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Investment Securities (Details 2) - USD ($) $ in Thousands | Jun. 30, 2017 | Dec. 31, 2016
--- | --- | ---
Fair Value |  |
Less than 12 months | $ 140,992 | $ 184,887
12 months or more | 29,498 | 3,742
Total | 170,490 | 188,629
Unrealized Losses |  |
Less than 12 months | (1,550) | (3,237)
12 months or more | (552) | (147)
Total | (2,102) | (3,384)
U.S. government and federal agency obligations |  |
Fair Value |  |
Less than 12 months | 7,788 | 13,365
12 months or more | 4,925 | 0
Total | 12,713 | 13,365
Unrealized Losses |  |
Less than 12 months | (133) | (303)
12 months or more | (100) | 0
Total | (233) | (303)
Government sponsored enterprises |  |
Fair Value |  |
Less than 12 months | 32,339 | 29,432
12 months or more | 2,473 | 0
Total | 34,812 | 29,432
Unrealized Losses |  |
Less than 12 months | (229) | (329)
12 months or more | (27) | 0
Total | (256) | (329)
Obligations of states and political subdivisions |  |
Fair Value |  |
Less than 12 months | 22,886 | 32,318
12 months or more | 1,912 | 0
Total | 24,798 | 32,318
Unrealized Losses |  |
Less than 12 months | (264) | (757)
12 months or more | (34) | 0
Total | (298) | (757)
Mortgage-backed securities | Residential - government agencies |  |
Fair Value |  |
Less than 12 months | 77,979 | 109,772
12 months or more | 20,188 | 3,742
Total | 98,167 | 113,514
Unrealized Losses |  |
Less than 12 months | (924) | (1,848)
12 months or more | (391) | (147)
Total | $ (1,315) | $ (1,995)

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