Investments - Schedule of Contractual Maturities of Held to Maturity Investments (Parenthetical) (Detail) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Schedule of Held-to-Maturity Securities [Line Items]
Cash and cash equivalents	$ 83,016	$ 69,767
Due in One Year or Less
Schedule of Held-to-Maturity Securities [Line Items]
Cash and cash equivalents	$ 68,600	$ 51,800