Fair Value and Fair Value Hierarchy of Financial Instruments - Summary of the Movements in Fair Value Measurements Within Level 3 (Detail) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Unlisted equity shares at fair value through profit or loss [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
At January 1,	$ 80,528	$ 219,219	$ 38,681
Addition	0	21,712	20,930
Disposal	(25,539)	(45,404)	(25,289)
Transfer	4,118	1,491	143,689
Derecognition upon acquisition of subsidiaries	(66,190)	(162,747)	0
Receipt of investment return	0	(2,680)	0
Profit or loss	12,804	49,267	41,208
Exchange realignment	20	(330)	0
At December 31,	5,741	80,528	219,219
Upside participation and distribution agreement [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
At January 1,	167,388	124,404	132,080
Profit or loss	34,234	44,461	(6,947)
Gain related to disposed investment	0	486	0
Settlement	(201,411)	(1,963)	0
Exchange realignment	(211)	0	(729)
At December 31,	$ 0	$ 167,388	$ 124,404

Fair value measurement with significant unobservable input gain loss on disposal of investments.

No definition available.

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- Definition

Fair value measurement with significant unobservable input reconciliation recurring basis exchange differences.

+ References

No definition available.

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- Definition

Fair value measurement with significant unobservable inputs derecognition receipt of investment return.

+ References

No definition available.

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- Definition

Fair value measurement with significant unobservable input derecognition upon acquistion of subsidiaries.

+ References

No definition available.

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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

No definition available.

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- Definition

Amount of gain (loss) recognized in income from asset measured at fair value on recurring basis using unobservable input (level 3).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (c)(1)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482106/820-10-50-2

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- Definition

Amount of purchases of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(2)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482106/820-10-50-2

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- Definition

Amount of sale of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

+ References

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Amount of settlement of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

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- Definition

Amount of transfer of financial instrument classified as an asset into level 3 of the fair value hierarchy.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (c)(3)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482106/820-10-50-2

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- Definition

Fair value of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (c)
-SubTopic 10
-Topic 820
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482106/820-10-50-2

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