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Securities - Unrealized Losses Held-to-Maturity Debt Securities (Details) - USD ($)
$ in Thousands
Mar. 31, 2025
Dec. 31, 2024
Fair Value    
Less than 12 Months $ 0 $ 0
12 Months or Longer 274,820 267,295
Fair Value 274,820 267,295
Unrealized Losses    
Less than 12 Months 0 0
12 Months or Longer 37,657 45,167
Unrealized Losses 37,657 45,167
U.S. Treasuries    
Fair Value    
Less than 12 Months 0 0
12 Months or Longer 76,526 74,688
Fair Value 76,526 74,688
Unrealized Losses    
Less than 12 Months 0 0
12 Months or Longer 9,468 11,361
Unrealized Losses 9,468 11,361
Obligations of U.S. Government sponsored entities    
Fair Value    
Less than 12 Months 0 0
12 Months or Longer 198,294 192,607
Fair Value 198,294 192,607
Unrealized Losses    
Less than 12 Months 0 0
12 Months or Longer 28,189 33,806
Unrealized Losses $ 28,189 $ 33,806