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Securities - Continuous Unrealized Loss Position - Additional information (Details) $ in Thousands | 6 Months Ended |
--- | --- | ---
Jun. 30, 2019 USD ($) security | Dec. 31, 2018 USD ($)
Schedule Of Available For Sale Securities |  |
Securities held to maturity, fair value | $ | $ 1,769 | $ 1,735
Gross Unrealized Losses | $ |  | 26
Securities of U.S. government and federal agencies |  |
Schedule Of Available For Sale Securities |  |
Securities held to maturity, fair value | $ | $ 1,500 | 1,477
Gross Unrealized Losses | $ |  | $ 20
Securities of U.S. government and federal agencies | Held-to-maturity |  |
Schedule Of Available For Sale Securities |  |
Number of investment securities | 1 |
Securities of state and local municipalities |  |
Schedule Of Available For Sale Securities |  |
Number of investment securities | 9 |
Securities of state and local municipalities | AA+ |  |
Schedule Of Available For Sale Securities |  |
Number of investment securities | 5 |
Securities of state and local municipalities | AA- |  |
Schedule Of Available For Sale Securities |  |
Number of investment securities | 1 |
Securities of state and local municipalities | AA |  |
Schedule Of Available For Sale Securities |  |
Number of investment securities | 1 |
Securities of state and local municipalities | No rating |  |
Schedule Of Available For Sale Securities |  |
Number of investment securities | 2 |
Corporate bonds | A- |  |
Schedule Of Available For Sale Securities |  |
Number of investment securities | 1 |
Mortgage-backed securities |  |
Schedule Of Available For Sale Securities |  |
Number of investment securities | 42 |

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