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Investments - Amortized Cost and Fair Value of Fixed Maturity Securities by Contractual Maturity (Details) - USD ($) $ in Thousands | Dec. 31, 2020 | Dec. 31, 2019
--- | --- | ---
Amortized cost |  |
Due in one year or less | $ 11,214 | $ 4,616
Due after one year through five years | 23,348 | 27,195
Due after five years through ten years | 1,000 | 0
Amortized Cost, Total | 35,562 | 31,811
Fair value |  |
Due in one year or less | 11,283 | 4,628
Due after one year through five years | 23,976 | 27,378
Due after five years through ten years | 995 | 0
Fair Value, Total | $ 36,254 | $ 32,006

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