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Investments and Fair Value Measurements - Schedule of Available-For-Sale Investments (Details) - USD ($) $ in Thousands	Sep. 30, 2024	Dec. 31, 2023
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	$ 289,945	$ 287,307
Gross Unrealized Gain	66	23
Gross Unrealized Loss	(9)	(957)
Fair Value	290,002	286,373
U.S. Treasury securities
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	37,530	73,444
Gross Unrealized Gain	27	8
Gross Unrealized Loss	0	(4)
Fair Value	37,557	73,448
Corporate notes and bonds
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	26,450	112,487
Gross Unrealized Gain	9	9
Gross Unrealized Loss	(8)	(931)
Fair Value	26,451	111,565
Commercial paper
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	26,712	25,946
Gross Unrealized Gain	14	0
Gross Unrealized Loss	(1)	(12)
Fair Value	26,725	25,934
Asset-backed securities
Debt Securities, Available-for-sale [Line Items]
Amortized Cost		89
Gross Unrealized Gain		0
Gross Unrealized Loss		0
Fair Value		89
Agency bonds
Debt Securities, Available-for-sale [Line Items]
Amortized Cost		9,854
Gross Unrealized Gain		0
Gross Unrealized Loss		(3)
Fair Value		9,851
Money market funds
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	149,480
Gross Unrealized Gain	0
Gross Unrealized Loss	0
Fair Value	149,480
U.S. Treasury securities
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	49,773	52,824
Gross Unrealized Gain	16	6
Gross Unrealized Loss	0	0
Fair Value	$ 49,789	52,830
Commercial paper
Debt Securities, Available-for-sale [Line Items]
Amortized Cost		12,663
Gross Unrealized Gain		0
Gross Unrealized Loss		(7)
Fair Value		$ 12,656

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