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, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020	Dec. 31, 2020
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for loan and lease losses, Beginning balance	$ 14,716	$ 11,067	$ 13,382	$ 9,515
Charge-offs	(1,057)	(8)	(1,961)	(78)
Recoveries	149	11	237	33
Provisions (credits)	425	1,100	2,575	2,700
Allowance for Loan Losses, Ending balance	14,233	12,170	14,233	12,170
Allowance for loan losses: Ending balance: individually evaluated for impairment	198	182	198	182	$ 807
Allowance for loan losses: Ending balance: collectively evaluated for impairment	14,035	11,988	14,035	11,988	12,575
Loans receivables, Ending balance	2,370,429	2,521,827	2,370,429	2,521,827	2,384,041
Loans receivables: Ending balance: individually evaluated for impairment	5,153	11,598	5,153	11,598	13,768
Loans Receivable: Ending balance: collectively evaluated for impairment	2,363,648	2,508,461	2,363,648	2,508,461	2,368,531
Financial Asset Acquired with Credit Deterioration [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans receivables, Ending balance	1,628	1,768	1,628	1,768	1,742
Home Equity [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for loan and lease losses, Beginning balance	588	517	507	442
Recoveries				1
Provisions (credits)	15	14	96	88
Allowance for Loan Losses, Ending balance	603	531	603	531
Allowance for loan losses: Ending balance: collectively evaluated for impairment	603	531	603	531	507
Loans receivables, Ending balance	78,012	70,400	78,012	70,400	74,224
Loans receivables: Ending balance: individually evaluated for impairment	2,420	2,386	2,420	2,386	2,365
Loans Receivable: Ending balance: collectively evaluated for impairment	75,592	68,014	75,592	68,014	71,859
Commercial Portfolio [Member] \| Commercial and Industrial [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for loan and lease losses, Beginning balance	3,165	2,786	3,066	2,341
Charge-offs			(859)	(45)
Recoveries	1		2	2
Provisions (credits)	204	138	1,161	626
Allowance for Loan Losses, Ending balance	3,370	2,924	3,370	2,924
Allowance for loan losses: Ending balance: individually evaluated for impairment	69	41	69	41	533
Allowance for loan losses: Ending balance: collectively evaluated for impairment	3,301	2,883	3,301	2,883	2,533
Loans receivables, Ending balance	632,680	968,875	632,680	968,875	752,354
Loans receivables: Ending balance: individually evaluated for impairment	221	912	221	912	1,452
Loans Receivable: Ending balance: collectively evaluated for impairment	632,459	967,963	632,459	967,963	750,902
Commercial Portfolio [Member] \| Commercial Real Estate [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for loan and lease losses, Beginning balance	9,977	7,241	8,655	6,259
Charge-offs	(1,043)		(1,043)
Recoveries	140		206	1
Provisions (credits)	(112)	529	1,144	1,510
Allowance for Loan Losses, Ending balance	8,962	7,770	8,962	7,770
Allowance for loan losses: Ending balance: individually evaluated for impairment	129	141	129	141	274
Allowance for loan losses: Ending balance: collectively evaluated for impairment	8,833	7,629	8,833	7,629	8,381
Loans receivables, Ending balance	1,141,345	1,021,418	1,141,345	1,021,418	1,099,656
Loans receivables: Ending balance: individually evaluated for impairment	1,214	7,434	1,214	7,434	9,102
Loans Receivable: Ending balance: collectively evaluated for impairment	1,138,776	1,012,558	1,138,776	1,012,558	1,089,135
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	1,355	1,426	1,355	1,426	1,419
Commercial Portfolio [Member] \| Commercial Real Estate - Construction [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for loan and lease losses, Beginning balance	130	65	134	51
Charge-offs			(23)	(7)
Recoveries				2
Provisions (credits)	3	(4)	22	15
Allowance for Loan Losses, Ending balance	133	61	133	61
Allowance for loan losses: Ending balance: collectively evaluated for impairment	133	61	133	61	134
Loans receivables, Ending balance	314,457	238,208	314,457	238,208	248,913
Loans receivables: Ending balance: individually evaluated for impairment	22	32	22	32	31
Loans Receivable: Ending balance: collectively evaluated for impairment	314,435	238,176	314,435	238,176	248,882
Residential Portfolio [Member] \| Residential Mortgage [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for loan and lease losses, Beginning balance	499	427	429	417
Charge-offs	(3)	(4)	(13)	(4)
Recoveries	2		13	3
Provisions (credits)	(8)	47	61	54
Allowance for Loan Losses, Ending balance	490	470	490	470
Allowance for loan losses: Ending balance: collectively evaluated for impairment	490	470	490	470	429
Loans receivables, Ending balance	195,636	215,589	195,636	215,589	201,841
Loans receivables: Ending balance: individually evaluated for impairment	1,276	834	1,276	834	818
Loans Receivable: Ending balance: collectively evaluated for impairment	194,087	214,413	194,087	214,413	200,700
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	273	342	273	342	323
Consumer Portfolio [Member] \| Consumer [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for loan and lease losses, Beginning balance	2	2	1	2
Charge-offs	(11)	(4)	(23)	(22)
Recoveries	6	11	16	24
Provisions (credits)	5	(7)	8	(2)
Allowance for Loan Losses, Ending balance	2	2	2	2
Allowance for loan losses: Ending balance: collectively evaluated for impairment	2	2	2	2	1
Loans receivables, Ending balance	8,299	7,337	8,299	7,337	7,053
Loans Receivable: Ending balance: collectively evaluated for impairment	8,299	7,337	8,299	7,337	7,053
Unallocated [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for loan and lease losses, Beginning balance	355	29	590	3
Provisions (credits)	318	383	83	409
Allowance for Loan Losses, Ending balance	673	412	673	412
Allowance for loan losses: Ending balance: collectively evaluated for impairment	$ 673	$ 412	$ 673	$ 412	$ 590

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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