Marketable Debt Securities - Interest and Investment Income (Details) - USD ($) $ in Thousands |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Sep. 30, 2025 |
Sep. 30, 2024 |
Sep. 30, 2025 |
Sep. 30, 2024 |
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| Investments, Debt and Equity Securities [Abstract] | ||||
| Interest income | $ 242 | $ 194 | $ 425 | $ 843 |
| Accretion of discount, net | 532 | 1,652 | 2,585 | 4,576 |
| Total interest and investment income | $ 774 | $ 1,846 | $ 3,010 | $ 5,419 |
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- Definition Amount before accretion (amortization) of purchase discount (premium) of interest income on nonoperating securities. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount after accretion (amortization) of discount (premium), and investment expense, of interest income and dividend income on nonoperating securities. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of accretion (amortization) of purchase discount (premium) on nonoperating securities. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- References No definition available.
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