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Investment Securities (Details 2) - USD ($) $ in Thousands | Dec. 31, 2016 | Dec. 31, 2015
--- | --- | ---
Fair Value |  |
Less than 12 months | $ 184,887 | $ 102,205
12 months or more | 3,742 | 45,296
Total | 188,629 | 147,501
Unrealized Losses |  |
Less than 12 months | (3,237) | (848)
12 months or more | (147) | (1,166)
Total | (3,384) | (2,014)
U.S. government and federal agency obligations |  |
Fair Value |  |
Less than 12 months | 13,365 |
12 months or more | 0 |
Total | 13,365 |
Unrealized Losses |  |
Less than 12 months | (303) |
12 months or more | 0 |
Total | (303) |
Government sponsored enterprises |  |
Fair Value |  |
Less than 12 months | 29,432 | 43,539
12 months or more | 0 | 1,002
Total | 29,432 | 44,541
Unrealized Losses |  |
Less than 12 months | (329) | (222)
12 months or more | 0 | (13)
Total | (329) | (235)
Obligations of states and political subdivisions |  |
Fair Value |  |
Less than 12 months | 32,318 | 2,571
12 months or more | 0 | 718
Total | 32,318 | 3,289
Unrealized Losses |  |
Less than 12 months | (757) | (6)
12 months or more | 0 | (5)
Total | (757) | (11)
Mortgage-backed securities | Residential - government agencies |  |
Fair Value |  |
Less than 12 months | 109,772 | 56,095
12 months or more | 3,742 | 43,576
Total | 113,514 | 99,671
Unrealized Losses |  |
Less than 12 months | (1,848) | (620)
12 months or more | (147) | (1,148)
Total | $ (1,995) | $ (1,768)

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