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Investments in Marketable Securities - Summary of Investments Classified As Available-For-Sale Securities (Detail) - USD ($) $ in Thousands	Jun. 30, 2026	Dec. 31, 2025
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	$ 376,617	$ 539,085
Gross Unrealized Gains	60	932
Gross Unrealized Losses	(764)	(88)
Aggregate Estimated Fair Value	375,913	539,929
Commercial paper [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	42,246	12,713
Aggregate Estimated Fair Value	42,246	12,713
Corporate debt securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	301,844	489,335
Gross Unrealized Gains	54	864
Gross Unrealized Losses	(700)	(85)
Aggregate Estimated Fair Value	301,198	490,114
Government debt securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	32,527	37,037
Gross Unrealized Gains	6	68
Gross Unrealized Losses	(64)	(3)
Aggregate Estimated Fair Value	$ 32,469	$ 37,102

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Amount, before tax, of unrealized gain in accumulated other comprehensive income (AOCI) on 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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