Fair Value Measurements of Financial Instruments - Summary of Financial Instruments (Details) - USD ($) $ in Thousands	Jun. 30, 2024	Dec. 31, 2023
Schedule Of Available For Sale Securities [Line Items]
Amortized Cost	$ 44,877	$ 55,361
Gross Unrealized Gain	94	77
Gross Unrealized Loss	(45)	(54)
Estimated Fair Values	44,926	55,384
Certificates of Deposit
Schedule Of Available For Sale Securities [Line Items]
Amortized Cost	1,924	3,633
Gross Unrealized Gain		1
Gross Unrealized Loss	(1)
Estimated Fair Values	1,923	3,634
U.S.Treasury Bills and Notes
Schedule Of Available For Sale Securities [Line Items]
Amortized Cost	35,458	37,624
Gross Unrealized Gain	94	76
Gross Unrealized Loss	(25)
Estimated Fair Values	35,527	37,700
Government Agency Bonds
Schedule Of Available For Sale Securities [Line Items]
Amortized Cost	518	2,600
Gross Unrealized Loss	(1)	(3)
Estimated Fair Values	517	2,597
Corporate Bonds
Schedule Of Available For Sale Securities [Line Items]
Amortized Cost	6,977	11,504
Gross Unrealized Loss	(18)	(51)
Estimated Fair Values	6,959	11,453
Cash and Cash Equivalents
Schedule Of Available For Sale Securities [Line Items]
Estimated Fair Values	998	3,096
Short-term Investments
Schedule Of Available For Sale Securities [Line Items]
Estimated Fair Values	$ 43,928	51,788
Long-term investments
Schedule Of Available For Sale Securities [Line Items]
Estimated Fair Values		$ 500