Loans and Allowance for Loan and Lease Losses (Loan Portfolio Summarized By The Past Due Status) (Details) - USD ($) $ in Thousands	Sep. 30, 2019	Dec. 31, 2018	Sep. 30, 2018
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	$ 4,613	$ 9,651
Financing Receivable, Recorded Investment, Current	1,705,821	1,614,416
Total Loans	1,710,434	1,624,067	$ 1,567,286
Financial Asset Acquired with Credit Deterioration [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Loans	2,146	2,803	2,752
Financing Receivables, 30 to 59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	566	1,457
Financing Receivables, 60 to 89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	122	89
Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	3,925	8,105
Home Equity [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Loans	69,240	70,096	73,849
Home Equity [Member] | Excluded Acquired with Credit Deterioration [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	18	213
Financing Receivable, Recorded Investment, Current	69,218	69,879
Total Loans	69,236	70,092
Home Equity [Member] | Financial Asset Acquired with Credit Deterioration [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due		4
Financing Receivable, Recorded Investment, Current	4
Total Loans	4	4	4
Home Equity [Member] | Financing Receivables, 30 to 59 Days Past Due [Member] | Excluded Acquired with Credit Deterioration [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due		166
Home Equity [Member] | Financing Receivables, 60 to 89 Days Past Due [Member] | Excluded Acquired with Credit Deterioration [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	18	22
Home Equity [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Excluded Acquired with Credit Deterioration [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due		25
Home Equity [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Financial Asset Acquired with Credit Deterioration [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due		4
Commercial Portfolio [Member] | Commercial and Industrial [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Loans	320,400	286,518	269,150
Commercial Portfolio [Member] | Commercial and Industrial [Member] | Excluded Acquired with Credit Deterioration [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	301	4,544
Financing Receivable, Recorded Investment, Current	320,094	281,946
Total Loans	320,395	286,490
Commercial Portfolio [Member] | Commercial and Industrial [Member] | Financial Asset Acquired with Credit Deterioration [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	5	28
Total Loans	5	28	28
Commercial Portfolio [Member] | Commercial and Industrial [Member] | Financing Receivables, 30 to 59 Days Past Due [Member] | Excluded Acquired with Credit Deterioration [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	301	17
Commercial Portfolio [Member] | Commercial and Industrial [Member] | Financing Receivables, 30 to 59 Days Past Due [Member] | Financial Asset Acquired with Credit Deterioration [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due		23
Commercial Portfolio [Member] | Commercial and Industrial [Member] | Financing Receivables, 60 to 89 Days Past Due [Member] | Financial Asset Acquired with Credit Deterioration [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due		5
Commercial Portfolio [Member] | Commercial and Industrial [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Excluded Acquired with Credit Deterioration [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due		4,527
Commercial Portfolio [Member] | Commercial and Industrial [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Financial Asset Acquired with Credit Deterioration [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	5
Commercial Portfolio [Member] | Commercial Real Estate [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Loans	892,060	861,369	812,822
Commercial Portfolio [Member] | Commercial Real Estate [Member] | Excluded Acquired with Credit Deterioration [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	1,975	1,143
Financing Receivable, Recorded Investment, Current	888,442	858,663
Total Loans	890,417	859,806
Commercial Portfolio [Member] | Commercial Real Estate [Member] | Financial Asset Acquired with Credit Deterioration [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	1,612	1,563
Financing Receivable, Recorded Investment, Current	31
Total Loans	1,643	1,563	1,456
Commercial Portfolio [Member] | Commercial Real Estate [Member] | Financing Receivables, 30 to 59 Days Past Due [Member] | Excluded Acquired with Credit Deterioration [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	230	685
Commercial Portfolio [Member] | Commercial Real Estate [Member] | Financing Receivables, 30 to 59 Days Past Due [Member] | Financial Asset Acquired with Credit Deterioration [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due		29
Commercial Portfolio [Member] | Commercial Real Estate [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Excluded Acquired with Credit Deterioration [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	1,745	458
Commercial Portfolio [Member] | Commercial Real Estate [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Financial Asset Acquired with Credit Deterioration [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	1,612	1,534
Commercial Portfolio [Member] | Commercial Real Estate - Construction [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Loans	177,151	142,173	145,368
Commercial Portfolio [Member] | Commercial Real Estate - Construction [Member] | Excluded Acquired with Credit Deterioration [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	40	367
Financing Receivable, Recorded Investment, Current	177,111	141,806
Total Loans	177,151	142,173
Commercial Portfolio [Member] | Commercial Real Estate - Construction [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Excluded Acquired with Credit Deterioration [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	40	367
Commercial Portfolio [Member] | Lease Financing [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Loans		53	132
Commercial Portfolio [Member] | Lease Financing [Member] | Excluded Acquired with Credit Deterioration [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable, Recorded Investment, Current		53
Total Loans		53
Consumer Portfolio [Member] | Consumer [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Loans	7,854	10,315	10,579
Consumer Portfolio [Member] | Consumer [Member] | Excluded Acquired with Credit Deterioration [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due		62
Financing Receivable, Recorded Investment, Current	7,854	10,253
Total Loans	7,854	10,315
Consumer Portfolio [Member] | Consumer [Member] | Financing Receivables, 30 to 59 Days Past Due [Member] | Excluded Acquired with Credit Deterioration [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due		57
Consumer Portfolio [Member] | Consumer [Member] | Financing Receivables, 60 to 89 Days Past Due [Member] | Excluded Acquired with Credit Deterioration [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due		5
Residential Portfolio [Member] | Residential Mortgage [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Loans	243,729	253,543	255,386
Residential Portfolio [Member] | Residential Mortgage [Member] | Excluded Acquired with Credit Deterioration [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	487	738
Financing Receivable, Recorded Investment, Current	242,748	251,597
Total Loans	243,235	252,335
Residential Portfolio [Member] | Residential Mortgage [Member] | Financial Asset Acquired with Credit Deterioration [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	175	989
Financing Receivable, Recorded Investment, Current	319	219
Total Loans	494	1,208	$ 1,264
Residential Portfolio [Member] | Residential Mortgage [Member] | Financing Receivables, 30 to 59 Days Past Due [Member] | Excluded Acquired with Credit Deterioration [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	35	461
Residential Portfolio [Member] | Residential Mortgage [Member] | Financing Receivables, 30 to 59 Days Past Due [Member] | Financial Asset Acquired with Credit Deterioration [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due		19
Residential Portfolio [Member] | Residential Mortgage [Member] | Financing Receivables, 60 to 89 Days Past Due [Member] | Excluded Acquired with Credit Deterioration [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	87
Residential Portfolio [Member] | Residential Mortgage [Member] | Financing Receivables, 60 to 89 Days Past Due [Member] | Financial Asset Acquired with Credit Deterioration [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	17	57
Residential Portfolio [Member] | Residential Mortgage [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Excluded Acquired with Credit Deterioration [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	365	277
Residential Portfolio [Member] | Residential Mortgage [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Financial Asset Acquired with Credit Deterioration [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	$ 158	$ 913