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Securities - Schedule of Held-to-maturity Securities with Unrealized Losses (Details) - USD ($)
$ in Thousands
Sep. 30, 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 252,978 237,149
Unrealized Losses, 12 Months or Longer 59,407 46,749
Fair Value 252,978 261,692
Unrealized Losses 59,407 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 71,551 73,542
Unrealized Losses, 12 Months or Longer 14,767 12,937
Fair Value 71,551 73,542
Unrealized Losses 14,767 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 181,427 163,607
Unrealized Losses, 12 Months or Longer 44,640 33,812
Fair Value 181,427 188,150
Unrealized Losses $ 44,640 $ 37,715