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Investments (Amortized Cost and Fair Values of HTM Securities by Contractual Maturity (Details) - USD ($) $ in Thousands | Dec. 31, 2020 | Dec. 31, 2019
--- | --- | ---
Held-to-maturity, Amortized Cost |  |
Due in one year or less | $ 0 |
Due after one year through five years | 510 |
Due after five years through ten years | 787 |
Due after ten years | 0 |
HTM securities | 1,297 | $ 1,302
Held-to-maturity, Fair Value |  |
Due in one year or less | 0 |
Due after one year through five years | 547 |
Due after five years through ten years | 864 |
Due after ten years | 0 |
Debt Securities, Held-to-maturity, Fair Value | $ 1,411 | $ 1,359

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