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Investments and Fair Value of Financial Instruments - Financial Assets and Liabilities Measured at Fair Value (Details) - Fair Value, Measurements, Recurring - USD ($) $ in Thousands | Dec. 31, 2023 | Dec. 31, 2022
--- | --- | ---
Financial Assets |  |
Total | $ 208,692 | $ 139,693
Commercial paper |  |
Financial Assets |  |
Marketable investments: | 39,756 |
Certificates of Deposit |  |
Financial Assets |  |
Marketable investments: | 6,401 |
U.S. treasury |  |
Financial Assets |  |
Marketable investments: | 10,066 | 14,004
U.S. agency and government sponsored securities |  |
Financial Assets |  |
Marketable investments: |  | 6,823
U.S. states and municipalities |  |
Financial Assets |  |
Marketable investments: | 2,915 | 22,959
Corporate bonds |  |
Financial Assets |  |
Marketable investments: | 62,563 | 74,386
Money market funds |  |
Financial Assets |  |
Cash equivalents: | 86,991 | 21,521
Fair Value, Inputs, Level 1 |  |
Financial Assets |  |
Total | 97,057 | 35,525
Fair Value, Inputs, Level 1 | Commercial paper |  |
Financial Assets |  |
Marketable investments: | 0 |
Fair Value, Inputs, Level 1 | Certificates of Deposit |  |
Financial Assets |  |
Marketable investments: | 0 |
Fair Value, Inputs, Level 1 | U.S. treasury |  |
Financial Assets |  |
Marketable investments: | 10,066 | 14,004
Fair Value, Inputs, Level 1 | U.S. agency and government sponsored securities |  |
Financial Assets |  |
Marketable investments: |  | 0
Fair Value, Inputs, Level 1 | U.S. states and municipalities |  |
Financial Assets |  |
Marketable investments: | 0 | 0
Fair Value, Inputs, Level 1 | Corporate bonds |  |
Financial Assets |  |
Marketable investments: | 0 | 0
Fair Value, Inputs, Level 1 | Money market funds |  |
Financial Assets |  |
Cash equivalents: | 86,991 | 21,521
Fair Value, Inputs, Level 2 |  |
Financial Assets |  |
Total | 111,635 | 104,168
Fair Value, Inputs, Level 2 | Commercial paper |  |
Financial Assets |  |
Marketable investments: | 39,756 |
Fair Value, Inputs, Level 2 | Certificates of Deposit |  |
Financial Assets |  |
Marketable investments: | 6,401 |
Fair Value, Inputs, Level 2 | U.S. treasury |  |
Financial Assets |  |
Marketable investments: | 0 | 0
Fair Value, Inputs, Level 2 | U.S. agency and government sponsored securities |  |
Financial Assets |  |
Marketable investments: |  | 6,823
Fair Value, Inputs, Level 2 | U.S. states and municipalities |  |
Financial Assets |  |
Marketable investments: | 2,915 | 22,959
Fair Value, Inputs, Level 2 | Corporate bonds |  |
Financial Assets |  |
Marketable investments: | 62,563 | 74,386
Fair Value, Inputs, Level 2 | Money market funds |  |
Financial Assets |  |
Cash equivalents: | 0 | 0
Fair Value, Inputs, Level 3 |  |
Financial Assets |  |
Total | 0 | 0
Fair Value, Inputs, Level 3 | Commercial paper |  |
Financial Assets |  |
Marketable investments: | 0 |
Fair Value, Inputs, Level 3 | Certificates of Deposit |  |
Financial Assets |  |
Marketable investments: | 0 |
Fair Value, Inputs, Level 3 | U.S. treasury |  |
Financial Assets |  |
Marketable investments: | 0 | 0
Fair Value, Inputs, Level 3 | U.S. agency and government sponsored securities |  |
Financial Assets |  |
Marketable investments: |  | 0
Fair Value, Inputs, Level 3 | U.S. states and municipalities |  |
Financial Assets |  |
Marketable investments: | 0 | 0
Fair Value, Inputs, Level 3 | Corporate bonds |  |
Financial Assets |  |
Marketable investments: | 0 | 0
Fair Value, Inputs, Level 3 | Money market funds |  |
Financial Assets |  |
Cash equivalents: | $ 0 | $ 0

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