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Marketable Securities - (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021
Investments |  |
Amortized Cost | $ 134,775 | $ 207,917
Gross Unrealized Gain |  | 3
Gross Unrealized Loss | (1,494) | (666)
Estimated Fair Value | 133,281 | 207,254
Unrealized losses in a continuous loss position for more than twelve consecutive months | 91,800 |
Gross realized gains | 9 | 57
Interest income | 700 | 1,000
Cost Maturities: |  |
Within 1 year | 105,930 |
Between 1 to 2 years | 28,845 |
Total investments available for sale | 134,775 |
Fair Value Maturities: |  |
Within 1 year | 104,660 |
Between 1 to 2 years | 28,621 |
Total investments available for sale | 133,281 |
Corporate bonds |  |
Investments |  |
Amortized Cost | 133,163 | 207,917
Gross Unrealized Gain |  | 3
Gross Unrealized Loss | (1,457) | (666)
Estimated Fair Value | 131,706 | $ 207,254
U.S. Government agencies |  |
Investments |  |
Amortized Cost | 1,612 |
Gross Unrealized Loss | (37) |
Estimated Fair Value | $ 1,575 |

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