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Investments (Tables) | 3 Months Ended
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Mar. 31, 2025
Investments, Debt and Equity Securities [Abstract] |
Schedule of Available-for-sale Investments | Available-for-sale investments consisted of the following as of March 31, 2025 and December 31, 2024 (in thousands):
|  | March 31, 2025 |
|  | Amortized Cost |  |  | Unrealized Gain |  |  | Unrealized Loss |  |  | Estimated Fair Value |
Short-term marketable securities |  |  |  |  |  |  |  |  |  |  |  |
U.S. government treasury securities |  | $ | 127,134 |  |  | $ | 68 |  |  | $ | (42 | ) |  | $ | 127,160 |
Corporate bonds |  |  | 15,610 |  |  |  | 8 |  |  |  | — |  |  |  | 15,618 |
Total short-term marketable securities |  | $ | 142,744 |  |  | $ | 76 |  |  | $ | (42 | ) |  | $ | 142,778 |
Long-term marketable securities |  |  |  |  |  |  |  |  |  |  |  |
U.S. government treasury securities |  | $ | 33,957 |  |  | $ | 89 |  |  | $ | (1 | ) |  | $ | 34,045 |
Corporate bonds |  |  | 5,298 |  |  |  | 12 |  |  |  | — |  |  |  | 5,310 |
Total long-term marketable securities |  | $ | 39,255 |  |  | $ | 101 |  |  | $ | (1 | ) |  | $ | 39,355 |
|  | 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 March 31, 2025 (in thousands):
|  | Less Than 12 Months |  |  | 12 Months Or Greater |
|  | Fair Value |  |  | Unrealized Loss |  |  | Fair Value |  |  | Unrealized Loss |
U.S. government treasury securities |  | $ | 51,178 |  |  | $ | (43 | ) |  | $ | — |  |  | $ | — |
Total available-for-sale securities |  | $ | 51,178 |  |  | $ | (43 | ) |  | $ | — |  |  | $ | — |

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- Definition Tabular disclosure of fair value of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in unrealized loss position, without allowance for credit loss. Includes beneficial interest in securitized financial asset. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 326 -SubTopic 30 -Name Accounting Standards Codification -Section 55 -Paragraph 8 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479081/326-30-55-8 Reference 2: http://fasb.org/us-gaap/role/ref/otherTransitionRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481800/320-10-50-6 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 326 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479106/326-30-50-4 + Details
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