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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 | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2024 | Mar. 31, 2023 | Dec. 31, 2023
Financing Receivable, Allowance for Credit Losses [Line Items] |  |  |
Total Loans | $ 1,277,595 |  | $ 1,256,985
Current period gross charge-offs, Total | (96) | $ (120) |
Residential Real Estate [Member] |  |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |  |
Loans, Current Year | 8,667 |  | 62,995
Loans, One Year Before Current Fiscal Year | 61,632 |  | 43,224
Loans, Two Years Before Current Fiscal Year | 42,245 |  | 26,663
Loans, Three Years Before Current Fiscal Year | 26,166 |  | 19,936
Loans, Four Years Before Current Fiscal Year | 19,273 |  | 7,655
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year | 19,273 |  | 7,655
Prior | 56,009 |  | 51,329
Revolving Loans Amortized Cost Basis | 46,065 |  | 46,025
Revolving Loans Converted to Term | 21,146 |  | 20,022
Total Loans | 281,203 |  | 277,849
Residential Real Estate [Member] | First Liens [Member] |  |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |  |
Total Loans | 208,994 |  | 205,288
Residential Real Estate [Member] | Junior Liens & Lines Of Credit [Member] |  |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |  |
Total Loans | 72,209 |  | 72,561
Residential Real Estate [Member] | Residential Real Estate Commercial [Member] |  |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |  |
Loans, Current Year | 2,305 |  | 9,867
Loans, One Year Before Current Fiscal Year | 9,845 |  | 9,088
Loans, Two Years Before Current Fiscal Year | 8,813 |  | 11,038
Loans, Three Years Before Current Fiscal Year | 10,904 |  | 9,691
Loans, Four Years Before Current Fiscal Year | 9,427 |  | 2,433
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year | 9,427 |  | 2,433
Prior | 24,002 |  | 22,906
Revolving Loans Amortized Cost Basis | 2,342 |  | 2,057
Total Loans | 67,638 |  | 67,080
Residential Real Estate [Member] | Residential Real Estate Commercial [Member] | Pass [Member] |  |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |  |
Loans, Current Year | 2,305 |  | 9,867
Loans, One Year Before Current Fiscal Year | 9,845 |  | 9,088
Loans, Two Years Before Current Fiscal Year | 8,813 |  | 11,038
Loans, Three Years Before Current Fiscal Year | 10,904 |  | 9,691
Loans, Four Years Before Current Fiscal Year | 9,427 |  | 2,433
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year | 9,427 |  | 2,433
Prior | 24,002 |  | 22,906
Revolving Loans Amortized Cost Basis | 2,342 |  | 2,057
Total Loans | 67,638 |  | 67,080
Residential Real Estate [Member] | Residential Real Estate Consumer [Member] |  |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |  |
Loans, Current Year | 6,362 |  | 53,128
Loans, One Year Before Current Fiscal Year | 51,787 |  | 34,136
Loans, Two Years Before Current Fiscal Year | 33,432 |  | 15,625
Loans, Three Years Before Current Fiscal Year | 15,262 |  | 10,245
Loans, Four Years Before Current Fiscal Year | 9,846 |  | 5,222
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year | 9,846 |  | 5,222
Prior | 32,007 |  | 28,423
Revolving Loans Amortized Cost Basis | 43,723 |  | 43,968
Revolving Loans Converted to Term | 21,146 |  | 20,022
Total Loans | 213,565 |  | 210,769
Residential Real Estate [Member] | Residential Real Estate Consumer [Member] | Performing [Member] |  |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |  |
Loans, Current Year | 6,362 |  | 53,128
Loans, One Year Before Current Fiscal Year | 51,787 |  | 34,136
Loans, Two Years Before Current Fiscal Year | 33,432 |  | 15,625
Loans, Three Years Before Current Fiscal Year | 15,262 |  | 10,245
Loans, Four Years Before Current Fiscal Year | 9,846 |  | 5,222
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year | 9,846 |  | 5,222
Prior | 32,007 |  | 28,423
Revolving Loans Amortized Cost Basis | 43,723 |  | 43,968
Revolving Loans Converted to Term | 21,146 |  | 20,022
Total Loans | 213,565 |  | 210,769
Residential Real Estate - Construction [Member] |  |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |  |
Loans, Current Year | 940 |  | 20,682
Loans, One Year Before Current Fiscal Year | 23,906 |  | 2,209
Loans, Two Years Before Current Fiscal Year | 2,356 |  | 1,289
Loans, Three Years Before Current Fiscal Year | 949 |  | 214
Loans, Four Years Before Current Fiscal Year | 196 |  |
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year | 196 |  |
Prior | 539 |  | 1,506
Total Loans | 28,886 |  | 25,900
Residential Real Estate - Construction [Member] | Residential Real Estate Commercial [Member] |  |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |  |
Loans, Current Year | 252 |  | 6,845
Loans, One Year Before Current Fiscal Year | 8,301 |  | 2,209
Loans, Two Years Before Current Fiscal Year | 2,356 |  | 1,289
Loans, Three Years Before Current Fiscal Year | 949 |  | 214
Loans, Four Years Before Current Fiscal Year | 196 |  |
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year | 196 |  |
Prior | 539 |  | 1,506
Total Loans | 12,593 |  | 12,063
Residential Real Estate - Construction [Member] | Residential Real Estate Commercial [Member] | Pass [Member] |  |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |  |
Loans, Current Year | 252 |  | 6,845
Loans, One Year Before Current Fiscal Year | 8,301 |  | 2,209
Loans, Two Years Before Current Fiscal Year | 2,356 |  | 1,289
Loans, Three Years Before Current Fiscal Year | 949 |  | 214
Loans, Four Years Before Current Fiscal Year | 196 |  |
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year | 196 |  |
Prior | 539 |  | 1,506
Total Loans | 12,593 |  | 12,063
Residential Real Estate - Construction [Member] | Residential Real Estate Consumer [Member] |  |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |  |
Loans, Current Year | 688 |  | 13,837
Loans, One Year Before Current Fiscal Year | 15,605 |  |
Total Loans | 16,293 |  | 13,837
Residential Real Estate - Construction [Member] | Residential Real Estate Consumer [Member] | Performing [Member] |  |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |  |
Loans, Current Year | 688 |  | 13,837
Loans, One Year Before Current Fiscal Year | 15,605 |  |
Total Loans | 16,293 |  | 13,837
Commercial Real Estate [Member] |  |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |  |
Loans, Current Year | 17,044 |  | 183,007
Loans, One Year Before Current Fiscal Year | 196,082 |  | 112,236
Loans, Two Years Before Current Fiscal Year | 111,372 |  | 99,540
Loans, Three Years Before Current Fiscal Year | 99,514 |  | 41,130
Loans, Four Years Before Current Fiscal Year | 40,576 |  | 38,603
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year | 40,576 |  | 38,603
Prior | 243,831 |  | 218,495
Revolving Loans Amortized Cost Basis | 12,901 |  | 10,756
Total Loans | 721,320 |  | 703,767
Loans Amortized Prior | (2) |  |
Current period gross charge-offs, Total | (2) |  |
Commercial Real Estate [Member] | Pass [Member] |  |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |  |
Loans, Current Year | 17,044 |  | 180,052
Loans, One Year Before Current Fiscal Year | 193,141 |  | 110,886
Loans, Two Years Before Current Fiscal Year | 110,031 |  | 98,540
Loans, Three Years Before Current Fiscal Year | 98,514 |  | 34,307
Loans, Four Years Before Current Fiscal Year | 33,814 |  | 38,603
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year | 33,814 |  | 38,603
Prior | 239,161 |  | 214,179
Revolving Loans Amortized Cost Basis | 12,727 |  | 10,567
Total Loans | 704,432 |  | 687,134
Commercial Real Estate [Member] | OAEM [Member] |  |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |  |
Loans, Current Year |  |  | 2,955
Loans, One Year Before Current Fiscal Year | 2,941 |  | 1,350
Loans, Two Years Before Current Fiscal Year | 1,341 |  | 1,000
Loans, Three Years Before Current Fiscal Year | 1,000 |  | 6,823
Loans, Four Years Before Current Fiscal Year | 6,762 |  |
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year | 6,762 |  |
Prior | 2,157 |  | 2,182
Revolving Loans Amortized Cost Basis | 124 |  | 139
Total Loans | 14,325 |  | 14,449
Commercial Real Estate [Member] | Substandard [Member] |  |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |  |
Prior | 2,513 |  | 2,134
Revolving Loans Amortized Cost Basis | 50 |  | 50
Total Loans | 2,563 |  | 2,184
Commercial [Member] |  |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |  |
Loans, Current Year | 2,214 |  | 34,851
Loans, One Year Before Current Fiscal Year | 33,580 |  | 34,300
Loans, Two Years Before Current Fiscal Year | 32,887 |  | 45,754
Loans, Three Years Before Current Fiscal Year | 44,547 |  | 22,847
Loans, Four Years Before Current Fiscal Year | 21,960 |  | 3,579
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year | 21,960 |  | 3,579
Prior | 66,286 |  | 64,542
Revolving Loans Amortized Cost Basis | 38,129 |  | 36,781
Total Loans | 239,603 |  | 242,654
Current period gross charge-offs, 2024 | (4) |  |
Current period gross charge-offs, 2023 |  |  | (125)
Current period gross charge-offs, 2021 |  |  | (130)
Current period gross charge-offs, Revolving loans amortized cost basis | (62) |  | (50)
Current period gross charge-offs, Total | (66) | (86) | (305)
Commercial [Member] | Pass [Member] |  |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |  |
Loans, Current Year | 2,214 |  | 34,851
Loans, One Year Before Current Fiscal Year | 33,580 |  | 33,983
Loans, Two Years Before Current Fiscal Year | 32,580 |  | 45,754
Loans, Three Years Before Current Fiscal Year | 44,547 |  | 22,847
Loans, Four Years Before Current Fiscal Year | 21,959 |  | 3,579
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year | 21,959 |  | 3,579
Prior | 66,286 |  | 64,542
Revolving Loans Amortized Cost Basis | 37,933 |  | 36,508
Total Loans | 239,099 |  | 242,064
Commercial [Member] | Substandard [Member] |  |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |  |
Loans, One Year Before Current Fiscal Year |  |  | 317
Loans, Two Years Before Current Fiscal Year | 307 |  |
Loans, Four Years Before Current Fiscal Year | 1 |  |
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year | 1 |  |
Revolving Loans Amortized Cost Basis | 196 |  | 273
Total Loans | 504 |  | 590
Consumer [Member] |  |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |  |
Loans, Current Year | 648 |  | 1,863
Loans, One Year Before Current Fiscal Year | 1,544 |  | 669
Loans, Two Years Before Current Fiscal Year | 588 |  | 1,985
Loans, Three Years Before Current Fiscal Year | 1,911 |  | 148
Loans, Four Years Before Current Fiscal Year | 113 |  | 80
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year | 113 |  | 80
Prior | 64 |  | 5
Revolving Loans Amortized Cost Basis | 1,715 |  | 2,065
Total Loans | 6,583 |  | 6,815
Current period gross charge-offs, 2024 | (12) |  |
Current period gross charge-offs, 2023 |  |  | (63)
Current period gross charge-offs, 2022 | (2) |  |
Current period gross charge-offs, 2021 |  |  | (10)
Current period gross charge-offs, 2020 | (6) |  | (2)
Current period gross charge-offs, 2019 |  |  | (6)
Loans Amortized Prior | (1) |  |
Current period gross charge-offs, Revolving loans amortized cost basis | (7) |  | (36)
Current period gross charge-offs, Total | (28) | $ (34) | (117)
Consumer [Member] | Performing [Member] |  |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |  |
Loans, Current Year | 648 |  | 1,863
Loans, One Year Before Current Fiscal Year | 1,544 |  | 669
Loans, Two Years Before Current Fiscal Year | 588 |  | 1,985
Loans, Three Years Before Current Fiscal Year | 1,911 |  | 148
Loans, Four Years Before Current Fiscal Year | 113 |  | 80
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year | 113 |  | 80
Prior | 64 |  | 5
Revolving Loans Amortized Cost Basis | 1,710 |  | 2,060
Total Loans | 6,578 |  | 6,810
Consumer [Member] | Nonperforming [Member] |  |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |  |
Revolving Loans Amortized Cost Basis | 5 |  | 5
Total Loans | $ 5 |  | $ 5

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