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Fair Value Measurements and Fair Value of Financial Instruments (Details) - Schedule of Fair Value on a recurring basis - USD ($) $ in Thousands | Sep. 30, 2017 | Dec. 31, 2016
--- | --- | ---
Assets |  |
Securities: Available-for-sale, Fair Value | $ 400,516 | $ 353,290
Derivatives | 164 | 88
Assets: Available-for-sale, Fair Value | 400,680 | 353,378
Federal Agency Obligations [Member] |  |
Assets |  |
Securities: Available-for-sale, Fair Value | 55,938 | 52,837
Residential mortgage pass-through securities [Member] |  |
Assets |  |
Securities: Available-for-sale, Fair Value | 133,164 | 72,497
Commercial mortgage pass-through securities [Member] |  |
Assets |  |
Securities: Available-for-sale, Fair Value | 4,130 | 4,209
Obligations of U.S. states and political subdivisions [Member] |  |
Assets |  |
Securities: Available-for-sale, Fair Value | 144,976 | 150,605
Trust Preferred Securities [Member] |  |
Assets |  |
Securities: Available-for-sale, Fair Value | 4,627 | 5,666
Corporate Bonds And Notes [Member] |  |
Assets |  |
Securities: Available-for-sale, Fair Value | 30,088 | 36,928
Asset-backed Securities [Member] |  |
Assets |  |
Securities: Available-for-sale, Fair Value | 12,633 | 14,583
Certificates of Deposit [Member] |  |
Assets |  |
Securities: Available-for-sale, Fair Value | 627 | 983
Equity Securities [Member] |  |
Assets |  |
Securities: Available-for-sale, Fair Value | 630 | 568
Other Securities [Member] |  |
Assets |  |
Securities: Available-for-sale, Fair Value | 13,703 | 14,414
Fair Value, Inputs, Level 1 [Member] |  |
Assets |  |
Securities: Available-for-sale, Fair Value | 14,333 | 14,982
Derivatives |  |
Assets: Available-for-sale, Fair Value | 14,333 | 14,982
Fair Value, Inputs, Level 1 [Member] | Federal Agency Obligations [Member] |  |
Assets |  |
Securities: Available-for-sale, Fair Value |  |
Fair Value, Inputs, Level 1 [Member] | Residential mortgage pass-through securities [Member] |  |
Assets |  |
Securities: Available-for-sale, Fair Value |  |
Fair Value, Inputs, Level 1 [Member] | Commercial mortgage pass-through securities [Member] |  |
Assets |  |
Securities: Available-for-sale, Fair Value |  |
Fair Value, Inputs, Level 1 [Member] | Obligations of U.S. states and political subdivisions [Member] |  |
Assets |  |
Securities: Available-for-sale, Fair Value |  |
Fair Value, Inputs, Level 1 [Member] | Trust Preferred Securities [Member] |  |
Assets |  |
Securities: Available-for-sale, Fair Value |  |
Fair Value, Inputs, Level 1 [Member] | Corporate Bonds And Notes [Member] |  |
Assets |  |
Securities: Available-for-sale, Fair Value |  |
Fair Value, Inputs, Level 1 [Member] | Asset-backed Securities [Member] |  |
Assets |  |
Securities: Available-for-sale, Fair Value |  |
Fair Value, Inputs, Level 1 [Member] | Equity Securities [Member] |  |
Assets |  |
Securities: Available-for-sale, Fair Value | 630 | 568
Fair Value, Inputs, Level 1 [Member] | Other Securities [Member] |  |
Assets |  |
Securities: Available-for-sale, Fair Value | 13,703 | 14,414
Fair Value, Inputs, Level 1 [Member] | Certificate Of Deposit [Member] |  |
Assets |  |
Securities: Available-for-sale, Fair Value |  |
Fair Value, Inputs, Level 2 [Member] |  |
Assets |  |
Securities: Available-for-sale, Fair Value | 368,318 | 320,090
Derivatives | 164 | 88
Assets: Available-for-sale, Fair Value | 368,482 | 320,178
Fair Value, Inputs, Level 2 [Member] | Federal Agency Obligations [Member] |  |
Assets |  |
Securities: Available-for-sale, Fair Value | 55,938 | 52,837
Fair Value, Inputs, Level 2 [Member] | Residential mortgage pass-through securities [Member] |  |
Assets |  |
Securities: Available-for-sale, Fair Value | 133,164 | 72,497
Fair Value, Inputs, Level 2 [Member] | Commercial mortgage pass-through securities [Member] |  |
Assets |  |
Securities: Available-for-sale, Fair Value | 4,130 | 4,209
Fair Value, Inputs, Level 2 [Member] | Obligations of U.S. states and political subdivisions [Member] |  |
Assets |  |
Securities: Available-for-sale, Fair Value | 127,111 | 132,387
Fair Value, Inputs, Level 2 [Member] | Trust Preferred Securities [Member] |  |
Assets |  |
Securities: Available-for-sale, Fair Value | 4,627 | 5,666
Fair Value, Inputs, Level 2 [Member] | Corporate Bonds And Notes [Member] |  |
Assets |  |
Securities: Available-for-sale, Fair Value | 30,088 | 36,928
Fair Value, Inputs, Level 2 [Member] | Asset-backed Securities [Member] |  |
Assets |  |
Securities: Available-for-sale, Fair Value | 12,633 | 14,583
Fair Value, Inputs, Level 2 [Member] | Equity Securities [Member] |  |
Assets |  |
Securities: Available-for-sale, Fair Value |  |
Fair Value, Inputs, Level 2 [Member] | Other Securities [Member] |  |
Assets |  |
Securities: Available-for-sale, Fair Value |  |
Fair Value, Inputs, Level 2 [Member] | Certificate Of Deposit [Member] |  |
Assets |  |
Securities: Available-for-sale, Fair Value | 627 | 983
Fair Value, Inputs, Level 3 [Member] |  |
Assets |  |
Securities: Available-for-sale, Fair Value | 17,685 | 18,218
Derivatives |  |
Assets: Available-for-sale, Fair Value | 17,685 | 18,218
Fair Value, Inputs, Level 3 [Member] | Federal Agency Obligations [Member] |  |
Assets |  |
Securities: Available-for-sale, Fair Value |  |
Fair Value, Inputs, Level 3 [Member] | Residential mortgage pass-through securities [Member] |  |
Assets |  |
Securities: Available-for-sale, Fair Value |  |
Fair Value, Inputs, Level 3 [Member] | Commercial mortgage pass-through securities [Member] |  |
Assets |  |
Securities: Available-for-sale, Fair Value |  |
Fair Value, Inputs, Level 3 [Member] | Obligations of U.S. states and political subdivisions [Member] |  |
Assets |  |
Securities: Available-for-sale, Fair Value | 17,865 | 18,218
Fair Value, Inputs, Level 3 [Member] | Trust Preferred Securities [Member] |  |
Assets |  |
Securities: Available-for-sale, Fair Value |  |
Fair Value, Inputs, Level 3 [Member] | Corporate Bonds And Notes [Member] |  |
Assets |  |
Securities: Available-for-sale, Fair Value |  |
Fair Value, Inputs, Level 3 [Member] | Asset-backed Securities [Member] |  |
Assets |  |
Securities: Available-for-sale, Fair Value |  |
Fair Value, Inputs, Level 3 [Member] | Equity Securities [Member] |  |
Assets |  |
Securities: Available-for-sale, Fair Value |  |
Fair Value, Inputs, Level 3 [Member] | Other Securities [Member] |  |
Assets |  |
Securities: Available-for-sale, Fair Value |  |
Fair Value, Inputs, Level 3 [Member] | Certificate Of Deposit [Member] |  |
Assets |  |
Securities: Available-for-sale, Fair Value |  |

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