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Operating Segment Information - Summary of Information by Segment with Prior Period Segment Information (Detail) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Revenue, Major Customer [Line Items] |  |  |
Revenues | $ 130,914 | $ 175,171 | $ 179,815
Unallocated other income | 22,942 | 18,063 | 16,149
Profit before tax | 157,697 | 173,871 | 171,239
Depreciation |  |  | 6
Depreciation and amortization | 2,623 | 738 |
Operating Segments [Member] |  |  |
Revenue, Major Customer [Line Items] |  |  |
Revenues | 130,914 | 175,171 | 179,815
Segment results | 105,865 | 165,970 | 177,988
Corporate, Non-Segment [Member] |  |  |
Revenue, Major Customer [Line Items] |  |  |
Unallocated other income | 22,942 | 18,063 | 16,149
Unallocated other gain | 68,797 | 19,598 |
Unallocated finance costs | (8,199) | (859) | (1,650)
Corporate and other unallocated expenses | (31,708) | (30,605) | (21,248)
Unallocated net changes in fair value on derivative financial liability |  | 1,704 |
from contract with customers [Member] | Operating Segments [Member] |  |  |
Revenue, Major Customer [Line Items] |  |  |
Revenues | 38,244 | 105,365 | 87,535
others [Member] | Operating Segments [Member] |  |  |
Revenue, Major Customer [Line Items] |  |  |
Revenues | 92,670 | 69,806 | 92,280
Capital Market Solutions [Member] |  |  |
Revenue, Major Customer [Line Items] |  |  |
Revenues |  | 74,305 | 87,535
Capital Market Solutions [Member] | Operating Segments [Member] |  |  |
Revenue, Major Customer [Line Items] |  |  |
Revenues | 0 | 74,305 | 87,535
Segment results | (1,276) | 72,140 | 85,708
Capital Market Solutions [Member] | from contract with customers [Member] | Operating Segments [Member] |  |  |
Revenue, Major Customer [Line Items] |  |  |
Revenues | 0 | 74,305 | 87,535
Capital Market Solutions [Member] | others [Member] | Operating Segments [Member] |  |  |
Revenue, Major Customer [Line Items] |  |  |
Revenues | 0 | 0 | 0
Digital Solutions And Other Services [Member] |  |  |
Revenue, Major Customer [Line Items] |  |  |
Revenues | 13,469 | 23,440 |
Digital Solutions And Other Services [Member] | Operating Segments [Member] |  |  |
Revenue, Major Customer [Line Items] |  |  |
Revenues | 13,469 | 23,440 |
Segment results | 9,126 | 21,299 |
Digital Solutions And Other Services [Member] | from contract with customers [Member] | Operating Segments [Member] |  |  |
Revenue, Major Customer [Line Items] |  |  |
Revenues | 13,469 | 23,440 |
Digital Solutions And Other Services [Member] | others [Member] | Operating Segments [Member] |  |  |
Revenue, Major Customer [Line Items] |  |  |
Revenues | 0 | 0 |
Media And Entertainment [Member] |  |  |
Revenue, Major Customer [Line Items] |  |  |
Revenues | 14,474 | 7,620 |
Media And Entertainment [Member] | Operating Segments [Member] |  |  |
Revenue, Major Customer [Line Items] |  |  |
Revenues | 14,474 | 7,620 |
Segment results | 3,239 | 2,725 |
Media And Entertainment [Member] | from contract with customers [Member] | Operating Segments [Member] |  |  |
Revenue, Major Customer [Line Items] |  |  |
Revenues | 14,474 | 7,620 |
Media And Entertainment [Member] | others [Member] | Operating Segments [Member] |  |  |
Revenue, Major Customer [Line Items] |  |  |
Revenues | 0 | 0 |
Hotel operations, hospitality and VIP services [Member] |  |  |
Revenue, Major Customer [Line Items] |  |  |
Revenues | 10,301 |  |
Hotel operations, hospitality and VIP services [Member] | Operating Segments [Member] |  |  |
Revenue, Major Customer [Line Items] |  |  |
Revenues | 10,301 |  |
Segment results | 2,106 |  |
Hotel operations, hospitality and VIP services [Member] | from contract with customers [Member] | Operating Segments [Member] |  |  |
Revenue, Major Customer [Line Items] |  |  |
Revenues | 10,301 |  |
Hotel operations, hospitality and VIP services [Member] | others [Member] | Operating Segments [Member] |  |  |
Revenue, Major Customer [Line Items] |  |  |
Revenues | 0 |  |
Strategic Investment [Member] |  |  |
Revenue, Major Customer [Line Items] |  |  |
Revenues | 92,670 | 69,806 | 92,280
Strategic Investment [Member] | Operating Segments [Member] |  |  |
Revenue, Major Customer [Line Items] |  |  |
Revenues | 92,670 | 69,806 | 92,280
Segment results | 92,670 | 69,806 | 92,280
Strategic Investment [Member] | from contract with customers [Member] | Operating Segments [Member] |  |  |
Revenue, Major Customer [Line Items] |  |  |
Revenues | 0 | 0 | 0
Strategic Investment [Member] | others [Member] | Operating Segments [Member] |  |  |
Revenue, Major Customer [Line Items] |  |  |
Revenues | $ 92,670 | $ 69,806 | $ 92,280

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