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Investment Securities (Details 2) $ in Thousands | Jun. 30, 2018 USD ($) Investments | Dec. 31, 2017 USD ($) Investments
--- | --- | ---
Available for sale |  |
Available for sale Securities, Less than 12 months, Number of investments | Investments | 33 | 25
Available for sale Securities, Less than 12 months, Fair value | $ 36,408 | $ 27,846
Available for sale Securities, Less than 12 months, Unrealized losses | $ 756 | $ 245
Available for sale Securities, 12 months or longer, Number of investments | Investments | 31 | 28
Available for sale Securities, 12 months or longer, Fair value | $ 28,299 | $ 27,511
Available for sale Securities, 12 months or Longer, Unrealized losses | $ 1,028 | $ 518
Available for sale Securities, Total, Number of investments | Investments | 64 | 53
Available for sale Securities, Total, Fair value | $ 64,707 | $ 55,357
Available for sale Securities, Total, Unrealized losses | $ 1,784 | $ 763
US government agencies [Member] |  |
Available for sale |  |
Available for sale Securities, Less than 12 months, Number of investments | Investments | 6 | 5
Available for sale Securities, Less than 12 months, Fair value | $ 5,336 | $ 4,184
Available for sale Securities, Less than 12 months, Unrealized losses | $ 118 | $ 22
Available for sale Securities, 12 months or longer, Number of investments | Investments | 3 | 4
Available for sale Securities, 12 months or longer, Fair value | $ 2,878 | $ 3,968
Available for sale Securities, 12 months or Longer, Unrealized losses | $ 156 | $ 75
Available for sale Securities, Total, Number of investments | Investments | 9 | 9
Available for sale Securities, Total, Fair value | $ 8,214 | $ 8,152
Available for sale Securities, Total, Unrealized losses | $ 274 | $ 97
SBA securities [Member] |  |
Available for sale |  |
Available for sale Securities, Less than 12 months, Number of investments | Investments | 1 | 1
Available for sale Securities, Less than 12 months, Fair value | $ 2,759 | $ 2,936
Available for sale Securities, Less than 12 months, Unrealized losses | $ 106 | $ 13
Available for sale Securities, 12 months or longer, Number of investments | Investments | 1 | 1
Available for sale Securities, 12 months or longer, Fair value | $ 1,010 | $ 1,127
Available for sale Securities, 12 months or Longer, Unrealized losses | $ 29 | $ 11
Available for sale Securities, Total, Number of investments | Investments | 2 | 2
Available for sale Securities, Total, Fair value | $ 3,769 | $ 4,063
Available for sale Securities, Total, Unrealized losses | $ 135 | $ 24
State and political subdivisions [Member] |  |
Available for sale |  |
Available for sale Securities, Less than 12 months, Number of investments | Investments | 7 | 3
Available for sale Securities, Less than 12 months, Fair value | $ 4,747 | $ 1,214
Available for sale Securities, Less than 12 months, Unrealized losses | $ 71 | $ 9
Available for sale Securities, 12 months or longer, Number of investments | Investments | 2 | 2
Available for sale Securities, 12 months or longer, Fair value | $ 769 | $ 792
Available for sale Securities, 12 months or Longer, Unrealized losses | $ 36 | $ 16
Available for sale Securities, Total, Number of investments | Investments | 9 | 5
Available for sale Securities, Total, Fair value | $ 5,516 | $ 2,006
Available for sale Securities, Total, Unrealized losses | $ 107 | $ 25
Asset-backed securities [Member] |  |
Available for sale |  |
Available for sale Securities, Less than 12 months, Number of investments | Investments | 3 |
Available for sale Securities, Less than 12 months, Fair value | $ 4,851 |
Available for sale Securities, Less than 12 months, Unrealized losses | $ 15 |
Available for sale Securities, 12 months or longer, Number of investments | Investments |  |
Available for sale Securities, 12 months or longer, Fair value |  |
Available for sale Securities, 12 months or Longer, Unrealized losses |  |
Available for sale Securities, Total, Number of investments | Investments | 3 |
Available for sale Securities, Total, Fair value | $ 4,851 |
Available for sale Securities, Total, Unrealized losses | $ 15 |
Mortgage-backed securities [Member] | FHLMC [Member] |  |
Available for sale |  |
Available for sale Securities, Less than 12 months, Number of investments | Investments | 3 | 3
Available for sale Securities, Less than 12 months, Fair value | $ 2,610 | $ 2,897
Available for sale Securities, Less than 12 months, Unrealized losses | $ 90 | $ 26
Available for sale Securities, 12 months or longer, Number of investments | Investments | 7 | 7
Available for sale Securities, 12 months or longer, Fair value | $ 5,464 | $ 6,056
Available for sale Securities, 12 months or Longer, Unrealized losses | $ 237 | $ 123
Available for sale Securities, Total, Number of investments | Investments | 10 | 10
Available for sale Securities, Total, Fair value | $ 8,074 | $ 8,953
Available for sale Securities, Total, Unrealized losses | $ 327 | $ 149
Mortgage-backed securities [Member] | FNMA [Member] |  |
Available for sale |  |
Available for sale Securities, Less than 12 months, Number of investments | Investments | 12 | 11
Available for sale Securities, Less than 12 months, Fair value | $ 14,882 | $ 14,345
Available for sale Securities, Less than 12 months, Unrealized losses | $ 297 | $ 135
Available for sale Securities, 12 months or longer, Number of investments | Investments | 16 | 13
Available for sale Securities, 12 months or longer, Fair value | $ 16,386 | $ 14,597
Available for sale Securities, 12 months or Longer, Unrealized losses | $ 483 | $ 251
Available for sale Securities, Total, Number of investments | Investments | 28 | 24
Available for sale Securities, Total, Fair value | $ 31,268 | $ 28,942
Available for sale Securities, Total, Unrealized losses | $ 780 | $ 386
Mortgage-backed securities [Member] | GNMA [Member] |  |
Available for sale |  |
Available for sale Securities, Less than 12 months, Number of investments | Investments | 1 | 2
Available for sale Securities, Less than 12 months, Fair value | $ 1,223 | $ 2,270
Available for sale Securities, Less than 12 months, Unrealized losses | $ 59 | $ 40
Available for sale Securities, 12 months or longer, Number of investments | Investments | 2 | 1
Available for sale Securities, 12 months or longer, Fair value | $ 1,792 | $ 971
Available for sale Securities, 12 months or Longer, Unrealized losses | $ 87 | $ 42
Available for sale Securities, Total, Number of investments | Investments | 3 | 3
Available for sale Securities, Total, Fair value | $ 3,015 | $ 3,241
Available for sale Securities, Total, Unrealized losses | $ 146 | $ 82

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