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Securities (Details 2) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2018 | Dec. 31, 2017
Schedule of securities with unrealized losses |  |
Less than 12 Months, Fair Value | $ 55,966 | $ 41,785
Less than 12 Months, Unrealized Losses | (1,027) | (350)
12 Months or Longer, Fair Value | 16,819 | 17,558
12 Months or Longer, Unrealized Losses | (573) | (427)
Total, Fair Value | 72,785 | 59,343
Total, Unrealized Losses | (1,600) | (777)
U.S. Treasury and Government Agencies [Member] |  |
Schedule of securities with unrealized losses |  |
Less than 12 Months, Fair Value | 7,424 | 5,675
Less than 12 Months, Unrealized Losses | (121) | (27)
12 Months or Longer, Fair Value | 2,546 | 2,559
12 Months or Longer, Unrealized Losses | (54) | (42)
Total, Fair Value | 9,970 | 8,234
Total, Unrealized Losses | (175) | (69)
Mortgage-backed securities [Member] |  |
Schedule of securities with unrealized losses |  |
Less than 12 Months, Fair Value | 47,336 | 35,205
Less than 12 Months, Unrealized Losses | (894) | (319)
12 Months or Longer, Fair Value | 13,953 | 14,673
12 Months or Longer, Unrealized Losses | (500) | (371)
Total, Fair Value | 61,289 | 49,878
Total, Unrealized Losses | (1,394) | (690)
State and political subdivisions [Member] |  |
Schedule of securities with unrealized losses |  |
Less than 12 Months, Fair Value | 1,206 | 905
Less than 12 Months, Unrealized Losses | (12) | (4)
12 Months or Longer, Fair Value | 320 | 326
12 Months or Longer, Unrealized Losses | (19) | (14)
Total, Fair Value | 1,526 | 1,231
Total, Unrealized Losses | $ (31) | $ (18)

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