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	Mar. 31, 2024	Dec. 31, 2023
Debt Securities, Available-for-Sale [Line Items]
Cash equivalents, amortized cost	$ 225,797	$ 186,563
Cash equivalents, gross unrealized gains	0	6
Cash equivalents, gross unrealized losses	0	0
Cash equivalents, estimated fair value	225,797	186,569
Marketable securities, amortized cost	257,487	150,101
Marketable securities, gross unrealized gains	53	284
Marketable securities, gross unrealized losses	(451)	(1)
Marketable securities, estimated fair value	257,089	150,384
Money market funds
Debt Securities, Available-for-Sale [Line Items]
Cash equivalents, amortized cost	225,797	150,648
Cash equivalents, gross unrealized gains	0	0
Cash equivalents, gross unrealized losses	0	0
Cash equivalents, estimated fair value	225,797	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	74,803	79,124
Marketable securities, gross unrealized gains	12	62
Marketable securities, gross unrealized losses	(23)	0
Marketable securities, estimated fair value	74,792	79,186
Corporate bonds
Debt Securities, Available-for-Sale [Line Items]
Marketable securities, amortized cost	41,497	32,984
Marketable securities, gross unrealized gains	11	81
Marketable securities, gross unrealized losses	(74)	(1)
Marketable securities, estimated fair value	41,434	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	85,250	21,846
Marketable securities, gross unrealized gains	4	31
Marketable securities, gross unrealized losses	(209)	0
Marketable securities, estimated fair value	85,045	21,877
U.S. government agency securities
Debt Securities, Available-for-Sale [Line Items]
Marketable securities, amortized cost	55,937	16,147
Marketable securities, gross unrealized gains	26	110
Marketable securities, gross unrealized losses	(145)	0
Marketable securities, estimated fair value	$ 55,818	$ 16,257