v3.25.2
Subordinated Debt And Other Borrowing Arrangements (Narrative) (Details) - USD ($)
6 Months Ended
Dec. 20, 2019
Jun. 30, 2025
Dec. 31, 2024
Debt Instrument [Line Items]      
Short-term borrowings outstanding   $ 145,000,000 $ 185,000,000
Federal Reserve Bank [Member]      
Debt Instrument [Line Items]      
Borrowing capacity   844,700,000 786,500,000
Short-term borrowings outstanding   $ 0 $ 0
Federal Home Loan Bank [Member]      
Debt Instrument [Line Items]      
Interest rate at end of period   4.64% 4.78%
Short-term borrowings outstanding   $ 25,000,000.0 $ 70,000,000.0
Remaining borrowing capacity   431,900,000 391,200,000
Federal Funds Line Of Credit [Member]      
Debt Instrument [Line Items]      
Borrowing capacity   200,000,000.0 175,000,000.0
Line of credit, outstanding   $ 120,000,000.0 $ 115,000,000.0
Federal Funds Line Of Credit [Member] | Maximum [Member]      
Debt Instrument [Line Items]      
Interest rate paid on borrowings   4.65% 4.65%
Federal Funds Line Of Credit [Member] | Minimum [Member]      
Debt Instrument [Line Items]      
Interest rate paid on borrowings   4.45% 4.40%
Subordinated Debt [Member]      
Debt Instrument [Line Items]      
Debt, face amount $ 22,000,000.0    
Debt instrument term   10 years  
Debt, maturity date   Dec. 30, 2029  
Debt, stated interest rate 5.00%    
Debt, basis spread 3.595%    
Interest rate at end of period   7.89%  
Debt, redeemable period, subject to conditions   5 years  
Subordinated Debt [Member] | Fixed-To-Floating Rate Subordinated Notes [Member]      
Debt Instrument [Line Items]      
Debt, interest rate term   5 years