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Securities (Details 2) - USD ($) $ in Thousands | Jun. 30, 2017 | Dec. 31, 2016
--- | --- | ---
Investment securities with unrealized losses |  |
Fair Value, Less Than 12 Months | $ 113,439 | $ 212,479
Unrealized Losses, Less Than 12 Months | (1,766) | (4,945)
Fair Value, 12 Months or Longer | 19,759 | 49,393
Unrealized Losses, 12 Months or Longer | (720) | (1,666)
Fair Value, Total | 133,198 | 261,872
Unrealized Losses, Total | (2,486) | (6,611)
Corporate bonds |  |
Investment securities with unrealized losses |  |
Fair Value, Less Than 12 Months | 582 | 786
Unrealized Losses, Less Than 12 Months | (4) | (8)
Fair Value, 12 Months or Longer | 0 | 0
Unrealized Losses, 12 Months or Longer | 0 | 0
Fair Value, Total | 582 | 786
Unrealized Losses, Total | (4) | (8)
Small Business Administration |  |
Investment securities with unrealized losses |  |
Fair Value, Less Than 12 Months | 8,176 | 8,770
Unrealized Losses, Less Than 12 Months | (77) | (205)
Fair Value, 12 Months or Longer | 7,336 | 7,890
Unrealized Losses, 12 Months or Longer | (197) | (325)
Fair Value, Total | 15,512 | 16,660
Unrealized Losses, Total | (274) | (530)
U.S. Treasury and U.S. government sponsored entities |  |
Investment securities with unrealized losses |  |
Fair Value, Less Than 12 Months | 2,392 | 4,015
Unrealized Losses, Less Than 12 Months | (20) | (54)
Fair Value, 12 Months or Longer | 0 | 502
Unrealized Losses, 12 Months or Longer | 0 | 0
Fair Value, Total | 2,392 | 4,517
Unrealized Losses, Total | (20) | (54)
State and political subdivisions |  |
Investment securities with unrealized losses |  |
Fair Value, Less Than 12 Months | 33,517 | 92,560
Unrealized Losses, Less Than 12 Months | (727) | (2,745)
Fair Value, 12 Months or Longer | 291 | 286
Unrealized Losses, 12 Months or Longer | (7) | (15)
Fair Value, Total | 33,808 | 92,846
Unrealized Losses, Total | (734) | (2,760)
Mortgage-backed securities - residential |  |
Investment securities with unrealized losses |  |
Fair Value, Less Than 12 Months | 61,503 | 98,348
Unrealized Losses, Less Than 12 Months | (856) | (1,823)
Fair Value, 12 Months or Longer | 1,861 | 29,743
Unrealized Losses, 12 Months or Longer | (39) | (729)
Fair Value, Total | 63,364 | 128,091
Unrealized Losses, Total | (895) | (2,552)
Collateralized mortgage obligations - residential |  |
Investment securities with unrealized losses |  |
Fair Value, Less Than 12 Months | 7,241 | 7,956
Unrealized Losses, Less Than 12 Months | (81) | (108)
Fair Value, 12 Months or Longer | 10,271 | 10,972
Unrealized Losses, 12 Months or Longer | (477) | (597)
Fair Value, Total | 17,512 | 18,928
Unrealized Losses, Total | (558) | (705)
Equity securities |  |
Investment securities with unrealized losses |  |
Fair Value, Less Than 12 Months | 28 | 44
Unrealized Losses, Less Than 12 Months | (1) | (2)
Fair Value, 12 Months or Longer | 0 | 0
Unrealized Losses, 12 Months or Longer | 0 | 0
Fair Value, Total | 28 | 44
Unrealized Losses, Total | $ (1) | $ (2)

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