Fair Value Measurements - Summary of Fair Value of Investments Based upon Contractual Maturities (Detail) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Debt Securities, Available-for-Sale [Line Items]
Less than one year	$ 72,252	$ 70,968
Due in 1 - 5 years	63,579	63,893
Total	135,831	134,861
U.S. Treasuries [Member]
Debt Securities, Available-for-Sale [Line Items]
Less than one year	49,757	49,756
Due in 1 - 5 years	49,670	49,926
Total	99,427	99,682
Mutual Funds Held In Rabbi Trust [Member]
Debt Securities, Available-for-Sale [Line Items]
Less than one year	11,015	10,485
Total	11,015	10,485
Corporate Debt [Member]
Debt Securities, Available-for-Sale [Line Items]
Less than one year	11,480	10,727
Due in 1 - 5 years	13,909	13,967
Total	$ 25,389	$ 24,694