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Loan Quality And Allowance for Credit Losses (Narrative) (Details)
3 Months Ended 6 Months Ended 12 Months Ended
Jun. 30, 2026
USD ($)
Mar. 31, 2026
USD ($)
loan
Jun. 30, 2025
USD ($)
loan
Jun. 30, 2026
USD ($)
loan
Jun. 30, 2025
USD ($)
loan
Dec. 31, 2025
USD ($)
Mar. 31, 2025
USD ($)
Dec. 31, 2024
USD ($)
Financing Receivable, Allowance for Credit Losses [Line Items]                
Loan deferrals or modifications $ 0     $ 0   $ 0    
Number of commercial loans | loan         2      
Number of loans modified | loan   0 0   0      
Loan classification substandard rating 4,200,000     4,200,000        
Loans modified       0   0    
Forbearance agreement amount advanced       17,387,000   7,409,000    
Allowance for loan losses 21,864,000 $ 20,729,000 $ 19,122,000 21,864,000 $ 19,122,000 20,655,000 $ 18,444,000 $ 17,653,000
Lending to Borrower 0     0        
Total Loans 1,610,619,000     1,610,619,000   1,561,238,000    
First Mortgage [Member]                
Financing Receivable, Allowance for Credit Losses [Line Items]                
Lending to Borrower 2,500,000     2,500,000        
Loans advanced 1,600,000     1,600,000        
Commercial [Member]                
Financing Receivable, Allowance for Credit Losses [Line Items]                
Forbearance agreement amount advanced           290,000    
Allowance for loan losses 2,364,000 3,037,000 3,460,000 2,364,000 3,460,000 3,641,000 3,394,000 3,182,000
Total Loans 205,879,000     205,879,000   225,499,000    
Commercial Real Estate [Member]                
Financing Receivable, Allowance for Credit Losses [Line Items]                
Forbearance agreement amount advanced       17,387,000   7,119,000    
Allowance for loan losses 16,418,000 $ 14,580,000 12,852,000 16,418,000 12,852,000 14,042,000 $ 12,480,000 $ 12,004,000
Total Loans 949,366,000     949,366,000   903,571,000    
Commercial Real Estate [Member] | First Mortgage [Member]                
Financing Receivable, Allowance for Credit Losses [Line Items]                
Forbearance agreement amount advanced 7,000,000.0              
Total Loans 8,600,000     8,600,000        
Commercial Real Estate [Member] | Second Mortgage [Member]                
Financing Receivable, Allowance for Credit Losses [Line Items]                
Forbearance agreement amount advanced       8,800,000        
Collateral Pledged [Member]                
Financing Receivable, Allowance for Credit Losses [Line Items]                
Collateral dependent loan 17,400,000     17,400,000        
Construction Loans [Member] | Commercial Real Estate [Member]                
Financing Receivable, Allowance for Credit Losses [Line Items]                
Collateral dependent loan           7,100,000    
Allowance for loan losses 1,200,000     1,200,000   $ 892,000    
Commercial Borrower [Member] | Commercial Real Estate [Member]                
Financing Receivable, Allowance for Credit Losses [Line Items]                
Allowance for loan losses 734,000     $ 734,000        
Collateral Dependent [Member] | Commercial [Member]                
Financing Receivable, Allowance for Credit Losses [Line Items]                
Number of loans pledged as collateral | loan       6        
Collateral Dependent [Member] | Commercial Real Estate [Member]                
Financing Receivable, Allowance for Credit Losses [Line Items]                
Number of loans pledged as collateral | loan       1        
Collateral dependent loan 8,800,000   $ 10,300,000 $ 8,800,000 $ 10,300,000      
Collateral Dependent [Member] | Construction Loans [Member] | Commercial Real Estate [Member]                
Financing Receivable, Allowance for Credit Losses [Line Items]                
Number of loans pledged as collateral | loan       1        
Collateral dependent loan $ 8,600,000     $ 8,600,000