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Loans and Allowance for Loan and Lease Losses (Allowance For Loan Losses And Recorded Investment In Financing Receivables) (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2020	Sep. 30, 2020	Jun. 30, 2020	Mar. 31, 2020	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for loan and lease losses, Beginning balance				$ 9,515				$ 8,397	$ 9,515	$ 8,397	$ 7,606
Charge-offs									(372)	(428)	(528)
Recoveries									39	156	819
Provisions	$ 1,500	$ 1,100	$ 1,050	550	$ 235	$ 565	$ 465	125	4,200	1,390	500
Allowance for Loan Losses, Ending balance	13,382				9,515				13,382	9,515	8,397
Allowance for loan losses: Ending balance: individually evaluated for impairment	807				166				807	166	742
Allowance for loan losses: Ending balance: collectively evaluated for impairment	12,575				9,349				12,575	9,349	7,655
Loans receivables, Ending balance	2,384,041				1,762,756				2,384,041	1,762,756	1,624,067
Loans receivables: Ending balance: individually evaluated for impairment	13,768				10,083				13,768	10,083	8,463
Loans Receivable: Ending balance: collectively evaluated for impairment	2,368,531				1,750,865				2,368,531	1,750,865	1,612,801
Financial Asset Acquired with Credit Deterioration [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans receivables, Ending balance	1,742				1,808				1,742	1,808	2,803
Home Equity [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for loan and lease losses, Beginning balance				442				528	442	528	423
Charge-offs										(18)	(185)
Recoveries									3	5	1
Provisions									62	(73)	289
Allowance for Loan Losses, Ending balance	507				442				507	442	528
Allowance for loan losses: Ending balance: collectively evaluated for impairment	507				442				507	442	528
Loans receivables, Ending balance	74,224				68,271				74,224	68,271	70,096
Loans receivables: Ending balance: individually evaluated for impairment	2,365				25				2,365	25	30
Loans Receivable: Ending balance: collectively evaluated for impairment	71,859				68,245				71,859	68,245	70,062
Home Equity [Member] \| Financial Asset Acquired with Credit Deterioration [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans receivables, Ending balance					1					1	4
Commercial Portfolio [Member] \| Commercial and Industrial [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for loan and lease losses, Beginning balance				2,341				2,391	2,341	2,391	1,795
Charge-offs									(45)	(217)	(142)
Recoveries									3	45	1
Provisions									767	122	737
Allowance for Loan Losses, Ending balance	3,066				2,341				3,066	2,341	2,391
Allowance for loan losses: Ending balance: individually evaluated for impairment	533								533		500
Allowance for loan losses: Ending balance: collectively evaluated for impairment	2,533				2,341				2,533	2,341	1,891
Loans receivables, Ending balance	752,354				339,147				752,354	339,147	286,518
Loans receivables: Ending balance: individually evaluated for impairment	1,452				890				1,452	890	4,527
Loans Receivable: Ending balance: collectively evaluated for impairment	750,902				338,254				750,902	338,254	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					3					3	28
Commercial Portfolio [Member] \| Commercial Real Estate [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for loan and lease losses, Beginning balance				6,259				4,703	6,259	4,703	4,435
Charge-offs									(258)	(60)	(64)
Recoveries									1	82	808
Provisions									2,653	1,534	(476)
Allowance for Loan Losses, Ending balance	8,655				6,259				8,655	6,259	4,703
Allowance for loan losses: Ending balance: individually evaluated for impairment	274				166				274	166	204
Allowance for loan losses: Ending balance: collectively evaluated for impairment	8,381				6,093				8,381	6,093	4,499
Loans receivables, Ending balance	1,099,656				929,138				1,099,656	929,138	861,369
Loans receivables: Ending balance: individually evaluated for impairment	9,102				8,311				9,102	8,311	2,728
Loans Receivable: Ending balance: collectively evaluated for impairment	1,089,135				919,404				1,089,135	919,404	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	1,419				1,423				1,419	1,423	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				51				75	51	75	178
Charge-offs									(7)	(40)	(40)
Recoveries									2
Provisions									88	16	(63)
Allowance for Loan Losses, Ending balance	134				51				134	51	75
Allowance for loan losses: Ending balance: individually evaluated for impairment											38
Allowance for loan losses: Ending balance: collectively evaluated for impairment	134				51				134	51	37
Loans receivables, Ending balance	248,913				181,690				248,913	181,690	142,173
Loans receivables: Ending balance: individually evaluated for impairment	31				40				31	40	367
Loans Receivable: Ending balance: collectively evaluated for impairment	248,882				181,650				248,882	181,650	141,806
Commercial Portfolio [Member] \| Financing Lease
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans receivables, Ending balance											53
Loans Receivable: Ending balance: collectively evaluated for impairment											53
Residential Portfolio [Member] \| Residential Mortgage [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for loan and lease losses, Beginning balance				417				453	417	453	428
Charge-offs									(4)	(29)	(60)
Recoveries									3	9
Provisions									13	(16)	85
Allowance for Loan Losses, Ending balance	429				417				429	417	453
Allowance for loan losses: Ending balance: collectively evaluated for impairment	429				417				429	417	453
Loans receivables, Ending balance	201,841				236,724				201,841	236,724	253,543
Loans receivables: Ending balance: individually evaluated for impairment	818				817				818	817	811
Loans Receivable: Ending balance: collectively evaluated for impairment	200,700				235,526				200,700	235,526	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	323				381				323	381	1,208
Consumer Portfolio [Member] \| Consumer [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for loan and lease losses, Beginning balance				2				7	2	7	3
Charge-offs									(58)	(64)	(37)
Recoveries									27	15	9
Provisions									30	44	32
Allowance for Loan Losses, Ending balance	1				2				1	2	7
Allowance for loan losses: Ending balance: collectively evaluated for impairment	1				2				1	2	7
Loans receivables, Ending balance	7,053				7,786				7,053	7,786	10,315
Loans Receivable: Ending balance: collectively evaluated for impairment	7,053				7,786				7,053	7,786	10,315
Unallocated [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for loan and lease losses, Beginning balance				$ 3				$ 240	3	240	344
Provisions									587	(237)	(104)
Allowance for Loan Losses, Ending balance	590				3				590	3	240
Allowance for loan losses: Ending balance: collectively evaluated for impairment	$ 590				$ 3				$ 590	$ 3	$ 240