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, 2019	Dec. 31, 2018	Jun. 30, 2018
Financing Receivable, Recorded Investment [Line Items]
Loans and leases receivable, gross, carrying amount	$ 1,688,173	$ 1,624,067	$ 1,036,479
Home Equity [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and leases receivable, gross, carrying amount	70,442	70,096	47,815
Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and leases receivable, gross, carrying amount	1,661,318	1,600,169
Pass [Member] | Home Equity [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and leases receivable, gross, carrying amount	70,373	70,004
Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and leases receivable, gross, carrying amount	5,661	5,348
Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and leases receivable, gross, carrying amount	21,194	18,550
Substandard [Member] | Home Equity [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and leases receivable, gross, carrying amount	69	92
Commercial Portfolio [Member] | Commercial and Industrial [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and leases receivable, gross, carrying amount	301,271	286,518	204,724
Commercial Portfolio [Member] | Commercial Real Estate [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and leases receivable, gross, carrying amount	883,317	861,369	575,956
Commercial Portfolio [Member] | Commercial Real Estate - Construction [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and leases receivable, gross, carrying amount	173,900	142,173	82,690
Commercial Portfolio [Member] | Lease Financing [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and leases receivable, gross, carrying amount		53	153
Commercial Portfolio [Member] | Pass [Member] | Commercial and Industrial [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and leases receivable, gross, carrying amount	288,672	276,690
Commercial Portfolio [Member] | Pass [Member] | Commercial Real Estate [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and leases receivable, gross, carrying amount	871,633	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	173,860	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	2,845	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	2,672	2,432
Commercial Portfolio [Member] | Substandard [Member] | Commercial and Industrial [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and leases receivable, gross, carrying amount	9,754	7,059
Commercial Portfolio [Member] | Substandard [Member] | Commercial Real Estate [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and leases receivable, gross, carrying amount	9,012	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	249,114	253,543	120,260
Residential Portfolio [Member] | Pass [Member] | Residential Mortgage [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and leases receivable, gross, carrying amount	246,651	251,151
Residential Portfolio [Member] | Special Mention [Member] | Residential Mortgage [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and leases receivable, gross, carrying amount	144	147
Residential Portfolio [Member] | Substandard [Member] | Residential Mortgage [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and leases receivable, gross, carrying amount	2,319	2,245
Consumer Portfolio [Member] | Consumer [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and leases receivable, gross, carrying amount	10,129	10,315	$ 4,881
Consumer Portfolio [Member] | Pass [Member] | Consumer [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans and leases receivable, gross, carrying amount	$ 10,129	$ 10,315