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Acquisitions of Subsidiaries - Summary of Gain Arising on Acquisition (Detail) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2023 | Dec. 31, 2022
The Art Newspaper SA [Member] |  |
Business Acquisition [Line Items] |  |
Recognized amounts of net assets acquired | $ 21,300 |
Less: consideration paid/payable | (16,831) |
Total | 4,469 |
Lofficiel [Member] |  |
Business Acquisition [Line Items] |  |
Recognized amounts of net assets acquired |  | $ 67,648
Less: consideration paid/payable |  | $ (62,800)
Total | $ 4,848 |

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