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v3.25.1

Short-Term Investments (Tables) | 3 Months Ended
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Mar. 31, 2025
Investments, Debt and Equity Securities [Abstract] |
Schedule of amortized costs, gross unrealized gains and losses, and fair values of investments | ​
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March 31, 2025 | ​ | ​ | ​ | Gross | ​ | Gross | ​ | ​ | ​
(in thousands) | Amortized Cost |  | Unrealized Gains |  | Unrealized Losses |  | Fair Value
Short-term U.S. treasury securities | $ | 182,325 | ​ | $ | 148 | ​ | $ | (1) | ​ | $ | 182,472
Total | $ | 182,325 | ​ | $ | 148 | ​ | $ | (1) | ​ | $ | 182,472
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December 31, 2024 | ​ | ​ | ​ | Gross | ​ | Gross | ​ | ​ | ​
(in thousands) | Amortized Cost |  | Unrealized Gains |  | Unrealized Losses |  | Fair Value
Short-term U.S. treasury securities | $ | 132,615 | ​ | $ | 167 | ​ | $ | — | ​ | $ | 132,782
Total | $ | 132,615 | ​ | $ | 167 | ​ | $ | — | ​ | $ | 132,782

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