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

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The balance of financing receivables that were collectively evaluated for impairment.

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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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Loans And Credit Quality (Allocation Of Allowance For Loan Losses And Related Loan Portfolio) (Details) - USD ($) $ in Thousands	Sep. 30, 2021	Jun. 30, 2021	Dec. 31, 2020	Sep. 30, 2020	Jun. 30, 2020	Dec. 31, 2019
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for Loan Losses, Ending Balance	$ 11,308	$ 11,160	$ 10,570	$ 9,718	$ 9,017	$ 8,022
Allowance for Loan Losses, Ending balance: individually evaluated for impairment	140		169
Allowance for Loan Losses, Ending balance: collectively evaluated for impairment	11,168		10,401
Total Loan Receivables	1,118,213		1,089,618
Loans receivables, Ending balance: individually evaluated for impairment	3,971		3,640
Loans receivables, Ending balance: collectively evaluated for impairment	1,114,242		1,085,978
Commercial real estate [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for Loan Losses, Ending Balance	4,492	4,542	4,379	4,317	3,574	3,221
Allowance for Loan Losses, Ending balance: individually evaluated for impairment	3		21
Allowance for Loan Losses, Ending balance: collectively evaluated for impairment	4,489		4,358
Total Loan Receivables	453,597		452,251
Loans receivables, Ending balance: individually evaluated for impairment	1,499		1,547
Loans receivables, Ending balance: collectively evaluated for impairment	452,098		450,704
Commercial [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for Loan Losses, Ending Balance	1,288	1,345	848	795	762	770
Allowance for Loan Losses, Ending balance: individually evaluated for impairment	19		23
Allowance for Loan Losses, Ending balance: collectively evaluated for impairment	1,269		825
Total Loan Receivables	43,263		48,114
Loans receivables, Ending balance: individually evaluated for impairment	225		230
Loans receivables, Ending balance: collectively evaluated for impairment	43,038		47,884
Commercial [Member] \| Construction [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for Loan Losses, Ending Balance	87	116	150	138	113	121
Allowance for Loan Losses, Ending balance: collectively evaluated for impairment	87		150
Total Loan Receivables	8,211		12,176
Loans receivables, Ending balance: individually evaluated for impairment	312		315
Loans receivables, Ending balance: collectively evaluated for impairment	7,899		11,861
Residential real estate [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for Loan Losses, Ending Balance	4,673	4,587	4,485	3,802	3,618	3,488
Allowance for Loan Losses, Ending balance: individually evaluated for impairment	118		125
Allowance for Loan Losses, Ending balance: collectively evaluated for impairment	4,555		4,360
Total Loan Receivables	612,335		576,437
Loans receivables, Ending balance: individually evaluated for impairment	1,935		1,548
Loans receivables, Ending balance: collectively evaluated for impairment	610,400		574,889
Consumer [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for Loan Losses, Ending Balance	25	25	14	15	16	19
Allowance for Loan Losses, Ending balance: collectively evaluated for impairment	25		14
Total Loan Receivables	807		640
Loans receivables, Ending balance: collectively evaluated for impairment	807		640
Unallocated [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for Loan Losses, Ending Balance	743	$ 545	694	$ 651	$ 934	$ 403
Allowance for Loan Losses, Ending balance: collectively evaluated for impairment	$ 743		$ 694