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Investments and Fair Value Measurements - Components of Investments (Details) - USD ($) $ in Thousands | Dec. 31, 2023 | Dec. 31, 2022
--- | --- | ---
Debt Securities, Available-for-sale [Line Items] |  |
Investments, Cost Basis | $ 65,980 | $ 87,354
Unrealized Gains (Losses) | (5) | (22)
Total investments | 159,004 | 195,995
Cash and Cash Equivalents |  |
Debt Securities, Available-for-sale [Line Items] |  |
Total investments | 149,351 | 148,132
Short-term Investments and Marketable Securities |  |
Debt Securities, Available-for-sale [Line Items] |  |
Total investments | 9,653 | 47,863
Level 1 |  |
Debt Securities, Available-for-sale [Line Items] |  |
Cash | 93,029 | 108,663
Level 1 | Cash and Cash Equivalents |  |
Debt Securities, Available-for-sale [Line Items] |  |
Cash | 93,029 | 108,663
Level 1 | Money market fund |  |
Debt Securities, Available-for-sale [Line Items] |  |
Investments, Cost Basis | 56,322 | 39,469
Unrealized Gains (Losses) | 0 | 0
Investments, Fair Value | 56,322 | 39,469
Level 1 | Money market fund | Cash and Cash Equivalents |  |
Debt Securities, Available-for-sale [Line Items] |  |
Investments, Fair Value | 56,322 | 39,469
Level 1 | Money market fund | Short-term Investments and Marketable Securities |  |
Debt Securities, Available-for-sale [Line Items] |  |
Investments, Fair Value | 0 | 0
Level 1 | U.S. Treasury bonds |  |
Debt Securities, Available-for-sale [Line Items] |  |
Investments, Cost Basis | 4,830 | 9,396
Unrealized Gains (Losses) | (2) | (13)
Investments, Fair Value | 4,828 | 9,383
Level 1 | U.S. Treasury bonds | Cash and Cash Equivalents |  |
Debt Securities, Available-for-sale [Line Items] |  |
Investments, Fair Value | 0 | 0
Level 1 | U.S. Treasury bonds | Short-term Investments and Marketable Securities |  |
Debt Securities, Available-for-sale [Line Items] |  |
Investments, Fair Value | 4,828 | 9,383
Level 2 | Agency bonds |  |
Debt Securities, Available-for-sale [Line Items] |  |
Investments, Cost Basis | 4,828 | 2,432
Unrealized Gains (Losses) | (3) | 3
Investments, Fair Value | 4,825 | 2,435
Level 2 | Agency bonds | Cash and Cash Equivalents |  |
Debt Securities, Available-for-sale [Line Items] |  |
Investments, Fair Value | 0 | 0
Level 2 | Agency bonds | Short-term Investments and Marketable Securities |  |
Debt Securities, Available-for-sale [Line Items] |  |
Investments, Fair Value | $ 4,825 | 2,435
Level 2 | Commercial paper |  |
Debt Securities, Available-for-sale [Line Items] |  |
Investments, Cost Basis |  | 26,704
Unrealized Gains (Losses) |  | 0
Investments, Fair Value |  | 26,704
Level 2 | Commercial paper | Cash and Cash Equivalents |  |
Debt Securities, Available-for-sale [Line Items] |  |
Investments, Fair Value |  | 0
Level 2 | Commercial paper | Short-term Investments and Marketable Securities |  |
Debt Securities, Available-for-sale [Line Items] |  |
Investments, Fair Value |  | 26,704
Level 2 | Corporate bonds |  |
Debt Securities, Available-for-sale [Line Items] |  |
Investments, Cost Basis |  | 9,353
Unrealized Gains (Losses) |  | (12)
Investments, Fair Value |  | 9,341
Level 2 | Corporate bonds | Cash and Cash Equivalents |  |
Debt Securities, Available-for-sale [Line Items] |  |
Investments, Fair Value |  | 0
Level 2 | Corporate bonds | Short-term Investments and Marketable Securities |  |
Debt Securities, Available-for-sale [Line Items] |  |
Investments, Fair Value |  | $ 9,341

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