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Loans and Allowance for Loan and Lease Losses (Loan Portfolio Summarized By The Past Due Status) (Details) - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	$ 9,651	$ 10,749
Financing Receivable, Recorded Investment, Current	1,614,416	899,655
Total Loans	1,624,067	910,404	$ 813,924
Financial Asset Acquired with Credit Deterioration [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Loans	2,803	861	1,231
Financing Receivables, 30 to 59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	1,457	5,306
Financing Receivables, 60 to 89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	89	612
Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	8,105	4,831
Home Equity [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due		402
Financing Receivable, Recorded Investment, Current		41,491
Total Loans	70,096	41,893	37,608
Home Equity [Member] | Excluded Acquired with Credit Deterioration [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	213
Financing Receivable, Recorded Investment, Current	69,879
Total Loans	70,092
Home Equity [Member] | Financial Asset Acquired with Credit Deterioration [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	4
Total Loans	4
Home Equity [Member] | Financing Receivables, 30 to 59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due		54
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]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due		98
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	22
Home Equity [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due		250
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] | Financial Asset Acquired with Credit Deterioration [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	28
Total Loans	28
Commercial Portfolio [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] | 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 Receivable, Recorded Investment, Past Due [Line Items]
Past Due		4,455
Financing Receivable, Recorded Investment, Current		183,578
Total Loans	286,518	188,033	172,518
Commercial Portfolio [Member] | Commercial and Industrial [Member] | Excluded Acquired with Credit Deterioration [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	4,544
Financing Receivable, Recorded Investment, Current	281,946
Total Loans	286,490
Commercial Portfolio [Member] | Commercial and Industrial [Member] | Financial Asset Acquired with Credit Deterioration [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Loans	28
Commercial Portfolio [Member] | Commercial and Industrial [Member] | Financing Receivables, 30 to 59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due		4,439
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	17
Commercial Portfolio [Member] | Commercial and Industrial [Member] | Financing Receivables, 60 to 89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due		16
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 Real Estate [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Loans	861,369	515,012	446,524
Commercial Portfolio [Member] | Commercial Real Estate [Member] | Excluded Acquired with Credit Deterioration [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	1,143	3,669
Financing Receivable, Recorded Investment, Current	858,663	510,788
Total Loans	859,806	514,457
Commercial Portfolio [Member] | Commercial Real Estate [Member] | Financial Asset Acquired with Credit Deterioration [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	1,563	555
Total Loans	1,563	555	842
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	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	500
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	458	3,669
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	1,534	55
Commercial Portfolio [Member] | Commercial Real Estate - Construction [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	367	487
Financing Receivable, Recorded Investment, Current	141,806	61,849
Total Loans	142,173	62,336	54,376
Commercial Portfolio [Member] | Commercial Real Estate - Construction [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	367	487
Commercial Portfolio [Member] | Lease Financing [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable, Recorded Investment, Current	53	229
Total Loans	53	229	425
Residential Portfolio [Member] | Residential Mortgage [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Loans	253,543	99,033	99,457
Residential Portfolio [Member] | Residential Mortgage [Member] | Excluded Acquired with Credit Deterioration [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	738	954
Financing Receivable, Recorded Investment, Current	251,597	97,773
Total Loans	252,335	98,727
Residential Portfolio [Member] | Residential Mortgage [Member] | Financial Asset Acquired with Credit Deterioration [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	989	224
Financing Receivable, Recorded Investment, Current	219	82
Total Loans	1,208	306	389
Residential Portfolio [Member] | Financing Receivables, 30 to 59 Days Past Due [Member] | Residential Mortgage [Member] | Excluded Acquired with Credit Deterioration [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	461	310
Residential Portfolio [Member] | Financing Receivables, 30 to 59 Days Past Due [Member] | Residential Mortgage [Member] | Financial Asset Acquired with Credit Deterioration [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	19
Residential Portfolio [Member] | Financing Receivables, 60 to 89 Days Past Due [Member] | Residential Mortgage [Member] | Excluded Acquired with Credit Deterioration [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due		467
Residential Portfolio [Member] | Financing Receivables, 60 to 89 Days Past Due [Member] | Residential Mortgage [Member] | Financial Asset Acquired with Credit Deterioration [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	57	31
Residential Portfolio [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Residential Mortgage [Member] | Excluded Acquired with Credit Deterioration [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	277	177
Residential Portfolio [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Residential Mortgage [Member] | Financial Asset Acquired with Credit Deterioration [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	913	193
Consumer Portfolio [Member] | Consumer [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	62	3
Financing Receivable, Recorded Investment, Current	10,253	3,865
Total Loans	10,315	3,868	$ 3,016
Consumer Portfolio [Member] | Financing Receivables, 30 to 59 Days Past Due [Member] | Consumer [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	57	$ 3
Consumer Portfolio [Member] | Financing Receivables, 60 to 89 Days Past Due [Member] | Consumer [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	$ 5

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