Fair Value Measurements - Summary of Fair Value of Investments Based upon Contractual Maturities (Detail) - USD ($) $ in Thousands	Jun. 30, 2024	Dec. 31, 2023
Debt Securities, Available-for-Sale [Line Items]
Less than one year	$ 96,435	$ 70,968
Due in 1 - 5 years	39,473	63,893
Total	135,908	134,861
U.S. Treasuries [Member]
Debt Securities, Available-for-Sale [Line Items]
Less than one year	74,615	49,756
Due in 1 - 5 years	24,912	49,926
Total	99,527	99,682
Mutual Funds Held In Rabbi Trust [Member]
Debt Securities, Available-for-Sale [Line Items]
Less than one year	11,183	10,485
Total	11,183	10,485
Corporate Debt [Member]
Debt Securities, Available-for-Sale [Line Items]
Less than one year	10,637	10,727
Due in 1 - 5 years	14,561	13,967
Total	$ 25,198	$ 24,694