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v3.25.3

Fair Value Measurements (Tables) | 9 Months Ended
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Sep. 30, 2025
Fair Value Measurements |
Schedule of cash equivalents and short-term investments | Cash equivalents and short-term investments as of September 30, 2025 and December 31, 2024 consist of the following (in thousands): ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | September 30, 2025
​ |  | Amortized Cost |  | Unrealized Gains |  | Unrealized Losses |  | Fair Value
Cash equivalents: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Money market funds | ​ | $ | 166,318 | ​ | $ | — | ​ | $ | — | ​ | $ | 166,318
Short-term investments: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
U.S. Government treasury securities | ​ | ​ | 211,245 | ​ | ​ | 109 | ​ | ​ | — | ​ | ​ | 211,354
Total | ​ | $ | 377,563 | ​ | $ | 109 | ​ | $ | — | ​ | $ | 377,672
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | December 31, 2024
​ |  | Amortized Cost |  | Unrealized Gains |  | Unrealized Losses |  | Fair Value
Cash equivalents: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Money market funds | ​ | $ | 161,094 | ​ | $ | — | ​ | $ | — | ​ | $ | 161,094
Short-term investments: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
U.S. Government treasury securities | ​ | ​ | 264,074 | ​ | ​ | 309 | ​ | ​ | (88) | ​ | ​ | 264,295
Total | ​ | $ | 425,168 | ​ | $ | 309 | ​ | $ | (88) | ​ | $ | 425,389

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