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Investments and Fair Value of Financial Instruments - Gains and Losses of Marketable Investments (Details) - USD ($) $ in Thousands | Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
--- | --- | --- | ---
Schedule of Available-for-sale Securities [Line Items] |  |  |
Cost | $ 122,259 | $ 121,672 |
Gross Unrealized Gains | 70 | 0 |
Gross Unrealized Losses | (628) | (3,500) |
Allowance for Credit Loss | 0 | 0 | $ 0
Fair Value | 121,701 | 118,172 |
Commercial paper |  |  |
Schedule of Available-for-sale Securities [Line Items] |  |  |
Cost | 39,727 |  |
Gross Unrealized Gains | 32 |  |
Gross Unrealized Losses | (3) |  |
Allowance for Credit Loss | 0 |  |
Fair Value | 39,756 |  |
Certificates of Deposit |  |  |
Schedule of Available-for-sale Securities [Line Items] |  |  |
Cost | 6,392 |  |
Gross Unrealized Gains | 9 |  |
Gross Unrealized Losses | 0 |  |
Allowance for Credit Loss | 0 |  |
Fair Value | 6,401 |  |
U.S. treasury |  |  |
Schedule of Available-for-sale Securities [Line Items] |  |  |
Cost | 10,226 | 14,482 |
Gross Unrealized Gains | 0 | 0 |
Gross Unrealized Losses | (160) | (478) |
Allowance for Credit Loss | 0 | 0 |
Fair Value | 10,066 | 14,004 |
U.S. agency and government sponsored securities |  |  |
Schedule of Available-for-sale Securities [Line Items] |  |  |
Cost |  | 6,999 |
Gross Unrealized Gains |  | 0 |
Gross Unrealized Losses |  | (176) |
Allowance for Credit Loss |  | 0 |
Fair Value |  | 6,823 |
U.S. states and municipalities |  |  |
Schedule of Available-for-sale Securities [Line Items] |  |  |
Cost | 2,950 | 23,460 |
Gross Unrealized Gains | 0 | 0 |
Gross Unrealized Losses | (35) | (501) |
Allowance for Credit Loss | 0 | 0 |
Fair Value | 2,915 | 22,959 |
Corporate bonds |  |  |
Schedule of Available-for-sale Securities [Line Items] |  |  |
Cost | 62,964 | 76,731 |
Gross Unrealized Gains | 29 | 0 |
Gross Unrealized Losses | (430) | (2,345) |
Allowance for Credit Loss | 0 | 0 |
Fair Value | $ 62,563 | $ 74,386 |

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