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Securities (Contractual Maturity) (Details) - USD ($) $ in Thousands | Mar. 31, 2019 | Dec. 31, 2018
--- | --- | ---
Available-for-Sale, Amortized Cost |  |
Due in one year or less | $ 1,716 |
Due in one year through five years | 20,200 |
Due in five through ten years | 27,184 |
Due in over ten years | 108,351 |
Amortized cost | 157,451 | $ 140,337
Available-for-Sale, Estimated Fair Value |  |
Due in one year or less | 1,717 |
Due in one year through five years | 20,030 |
Due in five through ten years | 27,038 |
Due in over ten years | 107,998 |
Estimated fair value | 156,783 | 138,358
Held-to-Maturity, Amortized Cost |  |
Due in one year or less | 1,267 |
Due in one year through five years | 12,346 |
Due in five through ten years | 16,428 |
Due in over ten years | 5,873 |
Amortized cost | 35,914 | 37,731
Held-to-Maturity, Estimated Fair Value |  |
Due in one year or less | 1,267 |
Due in one year through five years | 12,422 |
Due in five through ten years | 16,461 |
Due in over ten years | 5,855 |
Estimated Fair Value | $ 36,005 | $ 37,409

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