XML 128 R113.htm IDEA: XBRL DOCUMENT
v3.24.1.1.u2

Interests in Joint Ventures - Schedule of Interests in Joint Ventures (Detail) - USD ($) $ in Thousands | Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
--- | --- | --- | ---
Interests in Joint Ventures [Abstract] |  |  |
Cost of investments in joint ventures | $ (7,988) | $ 0 | $ 0
Due from joint ventures | 23,810 | 0 | 0
Interests in Joint Ventures | $ 15,822 | $ 0 | $ 0

X
- Definition Due from joint ventures current non current. + References No definition available. + Details
Name: | amtd_DueFromJointVenturesCurrentNonCurrent
Namespace Prefix: | amtd_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Interests in joint ventures. + References No definition available. + Details
Name: | amtd_InterestsinJointVentures
Namespace Prefix: | amtd_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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

X
- Definition Amount of investment in equity method investee and investment in and advance to affiliate. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(18)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1 + Details
Name: | us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant