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Intangible Assets - Schedule of Finite-Lived Intangible Assets (Detail) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Finite-Lived Intangible Assets [Line Items] |  |  |
Net carrying, Beginning | $ 96,967 | $ 1,946 | $ 1,957
Exchange realignment | (113) | 591 | (11)
Recognized upon acquisition |  | 4,808 |
Amortization during the year | (857) | (726) |
Disposal of subsidiaries | (2,966) | (1,946) |
Net carrying, Ending | 118,423 | 96,967 | 1,946
Lofficiel [Member] |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Recognized upon acquisition |  | 92,294 |
The Art Newspaper SA [Member] |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Recognized upon acquisition | 25,392 |  |
Archived Images [Member] |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Net carrying, Beginning | 500 |  |
Exchange realignment | (1) | 3 |
Net carrying, Ending | 499 | 500 |
Archived Images [Member] | Lofficiel [Member] |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Recognized upon acquisition |  | 497 |
Developed Technology Rights [Member] |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Net carrying, Beginning | 3,925 |  |
Exchange realignment | (5) | 6 |
Recognized upon acquisition |  | 4,632 |
Amortization during the year | (848) | (713) |
Disposal of subsidiaries | (2,966) |  |
Net carrying, Ending | 106 | 3,925 |
Trade Names [Member] |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Net carrying, Beginning | 92,542 |  |
Exchange realignment | (107) | 582 |
Recognized upon acquisition |  | 176 |
Amortization during the year | (9) | (13) |
Net carrying, Ending | 117,818 | 92,542 |
Trade Names [Member] | Lofficiel [Member] |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Recognized upon acquisition |  | 91,797 |
Trade Names [Member] | The Art Newspaper SA [Member] |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Recognized upon acquisition | $ 25,392 |  |
Securities Trading Licenses and Trading Right [Member] |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Net carrying, Beginning |  | 1,946 | 1,957
Exchange realignment |  |  | (11)
Disposal of subsidiaries |  | $ (1,946) |
Net carrying, Ending |  |  | $ 1,946

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- Definition The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method. + 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 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 45 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482686/350-30-45-2 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(2) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482665/350-30-50-2 + Details
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- Definition Amount of foreign currency translation gain (loss) which increases (decreases) assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References No definition available. + Details
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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 Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 926 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Publisher FASB -URI https://asc.fasb.org//1943274/2147483154/926-20-50-5 + Details
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