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Investment Securities (Details 2) - USD ($) $ in Thousands | Sep. 30, 2017 | Dec. 31, 2016
--- | --- | ---
Fair Value |  |
Less than 12 months | $ 76,235 | $ 184,887
12 months or more | 92,298 | 3,742
Total | 168,533 | 188,629
Unrealized Losses |  |
Less than 12 months | (445) | (3,237)
12 months or more | (1,485) | (147)
Total | (1,930) | (3,384)
U.S. government and federal agency obligations |  |
Fair Value |  |
Less than 12 months | 486 | 13,365
12 months or more | 11,987 | 0
Total | 12,473 | 13,365
Unrealized Losses |  |
Less than 12 months | 0 | (303)
12 months or more | (180) | 0
Total | (180) | (303)
Government sponsored enterprises |  |
Fair Value |  |
Less than 12 months | 16,278 | 29,432
12 months or more | 16,041 | 0
Total | 32,319 | 29,432
Unrealized Losses |  |
Less than 12 months | (69) | (329)
12 months or more | (166) | 0
Total | (235) | (329)
Obligations of states and political subdivisions |  |
Fair Value |  |
Less than 12 months | 10,820 | 32,318
12 months or more | 12,535 | 0
Total | 23,355 | 32,318
Unrealized Losses |  |
Less than 12 months | (35) | (757)
12 months or more | (215) | 0
Total | (250) | (757)
Mortgage-backed securities | Residential - government agencies |  |
Fair Value |  |
Less than 12 months | 48,651 | 109,772
12 months or more | 51,735 | 3,742
Total | 100,386 | 113,514
Unrealized Losses |  |
Less than 12 months | (341) | (1,848)
12 months or more | (924) | (147)
Total | $ (1,265) | $ (1,995)

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