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Investment Securities (Details) - Schedule of unrealized losses not recognized in income - USD ($) $ in Thousands | Dec. 31, 2018 | Dec. 31, 2017
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Investment securities available-for-sale: |  |
Investment Securities Available-for-Sale: Total, Fair Value | $ 301,569 | $ 278,357
Investment Securities Available-for-Sale: Total, Unrealized Losses | (9,210) | (4,470)
Investment Securities Available-for-Sale: Less than 12 Months, Fair Value | 60,601 | 168,028
Investment Securities Available-for-Sale: Less than 12 Months, Unrealized Losses | (559) | (1,631)
Investment Securities Available-for-Sale: 12 Months or Longer, Fair Value | 240,968 | 110,329
Investment Securities Available-for-Sale: 12 Months or Longer, Unrealized Losses | (8,651) | (2,839)
Federal Agency Obligations [Member] |  |
Investment securities available-for-sale: |  |
Investment Securities Available-for-Sale: Total, Fair Value | 35,472 | 39,813
Investment Securities Available-for-Sale: Total, Unrealized Losses | (605) | (416)
Investment Securities Available-for-Sale: Less than 12 Months, Fair Value | 810 | 28,407
Investment Securities Available-for-Sale: Less than 12 Months, Unrealized Losses | (1) | (213)
Investment Securities Available-for-Sale: 12 Months or Longer, Fair Value | 34,662 | 11,406
Investment Securities Available-for-Sale: 12 Months or Longer, Unrealized Losses | (604) | (203)
Residential Mortgage Backed Securities [Member] |  |
Investment securities available-for-sale: |  |
Investment Securities Available-for-Sale: Total, Fair Value | 178,365 | 148,574
Investment Securities Available-for-Sale: Total, Unrealized Losses | (4,602) | (1,948)
Investment Securities Available-for-Sale: Less than 12 Months, Fair Value | 42,040 | 117,556
Investment Securities Available-for-Sale: Less than 12 Months, Unrealized Losses | (393) | (1,146)
Investment Securities Available-for-Sale: 12 Months or Longer, Fair Value | 136,325 | 31,018
Investment Securities Available-for-Sale: 12 Months or Longer, Unrealized Losses | (4,209) | (802)
Commercial Mortgage Backed Securities [Member] |  |
Investment securities available-for-sale: |  |
Investment Securities Available-for-Sale: Total, Fair Value | 3,874 | 1,198
Investment Securities Available-for-Sale: Total, Unrealized Losses | (45) | (3)
Investment Securities Available-for-Sale: Less than 12 Months, Fair Value |  | 1,198
Investment Securities Available-for-Sale: Less than 12 Months, Unrealized Losses |  | (3)
Investment Securities Available-for-Sale: 12 Months or Longer, Fair Value | 3,874 |
Investment Securities Available-for-Sale: 12 Months or Longer, Unrealized Losses | (45) |
Obligation Of U.S. States And Political Subdivisions [Member] |  |
Investment securities available-for-sale: |  |
Investment Securities Available-for-Sale: Total, Fair Value | 64,367 | 57,685
Investment Securities Available-for-Sale: Total, Unrealized Losses | (3,402) | (1,334)
Investment Securities Available-for-Sale: Less than 12 Months, Fair Value | 7,765 | 17,909
Investment Securities Available-for-Sale: Less than 12 Months, Unrealized Losses | (21) | (246)
Investment Securities Available-for-Sale: 12 Months or Longer, Fair Value | 56,602 | 39,776
Investment Securities Available-for-Sale: 12 Months or Longer, Unrealized Losses | (3,381) | (1,088)
Corporate Bonds And Notes [Member] |  |
Investment securities available-for-sale: |  |
Investment Securities Available-for-Sale: Total, Fair Value | 15,534 | 11,074
Investment Securities Available-for-Sale: Total, Unrealized Losses | (540) | (271)
Investment Securities Available-for-Sale: Less than 12 Months, Fair Value | 7,767 | 1,965
Investment Securities Available-for-Sale: Less than 12 Months, Unrealized Losses | (133) | (21)
Investment Securities Available-for-Sale: 12 Months or Longer, Fair Value | 7,767 | 9,109
Investment Securities Available-for-Sale: 12 Months or Longer, Unrealized Losses | (407) | (250)
Asset-backed Securities [Member] |  |
Investment securities available-for-sale: |  |
Investment Securities Available-for-Sale: Total, Fair Value | 3,957 | 7,428
Investment Securities Available-for-Sale: Total, Unrealized Losses | (16) | (37)
Investment Securities Available-for-Sale: Less than 12 Months, Fair Value | 2,219 | 993
Investment Securities Available-for-Sale: Less than 12 Months, Unrealized Losses | (11) | (2)
Investment Securities Available-for-Sale: 12 Months or Longer, Fair Value | 1,738 | 6,435
Investment Securities Available-for-Sale: 12 Months or Longer, Unrealized Losses | $ (5) | (35)
Trust Preferred Securities [Member] |  |
Investment securities available-for-sale: |  |
Investment Securities Available-for-Sale: Total, Fair Value |  | 1,469
Investment Securities Available-for-Sale: Total, Unrealized Losses |  | (111)
Investment Securities Available-for-Sale: Less than 12 Months, Fair Value |  |
Investment Securities Available-for-Sale: Less than 12 Months, Unrealized Losses |  |
Investment Securities Available-for-Sale: 12 Months or Longer, Fair Value |  | 1,469
Investment Securities Available-for-Sale: 12 Months or Longer, Unrealized Losses |  | (111)
Equity Securities [Member] |  |
Investment securities available-for-sale: |  |
Investment Securities Available-for-Sale: Total, Fair Value |  | 11,116
Investment Securities Available-for-Sale: Total, Unrealized Losses |  | (350)
Investment Securities Available-for-Sale: Less than 12 Months, Fair Value |  |
Investment Securities Available-for-Sale: Less than 12 Months, Unrealized Losses |  |
Investment Securities Available-for-Sale: 12 Months or Longer, Fair Value |  | 11,116
Investment Securities Available-for-Sale: 12 Months or Longer, Unrealized Losses |  | $ (350)

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