Available-for-Sale Securities - Schedule of Available-for-Sale Securities (Detail) - USD ($) $ in Thousands	Jun. 30, 2026	Dec. 31, 2025
Schedule Of Available For Sale Securities [Line Items]
Amortized Cost	$ 218,397	$ 127,898
Gross Unrealized Gain	0	52
Gross Unrealized Loss	(113)
Fair Value	218,284	127,950
Treasury Bills Maturing in One Year or Less [Member]
Schedule Of Available For Sale Securities [Line Items]
Amortized Cost	159,761	72,902
Gross Unrealized Gain	0	30
Gross Unrealized Loss	(47)
Fair Value	159,714	72,932
Government Bonds Maturing in One Year or Less [Member]
Schedule Of Available For Sale Securities [Line Items]
Amortized Cost	58,636	54,996
Gross Unrealized Gain	0	22
Gross Unrealized Loss	(66)
Fair Value	$ 58,570	$ 55,018

Amortized cost of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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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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