Investments - Schedule of Contractual Maturities of Held to Maturity Investments (Parenthetical) (Detail) - USD ($) $ in Thousands	Jun. 30, 2024	Dec. 31, 2023
Schedule of Held-to-Maturity Securities [Line Items]
Cash and cash equivalents	$ 96,643	$ 238,480
Due in One Year or Less
Schedule of Held-to-Maturity Securities [Line Items]
Cash and cash equivalents	$ 80,200	$ 58,600