Organization and Summary of Significant Accounting Policies - Summary of Short-Term Investments (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Schedule Of Available For Sale Securities [Line Items]
Amortized Cost	$ 333,734	$ 277,125
Unrealized Gains	2	39
Unrealized Losses	(1,176)	(1,574)
Estimated Fair Value	332,560	275,590
U.S. Treasury Securities
Schedule Of Available For Sale Securities [Line Items]
Amortized Cost	70,561	63,675
Unrealized Gains	0	0
Unrealized Losses	(195)	(659)
Estimated Fair Value	70,366	63,016
U.S. Agency Bonds
Schedule Of Available For Sale Securities [Line Items]
Amortized Cost	148,222	67,421
Unrealized Gains	0	0
Unrealized Losses	(817)	(401)
Estimated Fair Value	147,405	67,020
U.S. Agency Discount Notes
Schedule Of Available For Sale Securities [Line Items]
Amortized Cost	4,481	4,321
Unrealized Gains	0	13
Unrealized Losses	(1)	0
Estimated Fair Value	4,480	4,334
Asset-Backed Securities
Schedule Of Available For Sale Securities [Line Items]
Amortized Cost	5,026
Unrealized Gains	0
Unrealized Losses	(50)
Estimated Fair Value	4,976
Corporate Debt Securities
Schedule Of Available For Sale Securities [Line Items]
Amortized Cost	1,993	1,975
Unrealized Gains	0	0
Unrealized Losses	(4)	(5)
Estimated Fair Value	1,989	1,970
Commercial Paper
Schedule Of Available For Sale Securities [Line Items]
Amortized Cost	103,451	139,733
Unrealized Gains	2	26
Unrealized Losses	(109)	(509)
Estimated Fair Value	$ 103,344	$ 139,250