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Securities Available-for-Sale (Details) - Schedule of unrealized losses not recognized in income - USD ($) $ in Thousands | Mar. 31, 2021 | Dec. 31, 2020
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Investment Securities Available-for-Sale: |  |
Investment Securities Available-for-Sale: Total, Fair Value | $ 176,608 | $ 40,838
Investment Securities Available-for-Sale: Total, Unrealized Losses | (2,770) | (386)
Investment Securities Available-for-Sale: Less than 12 Months, Fair Value | 175,699 | 38,365
Investment Securities Available-for-Sale: Less than 12 Months, Unrealized Losses | (2,760) | (345)
Investment Securities Available-for-Sale: 12 Months or Longer, Fair Value | 909 | 2,473
Investment Securities Available-for-Sale: 12 Months or Longer, Unrealized Losses | (10) | (41)
Federal agency obligations [Member] |  |
Investment Securities Available-for-Sale: |  |
Investment Securities Available-for-Sale: Total, Fair Value | 15,923 | 8,978
Investment Securities Available-for-Sale: Total, Unrealized Losses | (347) | (65)
Investment Securities Available-for-Sale: Less than 12 Months, Fair Value | 15,922 | 8,975
Investment Securities Available-for-Sale: Less than 12 Months, Unrealized Losses | (347) | (65)
Investment Securities Available-for-Sale: 12 Months or Longer, Fair Value | 1 | 3
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 | 125,231 | 20,895
Investment Securities Available-for-Sale: Total, Unrealized Losses | (1,680) | (41)
Investment Securities Available-for-Sale: Less than 12 Months, Fair Value | 125,223 | 20,886
Investment Securities Available-for-Sale: Less than 12 Months, Unrealized Losses | (1,680) | (41)
Investment Securities Available-for-Sale: 12 Months or Longer, Fair Value | 8 | 9
Investment Securities Available-for-Sale: 12 Months or Longer, Unrealized Losses |  |
Commercial mortgage pass-through securities [Member] |  |
Investment Securities Available-for-Sale: |  |
Investment Securities Available-for-Sale: Total, Fair Value | 4,375 | 3,954
Investment Securities Available-for-Sale: Total, Unrealized Losses | (502) | (187)
Investment Securities Available-for-Sale: Less than 12 Months, Fair Value | 4,375 | 3,954
Investment Securities Available-for-Sale: Less than 12 Months, Unrealized Losses | (502) | (187)
Investment Securities Available-for-Sale: 12 Months or Longer, Fair Value |  |
Investment Securities Available-for-Sale: 12 Months or Longer, Unrealized Losses |  |
Obligations of U.S. states and political subdivisions [Member] |  |
Investment Securities Available-for-Sale: |  |
Investment Securities Available-for-Sale: Total, Fair Value | 29,179 |
Investment Securities Available-for-Sale: Total, Unrealized Losses | (231) |
Investment Securities Available-for-Sale: Less than 12 Months, Fair Value | 29,179 |
Investment Securities Available-for-Sale: Less than 12 Months, Unrealized Losses | (231) |
Investment Securities Available-for-Sale: 12 Months or Longer, Fair Value |  |
Investment Securities Available-for-Sale: 12 Months or Longer, Unrealized Losses |  |
Corporate bonds and notes [Member] |  |
Investment Securities Available-for-Sale: |  |
Investment Securities Available-for-Sale: Total, Fair Value | 1,000 | 3,928
Investment Securities Available-for-Sale: Total, Unrealized Losses |  | (52)
Investment Securities Available-for-Sale: Less than 12 Months, Fair Value | 1,000 | 3,928
Investment Securities Available-for-Sale: Less than 12 Months, Unrealized Losses |  | (52)
Investment Securities Available-for-Sale: 12 Months or Longer, Fair Value |  |
Investment Securities Available-for-Sale: 12 Months or Longer, Unrealized Losses |  |
Asset-backed securities [Member] |  |
Investment Securities Available-for-Sale: |  |
Investment Securities Available-for-Sale: Total, Fair Value | 900 | 3,083
Investment Securities Available-for-Sale: Total, Unrealized Losses | (10) | (41)
Investment Securities Available-for-Sale: Less than 12 Months, Fair Value |  | 622
Investment Securities Available-for-Sale: Less than 12 Months, Unrealized Losses |  |
Investment Securities Available-for-Sale: 12 Months or Longer, Fair Value | 900 | 2,461
Investment Securities Available-for-Sale: 12 Months or Longer, Unrealized Losses | $ (10) | $ (41)

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- Definition This item represents the excess of amortized cost basis over fair value of securities in a loss position and which are categorized as held-to-maturity. + References No definition available. + Details
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- Definition Amount of accumulated pre-tax unrealized loss on investments in held-to-maturity securities that have been in a loss position for twelve months or longer. + References No definition available. + Details
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