Investments - Summary of Composition of Short and Long-term Investments (Detail) - USD ($) $ in Thousands	Jun. 30, 2026	Dec. 31, 2025
Debt Securities, Available-for-Sale [Line Items]
Amortized Cost	$ 425,126	$ 956,899
Unrealized Gains	83	1,319
Unrealized Losses	(315)	(4)
Aggregate Fair Value	424,894	958,214
Corporate Bonds [Member]
Debt Securities, Available-for-Sale [Line Items]
Amortized Cost	183,141	252,863
Unrealized Gains	82	903
Unrealized Losses	(195)	(1)
Aggregate Fair Value	183,028	253,765
U.S. Government Agency Securities [Member]
Debt Securities, Available-for-Sale [Line Items]
Amortized Cost	29,539	45,649
Unrealized Gains		64
Unrealized Losses	(70)	(3)
Aggregate Fair Value	29,469	45,710
US Treasury Securities [Member]
Debt Securities, Available-for-Sale [Line Items]
Amortized Cost	212,446	658,387
Unrealized Gains	1	352
Unrealized Losses	(50)
Aggregate Fair Value	$ 212,397	$ 658,739

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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- Definition

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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