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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, 2018 | Dec. 31, 2017 | Sep. 30, 2017
--- | --- | --- | ---
Financing Receivable, Recorded Investment [Line Items] |  |  |
Loans and Leases Receivable, Gross, Carrying Amount | $ 1,567,286 | $ 910,404 | $ 877,386
Home Equity [Member] |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Loans and Leases Receivable, Gross, Carrying Amount | 73,849 | 41,893 | 40,350
Pass [Member] |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Loans and Leases Receivable, Gross, Carrying Amount | 1,544,229 | 892,622 |
Pass [Member] | Home Equity [Member] |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Loans and Leases Receivable, Gross, Carrying Amount | 73,753 | 41,479 |
Special Mention [Member] |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Loans and Leases Receivable, Gross, Carrying Amount | 4,171 | 2,332 |
Special Mention [Member] | Home Equity [Member] |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Loans and Leases Receivable, Gross, Carrying Amount |  | 105 |
Substandard [Member] |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Loans and Leases Receivable, Gross, Carrying Amount | 18,886 | 15,450 |
Substandard [Member] | Home Equity [Member] |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Loans and Leases Receivable, Gross, Carrying Amount | 96 | 309 |
Commercial Portfolio [Member] | Commercial and Industrial [Member] |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Loans and Leases Receivable, Gross, Carrying Amount | 269,150 | 188,033 | 182,857
Commercial Portfolio [Member] | Commercial Real Estate [Member] |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Loans and Leases Receivable, Gross, Carrying Amount | 812,822 | 515,012 | 490,603
Commercial Portfolio [Member] | Commercial Real Estate - Construction [Member] |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Loans and Leases Receivable, Gross, Carrying Amount | 145,368 | 62,336 | 58,074
Commercial Portfolio [Member] | Lease Financing [Member] |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Loans and Leases Receivable, Gross, Carrying Amount | 132 | 229 | 259
Commercial Portfolio [Member] | Pass [Member] | Commercial and Industrial [Member] |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Loans and Leases Receivable, Gross, Carrying Amount | 259,870 | 182,168 |
Commercial Portfolio [Member] | Pass [Member] | Commercial Real Estate [Member] |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Loans and Leases Receivable, Gross, Carrying Amount | 801,897 | 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 | 145,001 | 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 | 2,106 | 453 |
Commercial Portfolio [Member] | Special Mention [Member] | Commercial Real Estate [Member] |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Loans and Leases Receivable, Gross, Carrying Amount | 1,917 | 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 | 7,174 | 5,412 |
Commercial Portfolio [Member] | Substandard [Member] | Commercial Real Estate [Member] |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Loans and Leases Receivable, Gross, Carrying Amount | 9,008 | 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 | 132 | 229 |
Finance Leases Portfolio [Member] | Pass [Member] | Lease Financing [Member] |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Loans and Leases Receivable, Gross, Carrying Amount | 132 | 229 |
Residential Portfolio [Member] | Residential Mortgage [Member] |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Loans and Leases Receivable, Gross, Carrying Amount | 255,386 | 99,033 | 101,073
Residential Portfolio [Member] | Pass [Member] | Residential Mortgage [Member] |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Loans and Leases Receivable, Gross, Carrying Amount | 252,997 | 97,814 |
Residential Portfolio [Member] | Special Mention [Member] | Residential Mortgage [Member] |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Loans and Leases Receivable, Gross, Carrying Amount | 148 | 157 |
Residential Portfolio [Member] | Substandard [Member] | Residential Mortgage [Member] |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Loans and Leases Receivable, Gross, Carrying Amount | 2,241 | 1,062 |
Consumer Portfolio [Member] | Consumer [Member] |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Loans and Leases Receivable, Gross, Carrying Amount | 10,579 | 3,868 | $ 4,170
Consumer Portfolio [Member] | Pass [Member] | Consumer [Member] |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Loans and Leases Receivable, Gross, Carrying Amount | $ 10,579 | $ 3,868 |

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