Organization and Summary of Significant Accounting Policies - Summary of Short-Term Investments (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Schedule Of Available For Sale Securities [Line Items]
Amortized Cost	$ 307,638	$ 339,653
Unrealized Gains	0	7
Unrealized Losses	(1,567)	(277)
Estimated Fair Value	306,071	339,383
U.S. Treasury Securities
Schedule Of Available For Sale Securities [Line Items]
Amortized Cost	124,511	99,457
Unrealized Gains	0	0
Unrealized Losses	(1,154)	(210)
Estimated Fair Value	123,357	99,247
Corporate Debt Securities
Schedule Of Available For Sale Securities [Line Items]
Amortized Cost		6,029
Unrealized Gains		0
Unrealized Losses		(3)
Estimated Fair Value		6,026
Commercial Paper
Schedule Of Available For Sale Securities [Line Items]
Amortized Cost	183,127	234,167
Unrealized Gains	0	7
Unrealized Losses	(413)	(64)
Estimated Fair Value	$ 182,714	$ 234,110

Amount, before tax, of unrealized gain in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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