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Loan Quality and Allowance for Credit Losses (Schedule of loans by Year of origination and Internally Assigned Risk Ratings) (Details) - USD ($)
$ in Thousands
 9 Months Ended
Sep. 30, 2023
Dec. 31, 2022
Financing Receivable, Allowance for Credit Losses [Line Items]    
Total $ 736,892 $ 678,523
Residential Real Estate [Member]    
Financing Receivable, Allowance for Credit Losses [Line Items]    
2023 44,888  
2022 39,543  
2021 27,172  
2020 20,700  
2019 8,138  
Prior 53,633  
Revolving Loans Amortized Cost Basis 44,378  
Revolving Loans Converted to Term 20,605  
Total 259,057  
Residential Real Estate [Member] | Residential Real Estate Commercial [Member]    
Financing Receivable, Allowance for Credit Losses [Line Items]    
2023 7,702  
2022 9,386  
2021 11,426  
2020 9,807  
2019 2,454  
Prior 24,028  
Revolving Loans Amortized Cost Basis 1,824  
Total 66,627  
Residential Real Estate [Member] | Residential Real Estate Commercial [Member] | Pass [Member]    
Financing Receivable, Allowance for Credit Losses [Line Items]    
2023 7,702  
2022 9,386  
2021 11,426  
2020 9,807  
2019 2,454  
Prior 23,930  
Revolving Loans Amortized Cost Basis 1,824  
Total 66,529  
Residential Real Estate [Member] | Residential Real Estate Commercial [Member] | Substandard [Member]    
Financing Receivable, Allowance for Credit Losses [Line Items]    
Prior 98  
Total 98  
Residential Real Estate [Member] | Residential Real Estate Consumer [Member]    
Financing Receivable, Allowance for Credit Losses [Line Items]    
2023 37,186  
2022 30,157  
2021 15,746  
2020 10,893  
2019 5,684  
Prior 29,605  
Revolving Loans Amortized Cost Basis 42,554  
Revolving Loans Converted to Term 20,605  
Total 192,430  
Residential Real Estate [Member] | Residential Real Estate Consumer [Member] | Performing [Member]    
Financing Receivable, Allowance for Credit Losses [Line Items]    
2023 37,186  
2022 30,157  
2021 15,746  
2020 10,893  
2019 5,684  
Prior 29,605  
Revolving Loans Amortized Cost Basis 42,554  
Revolving Loans Converted to Term 20,605  
Total 192,430  
Residential Real Estate - Construction [Member]    
Financing Receivable, Allowance for Credit Losses [Line Items]    
2023 10,854  
2022 6,679  
2021 1,503  
2020 229  
Prior 1,819  
Total 21,084  
Residential Real Estate - Construction [Member] | Residential Real Estate Commercial [Member]    
Financing Receivable, Allowance for Credit Losses [Line Items]    
2023 3,420  
2022 2,849  
2021 1,503  
2020 229  
Prior 1,819  
Total 9,820  
Residential Real Estate - Construction [Member] | Residential Real Estate Consumer [Member]    
Financing Receivable, Allowance for Credit Losses [Line Items]    
2023 7,434  
2022 3,830  
Total 11,264  
Residential Real Estate - Construction [Member] | Residential Real Estate Consumer [Member] | Performing [Member]    
Financing Receivable, Allowance for Credit Losses [Line Items]    
2023 7,434  
2022 3,830  
Total 11,264  
Commercial Real Estate [Member]    
Financing Receivable, Allowance for Credit Losses [Line Items]    
2023 140,948  
2022 118,484  
2021 99,775  
2020 41,944  
2019 39,762  
Prior 224,765  
Revolving Loans Amortized Cost Basis 5,504  
Total 671,182  
Commercial Real Estate [Member] | Pass [Member]    
Financing Receivable, Allowance for Credit Losses [Line Items]    
2023 140,948  
2022 118,484  
2021 99,775  
2020 41,944  
2019 39,762  
Prior 219,830  
Revolving Loans Amortized Cost Basis 5,310  
Total 666,053  
Commercial Real Estate [Member] | OAEM [Member]    
Financing Receivable, Allowance for Credit Losses [Line Items]    
Prior 2,203  
Revolving Loans Amortized Cost Basis 144  
Total 2,347  
Commercial Real Estate [Member] | Substandard [Member]    
Financing Receivable, Allowance for Credit Losses [Line Items]    
Prior 2,732  
Revolving Loans Amortized Cost Basis 50  
Total 2,782  
Commercial [Member]    
Financing Receivable, Allowance for Credit Losses [Line Items]    
2023 28,647  
2022 35,569  
2021 47,478  
2020 23,762  
2019 4,121  
Prior 69,155  
Revolving Loans Amortized Cost Basis 40,387  
Total 249,119  
Current period gross charge-offs, 2023 (8)  
Current period gross charge-offs, 2021 (81)  
Current period gross charge-offs, Total (89)  
Commercial [Member] | Pass [Member]    
Financing Receivable, Allowance for Credit Losses [Line Items]    
2023 28,531  
2022 35,229  
2021 47,478  
2020 23,762  
2019 4,121  
Prior 65,513  
Revolving Loans Amortized Cost Basis 39,315  
Total 243,949  
Commercial [Member] | Substandard [Member]    
Financing Receivable, Allowance for Credit Losses [Line Items]    
2023 116  
2022 340  
Prior 3,642  
Revolving Loans Amortized Cost Basis 1,072  
Total 5,170  
Consumer [Member]    
Financing Receivable, Allowance for Credit Losses [Line Items]    
2023 1,421  
2022 759  
2021 2,053  
2020 181  
2019 114  
Prior 8  
Revolving Loans Amortized Cost Basis 1,872  
Total 6,408  
Current period gross charge-offs, 2023 (37)  
Current period gross charge-offs, 2022 (16)  
Current period gross charge-offs, 2021 (10)  
Current period gross charge-offs, 2020 (2)  
Current period gross charge-offs, 2019 (6)  
Current period gross charge-offs, Revolving loans amortized cost basis (26)  
Current period gross charge-offs, Total (97)  
Consumer [Member] | Performing [Member]    
Financing Receivable, Allowance for Credit Losses [Line Items]    
2023 1,421  
2022 759  
2021 2,053  
2020 181  
2019 114  
Prior 8  
Revolving Loans Amortized Cost Basis 1,858  
Total 6,394  
Consumer [Member] | Nonperforming [Member]    
Financing Receivable, Allowance for Credit Losses [Line Items]    
Revolving Loans Amortized Cost Basis 14  
Total $ 14