Deferred revenue (Details) - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023
Deferred revenue
Deferred revenue, current	$ 66,813	$ 73,673
Deferred revenue, non-current	12,635	12,932
Live streaming
Deferred revenue
Deferred revenue, current	50,728	56,817
Deferred revenue, non-current	5,686	5,516
Others
Deferred revenue
Deferred revenue, current	16,085	16,856
Deferred revenue, non-current	$ 6,949	$ 7,416

Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable, classified as noncurrent.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 606
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479837/606-10-45-1

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 606
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 8
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479806/606-10-50-8

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 606
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 2
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479837/606-10-45-2

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant