v3.26.1
Loans and Allowance for Credit Losses (Provides Detail by Portfolio Class for Reportable MEFDs) (Details) - Modified Loans To Borrowers Experiencing Financial Difficulty [Member] - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Dec. 31, 2025
Financing Receivable, Modifications [Line Items]          
Total reportable modified loans, Balance $ 154,300   $ 154,300   $ 162,800
Term Extension [Member]          
Financing Receivable, Modifications [Line Items]          
Total reportable modified loans, Balance $ 41,059 $ 35,490 $ 45,762 $ 57,574  
Reportable modified loans percentage of portfolio class 0.17% 0.15% 0.19% 0.25%  
Term Extension [Member] | Residential Mortgages [Member]          
Financing Receivable, Modifications [Line Items]          
Total reportable modified loans, Balance $ 1,604 $ 1,106 $ 5,536 $ 14,207  
Reportable modified loans percentage of portfolio class 0.04% 0.03% 0.14% 0.35%  
Term Extension [Member] | Consumer [Member]          
Financing Receivable, Modifications [Line Items]          
Total reportable modified loans, Balance $ 69   $ 99    
Reportable modified loans percentage of portfolio class 0.01%   0.01%    
Significant Payment Delay [Member]          
Financing Receivable, Modifications [Line Items]          
Total reportable modified loans, Balance $ 10,627 $ 9,021 $ 26,843 $ 9,631  
Reportable modified loans percentage of portfolio class 0.04% 0.04% 0.11% 0.04%  
Significant Payment Delay [Member] | Residential Mortgages [Member]          
Financing Receivable, Modifications [Line Items]          
Total reportable modified loans, Balance       $ 414  
Reportable modified loans percentage of portfolio class       0.01%  
Term Extensions and Significant Payment Delay [Member]          
Financing Receivable, Modifications [Line Items]          
Total reportable modified loans, Balance   $ 70 $ 6,519 $ 70  
Reportable modified loans percentage of portfolio class   0.00% 0.03% 0.00%  
Other [Member]          
Financing Receivable, Modifications [Line Items]          
Total reportable modified loans, Balance     $ 262    
Reportable modified loans percentage of portfolio class     0.00%    
Other [Member] | Residential Mortgages [Member]          
Financing Receivable, Modifications [Line Items]          
Total reportable modified loans, Balance     $ 262    
Reportable modified loans percentage of portfolio class     0.01%    
Total Commercial And Industrial [Member] | Term Extension [Member]          
Financing Receivable, Modifications [Line Items]          
Total reportable modified loans, Balance $ 39,386 $ 34,384 $ 40,127 $ 43,367  
Reportable modified loans percentage of portfolio class 0.30% 0.27% 0.30% 0.34%  
Total Commercial And Industrial [Member] | Term Extension [Member] | Commercial Non-Real Estate [Member]          
Financing Receivable, Modifications [Line Items]          
Total reportable modified loans, Balance $ 7,839 $ 34,384 $ 8,580 $ 43,015  
Reportable modified loans percentage of portfolio class 0.08% 0.35% 0.09% 0.44%  
Total Commercial And Industrial [Member] | Term Extension [Member] | Commercial Real Estate - Owner Occupied [Member]          
Financing Receivable, Modifications [Line Items]          
Total reportable modified loans, Balance $ 31,547   $ 31,547 $ 352  
Reportable modified loans percentage of portfolio class 0.94%   0.94% 0.01%  
Total Commercial And Industrial [Member] | Significant Payment Delay [Member]          
Financing Receivable, Modifications [Line Items]          
Total reportable modified loans, Balance $ 10,627 $ 9,021 $ 26,843 $ 9,217  
Reportable modified loans percentage of portfolio class 0.08% 0.07% 0.20% 0.07%  
Total Commercial And Industrial [Member] | Significant Payment Delay [Member] | Commercial Non-Real Estate [Member]          
Financing Receivable, Modifications [Line Items]          
Total reportable modified loans, Balance $ 10,627 $ 9,021 $ 26,843 $ 9,217  
Reportable modified loans percentage of portfolio class 0.11% 0.09% 0.27% 0.09%  
Total Commercial And Industrial [Member] | Term Extensions and Significant Payment Delay [Member]          
Financing Receivable, Modifications [Line Items]          
Total reportable modified loans, Balance   $ 70 $ 6,519 $ 70  
Reportable modified loans percentage of portfolio class   0.00% 0.05% 0.00%  
Total Commercial And Industrial [Member] | Term Extensions and Significant Payment Delay [Member] | Commercial Non-Real Estate [Member]          
Financing Receivable, Modifications [Line Items]          
Total reportable modified loans, Balance   $ 70 $ 6,519 $ 70  
Reportable modified loans percentage of portfolio class   0.00% 0.07% 0.00%