Principal accounting policies - Revenue (Details) - USD ($) $ in Thousands |
12 Months Ended | |
|---|---|---|
Dec. 31, 2024 |
Dec. 31, 2023 |
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| Contract Balance | ||
| Revenue | ||
| Remaining performance obligation | $ 79,448 | |
| Remaining performance obligation expected to be recognized | $ 66,813 | |
| Advertising revenues | Minimum | ||
| Revenue | ||
| Payment due period | 1 month | |
| Advertising revenues | Maximum | ||
| Revenue | ||
| Payment due period | 3 months | |
| Online games revenues | Minimum | ||
| Revenue | ||
| Revenue recognition period | 1 month | |
| Online games revenues | Maximum | ||
| Revenue | ||
| Revenue recognition period | 6 months | |
| Live streaming | ||
| Revenue | ||
| Deferred revenue | $ 56,414 | $ 62,333 |
| Revenue recognized | 56,817 | 63,303 |
| Others | ||
| Revenue | ||
| Deferred revenue | 23,034 | 24,272 |
| Revenue recognized | $ 16,856 | $ 22,711 |
| X | ||||||||||
- Definition Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of revenue recognized that was previously included in balance of obligation to transfer good or service to customer for which consideration from customer has been received or is due. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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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. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of transaction price allocated to performance obligation that has not been recognized as revenue. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The period in which the payment is due as per the terms of the contracts with customers of the entity, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. No definition available.
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- Definition The period over which the revenue is recognized by the entity for the specific type of revenue, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. No definition available.
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- Definition Amount of revenue, remaining performance obligation expected to be recognized. No definition available.
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