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Securities - Unrealized Losses on Available-for-Sale of Securities (Details) - USD ($) $ in Thousands | Mar. 31, 2025 | Dec. 31, 2024
--- | --- | ---
Fair Value |  |
Less than 12 Months | $ 81,056 | $ 76,389
12 Months or Longer | 873,792 | 880,651
Total | 954,848 | 957,040
Unrealized Losses |  |
Less than 12 Months | 629 | 1,142
12 Months or Longer | 121,404 | 138,284
Total | 122,033 | 139,426
U.S. Treasuries |  |
Fair Value |  |
Less than 12 Months | 0 | 0
12 Months or Longer | 57,882 | 57,019
Total | 57,882 | 57,019
Unrealized Losses |  |
Less than 12 Months | 0 | 0
12 Months or Longer | 2,941 | 3,784
Total | 2,941 | 3,784
Obligations of U.S. Government sponsored entities |  |
Fair Value |  |
Less than 12 Months | 14,498 | 14,085
12 Months or Longer | 191,986 | 188,296
Total | 206,484 | 202,381
Unrealized Losses |  |
Less than 12 Months | 111 | 515
12 Months or Longer | 16,198 | 19,861
Total | 16,309 | 20,376
Obligations of U.S. states and political subdivisions |  |
Fair Value |  |
Less than 12 Months | 3,172 | 3,159
12 Months or Longer | 72,834 | 73,657
Total | 76,006 | 76,816
Unrealized Losses |  |
Less than 12 Months | 23 | 36
12 Months or Longer | 8,582 | 8,602
Total | 8,605 | 8,638
U.S. Government agencies |  |
Fair Value |  |
Less than 12 Months | 26,030 | 27,082
12 Months or Longer | 34,331 | 35,879
Total | 60,361 | 62,961
Unrealized Losses |  |
Less than 12 Months | 155 | 89
12 Months or Longer | 4,324 | 4,790
Total | 4,479 | 4,879
U.S. Government sponsored entities |  |
Fair Value |  |
Less than 12 Months | 37,356 | 32,063
12 Months or Longer | 514,281 | 523,353
Total | 551,637 | 555,416
Unrealized Losses |  |
Less than 12 Months | 340 | 502
12 Months or Longer | 89,337 | 101,194
Total | 89,677 | 101,696
U.S. corporate debt securities |  |
Fair Value |  |
Less than 12 Months | 0 | 0
12 Months or Longer | 2,478 | 2,447
Total | 2,478 | 2,447
Unrealized Losses |  |
Less than 12 Months | 0 | 0
12 Months or Longer | 22 | 53
Total | $ 22 | $ 53

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