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Fair Value of Assets and Liabilities (Details) - Available-For-Sale Securities [Member] - USD ($) $ in Thousands | Mar. 31, 2018 | Dec. 31, 2017
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U.S. Treasury and Government Agencies [Member] |  |
Summary of fair value measurements of assets measured at fair value on a recurring basis |  |
Assets, Fair value, Recurring | $ 14,166 | $ 12,708
Mortgage-backed securities [Member] |  |
Summary of fair value measurements of assets measured at fair value on a recurring basis |  |
Assets, Fair value, Recurring | 64,731 | 56,762
State and political subdivisions [Member] |  |
Summary of fair value measurements of assets measured at fair value on a recurring basis |  |
Assets, Fair value, Recurring | 13,090 | 13,250
Equity securities [Member] |  |
Summary of fair value measurements of assets measured at fair value on a recurring basis |  |
Assets, Fair value, Recurring |  | 70
Interest rate contracts - assets [Member] |  |
Summary of fair value measurements of assets measured at fair value on a recurring basis |  |
Assets, Fair value, Recurring | 1,144 | 698
Interest rate contracts - liabilities [Member] |  |
Summary of fair value measurements of assets measured at fair value on a recurring basis |  |
Assets, Fair value, Recurring | (1,144) | (698)
Level 1 [Member] | U.S. Treasury and Government Agencies [Member] |  |
Summary of fair value measurements of assets measured at fair value on a recurring basis |  |
Assets, Fair value, Recurring |  |
Level 1 [Member] | Mortgage-backed securities [Member] |  |
Summary of fair value measurements of assets measured at fair value on a recurring basis |  |
Assets, Fair value, Recurring |  |
Level 1 [Member] | State and political subdivisions [Member] |  |
Summary of fair value measurements of assets measured at fair value on a recurring basis |  |
Assets, Fair value, Recurring |  |
Level 1 [Member] | Equity securities [Member] |  |
Summary of fair value measurements of assets measured at fair value on a recurring basis |  |
Assets, Fair value, Recurring |  |
Level 1 [Member] | Interest rate contracts - assets [Member] |  |
Summary of fair value measurements of assets measured at fair value on a recurring basis |  |
Assets, Fair value, Recurring |  |
Level 1 [Member] | Interest rate contracts - liabilities [Member] |  |
Summary of fair value measurements of assets measured at fair value on a recurring basis |  |
Assets, Fair value, Recurring |  |
Level 2 [Member] | U.S. Treasury and Government Agencies [Member] |  |
Summary of fair value measurements of assets measured at fair value on a recurring basis |  |
Assets, Fair value, Recurring | 14,166 | 12,708
Level 2 [Member] | Mortgage-backed securities [Member] |  |
Summary of fair value measurements of assets measured at fair value on a recurring basis |  |
Assets, Fair value, Recurring | 64,731 | 56,762
Level 2 [Member] | State and political subdivisions [Member] |  |
Summary of fair value measurements of assets measured at fair value on a recurring basis |  |
Assets, Fair value, Recurring | 13,090 | 13,250
Level 2 [Member] | Equity securities [Member] |  |
Summary of fair value measurements of assets measured at fair value on a recurring basis |  |
Assets, Fair value, Recurring |  | 70
Level 2 [Member] | Interest rate contracts - assets [Member] |  |
Summary of fair value measurements of assets measured at fair value on a recurring basis |  |
Assets, Fair value, Recurring | 1,144 | 698
Level 2 [Member] | Interest rate contracts - liabilities [Member] |  |
Summary of fair value measurements of assets measured at fair value on a recurring basis |  |
Assets, Fair value, Recurring | (1,144) | (698)
Level 3 [Member] | U.S. Treasury and Government Agencies [Member] |  |
Summary of fair value measurements of assets measured at fair value on a recurring basis |  |
Assets, Fair value, Recurring |  |
Level 3 [Member] | Mortgage-backed securities [Member] |  |
Summary of fair value measurements of assets measured at fair value on a recurring basis |  |
Assets, Fair value, Recurring |  |
Level 3 [Member] | State and political subdivisions [Member] |  |
Summary of fair value measurements of assets measured at fair value on a recurring basis |  |
Assets, Fair value, Recurring |  |
Level 3 [Member] | Equity securities [Member] |  |
Summary of fair value measurements of assets measured at fair value on a recurring basis |  |
Assets, Fair value, Recurring |  |
Level 3 [Member] | Interest rate contracts - assets [Member] |  |
Summary of fair value measurements of assets measured at fair value on a recurring basis |  |
Assets, Fair value, Recurring |  |
Level 3 [Member] | Interest rate contracts - liabilities [Member] |  |
Summary of fair value measurements of assets measured at fair value on a recurring basis |  |
Assets, Fair value, Recurring |  |

X
- Definition Fair value measurements of securities measured at fair value on a recurring basis. + References No definition available. + Details
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- Definition This element represents the aggregate of the assets reported on the balance sheet at period end measured at fair value on a recurring basis by the entity. This element is intended to be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. + References No definition available. + Details
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- Details
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- Details
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- Details
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