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Securities - Unrealized Losses Held-to-Maturity Debt Securities (Details) - USD ($) $ in Thousands | Dec. 31, 2023 | Dec. 31, 2022
--- | --- | ---
Schedule of Held-to-maturity Securities [Line Items] |  |
Fair Value, Less than 12 Months | $ 0 | $ 24,543
Unrealized Losses, Less than 12 Months | 0 | 3,903
Fair Value, 12 Months or Longer | 267,455 | 237,149
Unrealized Losses, 12 Months or Longer | 44,946 | 46,749
Fair Value | 267,455 | 261,692
Unrealized Losses | 44,946 | 50,652
U.S. Treasuries |  |
Schedule of Held-to-maturity Securities [Line Items] |  |
Fair Value, Less than 12 Months | 0 | 0
Unrealized Losses, Less than 12 Months | 0 | 0
Fair Value, 12 Months or Longer | 75,215 | 73,542
Unrealized Losses, 12 Months or Longer | 11,051 | 12,937
Fair Value | 75,215 | 73,542
Unrealized Losses | 11,051 | 12,937
Obligations of U.S. Government sponsored entities |  |
Schedule of Held-to-maturity Securities [Line Items] |  |
Fair Value, Less than 12 Months | 0 | 24,543
Unrealized Losses, Less than 12 Months | 0 | 3,903
Fair Value, 12 Months or Longer | 192,240 | 163,607
Unrealized Losses, 12 Months or Longer | 33,895 | 33,812
Fair Value | 192,240 | 188,150
Unrealized Losses | $ 33,895 | $ 37,715

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