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Note 16 - Capital Management (Details Textual) - USD ($) $ / shares in Units, $ in Thousands |  |  | 1 Months Ended | 2 Months Ended | 12 Months Ended | 22 Months Ended |
--- | --- | --- | --- | --- | --- | --- | ---
Jun. 13, 2023 | Jun. 30, 2018 | Dec. 31, 2024 | Jul. 31, 2024 | Jan. 31, 2024 | Jun. 30, 2023 | Jan. 31, 2023 | Oct. 31, 2022 | Feb. 28, 2025 | Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022 | Nov. 30, 2023 | Jan. 31, 2022
Disclosure of objectives, policies and processes for managing capital [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
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, per share |  |  |  | $ 0.4 | $ 0.4 | $ 0.4 | $ 0.8 |  |  | $ 0.8 | $ 1.2 |  |  |
Dividend payables |  |  |  | $ 70,400 | $ 70,400 | $ 36,000 | $ 71,300 |  |  |  |  |  |  |
Dividends recognised as distributions to owners |  |  |  | $ 7,800 | $ 25,100 |  | 12,300 |  |  | $ 70,398 | $ 107,222 |  |  |
Payments to acquire or redeem entity's shares |  |  |  |  |  |  |  |  |  | 0 | 32,695 | $ 146,068 |  |
Capital reserved for investments in listed equity securities |  |  | $ 70,000 |  |  |  |  |  |  | 70,000 |  |  |  |
Net fair value gain (loss) related to listed equity instruments |  |  |  |  |  |  | 34,200 |  |  |  |  |  |  |
Treasury shares [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of objectives, policies and processes for managing capital [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Dividends recognised as distributions to owners |  |  |  |  |  |  |  |  |  |  | 0 |  |  |
Qifei International Development Co, Ltd [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of objectives, policies and processes for managing capital [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Payments to acquire or redeem entity's shares |  |  |  |  |  |  |  | $ 128,600 |  | 0 | 0 | 128,563 |  |
Kunlun and Keeneyes Future Holding [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of objectives, policies and processes for managing capital [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Dividend payables |  |  |  |  |  |  | $ 59,000 |  |  |  |  |  |  |
Net fair value gain (loss) related to listed equity instruments |  |  |  |  |  |  |  |  |  | 0 | 3,243 | $ 15,946 |  |
Kunlun Tech Limited [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of objectives, policies and processes for managing capital [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Dividends recognised as distributions to owners | $ 25,100 |  |  |  |  |  |  |  |  | 33,000 | 25,100 |  |  |
Star X [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of objectives, policies and processes for managing capital [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Dividend payables |  |  | $ 33,000 |  |  |  |  |  |  | $ 33,000 | $ 25,100 |  |  |
ADS [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of objectives, policies and processes for managing capital [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Dividends, per share | $ 0.4 |  |  | $ 0.4 | $ 0.4 |  |  |  |  | $ 0.8 | $ 1.2 | $ 0 |  |
Share repurchase program, maximum authorized amount |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 50,000
Number of shares repurchased during period (in shares) |  | 36,971,296 |  |  |  |  |  |  |  | 0 | 2,765,346 | 26,729,495 | 6,119,841 |
Payments to acquire or redeem entity's shares |  | $ 239,000 |  |  |  |  |  |  |  | $ 0 | $ 32,695 | $ 146,068 | $ 50,000 |
ADS [member] | Treasury shares [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of objectives, policies and processes for managing capital [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of shares repurchased during period (in shares) |  |  |  |  |  |  |  |  |  | 2,768,009 |  |  |  |
Ordinary shares [member] | Qifei International Development Co, Ltd [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of objectives, policies and processes for managing capital [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of shares repurchased during period (in shares) |  |  |  |  |  |  |  | 23,375,000 |  |  |  |  |  |
Payments to acquire or redeem entity's shares |  |  |  |  |  |  |  | $ 128,600 |  |  |  |  |  |

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