Loans and Allowance for Loan and Lease Losses (Allowance And Recorded Investment In Financing Receivables) (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018	Dec. 31, 2018
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for loan and lease losses, Beginning balance	$ 8,771	$ 8,189	$ 8,397	$ 7,606
Charge-offs	(66)	(67)	(370)	(418)
Recoveries	46	7	134	816
Provisions	565	100	1,155	225
Allowance for Loan Losses, Ending balance	9,316	8,229	9,316	8,229
Allowance for loan losses: Ending balance: individually evaluated for impairment	336	770	336	770	$ 742
Allowance for loan losses: Ending balance: collectively evaluated for impairment	8,980	7,459	8,980	7,459	7,655
Loans receivables, Ending balance	1,710,434	1,567,286	1,710,434	1,567,286	1,624,067
Loans receivables: Ending balance: individually evaluated for impairment	3,271	8,641	3,271	8,641	8,463
Loans Receivable: Ending balance: collectively evaluated for impairment	1,705,017	1,555,893	1,705,017	1,555,893	1,612,801
Financial Asset Acquired with Credit Deterioration [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans receivables, Ending balance	2,146	2,752	2,146	2,752	2,803
Home Equity [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for loan and lease losses, Beginning balance	482	420	528	423
Charge-offs				(167)
Recoveries	1		2
Provisions	13	16	(34)	180
Allowance for Loan Losses, Ending balance	496	436	496	436
Allowance for loan losses: Ending balance: collectively evaluated for impairment	496	436	496	436	528
Loans receivables, Ending balance	69,240	73,849	69,240	73,849	70,096
Loans receivables: Ending balance: individually evaluated for impairment	26	25	26	25	30
Loans Receivable: Ending balance: collectively evaluated for impairment	69,210	73,820	69,210	73,820	70,062
Home Equity [Member] \| Financial Asset Acquired with Credit Deterioration [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans receivables, Ending balance	4	4	4	4	4
Commercial Portfolio [Member] \| Commercial and Industrial [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for loan and lease losses, Beginning balance	2,448	2,120	2,391	1,795
Charge-offs	(12)	(12)	(217)	(142)
Recoveries	1		44	1
Provisions	6	232	225	686
Allowance for Loan Losses, Ending balance	2,443	2,340	2,443	2,340
Allowance for loan losses: Ending balance: individually evaluated for impairment		489		489	500
Allowance for loan losses: Ending balance: collectively evaluated for impairment	2,443	1,851	2,443	1,851	1,891
Loans receivables, Ending balance	320,400	269,150	320,400	269,150	286,518
Loans receivables: Ending balance: individually evaluated for impairment		4,527		4,527	4,527
Loans Receivable: Ending balance: collectively evaluated for impairment	320,395	264,595	320,395	264,595	281,963
Commercial Portfolio [Member] \| Commercial and Industrial [Member] \| Financial Asset Acquired with Credit Deterioration [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans receivables, Ending balance	5	28	5	28	28
Commercial Portfolio [Member] \| Commercial Real Estate [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for loan and lease losses, Beginning balance	5,312	4,723	4,703	4,435
Charge-offs	(42)	(34)	(53)	(34)
Recoveries	41	2	74	807
Provisions	544	130	1,131	(387)
Allowance for Loan Losses, Ending balance	5,855	4,821	5,855	4,821
Allowance for loan losses: Ending balance: individually evaluated for impairment	336	243	336	243	204
Allowance for loan losses: Ending balance: collectively evaluated for impairment	5,519	4,578	5,519	4,578	4,499
Loans receivables, Ending balance	892,060	812,822	892,060	812,822	861,369
Loans receivables: Ending balance: individually evaluated for impairment	2,324	2,890	2,324	2,890	2,728
Loans Receivable: Ending balance: collectively evaluated for impairment	888,093	808,476	888,093	808,476	857,078
Commercial Portfolio [Member] \| Commercial Real Estate [Member] \| Financial Asset Acquired with Credit Deterioration [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans receivables, Ending balance	1,643	1,456	1,643	1,456	1,563
Commercial Portfolio [Member] \| Commercial Real Estate - Construction [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for loan and lease losses, Beginning balance	45	146	75	178
Charge-offs			(40)	(40)
Provisions	1	(12)	11	(4)
Allowance for Loan Losses, Ending balance	46	134	46	134
Allowance for loan losses: Ending balance: individually evaluated for impairment		38		38	38
Allowance for loan losses: Ending balance: collectively evaluated for impairment	46	96	46	96	37
Loans receivables, Ending balance	177,151	145,368	177,151	145,368	142,173
Loans receivables: Ending balance: individually evaluated for impairment	40	367	40	367	367
Loans Receivable: Ending balance: collectively evaluated for impairment	177,111	145,001	177,111	145,001	141,806
Commercial Portfolio [Member] \| Lease Financing [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans receivables, Ending balance		132		132	53
Loans Receivable: Ending balance: collectively evaluated for impairment		132		132	53
Residential Portfolio [Member] \| Residential Mortgage [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for loan and lease losses, Beginning balance	476	441	453	428
Charge-offs	(3)	(10)	(3)	(14)
Recoveries	2		2
Provisions	(7)	38	16	55
Allowance for Loan Losses, Ending balance	468	469	468	469
Allowance for loan losses: Ending balance: collectively evaluated for impairment	468	469	468	469	453
Loans receivables, Ending balance	243,729	255,386	243,729	255,386	253,543
Loans receivables: Ending balance: individually evaluated for impairment	881	832	881	832	811
Loans Receivable: Ending balance: collectively evaluated for impairment	242,354	253,290	242,354	253,290	251,524
Residential Portfolio [Member] \| Financial Asset Acquired with Credit Deterioration [Member] \| Residential Mortgage [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans receivables, Ending balance	494	1,264	494	1,264	1,208
Consumer Portfolio [Member] \| Consumer [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for loan and lease losses, Beginning balance	7	4	7	3
Charge-offs	(9)	(11)	(57)	(21)
Recoveries	1	5	12	8
Provisions	6	7	43	15
Allowance for Loan Losses, Ending balance	5	5	5	5
Allowance for loan losses: Ending balance: collectively evaluated for impairment	5	5	5	5	7
Loans receivables, Ending balance	7,854	10,579	7,854	10,579	10,315
Loans Receivable: Ending balance: collectively evaluated for impairment	7,854	10,579	7,854	10,579	10,315
Unallocated [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for loan and lease losses, Beginning balance	1	335	240	344
Provisions	2	(311)	(237)	(320)
Allowance for Loan Losses, Ending balance	3	24	3	24
Allowance for loan losses: Ending balance: collectively evaluated for impairment	$ 3	$ 24	$ 3	$ 24	$ 240

Amount of allowance for credit loss on financing receivable. Excludes allowance for financing receivable covered under loss sharing agreement.

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Amount before allowance of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Includes deferred interest and fees, undisbursed portion of loan balance, unamortized costs and premiums and discounts from face amounts. Excludes loans and leases covered under loss sharing agreements.

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