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Fair Value Measurements - Summary 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	$ 238,741	$ 258,688
Unrealized Gains	0	452
Unrealized Losses	(140)	0
Fair Value	238,600	259,140
Commercial Paper [Member]
Schedule Of Available For Sale Securities [Line Items]
Amortized Cost	84,572	86,066
Unrealized Gains	0	15
Unrealized Losses	(100)	0
Fair Value	84,471	86,081
Corporate Bonds [Member]
Schedule Of Available For Sale Securities [Line Items]
Amortized Cost	36,356	28,227
Unrealized Gains	0	30
Unrealized Losses	(36)	0
Fair Value	36,319	28,257
U.S. Treasury [Member]
Schedule Of Available For Sale Securities [Line Items]
Amortized Cost	117,813	144,395
Unrealized Gains	0	407
Unrealized Losses	(4)	0
Fair Value	$ 117,810	$ 144,802

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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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