [Member] |  |  |
Revenue From External Customers By Geographic Areas [Line Items] |  |  |
Revenues | 13,469 | 23,253 |
Revenue from Contract with Customer [Member] | China (including Hong Kong) [Member] | Media And Entertainment [Member] |  |  |
Revenue From External Customers By Geographic Areas [Line Items] |  |  |
Revenues | 0 | 0 |
Revenue from Contract with Customer [Member] | China (including Hong Kong) [Member] | Hotel operations, hospitality and VIP services [Member] |  |  |
Revenue From External Customers By Geographic Areas [Line Items] |  |  |
Revenues | 5,132 |  |
Revenue from Contract with Customer [Member] | Europe [Member] |  |  |
Revenue From External Customers By Geographic Areas [Line Items] |  |  |
Revenues | 6,582 | 2,461 |
Revenue from Contract with Customer [Member] | Europe [Member] | Capital Market Solutions [Member] |  |  |
Revenue From External Customers By Geographic Areas [Line Items] |  |  |
Revenues | 0 | 0 |
Revenue from Contract with Customer [Member] | Europe [Member] | Digital Solutions And Other Services [Member] |  |  |
Revenue From External Customers By Geographic Areas [Line Items] |  |  |
Revenues | 0 | 0 |
Revenue from Contract with Customer [Member] | Europe [Member] | Media And Entertainment [Member] |  |  |
Revenue From External Customers By Geographic Areas [Line Items] |  |  |
Revenues | 6,582 | 2,461 |
Revenue from Contract with Customer [Member] | Europe [Member] | Hotel operations, hospitality and VIP services [Member] |  |  |
Revenue From External Customers By Geographic Areas [Line Items] |  |  |
Revenues | 0 |  |
Revenue from Contract with Customer [Member] | America [Member] |  |  |
Revenue From External Customers By Geographic Areas [Line Items] |  |  |
Revenues | 10,419 | 4,090 |
Revenue from Contract with Customer [Member] | America [Member] | Capital Market Solutions [Member] |  |  |
Revenue From External Customers By Geographic Areas [Line Items] |  |  |
Revenues | 0 | 0 |
Revenue from Contract with Customer [Member] | America [Member] | Digital Solutions And Other Services [Member] |  |  |
Revenue From External Customers By Geographic Areas [Line Items] |  |  |
Revenues | 0 | 0 |
Revenue from Contract with Customer [Member] | America [Member] | Media And Entertainment [Member] |  |  |
Revenue From External Customers By Geographic Areas [Line Items] |  |  |
Revenues | 5,250 | 4,090 |
Revenue from Contract with Customer [Member] | America [Member] | Hotel operations, hospitality and VIP services [Member] |  |  |
Revenue From External Customers By Geographic Areas [Line Items] |  |  |
Revenues | 5,169 |  |
Revenue from Contract with Customer [Member] | Others [Member] |  |  |
Revenue From External Customers By Geographic Areas [Line Items] |  |  |
Revenues | 2,642 | 1,256 | $ 485
Revenue from Contract with Customer [Member] | Others [Member] | Capital Market Solutions [Member] |  |  |
Revenue From External Customers By Geographic Areas [Line Items] |  |  |
Revenues | 0 | 0 |
Revenue from Contract with Customer [Member] | Others [Member] | Digital Solutions And Other Services [Member] |  |  |
Revenue From External Customers By Geographic Areas [Line Items] |  |  |
Revenues | 0 | 187 |
Revenue from Contract with Customer [Member] | Others [Member] | Media And Entertainment [Member] |  |  |
Revenue From External Customers By Geographic Areas [Line Items] |  |  |
Revenues | 2,642 | $ 1,069 |
Revenue from Contract with Customer [Member] | Others [Member] | Hotel operations, hospitality and VIP services [Member] |  |  |
Revenue From External Customers By Geographic Areas [Line Items] |  |  |
Revenues | $ 0 |  |

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- Definition Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. 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