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Others - Financial instruments, schedule of movement of significant unobservable input level 3 (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Significant unobservable inputs |  |  |
Beginning balance | $ 28,309 |  |
Ending balance | 30,957 | $ 28,309 |
Level 3 |  |  |
Significant unobservable inputs |  |  |
Transfers into level 3 | 0 |  | $ 0
Transfers out of level 3 | 0 |  | 0
Convertible preference shares. |  |  |
Significant unobservable inputs |  |  |
Beginning balance | $ 0 | 259,230 |
Gains and losses recognized in profit or loss recorded as non-operating income and expenses |  | 99,001 |
Recorded as credit risk changes in financial instrument through other comprehensive income |  | 7 |
Transfers to Level 2 |  | (358,238) |
Ending balance |  | $ 0 | $ 259,230

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