Available-for-Sale Securities and Fair Value on Financial Instruments - Additional Information (Detail) - USD ($)	Sep. 30, 2024	Dec. 31, 2023	Sep. 30, 2023
Schedule of Available-for-sale Securities [Line Items]
Credit losses recognized	$ 0	$ 0	$ 0

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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+ Details