Acquisitions of Subsidiaries - Schedule of Reserve Arising on Acquisition (Details) $ in Thousands	12 Months Ended
Dec. 31, 2023 USD ($)
Business Acquisition [Line Items]
Consideration transferred	$ 268,000
Less: recognized amounts of net liabilities acquired	3,154
Total reserve	275,154
AMTD Digital [Member]
Business Acquisition [Line Items]
Plus: non-controlling interests of AMTD	(1,019)
Amtd Assets [Member]
Business Acquisition [Line Items]
Plus: non-controlling interests of AMTD	(336)
Less: recognized amounts of net liabilities acquired	(3,154)
Amtd Assets Subsidiaries [Member]
Business Acquisition [Line Items]
Plus: non-controlling interests of AMTD	$ 5,355

Amount of consideration transferred in asset acquisition. Includes, but is not limited to, cash, liability incurred by acquirer, and equity interest issued by acquirer.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Amount recognized as of the acquisition date for the identifiable assets acquired in excess of (less than) the aggregate liabilities assumed.

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Amount recognized as of the acquisition date for the assets, including goodwill, in excess of (less than) the aggregate liabilities assumed, less the noncontrolling interest in the acquiree.

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In a business combination achieved in stages, this element represents the amount of net gain (loss) recognized by the entity as a result of remeasuring to fair value the equity interest in the acquiree it held before the business combination.

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