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Loans and Allowance for Loan and Lease Losses (Classes Of The Loan Portfolio Summarized By The Aggregate Risk Rating) (Details) - USD ($) $ in Thousands | Jun. 30, 2018 | Dec. 31, 2017 | Jun. 30, 2017
--- | --- | --- | ---
Financing Receivable, Recorded Investment [Line Items] |  |  |
Loans and Leases Receivable, Gross, Carrying Amount | $ 1,036,479 | $ 910,404 | $ 862,307
Home Equity [Member] |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Loans and Leases Receivable, Gross, Carrying Amount | 47,815 | 41,893 | 38,671
Pass [Member] |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Loans and Leases Receivable, Gross, Carrying Amount | 1,016,487 | 892,622 |
Pass [Member] | Home Equity [Member] |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Loans and Leases Receivable, Gross, Carrying Amount | 47,732 | 41,479 |
Special Mention [Member] |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Loans and Leases Receivable, Gross, Carrying Amount | 4,493 | 2,332 |
Special Mention [Member] | Home Equity [Member] |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Loans and Leases Receivable, Gross, Carrying Amount | 4 | 105 |
Substandard [Member] |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Loans and Leases Receivable, Gross, Carrying Amount | 15,499 | 15,450 |
Substandard [Member] | Home Equity [Member] |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Loans and Leases Receivable, Gross, Carrying Amount | 79 | 309 |
Commercial Portfolio [Member] | Commercial and Industrial [Member] |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Loans and Leases Receivable, Gross, Carrying Amount | 204,724 | 188,033 | 181,368
Commercial Portfolio [Member] | Commercial Real Estate [Member] |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Loans and Leases Receivable, Gross, Carrying Amount | 575,956 | 515,012 | 482,141
Commercial Portfolio [Member] | Commercial Real Estate - Construction [Member] |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Loans and Leases Receivable, Gross, Carrying Amount | 82,690 | 62,336 | 53,305
Commercial Portfolio [Member] | Lease Financing [Member] |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Loans and Leases Receivable, Gross, Carrying Amount | 153 | 229 | 307
Commercial Portfolio [Member] | Pass [Member] | Commercial and Industrial [Member] |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Loans and Leases Receivable, Gross, Carrying Amount | 197,102 | 182,168 |
Commercial Portfolio [Member] | Pass [Member] | Commercial Real Estate [Member] |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Loans and Leases Receivable, Gross, Carrying Amount | 565,517 | 505,397 |
Commercial Portfolio [Member] | Pass [Member] | Commercial Real Estate - Construction [Member] |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Loans and Leases Receivable, Gross, Carrying Amount | 82,323 | 61,667 |
Commercial Portfolio [Member] | Special Mention [Member] | Commercial and Industrial [Member] |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Loans and Leases Receivable, Gross, Carrying Amount | 2,420 | 453 |
Commercial Portfolio [Member] | Special Mention [Member] | Commercial Real Estate [Member] |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Loans and Leases Receivable, Gross, Carrying Amount | 1,807 | 1,435 |
Commercial Portfolio [Member] | Special Mention [Member] | Commercial Real Estate - Construction [Member] |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Loans and Leases Receivable, Gross, Carrying Amount |  | 182 |
Commercial Portfolio [Member] | Substandard [Member] | Commercial and Industrial [Member] |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Loans and Leases Receivable, Gross, Carrying Amount | 5,202 | 5,412 |
Commercial Portfolio [Member] | Substandard [Member] | Commercial Real Estate [Member] |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Loans and Leases Receivable, Gross, Carrying Amount | 8,632 | 8,180 |
Commercial Portfolio [Member] | Substandard [Member] | Commercial Real Estate - Construction [Member] |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Loans and Leases Receivable, Gross, Carrying Amount | 367 | 487 |
Finance Leases Portfolio [Member] | Lease Financing [Member] |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Loans and Leases Receivable, Gross, Carrying Amount | 153 | 229 |
Finance Leases Portfolio [Member] | Pass [Member] | Lease Financing [Member] |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Loans and Leases Receivable, Gross, Carrying Amount | 153 | 229 |
Residential Portfolio [Member] | Residential Mortgage [Member] |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Loans and Leases Receivable, Gross, Carrying Amount | 120,260 | 99,033 | 102,637
Residential Portfolio [Member] | Pass [Member] | Residential Mortgage [Member] |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Loans and Leases Receivable, Gross, Carrying Amount | 118,779 | 97,814 |
Residential Portfolio [Member] | Special Mention [Member] | Residential Mortgage [Member] |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Loans and Leases Receivable, Gross, Carrying Amount | 262 | 157 |
Residential Portfolio [Member] | Substandard [Member] | Residential Mortgage [Member] |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Loans and Leases Receivable, Gross, Carrying Amount | 1,219 | 1,062 |
Consumer Portfolio [Member] | Consumer [Member] |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Loans and Leases Receivable, Gross, Carrying Amount | 4,881 | 3,868 | $ 3,878
Consumer Portfolio [Member] | Pass [Member] | Consumer [Member] |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Loans and Leases Receivable, Gross, Carrying Amount | $ 4,881 | $ 3,868 |

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