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Investment Securities (Details 3) - USD ($) $ in Thousands | Sep. 30, 2018 | Dec. 31, 2017
--- | --- | ---
Fair Value |  |
Less than 12 months | $ 67,048 | $ 93,280
12 months or more | 146,705 | 114,649
Total | 213,753 | 207,929
Unrealized Losses |  |
Less than 12 months | (1,088) | (785)
12 months or more | (6,054) | (2,537)
Total | (7,142) | (3,322)
U.S. Treasury |  |
Fair Value |  |
Less than 12 months | 1,205 | 1,967
12 months or more | 711 | 0
Total | 1,916 | 1,967
Unrealized Losses |  |
Less than 12 months | (40) | (13)
12 months or more | (27) | 0
Total | (67) | (13)
U.S. government and federal agency obligations |  |
Fair Value |  |
Less than 12 months | 0 | 0
12 months or more | 10,474 | 12,073
Total | 10,474 | 12,073
Unrealized Losses |  |
Less than 12 months | 0 | 0
12 months or more | (459) | (268)
Total | (459) | (268)
Government sponsored enterprises |  |
Fair Value |  |
Less than 12 months | 15,983 | 16,471
12 months or more | 28,983 | 20,426
Total | 44,966 | 36,897
Unrealized Losses |  |
Less than 12 months | (220) | (119)
12 months or more | (592) | (305)
Total | (812) | (424)
Obligations of states and political subdivisions |  |
Fair Value |  |
Less than 12 months | 18,265 | 22,013
12 months or more | 17,905 | 12,570
Total | 36,170 | 34,583
Unrealized Losses |  |
Less than 12 months | (182) | (165)
12 months or more | (582) | (312)
Total | (764) | (477)
Residential - government agencies |  |
Fair Value |  |
Less than 12 months | 31,595 | 52,829
12 months or more | 87,268 | 69,580
Total | 118,863 | 122,409
Unrealized Losses |  |
Less than 12 months | (646) | (488)
12 months or more | (4,272) | (1,652)
Total | (4,918) | $ (2,140)
Bank issued trust preferred securities |  |
Fair Value |  |
Less than 12 months | 0 |
12 months or more | 1,364 |
Total | 1,364 |
Unrealized Losses |  |
Less than 12 months | 0 |
12 months or more | (122) |
Total | $ (122) |

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