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Loans And Allowance For Credit Losses (Allowance for Credit Losses and Recorded Investment in Loans) (Details) - USD ($)
$ in Thousands
 3 Months Ended 12 Months Ended
Mar. 31, 2024
Mar. 31, 2023
Dec. 31, 2022
Dec. 31, 2023
Financing Receivable, Allowance for Credit Losses [Line Items]        
Allowance for Credit Losses: Beginning Balance $ 7,412 $ 6,259    
Allowance for Credit Losses: Charge-Offs (65) (33)    
Allowance for Credit Losses: Recoveries 74 104    
Allowance for Credit Losses: Provision (Recovery of) (501) 140    
Allowance for Credit Losses: Ending Balance 6,920 7,715 $ 6,259  
Total loans 608,035     $ 609,333
Accounting Standards Update [Extensible Enumeration]     us-gaap:AccountingStandardsUpdate201613Member  
Cumulative Effect, Period of Adoption, Adjustment [Member]        
Financing Receivable, Allowance for Credit Losses [Line Items]        
Allowance for Credit Losses: Beginning Balance   1,245    
Allowance for Credit Losses: Ending Balance     $ 1,245  
Commercial [Member]        
Financing Receivable, Allowance for Credit Losses [Line Items]        
Allowance for Credit Losses: Beginning Balance 514 1,102    
Allowance for Credit Losses: Charge-Offs (8) (17)    
Allowance for Credit Losses: Recoveries 65 9    
Allowance for Credit Losses: Provision (Recovery of) 73 33    
Allowance for Credit Losses: Ending Balance 644 601 1,102  
Total loans 68,257     $ 65,324
Commercial [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member]        
Financing Receivable, Allowance for Credit Losses [Line Items]        
Allowance for Credit Losses: Beginning Balance   (526)    
Allowance for Credit Losses: Ending Balance     (526)  
Commercial Real Estate [Member]        
Financing Receivable, Allowance for Credit Losses [Line Items]        
Allowance for Credit Losses: Beginning Balance 3,985 2,902    
Allowance for Credit Losses: Charge-Offs    
Allowance for Credit Losses: Recoveries 1 88    
Allowance for Credit Losses: Provision (Recovery of) (344) (52)    
Allowance for Credit Losses: Ending Balance 3,642 4,095 2,902  
Commercial Real Estate [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member]        
Financing Receivable, Allowance for Credit Losses [Line Items]        
Allowance for Credit Losses: Beginning Balance   1,157    
Allowance for Credit Losses: Ending Balance     1,157  
Consumer [Member]        
Financing Receivable, Allowance for Credit Losses [Line Items]        
Allowance for Credit Losses: Beginning Balance 1,093 904    
Allowance for Credit Losses: Charge-Offs (57) (16)    
Allowance for Credit Losses: Recoveries 7 5    
Allowance for Credit Losses: Provision (Recovery of) (159) 11    
Allowance for Credit Losses: Ending Balance 884 1,161 904  
Consumer [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member]        
Financing Receivable, Allowance for Credit Losses [Line Items]        
Allowance for Credit Losses: Beginning Balance   257    
Allowance for Credit Losses: Ending Balance     257  
Residential [Member]        
Financing Receivable, Allowance for Credit Losses [Line Items]        
Allowance for Credit Losses: Beginning Balance 1,820 1,351    
Allowance for Credit Losses: Charge-Offs    
Allowance for Credit Losses: Recoveries 1 2    
Allowance for Credit Losses: Provision (Recovery of) (71) 148    
Allowance for Credit Losses: Ending Balance $ 1,750 1,858 1,351  
Residential [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member]        
Financing Receivable, Allowance for Credit Losses [Line Items]        
Allowance for Credit Losses: Beginning Balance   $ 357    
Allowance for Credit Losses: Ending Balance     $ 357