XML 101 R86.htm IDEA: XBRL DOCUMENT
v3.24.1.1.u2

Staff Costs - Schedule of Compensation Related Costs (Detail) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Compensation Related Costs [Abstract] |  |  |
Salaries, bonuses and staff welfare | $ 18,493 | $ 15,490 | $ 12,192
Pension scheme contributions (defined contribution schemes) | 1,590 | 1,014 | 104
Employee benefits and share-based compensation | $ 20,083 | $ 16,504 | $ 12,296

X
- Definition Salaries, bonuses and staff welfare. + References No definition available. + Details
Name: | amtd_SalariesBonusesAndStaffWelfare
Namespace Prefix: | amtd_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_CompensationRelatedCostsAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of expense for employee benefit and equity-based compensation. + References No definition available. + Details
Name: | us-gaap_EmployeeBenefitsAndShareBasedCompensation
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of cost (reversal of cost) for pension and other postretirement benefits. + References No definition available. + Details
Name: | us-gaap_PensionAndOtherPostretirementBenefitExpense
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration