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Securities (Details 3) - USD ($) $ in Thousands | Sep. 30, 2024 | Dec. 31, 2023
--- | --- | ---
Investment securities with unrealized losses |  |
Fair Value, Less Than 12 Months | $ 58,060 | $ 49,846
Unrealized Losses, Less Than 12 Months | (3,331) | (3,025)
Fair Value, 12 Months or Longer | 1,091,841 | 1,116,642
Unrealized Losses, 12 Months or Longer | (191,681) | (219,539)
Fair Value, Total | 1,149,901 | 1,166,488
Unrealized Losses, Total | (195,012) | (222,564)
U.S. Treasury and U.S. government sponsored entities |  |
Investment securities with unrealized losses |  |
Fair Value, Less Than 12 Months | 2,758 | 399
Unrealized Losses, Less Than 12 Months | (252) | (1)
Fair Value, 12 Months or Longer | 114,823 | 122,361
Unrealized Losses, 12 Months or Longer | (12,752) | (17,596)
Fair Value, Total | 117,581 | 122,760
Unrealized Losses, Total | (13,004) | (17,597)
State and political subdivisions |  |
Investment securities with unrealized losses |  |
Fair Value, Less Than 12 Months | 32,039 | 15,852
Unrealized Losses, Less Than 12 Months | (2,730) | (1,684)
Fair Value, 12 Months or Longer | 418,686 | 428,416
Unrealized Losses, 12 Months or Longer | (84,708) | (91,819)
Fair Value, Total | 450,725 | 444,268
Unrealized Losses, Total | (87,438) | (93,503)
Corporate bonds |  |
Investment securities with unrealized losses |  |
Fair Value, Less Than 12 Months | 2,392 | 8,463
Unrealized Losses, Less Than 12 Months | (34) | (284)
Fair Value, 12 Months or Longer | 8,857 | 3,881
Unrealized Losses, 12 Months or Longer | (337) | (182)
Fair Value, Total | 11,249 | 12,344
Unrealized Losses, Total | (371) | (466)
Mortgage-backed securities - residential |  |
Investment securities with unrealized losses |  |
Fair Value, Less Than 12 Months | 0 | 5,113
Unrealized Losses, Less Than 12 Months | 0 | (76)
Fair Value, 12 Months or Longer | 497,592 | 515,259
Unrealized Losses, 12 Months or Longer | (88,517) | (104,068)
Fair Value, Total | 497,592 | 520,372
Unrealized Losses, Total | (88,517) | (104,144)
Collateralized mortgage obligations |  |
Investment securities with unrealized losses |  |
Fair Value, Less Than 12 Months | 20,871 | 20,019
Unrealized Losses, Less Than 12 Months | (315) | (980)
Fair Value, 12 Months or Longer | 49,258 | 43,808
Unrealized Losses, 12 Months or Longer | (5,170) | (5,579)
Fair Value, Total | 70,129 | 63,827
Unrealized Losses, Total | (5,485) | (6,559)
Small Business Administration |  |
Investment securities with unrealized losses |  |
Fair Value, Less Than 12 Months | 0 | 0
Unrealized Losses, Less Than 12 Months | 0 | 0
Fair Value, 12 Months or Longer | 2,625 | 2,917
Unrealized Losses, 12 Months or Longer | (197) | (295)
Fair Value, Total | 2,625 | 2,917
Unrealized Losses, Total | $ (197) | $ (295)

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