Investments - Additional Information (Detail) - USD ($)	12 Months Ended
Dec. 31, 2024	Dec. 31, 2023
Debt Securities, Available-for-Sale [Line Items]
Accrued interest receivable written off	$ 0	$ 0
Impairment of assets	$ 0	$ 0
US Treasury Bond Securities \| U.S. Corporate Bonds [Member] \| Maximum [Member]
Debt Securities, Available-for-Sale [Line Items]
Marketable securities, remaining contractual maturities	1 year	1 year
US Treasury Bond Securities \| Corporate Bonds and Municipal Securities [Member]
Debt Securities, Available-for-Sale [Line Items]
Marketable securities fair value held to maturity	$ 30,700,000	$ 110,300,000
US Treasury Bond Securities \| Corporate Bonds and Municipal Securities [Member] \| Maximum [Member]
Debt Securities, Available-for-Sale [Line Items]
Marketable Securities Maturity Period	2 years	2 years
US Treasury Bond Securities \| Corporate Bonds and Municipal Securities [Member] \| Minimum [Member]
Debt Securities, Available-for-Sale [Line Items]
Marketable Securities Maturity Period	1 year	1 year
Prepaid Expenses and Other Current Assets [Member]
Debt Securities, Available-for-Sale [Line Items]
Accrued interest receivable	$ 3,400,000	$ 4,200,000

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Marketable securities held to maturity fair value.

+ References

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Marketable securities maturity period.

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The remaining contractual period for marketable securities.

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- Definition

Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill.

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Carrying amount as of the balance sheet date of interest earned but not received. Also called accrued interest or accrued interest receivable.

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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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