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	Dec. 31, 2024	Dec. 31, 2023
Cash equivalents:
Amortized Cost	$ 87,734	$ 186,563
Gross Unrealized Gains	6	6
Gross Unrealized Losses	0	0
Estimated Fair Value	87,740	186,569
Marketable securities:
Amortized Cost	513,507	150,101
Gross Unrealized Gains	651	284
Gross Unrealized Losses	(493)	(1)
Estimated Fair Value	513,665	150,384
Money market funds
Cash equivalents:
Amortized Cost	65,902	150,648
Gross Unrealized Gains	0	0
Gross Unrealized Losses	0	0
Estimated Fair Value	65,902	150,648
Commercial paper
Cash equivalents:
Amortized Cost	21,832	24,950
Gross Unrealized Gains	6	5
Gross Unrealized Losses	0	0
Estimated Fair Value	21,838	24,955
Marketable securities:
Amortized Cost	143,265	79,124
Gross Unrealized Gains	104	62
Gross Unrealized Losses	(77)	0
Estimated Fair Value	143,292	79,186
Corporate bonds
Marketable securities:
Amortized Cost	56,471	32,984
Gross Unrealized Gains	25	81
Gross Unrealized Losses	(48)	(1)
Estimated Fair Value	56,448	33,064
U.S. government treasury securities
Cash equivalents:
Amortized Cost	0	10,965
Gross Unrealized Gains	0	1
Gross Unrealized Losses	0	0
Estimated Fair Value	0	10,966
Marketable securities:
Amortized Cost	227,155	21,846
Gross Unrealized Gains	385	31
Gross Unrealized Losses	(296)	0
Estimated Fair Value	227,244	21,877
U.S. government agency securities
Marketable securities:
Amortized Cost	86,616	16,147
Gross Unrealized Gains	137	110
Gross Unrealized Losses	(72)	0
Estimated Fair Value	$ 86,681	$ 16,257