Organization and Summary of Significant Accounting Policies - Summary of Short-Term Investments (Details) - USD ($) $ in Thousands	Sep. 30, 2024	Dec. 31, 2023
Schedule Of Available For Sale Securities [Line Items]
Amortized Cost	$ 623,446	$ 324,158
Unrealized Gains	7,852	889
Unrealized Losses	(21)	(224)
Estimated Fair Value	631,277	324,823
U.S. Treasury Securities
Schedule Of Available For Sale Securities [Line Items]
Amortized Cost	113,468	71,072
Unrealized Gains	996	242
Unrealized Losses	0	(14)
Estimated Fair Value	114,464	71,300
U.S. Agency Bonds
Schedule Of Available For Sale Securities [Line Items]
Amortized Cost	325,893	166,699
Unrealized Gains	4,278	591
Unrealized Losses	(13)	(187)
Estimated Fair Value	330,158	167,103
Asset-Backed Securities
Schedule Of Available For Sale Securities [Line Items]
Amortized Cost		5,078
Unrealized Gains		0
Unrealized Losses		(23)
Estimated Fair Value		5,055
Corporate Debt Securities
Schedule Of Available For Sale Securities [Line Items]
Amortized Cost	154,195	1,999
Unrealized Gains	2,534	0
Unrealized Losses	0	0
Estimated Fair Value	156,729	1,999
Commercial Paper
Schedule Of Available For Sale Securities [Line Items]
Amortized Cost	29,890	79,310
Unrealized Gains	44	56
Unrealized Losses	(8)	0
Estimated Fair Value	$ 29,926	$ 79,366