Cash Equivalents and Marketable Securities - Estimated Fair Value of Cash Equivalents and Marketable Securities and the Gross Unrealized Gains and Losses (Details) - USD ($) $ in Thousands	Jun. 30, 2024	Dec. 31, 2023
Debt Securities, Available-for-Sale [Line Items]
Cash equivalents, amortized cost	$ 43,377	$ 186,563
Cash equivalents, gross unrealized gains	0	6
Cash equivalents, gross unrealized losses	0	0
Cash equivalents, estimated fair value	43,377	186,569
Marketable securities, amortized cost	381,443	150,101
Marketable securities, gross unrealized gains	81	284
Marketable securities, gross unrealized losses	(673)	(1)
Marketable securities, estimated fair value	380,851	150,384
Money market funds
Debt Securities, Available-for-Sale [Line Items]
Cash equivalents, amortized cost	43,377	150,648
Cash equivalents, gross unrealized gains	0	0
Cash equivalents, gross unrealized losses	0	0
Cash equivalents, estimated fair value	43,377	150,648
Commercial paper
Debt Securities, Available-for-Sale [Line Items]
Cash equivalents, amortized cost		24,950
Cash equivalents, gross unrealized gains		5
Cash equivalents, gross unrealized losses		0
Cash equivalents, estimated fair value		24,955
Marketable securities, amortized cost	119,844	79,124
Marketable securities, gross unrealized gains	3	62
Marketable securities, gross unrealized losses	(131)	0
Marketable securities, estimated fair value	119,716	79,186
Corporate bonds
Debt Securities, Available-for-Sale [Line Items]
Marketable securities, amortized cost	31,797	32,984
Marketable securities, gross unrealized gains	0	81
Marketable securities, gross unrealized losses	(85)	(1)
Marketable securities, estimated fair value	31,712	33,064
U.S. government treasury securities
Debt Securities, Available-for-Sale [Line Items]
Cash equivalents, amortized cost		10,965
Cash equivalents, gross unrealized gains		1
Cash equivalents, gross unrealized losses		0
Cash equivalents, estimated fair value		10,966
Marketable securities, amortized cost	137,061	21,846
Marketable securities, gross unrealized gains	65	31
Marketable securities, gross unrealized losses	(269)	0
Marketable securities, estimated fair value	136,857	21,877
U.S. government agency securities
Debt Securities, Available-for-Sale [Line Items]
Marketable securities, amortized cost	92,741	16,147
Marketable securities, gross unrealized gains	13	110
Marketable securities, gross unrealized losses	(188)	0
Marketable securities, estimated fair value	$ 92,566	$ 16,257