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Investments (Tables) | 9 Months Ended
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Sep. 30, 2025
Investments, Debt and Equity Securities [Abstract] |
Schedule of Available-for-sale Investments | Available-for-sale investments consisted of the following as of September 30, 2025 and December 31, 2024 (in thousands):
|  | September 30, 2025 |
|  | Amortized Cost |  |  | Unrealized Gain |  |  | Unrealized Loss |  |  | Estimated Fair Value |
Short-term marketable securities |  |  |  |  |  |  |  |  |  |  |  |
Commercial paper |  | $ | 7,394 |  |  | $ | 3 |  |  | $ | — |  |  | $ | 7,397 |
U.S. government treasury securities |  |  | 120,819 |  |  |  | 180 |  |  |  | (8 | ) |  |  | 120,991 |
Corporate bonds |  |  | 29,311 |  |  |  | 38 |  |  |  | (2 | ) |  |  | 29,347 |
Total short-term marketable securities |  | $ | 157,524 |  |  | $ | 221 |  |  | $ | (10 | ) |  | $ | 157,735 |
Long-term marketable securities |  |  |  |  |  |  |  |  |  |  |  |
U.S. government treasury securities |  | $ | 4,037 |  |  | $ | — |  |  | $ | — |  |  | $ | 4,037 |
Total long-term marketable securities |  | $ | 4,037 |  |  | $ | — |  |  | $ | — |  |  | $ | 4,037 |
|  | December 31, 2024 |
|  | Amortized Cost |  |  | Unrealized Gain |  |  | Unrealized Loss |  |  | Estimated Fair Value |
Short-term marketable securities |  |  |  |  |  |  |  |  |  |  |  |
Commercial paper |  | $ | 2,476 |  |  | $ | 3 |  |  | $ | — |  |  | $ | 2,479 |
U.S. government treasury securities |  |  | 153,353 |  |  |  | 211 |  |  |  | (43 | ) |  |  | 153,521 |
Corporate bonds |  |  | 18,357 |  |  |  | 19 |  |  |  | (2 | ) |  |  | 18,374 |
Total short-term marketable securities |  | $ | 174,186 |  |  | $ | 233 |  |  | $ | (45 | ) |  | $ | 174,374 |
Long-term marketable securities |  |  |  |  |  |  |  |  |  |  |  |
U.S. government treasury securities |  | $ | 33,682 |  |  | $ | 27 |  |  | $ | (49 | ) |  | $ | 33,660 |
Total long-term marketable securities |  | $ | 33,682 |  |  | $ | 27 |  |  | $ | (49 | ) |  | $ | 33,660 |
Schedule of Gross Unrealized Holding Losses and Fair Values for Investments in Unrealized Loss Position | The following table presents the gross unrealized holding losses and fair values for investments in an unrealized loss position, and the length of time individual securities have been in a continuous loss position, as of September 30, 2025 (in thousands):
|  | Less Than 12 Months |  |  | 12 Months Or Greater |
|  | Fair Value |  |  | Unrealized Loss |  |  | Fair Value |  |  | Unrealized Loss |
U.S. government treasury securities |  | $ | 16,969 |  |  | $ | (2 | ) |  | $ | 12,951 |  |  | $ | (6 | )
Corporate bonds |  |  | 7,812 |  |  |  | (2 | ) |  |  | — |  |  |  | — |
Total available-for-sale securities |  | $ | 24,781 |  |  | $ | (4 | ) |  | $ | 12,951 |  |  | $ | (6 | )

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