Marketable Debt Securities - Summary of Marketable Securities Classified as Available-for-sale (Details) - U S Treasury Securities - USD ($) $ in Thousands	Sep. 30, 2024	Dec. 31, 2023
Debt Securities, Available-for-Sale [Line Items]
Marketable debt securities, Amortized Cost	$ 132,411	$ 109,571
Marketable debt securities, Unrealized Gains	352	71
Marketable debt securities, Unrealized Losses	(1)	(8)
Marketable debt securities, Aggregate Fair Value	$ 132,762	$ 109,634