Segment Reporting - Reconciliation of Segment Information to Income Before Provision for Income Taxes (Parenthetical) (Detail) - USD ($)	3 Months Ended	9 Months Ended
Sep. 30, 2024	Sep. 30, 2024
Asia [Member] \| Criminal Social Engineering Scheme [Member]
Segment Reporting Information [Line Items]
Social engineering expenses	$ 3,300,000	$ 6,800,000

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.

No definition available.

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