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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 | Sep. 30, 2019 | Dec. 31, 2018 | Sep. 30, 2018
--- | --- | --- | ---
Financing Receivable, Recorded Investment [Line Items] |  |  |
Loans and leases receivable, gross, carrying amount | $ 1,710,434 | $ 1,624,067 | $ 1,567,286
Home Equity [Member] |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Loans and leases receivable, gross, carrying amount | 69,240 | 70,096 | 73,849
Pass [Member] |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Loans and leases receivable, gross, carrying amount | 1,678,460 | 1,600,169 |
Pass [Member] | Home Equity [Member] |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Loans and leases receivable, gross, carrying amount | 69,181 | 70,004 |
Special Mention [Member] |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Loans and leases receivable, gross, carrying amount | 20,098 | 5,348 |
Substandard [Member] |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Loans and leases receivable, gross, carrying amount | 11,876 | 18,550 |
Substandard [Member] | Home Equity [Member] |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Loans and leases receivable, gross, carrying amount | 59 | 92 |
Commercial Portfolio [Member] | Commercial and Industrial [Member] |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Loans and leases receivable, gross, carrying amount | 320,400 | 286,518 | 269,150
Commercial Portfolio [Member] | Commercial Real Estate [Member] |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Loans and leases receivable, gross, carrying amount | 892,060 | 861,369 | 812,822
Commercial Portfolio [Member] | Commercial Real Estate - Construction [Member] |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Loans and leases receivable, gross, carrying amount | 177,151 | 142,173 | 145,368
Commercial Portfolio [Member] | Lease Financing [Member] |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Loans and leases receivable, gross, carrying amount |  | 53 | 132
Commercial Portfolio [Member] | Pass [Member] | Commercial and Industrial [Member] |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Loans and leases receivable, gross, carrying amount | 307,083 | 276,690 |
Commercial Portfolio [Member] | Pass [Member] | Commercial Real Estate [Member] |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Loans and leases receivable, gross, carrying amount | 875,155 | 850,150 |
Commercial Portfolio [Member] | Pass [Member] | Commercial Real Estate - Construction [Member] |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Loans and leases receivable, gross, carrying amount | 177,111 | 141,806 |
Commercial Portfolio [Member] | Special Mention [Member] | Commercial and Industrial [Member] |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Loans and leases receivable, gross, carrying amount | 11,068 | 2,769 |
Commercial Portfolio [Member] | Special Mention [Member] | Commercial Real Estate [Member] |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Loans and leases receivable, gross, carrying amount | 8,974 | 2,432 |
Commercial Portfolio [Member] | Substandard [Member] | Commercial and Industrial [Member] |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Loans and leases receivable, gross, carrying amount | 2,249 | 7,059 |
Commercial Portfolio [Member] | Substandard [Member] | Commercial Real Estate [Member] |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Loans and leases receivable, gross, carrying amount | 7,931 | 8,787 |
Commercial Portfolio [Member] | Substandard [Member] | Commercial Real Estate - Construction [Member] |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Loans and leases receivable, gross, carrying amount | 40 | 367 |
Finance Leases Portfolio [Member] | Lease Financing [Member] |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Loans and leases receivable, gross, carrying amount |  | 53 |
Finance Leases Portfolio [Member] | Pass [Member] | Lease Financing [Member] |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Loans and leases receivable, gross, carrying amount |  | 53 |
Residential Portfolio [Member] | Residential Mortgage [Member] |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Loans and leases receivable, gross, carrying amount | 243,729 | 253,543 | 255,386
Residential Portfolio [Member] | Pass [Member] | Residential Mortgage [Member] |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Loans and leases receivable, gross, carrying amount | 242,076 | 251,151 |
Residential Portfolio [Member] | Special Mention [Member] | Residential Mortgage [Member] |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Loans and leases receivable, gross, carrying amount | 56 | 147 |
Residential Portfolio [Member] | Substandard [Member] | Residential Mortgage [Member] |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Loans and leases receivable, gross, carrying amount | 1,597 | 2,245 |
Consumer Portfolio [Member] | Consumer [Member] |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Loans and leases receivable, gross, carrying amount | 7,854 | 10,315 | $ 10,579
Consumer Portfolio [Member] | Pass [Member] | Consumer [Member] |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Loans and leases receivable, gross, carrying amount | $ 7,854 | $ 10,315 |

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