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Cash Equivalents and Marketable Securities - Investment Profile (Details) - USD ($) $ in Thousands | Sep. 30, 2024 | Dec. 31, 2023
--- | --- | ---
Debt Securities, Available-for-sale [Line Items] |  |
Debt securities, available-for-sale, current | $ 188,387 | $ 0
Cash equivalents, at carrying value and debt securities, available-for-sale, amortized cost | 322,556 |
Cash equivalents and debt securities, available-for-sale, accumulated gross unrealized gain, current, before tax | 1,331 |
Cash equivalents and debt securities, available-for-sale, accumulated gross unrealized loss, current, before tax | 0 |
Cash equivalents and debt securities, available-for-sale, fair value disclosure | 323,887 |
Money market funds |  |
Debt Securities, Available-for-sale [Line Items] |  |
Cash equivalents, at carrying value | 81,359 |
Cash equivalents, accumulated gross unrealized gain, current, before tax | 0 |
Cash equivalents, accumulated gross unrealized loss, current, before tax | 0 |
Cash equivalents, fair value disclosure | 81,359 |
Debt securities issued by U.S. government agencies |  |
Debt Securities, Available-for-sale [Line Items] |  |
Debt securities, available-for-sale, amortized cost, current | 143,283 |
Debt securities, available-for-sale, accumulated gross unrealized gain, current, before tax | 900 |
Debt securities, available-for-sale, accumulated gross unrealized loss, current, before tax | 0 |
Debt securities, available-for-sale, current | 144,183 |
Corporate debt securities |  |
Debt Securities, Available-for-sale [Line Items] |  |
Debt securities, available-for-sale, amortized cost, current | 74,715 |
Debt securities, available-for-sale, accumulated gross unrealized gain, current, before tax | 370 |
Debt securities, available-for-sale, accumulated gross unrealized loss, current, before tax | 0 |
Debt securities, available-for-sale, current | 75,085 |
Commercial paper |  |
Debt Securities, Available-for-sale [Line Items] |  |
Debt securities, available-for-sale, amortized cost, current | 18,543 |
Debt securities, available-for-sale, accumulated gross unrealized gain, current, before tax | 45 |
Debt securities, available-for-sale, accumulated gross unrealized loss, current, before tax | 0 |
Debt securities, available-for-sale, current | 18,588 |
Other debt securities |  |
Debt Securities, Available-for-sale [Line Items] |  |
Debt securities, available-for-sale, amortized cost, current | 4,656 |
Debt securities, available-for-sale, accumulated gross unrealized gain, current, before tax | 16 |
Debt securities, available-for-sale, accumulated gross unrealized loss, current, before tax | 0 |
Debt securities, available-for-sale, current | $ 4,672 |

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