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Investment Securities (Details 2) $ in Thousands | Dec. 31, 2020 USD ($) Investments | Dec. 31, 2019 USD ($) Investments
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Summary of gross unrealized losses on investment securities and fair market value of related securities |  |
Number of investments, Less than 12 months | Investments | 26 | 28
Available-for-sale Securities, Less than 12 months, Fair Value | $ 28,663 | $ 30,095
Available-for-sale Securities, Less than 12 months, Unrealized losses | $ 174 | $ 168
Number of investments, 12 months or longer | Investments | 10 | 22
Available-for-sale Securities, 12 months or longer, Fair Value | $ 9,466 | $ 20,296
Available-for-sale Securities, 12 months or Longer, Unrealized losses | $ 117 | $ 265
Number of investments, Total | Investments | 36 | 50
Available-for-sale Securities, Fair Value, Total | $ 38,129 | $ 50,391
Available-for-sale Securities, Unrealized Losses, Total | $ 291 | $ 433
US government agencies [Member] |  |
Summary of gross unrealized losses on investment securities and fair market value of related securities |  |
Number of investments, Less than 12 months | Investments | 3 | 1
Available-for-sale Securities, Less than 12 months, Fair Value | $ 2,992 | $ 499
Available-for-sale Securities, Less than 12 months, Unrealized losses | $ 8 | $ 1
Number of investments, 12 months or longer | Investments |  |
Available-for-sale Securities, 12 months or longer, Fair Value |  |
Available-for-sale Securities, 12 months or Longer, Unrealized losses |  |
Number of investments, Total | Investments | 3 | 1
Available-for-sale Securities, Fair Value, Total | $ 2,992 | $ 499
Available-for-sale Securities, Unrealized Losses, Total | $ 8 | $ 1
SBA securities [Member] |  |
Summary of gross unrealized losses on investment securities and fair market value of related securities |  |
Number of investments, Less than 12 months | Investments |  |
Available-for-sale Securities, Less than 12 months, Fair Value |  |
Available-for-sale Securities, Less than 12 months, Unrealized losses |  |
Number of investments, 12 months or longer | Investments | 1 | 1
Available-for-sale Securities, 12 months or longer, Fair Value | $ 484 | $ 531
Available-for-sale Securities, 12 months or Longer, Unrealized losses | $ 19 | $ 19
Number of investments, Total | Investments | 1 | 1
Available-for-sale Securities, Fair Value, Total | $ 484 | $ 531
Available-for-sale Securities, Unrealized Losses, Total | $ 19 | $ 19
State and political subdivisions [Member] |  |
Summary of gross unrealized losses on investment securities and fair market value of related securities |  |
Number of investments, Less than 12 months | Investments | 8 | 2
Available-for-sale Securities, Less than 12 months, Fair Value | $ 4,861 | $ 2,093
Available-for-sale Securities, Less than 12 months, Unrealized losses | $ 30 | $ 24
Number of investments, 12 months or longer | Investments |  |
Available-for-sale Securities, 12 months or longer, Fair Value |  |
Available-for-sale Securities, 12 months or Longer, Unrealized losses |  |
Number of investments, Total | Investments | 8 | 2
Available-for-sale Securities, Fair Value, Total | $ 4,861 | $ 2,093
Available-for-sale Securities, Unrealized Losses, Total | $ 30 | $ 24
Asset-backed Securities [Member] |  |
Summary of gross unrealized losses on investment securities and fair market value of related securities |  |
Number of investments, Less than 12 months | Investments |  | 5
Available-for-sale Securities, Less than 12 months, Fair Value |  | $ 5,921
Available-for-sale Securities, Less than 12 months, Unrealized losses |  | $ 68
Number of investments, 12 months or longer | Investments | 6 | 5
Available-for-sale Securities, 12 months or longer, Fair Value | $ 6,998 | $ 7,246
Available-for-sale Securities, 12 months or Longer, Unrealized losses | $ 73 | $ 116
Number of investments, Total | Investments | 6 | 10
Available-for-sale Securities, Fair Value, Total | $ 6,998 | $ 13,167
Available-for-sale Securities, Unrealized Losses, Total | $ 73 | $ 184
Mortgage-backed securities [Member] | FHLMC [Member] |  |
Summary of gross unrealized losses on investment securities and fair market value of related securities |  |
Number of investments, Less than 12 months | Investments | 4 | 4
Available-for-sale Securities, Less than 12 months, Fair Value | $ 5,313 | $ 3,842
Available-for-sale Securities, Less than 12 months, Unrealized losses | $ 47 | $ 2
Number of investments, 12 months or longer | Investments |  | 4
Available-for-sale Securities, 12 months or longer, Fair Value |  | $ 2,323
Available-for-sale Securities, 12 months or Longer, Unrealized losses |  | $ 13
Number of investments, Total | Investments | 4 | 8
Available-for-sale Securities, Fair Value, Total | $ 5,313 | $ 6,165
Available-for-sale Securities, Unrealized Losses, Total | $ 47 | $ 15
Mortgage-backed securities [Member] | FNMA [Member] |  |
Summary of gross unrealized losses on investment securities and fair market value of related securities |  |
Number of investments, Less than 12 months | Investments | 9 | 14
Available-for-sale Securities, Less than 12 months, Fair Value | $ 11,659 | $ 15,500
Available-for-sale Securities, Less than 12 months, Unrealized losses | $ 66 | $ 67
Number of investments, 12 months or longer | Investments | 3 | 11
Available-for-sale Securities, 12 months or longer, Fair Value | $ 1,984 | $ 9,462
Available-for-sale Securities, 12 months or Longer, Unrealized losses | $ 25 | $ 102
Number of investments, Total | Investments | 12 | 25
Available-for-sale Securities, Fair Value, Total | $ 13,643 | $ 24,962
Available-for-sale Securities, Unrealized Losses, Total | $ 91 | $ 169
Mortgage-backed securities [Member] | GNMA [Member] |  |
Summary of gross unrealized losses on investment securities and fair market value of related securities |  |
Number of investments, Less than 12 months | Investments | 2 | 2
Available-for-sale Securities, Less than 12 months, Fair Value | $ 3,838 | $ 2,240
Available-for-sale Securities, Less than 12 months, Unrealized losses | $ 23 | $ 6
Number of investments, 12 months or longer | Investments |  | 1
Available-for-sale Securities, 12 months or longer, Fair Value |  | $ 734
Available-for-sale Securities, 12 months or Longer, Unrealized losses |  | $ 15
Number of investments, Total | Investments | 2 | 3
Available-for-sale Securities, Fair Value, Total | $ 3,838 | $ 2,974
Available-for-sale Securities, Unrealized Losses, Total | $ 23 | $ 21

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