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Note 17 - Related Parties (Details Textual) - USD ($) $ / shares in Units, $ in Thousands |  |  |  | 1 Months Ended | 2 Months Ended | 12 Months Ended | 22 Months Ended
--- | --- | --- | --- | --- | --- | --- | ---
Jun. 13, 2023 | Apr. 21, 2022 | Jun. 30, 2018 | Dec. 31, 2024 | Jul. 31, 2024 | Jan. 31, 2024 | Jun. 30, 2023 | Jan. 31, 2023 | Oct. 31, 2022 | Apr. 30, 2022 | Feb. 28, 2025 | Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022 | Nov. 30, 2023
Disclosure of transactions between related parties [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Proceeds from sales of investments other than investments accounted for using equity method |  |  |  |  |  |  |  | $ 59,000 |  |  |  |  |  |  |
Dividends proposed or declared before financial statements authorised for issue but not recognised as distribution to owners per share (in dollars per share) |  |  |  | $ 0.4 |  |  |  |  |  |  | $ 0.4 |  |  |  |
Dividends recognised as distributions to owners per share |  |  |  |  | $ 0.4 | $ 0.4 | $ 0.4 | $ 0.8 |  |  |  | $ 0.8 | $ 1.2 |  |
Dividends, per share |  |  |  |  | $ 0.4 | $ 0.4 | $ 0.4 | $ 0.8 |  |  |  | $ 0.8 | $ 1.2 |  |
Dividends recognised as distributions to owners |  |  |  |  | $ 7,800 | $ 25,100 |  | $ 12,300 |  |  |  | $ 70,398 | $ 107,222 |  |
Share repurchases, amount |  |  |  |  |  |  |  |  |  |  |  | 0 | 32,695 | $ 146,068 |
nHorizon [member] | Advertising revenue [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of transactions between related parties [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Percentage of entity's revenue |  |  |  |  |  |  |  | 30.00% |  |  |  |  |  |  |
Total for all related parties [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of transactions between related parties [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loss provisions recognized for receivables |  |  |  | $ 100 |  |  |  |  |  |  |  | 100 | 300 |  |
Qifei International Development Co, Ltd [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of transactions between related parties [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share repurchases, amount |  |  |  |  |  |  |  |  | $ 128,600 |  |  | $ 0 | $ 0 | $ 128,563 |
ADS [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of transactions between related parties [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Dividends recognised as distributions to owners per share | $ 0.4 |  |  |  | $ 0.4 | $ 0.4 |  |  |  |  |  | $ 0.8 | $ 1.2 | $ 0 |
Dividends, per share | $ 0.4 |  |  |  | $ 0.4 | $ 0.4 |  |  |  |  |  | $ 0.8 | $ 1.2 | $ 0 |
Number of shares repurchased during period (in shares) |  |  | 36,971,296 |  |  |  |  |  |  |  |  | 0 | 2,765,346 | 26,729,495 | 6,119,841
Share repurchases, amount |  |  | $ 239,000 |  |  |  |  |  |  |  |  | $ 0 | $ 32,695 | $ 146,068 | $ 50,000
Ordinary shares [member] | Qifei International Development Co, Ltd [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of transactions between related parties [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of shares repurchased during period (in shares) |  |  |  |  |  |  |  |  | 23,375,000 |  |  |  |  |  |
Share repurchases, amount |  |  |  |  |  |  |  |  | $ 128,600 |  |  |  |  |  |
Kunlun Tech Limited [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of transactions between related parties [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total revenue recognized |  |  |  |  |  |  |  |  |  |  |  | 700 |  |  |
Dividends recognised as distributions to owners | $ 25,100 |  |  |  |  |  |  |  |  |  |  | $ 33,000 | $ 25,100 |  |
Star X [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of transactions between related parties [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Proportion of ownership interest in associate |  | 19.40% |  |  |  |  |  |  |  | 19.40% |  |  |  |  |
Disposal group held for sale, consideration to be received |  | $ 83,500 |  |  |  |  |  |  |  | $ 83,500 |  |  |  |  |
Disposal group, deferred payments, interest rate |  | 3.50% |  |  |  |  |  |  |  | 3.50% |  |  |  |  |
Proceeds from sales of interests in associates |  | $ 28,400 |  |  |  |  |  |  |  | $ 28,400 |  |  |  |  |

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