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Short-Term Investments (Details) $ in Thousands | Dec. 31, 2024 USD ($) item | Dec. 31, 2023 USD ($) item
--- | --- | ---
Short-Term Investments |  |
Amortized Cost | $ 268,149 |
Gross Unrealized Gains | 167 |
Gross Unrealized Losses | (4) |
Fair Value | $ 268,312 |
Short-term Investments |  |
Short-Term Investments |  |
Amortized Cost |  | $ 71,000
Fair Value |  | $ 71,000
Number of short term investments in unrealized loss position for less than 12 months | item | 2 | 0
Aggregate value of short term investments in unrealized loss position for less than 12 months | $ 9,800 |
Treasury notes |  |
Short-Term Investments |  |
Amortized Cost | 129,064 |
Gross Unrealized Gains | 136 |
Gross Unrealized Losses | (3) |
Fair Value | 129,197 |
Reverse repurchase agreements |  |
Short-Term Investments |  |
Amortized Cost | 100,000 | $ 71,000
Fair Value | 100,000 | $ 71,000
Treasury bills |  |
Short-Term Investments |  |
Amortized Cost | 39,085 |
Gross Unrealized Gains | 31 |
Gross Unrealized Losses | (1) |
Fair Value | $ 39,115 |

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