Fair Value Measurements - Schedule of Financial Assets and Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Schedule Of Available For Sale Securities [Line Items]
Financial assets and liabilities	$ 86,465	$ 148,594
Money Market Funds
Schedule Of Available For Sale Securities [Line Items]
Financial assets and liabilities	15,954	15,661
Certificates of Deposit
Schedule Of Available For Sale Securities [Line Items]
Financial assets and liabilities	11,503	30,765
Repurchase Agreements
Schedule Of Available For Sale Securities [Line Items]
Financial assets and liabilities	13,500	15,000
Corporate Notes
Schedule Of Available For Sale Securities [Line Items]
Financial assets and liabilities	38,397	75,426
Government and Agency Notes
Schedule Of Available For Sale Securities [Line Items]
Financial assets and liabilities	5,178	8,296
Municipal Notes
Schedule Of Available For Sale Securities [Line Items]
Financial assets and liabilities	1,933
Commercial Paper
Schedule Of Available For Sale Securities [Line Items]
Financial assets and liabilities		3,446
Level 1
Schedule Of Available For Sale Securities [Line Items]
Financial assets and liabilities	15,954	15,661
Level 1 | Money Market Funds
Schedule Of Available For Sale Securities [Line Items]
Financial assets and liabilities	15,954	15,661
Level 2
Schedule Of Available For Sale Securities [Line Items]
Financial assets and liabilities	70,511	132,933
Level 2 | Certificates of Deposit
Schedule Of Available For Sale Securities [Line Items]
Financial assets and liabilities	11,503	30,765
Level 2 | Repurchase Agreements
Schedule Of Available For Sale Securities [Line Items]
Financial assets and liabilities	13,500	15,000
Level 2 | Corporate Notes
Schedule Of Available For Sale Securities [Line Items]
Financial assets and liabilities	38,397	75,426
Level 2 | Government and Agency Notes
Schedule Of Available For Sale Securities [Line Items]
Financial assets and liabilities	5,178	8,296
Level 2 | Municipal Notes
Schedule Of Available For Sale Securities [Line Items]
Financial assets and liabilities	$ 1,933
Level 2 | Commercial Paper
Schedule Of Available For Sale Securities [Line Items]
Financial assets and liabilities		$ 3,446