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Investments - Scheduled Maturities (Details) - USD ($) $ in Thousands | Dec. 31, 2023 | Dec. 31, 2022
--- | --- | ---
Amortized Cost |  |
Within one year | $ 16,799 | $ 58,733
After one year through five years | 0 | 0
After 5 years through 10 years | 0 | 0
After 10 years | 0 | 0
Total investments | 16,799 | 58,733
Fair Value |  |
Within one year | 16,789 | 58,589
After one year through five years | 0 | 0
After 5 years through 10 years | 0 | 0
After 10 years | 0 | 0
Total investments | $ 16,789 | $ 58,589

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