Fair Value Measurements of Financial Instruments - Summary of Financial Instruments (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Schedule Of Available For Sale Securities [Line Items]
Amortized Cost	$ 56,181	$ 55,361
Gross Unrealized Gain		77
Gross Unrealized Loss	(65)	(54)
Estimated Fair Values	56,210	55,384
Certificates of Deposit
Schedule Of Available For Sale Securities [Line Items]
Amortized Cost	3,901	3,633
Gross Unrealized Gain		1
Gross Unrealized Loss	(1)
Estimated Fair Values	3,900	3,634
Treasury bills
Schedule Of Available For Sale Securities [Line Items]
Amortized Cost	42,322	37,624
Gross Unrealized Gain	94	76
Gross Unrealized Loss	(28)
Estimated Fair Values	42,388	37,700
Government Agency Bonds
Schedule Of Available For Sale Securities [Line Items]
Amortized Cost	512	2,600
Gross Unrealized Loss	(1)	(3)
Estimated Fair Values	511	2,597
Corporate Bonds
Schedule Of Available For Sale Securities [Line Items]
Amortized Cost	9,446	11,504
Gross Unrealized Loss	(35)	(51)
Estimated Fair Values	9,411	11,453
Cash and Cash Equivalents
Schedule Of Available For Sale Securities [Line Items]
Estimated Fair Values	3,196	3,096
Short-term Investments
Schedule Of Available For Sale Securities [Line Items]
Estimated Fair Values	$ 53,014	51,788
Long-term investments
Schedule Of Available For Sale Securities [Line Items]
Estimated Fair Values		$ 500