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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, 2018 | Dec. 31, 2017
--- | --- | ---
Assets |  |
Securities available-for-sale, Fair Value | $ 410,039 | $ 435,284
Derivatives | 1,906 | 798
Fair Value, Inputs, Level 1 [Member] |  |
Assets |  |
Securities available-for-sale, Fair Value | 975 | 15,150
Fair Value, Inputs, Level 2 [Member] |  |
Assets |  |
Securities available-for-sale, Fair Value | 399,623 | 410,502
Fair Value, Inputs, Level 3 [Member] |  |
Assets |  |
Securities available-for-sale, Fair Value | 9,441 | 9,632
Federal agency obligations [Member] |  |
Assets |  |
Securities available-for-sale, Fair Value | 47,534 | 56,022
Residential mortgage pass-through securities [Member] |  |
Assets |  |
Securities available-for-sale, Fair Value | 190,551 | 181,891
Commercial mortgage pass-through securities [Member] |  |
Assets |  |
Securities available-for-sale, Fair Value | 3,843 | 4,054
Obligations of U.S. states and political subdivisions [Member] |  |
Assets |  |
Securities available-for-sale, Fair Value | 130,388 | 131,128
Corporate bonds and notes [Member] |  |
Assets |  |
Securities available-for-sale, Fair Value | 25,962 | 29,693
Asset-backed securities [Member] |  |
Assets |  |
Securities available-for-sale, Fair Value | 10,363 | 12,050
Certificates of deposit [Member] |  |
Assets |  |
Securities available-for-sale, Fair Value | 423 | 625
Other securities [Member] |  |
Assets |  |
Securities available-for-sale, Fair Value | 975 | 3,422
Trust preferred securities [Member] |  |
Assets |  |
Securities available-for-sale, Fair Value |  | 4,671
Equity securities [Member] |  |
Assets |  |
Securities available-for-sale, Fair Value |  | 11,728
Recurring [Member] |  |
Assets |  |
Securities available-for-sale, Fair Value | 410,039 | 435,284
Equity securities | 11,403 |
Derivatives | 1,906 | 798
Assets: Available-for-sale, Fair Value | 423,348 | 436,082
Recurring [Member] | Fair Value, Inputs, Level 1 [Member] |  |
Assets |  |
Securities available-for-sale, Fair Value | 975 | 15,150
Equity securities | 11,403 |
Derivatives |  |
Assets: Available-for-sale, Fair Value | 12,378 | 15,150
Recurring [Member] | Fair Value, Inputs, Level 2 [Member] |  |
Assets |  |
Securities available-for-sale, Fair Value | 399,623 | 410,502
Equity securities |  |
Derivatives | 1,906 | 798
Assets: Available-for-sale, Fair Value | 401,529 | 411,300
Recurring [Member] | Fair Value, Inputs, Level 3 [Member] |  |
Assets |  |
Securities available-for-sale, Fair Value | 9,441 | 9,632
Equity securities |  |
Derivatives |  |
Assets: Available-for-sale, Fair Value | 9,441 | 9,632
Recurring [Member] | Federal agency obligations [Member] |  |
Assets |  |
Securities available-for-sale, Fair Value | 47,534 | 56,022
Recurring [Member] | Federal agency obligations [Member] | Fair Value, Inputs, Level 1 [Member] |  |
Assets |  |
Securities available-for-sale, Fair Value |  |
Recurring [Member] | Federal agency obligations [Member] | Fair Value, Inputs, Level 2 [Member] |  |
Assets |  |
Securities available-for-sale, Fair Value | 47,534 | 56,022
Recurring [Member] | Federal agency obligations [Member] | Fair Value, Inputs, Level 3 [Member] |  |
Assets |  |
Securities available-for-sale, Fair Value |  |
Recurring [Member] | Residential mortgage pass-through securities [Member] |  |
Assets |  |
Securities available-for-sale, Fair Value | 190,551 | 181,891
Recurring [Member] | Residential mortgage pass-through securities [Member] | Fair Value, Inputs, Level 1 [Member] |  |
Assets |  |
Securities available-for-sale, Fair Value |  |
Recurring [Member] | Residential mortgage pass-through securities [Member] | Fair Value, Inputs, Level 2 [Member] |  |
Assets |  |
Securities available-for-sale, Fair Value | 190,551 | 181,891
Recurring [Member] | Residential mortgage pass-through securities [Member] | Fair Value, Inputs, Level 3 [Member] |  |
Assets |  |
Securities available-for-sale, Fair Value |  |
Recurring [Member] | Commercial mortgage pass-through securities [Member] |  |
Assets |  |
Securities available-for-sale, Fair Value | 3,843 | 4,054
Recurring [Member] | Commercial mortgage pass-through securities [Member] | Fair Value, Inputs, Level 1 [Member] |  |
Assets |  |
Securities available-for-sale, Fair Value |  |
Recurring [Member] | Commercial mortgage pass-through securities [Member] | Fair Value, Inputs, Level 2 [Member] |  |
Assets |  |
Securities available-for-sale, Fair Value | 3,843 | 4,054
Recurring [Member] | Commercial mortgage pass-through securities [Member] | Fair Value, Inputs, Level 3 [Member] |  |
Assets |  |
Securities available-for-sale, Fair Value |  |
Recurring [Member] | Obligations of U.S. states and political subdivisions [Member] |  |
Assets |  |
Securities available-for-sale, Fair Value | 130,388 | 131,128
Recurring [Member] | Obligations of U.S. states and political subdivisions [Member] | Fair Value, Inputs, Level 1 [Member] |  |
Assets |  |
Securities available-for-sale, Fair Value |  |
Recurring [Member] | Obligations of U.S. states and political subdivisions [Member] | Fair Value, Inputs, Level 2 [Member] |  |
Assets |  |
Securities available-for-sale, Fair Value | 120,947 | 121,496
Recurring [Member] | Obligations of U.S. states and political subdivisions [Member] | Fair Value, Inputs, Level 3 [Member] |  |
Assets |  |
Securities available-for-sale, Fair Value | 9,441 | 9,632
Recurring [Member] | Corporate bonds and notes [Member] |  |
Assets |  |
Securities available-for-sale, Fair Value | 25,962 | 29,693
Recurring [Member] | Corporate bonds and notes [Member] | Fair Value, Inputs, Level 1 [Member] |  |
Assets |  |
Securities available-for-sale, Fair Value |  |
Recurring [Member] | Corporate bonds and notes [Member] | Fair Value, Inputs, Level 2 [Member] |  |
Assets |  |
Securities available-for-sale, Fair Value | 25,962 | 29,693
Recurring [Member] | Corporate bonds and notes [Member] | Fair Value, Inputs, Level 3 [Member] |  |
Assets |  |
Securities available-for-sale, Fair Value |  |
Recurring [Member] | Asset-backed securities [Member] |  |
Assets |  |
Securities available-for-sale, Fair Value | 10,363 | 12,050
Recurring [Member] | Asset-backed securities [Member] | Fair Value, Inputs, Level 1 [Member] |  |
Assets |  |
Securities available-for-sale, Fair Value |  |
Recurring [Member] | Asset-backed securities [Member] | Fair Value, Inputs, Level 2 [Member] |  |
Assets |  |
Securities available-for-sale, Fair Value | 10,363 | 12,050
Recurring [Member] | Asset-backed securities [Member] | Fair Value, Inputs, Level 3 [Member] |  |
Assets |  |
Securities available-for-sale, Fair Value |  |
Recurring [Member] | Certificates of deposit [Member] |  |
Assets |  |
Securities available-for-sale, Fair Value | 423 | 625
Recurring [Member] | Other securities [Member] |  |
Assets |  |
Securities available-for-sale, Fair Value | 975 | 3,422
Recurring [Member] | Other securities [Member] | Fair Value, Inputs, Level 1 [Member] |  |
Assets |  |
Securities available-for-sale, Fair Value | 975 | 3,422
Recurring [Member] | Other securities [Member] | Fair Value, Inputs, Level 2 [Member] |  |
Assets |  |
Securities available-for-sale, Fair Value |  |
Recurring [Member] | Other securities [Member] | Fair Value, Inputs, Level 3 [Member] |  |
Assets |  |
Securities available-for-sale, Fair Value |  |
Recurring [Member] | Certificate Of Deposit [Member] | Fair Value, Inputs, Level 1 [Member] |  |
Assets |  |
Securities available-for-sale, Fair Value |  |
Recurring [Member] | Certificate Of Deposit [Member] | Fair Value, Inputs, Level 2 [Member] |  |
Assets |  |
Securities available-for-sale, Fair Value | 423 | 625
Recurring [Member] | Certificate Of Deposit [Member] | Fair Value, Inputs, Level 3 [Member] |  |
Assets |  |
Securities available-for-sale, Fair Value |  |
Recurring [Member] | Trust preferred securities [Member] |  |
Assets |  |
Securities available-for-sale, Fair Value |  | 4,671
Recurring [Member] | Trust preferred securities [Member] | Fair Value, Inputs, Level 1 [Member] |  |
Assets |  |
Securities available-for-sale, Fair Value |  |
Recurring [Member] | Trust preferred securities [Member] | Fair Value, Inputs, Level 2 [Member] |  |
Assets |  |
Securities available-for-sale, Fair Value |  | 4,671
Recurring [Member] | Trust preferred securities [Member] | Fair Value, Inputs, Level 3 [Member] |  |
Assets |  |
Securities available-for-sale, Fair Value |  |
Recurring [Member] | Equity securities [Member] |  |
Assets |  |
Securities available-for-sale, Fair Value |  | 11,728
Recurring [Member] | Equity securities [Member] | Fair Value, Inputs, Level 1 [Member] |  |
Assets |  |
Securities available-for-sale, Fair Value |  | 11,728
Recurring [Member] | Equity securities [Member] | Fair Value, Inputs, Level 2 [Member] |  |
Assets |  |
Securities available-for-sale, Fair Value |  |
Recurring [Member] | Equity securities [Member] | Fair Value, Inputs, Level 3 [Member] |  |
Assets |  |
Securities available-for-sale, Fair Value |  |

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