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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