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Securities (Details 2) - USD ($) $ in Thousands | Sep. 30, 2022 | Dec. 31, 2021
--- | --- | ---
Investment securities with unrealized losses |  |
Fair Value, Less Than 12 Months | $ 778,927 | $ 718,367
Unrealized Losses, Less Than 12 Months | (164,404) | (10,925)
Fair Value, 12 Months or Longer | 493,562 | 74,575
Unrealized Losses, 12 Months or Longer | (125,872) | (2,812)
Fair Value, Total | 1,272,489 | 792,942
Unrealized Losses, Total | (290,276) | (13,737)
U.S. Treasury and U.S. government sponsored entities |  |
Investment securities with unrealized losses |  |
Fair Value, Less Than 12 Months | 56,522 | 81,236
Unrealized Losses, Less Than 12 Months | (6,430) | (1,960)
Fair Value, 12 Months or Longer | 71,294 | 8,271
Unrealized Losses, 12 Months or Longer | (15,303) | (378)
Fair Value, Total | 127,816 | 89,507
Unrealized Losses, Total | (21,733) | (2,338)
State and political subdivisions |  |
Investment securities with unrealized losses |  |
Fair Value, Less Than 12 Months | 485,654 | 103,651
Unrealized Losses, Less Than 12 Months | (121,150) | (1,020)
Fair Value, 12 Months or Longer | 42,427 | 10,020
Unrealized Losses, 12 Months or Longer | (16,378) | (185)
Fair Value, Total | 528,081 | 113,671
Unrealized Losses, Total | (137,528) | (1,205)
Mortgage-backed securities - residential |  |
Investment securities with unrealized losses |  |
Fair Value, Less Than 12 Months | 183,962 | 525,792
Unrealized Losses, Less Than 12 Months | (32,556) | (7,872)
Fair Value, 12 Months or Longer | 375,623 | 55,569
Unrealized Losses, 12 Months or Longer | (93,570) | (2,222)
Fair Value, Total | 559,585 | 581,361
Unrealized Losses, Total | (126,126) | (10,094)
Collateralized mortgage obligations - residential |  |
Investment securities with unrealized losses |  |
Fair Value, Less Than 12 Months | 45,785 | 7,270
Unrealized Losses, Less Than 12 Months | (3,715) | (71)
Fair Value, 12 Months or Longer | 3,427 | 0
Unrealized Losses, 12 Months or Longer | (463) | 0
Fair Value, Total | 49,212 | 7,270
Unrealized Losses, Total | (4,178) | (71)
Corporate bonds |  |
Investment securities with unrealized losses |  |
Fair Value, Less Than 12 Months | 3,292 | 418
Unrealized Losses, Less Than 12 Months | (145) | (2)
Fair Value, 12 Months or Longer | 791 | 715
Unrealized Losses, 12 Months or Longer | (158) | (27)
Fair Value, Total | 4,083 | 1,133
Unrealized Losses, Total | (303) | $ (29)
Small Business Administration |  |
Investment securities with unrealized losses |  |
Fair Value, Less Than 12 Months | 3,712 |
Unrealized Losses, Less Than 12 Months | (408) |
Fair Value, 12 Months or Longer | 0 |
Unrealized Losses, 12 Months or Longer | 0 |
Fair Value, Total | 3,712 |
Unrealized Losses, Total | $ (408) |

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