Fair Value Measurements - Summary of Fair Value of Investments Based upon Contractual Maturities (Detail) - USD ($) $ in Thousands	Sep. 30, 2025	Dec. 31, 2024
Debt Securities, Available-for-Sale [Line Items]
Less than one year	$ 34,404	$ 59,324
Due in 1 - 5 years	122,847	94,829
Total	157,251	154,153
U.S. Treasuries [Member]
Debt Securities, Available-for-Sale [Line Items]
Less than one year	24,920	49,978
Due in 1 - 5 years	75,583	49,067
Total	100,503	99,045
Corporate Debt [Member]
Debt Securities, Available-for-Sale [Line Items]
Less than one year	9,484	9,346
Due in 1 - 5 years	47,264	45,762
Total	$ 56,748	$ 55,108