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Investment Securities (Details) - Schedule of unrealized losses not recognized in income - USD ($) $ in Thousands | Dec. 31, 2020 | Dec. 31, 2019
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Investment securities available-for-sale: |  |
Investment Securities Available-for-Sale: Total, Fair Value | $ 40,838 | $ 149,428
Investment Securities Available-for-Sale: Total, Unrealized Losses | (386) | (1,222)
Investment Securities Available-for-Sale: Less than 12 Months, Fair Value | 38,365 | 72,710
Investment Securities Available-for-Sale: Less than 12 Months, Unrealized Losses | (345) | (309)
Investment Securities Available-for-Sale: 12 Months or Longer, Fair Value | 2,473 | 76,718
Investment Securities Available-for-Sale: 12 Months or Longer, Unrealized Losses | (41) | (913)
Federal Agency Obligations [Member] |  |
Investment securities available-for-sale: |  |
Investment Securities Available-for-Sale: Total, Fair Value | 8,978 | 6,512
Investment Securities Available-for-Sale: Total, Unrealized Losses | (65) | (42)
Investment Securities Available-for-Sale: Less than 12 Months, Fair Value | 8,975 | 6,498
Investment Securities Available-for-Sale: Less than 12 Months, Unrealized Losses | (65) | (42)
Investment Securities Available-for-Sale: 12 Months or Longer, Fair Value | 3 | 14
Investment Securities Available-for-Sale: 12 Months or Longer, Unrealized Losses |  |
Residential mortgage pass-through securities [Member] |  |
Investment securities available-for-sale: |  |
Investment Securities Available-for-Sale: Total, Fair Value | 20,895 | 94,980
Investment Securities Available-for-Sale: Total, Unrealized Losses | (41) | (643)
Investment Securities Available-for-Sale: Less than 12 Months, Fair Value | 20,886 | 49,154
Investment Securities Available-for-Sale: Less than 12 Months, Unrealized Losses | (41) | (179)
Investment Securities Available-for-Sale: 12 Months or Longer, Fair Value | 9 | 45,826
Investment Securities Available-for-Sale: 12 Months or Longer, Unrealized Losses |  | (464)
Commercial mortgage pass-through securities [Member] |  |
Investment securities available-for-sale: |  |
Investment Securities Available-for-Sale: Total, Fair Value | 3,954 | 2,006
Investment Securities Available-for-Sale: Total, Unrealized Losses | (187) | (35)
Investment Securities Available-for-Sale: Less than 12 Months, Fair Value | 3,954 | 2,006
Investment Securities Available-for-Sale: Less than 12 Months, Unrealized Losses | (187) | (35)
Investment Securities Available-for-Sale: 12 Months or Longer, Fair Value |  |
Investment Securities Available-for-Sale: 12 Months or Longer, Unrealized Losses |  |
Obligation Of U.S. States And Political Subdivisions [Member] |  |
Investment securities available-for-sale: |  |
Investment Securities Available-for-Sale: Total, Fair Value |  | 34,775
Investment Securities Available-for-Sale: Total, Unrealized Losses |  | (392)
Investment Securities Available-for-Sale: Less than 12 Months, Fair Value |  | 10,306
Investment Securities Available-for-Sale: Less than 12 Months, Unrealized Losses |  | (8)
Investment Securities Available-for-Sale: 12 Months or Longer, Fair Value |  | 24,469
Investment Securities Available-for-Sale: 12 Months or Longer, Unrealized Losses |  | (384)
Corporate Bonds and Notes [Member] |  |
Investment securities available-for-sale: |  |
Investment Securities Available-for-Sale: Total, Fair Value | 3,928 | 5,437
Investment Securities Available-for-Sale: Total, Unrealized Losses | (52) | (45)
Investment Securities Available-for-Sale: Less than 12 Months, Fair Value | 3,928 | 2,478
Investment Securities Available-for-Sale: Less than 12 Months, Unrealized Losses | (52) | (23)
Investment Securities Available-for-Sale: 12 Months or Longer, Fair Value |  | 2,959
Investment Securities Available-for-Sale: 12 Months or Longer, Unrealized Losses |  | (22)
Asset-backed Securities [Member] |  |
Investment securities available-for-sale: |  |
Investment Securities Available-for-Sale: Total, Fair Value | 3,083 | 5,718
Investment Securities Available-for-Sale: Total, Unrealized Losses | (41) | (65)
Investment Securities Available-for-Sale: Less than 12 Months, Fair Value | 622 | 2,268
Investment Securities Available-for-Sale: Less than 12 Months, Unrealized Losses |  | (22)
Investment Securities Available-for-Sale: 12 Months or Longer, Fair Value | 2,461 | 3,450
Investment Securities Available-for-Sale: 12 Months or Longer, Unrealized Losses | $ (41) | $ (43)

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