Cash, Cash Equivalents and Marketable Securities - Summary of Company Financial Assets with Maturities of Less Than 90 Days Included in Cash Equivalents (Detail) - USD ($) $ in Thousands	Sep. 30, 2024	Dec. 31, 2023
Cash and Cash Equivalents [Line Items]
Cash equivalents	$ 26,282	$ 117,599
Money Market Funds [Member]
Cash and Cash Equivalents [Line Items]
Cash equivalents	21,951	63,919
Commercial Paper [Member]
Cash and Cash Equivalents [Line Items]
Cash equivalents	2,330	53,680
Corporate Bond [Member]
Cash and Cash Equivalents [Line Items]
Cash equivalents	$ 2,001	$ 0