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Investments and Fair Value Measurements - Schedule of Marketable Investments (Details) - USD ($) $ in Thousands	Mar. 31, 2025	Dec. 31, 2024
Debt Securities, Available-for-sale [Line Items]
Cost	$ 671,038	$ 643,067
Gross Unrealized Gains	434	590
Gross Unrealized Losses	(78)	(247)
Fair Value	671,394	643,410
Certificates of deposit
Debt Securities, Available-for-sale [Line Items]
Cost	922	802
Gross Unrealized Gains	0	0
Gross Unrealized Losses	0	0
Fair Value	922	802
U.S. treasury securities
Debt Securities, Available-for-sale [Line Items]
Cost	444,833	442,353
Gross Unrealized Gains	269	442
Gross Unrealized Losses	(28)	(223)
Fair Value	445,074	442,572
U.S. agency and government-sponsored securities
Debt Securities, Available-for-sale [Line Items]
Cost	179,273	146,762
Gross Unrealized Gains	29	16
Gross Unrealized Losses	(47)	(18)
Fair Value	179,255	146,760
Commercial paper
Debt Securities, Available-for-sale [Line Items]
Cost	8,601	9,600
Gross Unrealized Gains	10	8
Gross Unrealized Losses	0	0
Fair Value	8,611	9,608
Municipal bonds
Debt Securities, Available-for-sale [Line Items]
Cost	895
Gross Unrealized Gains	0
Gross Unrealized Losses	0
Fair Value	895
Corporate bonds
Debt Securities, Available-for-sale [Line Items]
Cost	36,514	43,550
Gross Unrealized Gains	126	124
Gross Unrealized Losses	(3)	(6)
Fair Value	$ 36,637	$ 43,668

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