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Investments (Details) - USD ($) $ in Thousands | Dec. 31, 2024 | Dec. 31, 2023
--- | --- | ---
Debt Securities, Available-for-sale [Line Items] |  |
Estimated Fair Value | $ 20,821 | $ 19,808
Interest receivable | 125 | 151
U.S. government agency bonds |  |
Debt Securities, Available-for-sale [Line Items] |  |
Amortized Cost | 20,686 | 19,651
Gross Unrealized Gains | 135 | 157
Estimated Fair Value | $ 20,821 | $ 19,808

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