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Note 6 - Investments - Fixed Maturities by Contractual Maturity Periods (Details) - USD ($) $ in Thousands | Sep. 30, 2024 | Dec. 31, 2023
--- | --- | ---
Due in one year or less | $ 7,166 |
Due in one year or less, estimated fair value | 7,110 |
Due after one year through five years | 24,885 |
Due after one year through five years, estimated fair value | 24,442 |
Due after five years through ten years | 1,458 |
Due after five years through ten years, estimated fair value | 1,440 |
Due after ten years | 4,126 |
Due after ten years, estimated fair value | 3,864 |
Total | 37,635 | $ 38,107
Total, estimated fair value | $ 36,856 | $ 36,473

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