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v3.23.1

Perpetual Securities - Additional Information (Detail) |  | 12 Months Ended |  |  |
--- | --- | --- | --- | --- | ---
May 14, 2020 HKD ($) | Dec. 31, 2022 HKD ($) | Dec. 31, 2021 HKD ($) | Oct. 27, 2021 HKD ($) | Oct. 27, 2021 SGD ($) | Dec. 31, 2020 HKD ($) | May 14, 2020 USD ($) | May 14, 2020 HKD ($) | May 14, 2020 SGD ($)
Disclosure of classes of share capital [line items] |  |  |  |  |  |  |  |  |
Exchange of Securities into aggregate amount of Senior perpetual capital securities |  |  |  |  |  | $ 382,082,113 |  |  |
Profit attributable to holders of Perpetual Securities |  | $ 122,971,145 | $ 125,742,843 |  |  |  |  |  |
Cash paid to holders of preprtual securities |  | $ 123,620,489 | $ 124,279,754 |  |  |  |  |  |
Perpetual Securities I [member] |  |  |  |  |  |  |  |  |
Disclosure of classes of share capital [line items] |  |  |  |  |  |  |  |  |
Debt securities issued |  |  |  |  |  |  | $ 200,000,000 | $ 1,550,020,000 |
Shares Distribution rate |  |  |  |  |  |  | 7.25% | 7.25% | 7.25%
Direct transaction costs attributable to the perpetual securities | $ 4,460,393 |  |  |  |  |  |  |  |
Exchange of Securities into aggregate amount of Senior perpetual capital securities |  |  |  |  |  |  | $ 38,920,000 | $ 301,633,892 |
First reset date of perpetual securities issued |  | May 14, 2023 |  |  |  |  |  |  |
Initial spread |  | 7.011% |  |  |  |  |  |  |
Step up margin to the distribution rate |  | 5.00% |  |  |  |  |  |  |
Perpetual Securities II [member] |  |  |  |  |  |  |  |  |
Disclosure of classes of share capital [line items] |  |  |  |  |  |  |  |  |
Debt securities issued |  |  |  |  |  |  |  | $ 272,890,845 | $ 50,000,000
Shares Distribution rate |  |  |  |  |  |  | 4.50% | 4.50% | 4.50%
Direct transaction costs attributable to the perpetual securities | $ 4,460,393 |  |  |  |  |  |  |  |
Exchange of Securities into aggregate amount of Senior perpetual capital securities |  |  |  |  |  |  |  | $ 80,448,221 | $ 14,740,000
Optional dedemption date |  | May 14, 2025 |  |  |  |  |  |  |
Debt securities redeemed face amount |  |  |  | $ 65,104,192 | $ 11,188,000 |  |  |  |
Percentage of debt securities ,redemption price |  |  |  | 75.00% | 75.00% |  |  |  |
Gain loss on debt securities |  |  |  | $ 15,949,627 |  |  |  |  |

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