Loans And The Allowance For Credit Losses (Schedule Of Allowance For Loan Losses According To Portfolio Segment) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022	Dec. 31, 2022
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for credit losses: Provision (Credit)	$ 506	$ 1,328	$ (264)	$ 1,816
Unaccreted yield adjustments	(769)		(769)		$ (552)
Total Real Estate Loans [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for credit losses: Beginning balance	21,368	18,819	19,438	18,438
Allowance for credit losses: Charge-offs	(51)	(1,560)	(156)	(1,713)
Allowance for credit losses: Recoveries	23	43	93	89
Allowance for credit losses: Provision (Credit)	506	1,328	(264)	1,816
Allowance for credit losses: Ending balance	21,846	18,630	21,846	18,630
Allowance for credit losses: Individually evaluated for impairment	181		181		356
Allowance for credit losses: Collectively evaluated for impairment	21,665		21,665		19,082
Allowance for credit losses: Total	21,846	18,630	21,846	18,630	19,438
Loans: Loans acquired with deteriorated credit quality					687
Loans: Individually evaluated for impairment	31,036		31,036		25,810
Loans: Collectively evaluated for impairment	1,674,133		1,674,133		1,646,424
Total	1,705,169		1,705,169		1,672,921
Commercial And Industrial [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Total	222,841		222,841		250,069
Commercial And Industrial [Member] | Total Real Estate Loans [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for credit losses: Beginning balance	4,973	3,714	4,980	3,309
Allowance for credit losses: Charge-offs	(4)	(1,515)	(4)	(1,546)
Allowance for credit losses: Recoveries	6	40	59	76
Allowance for credit losses: Provision (Credit)	61	1,805	(323)	2,205
Allowance for credit losses: Ending balance	5,036	4,044	5,036	4,044
Allowance for credit losses: Collectively evaluated for impairment	5,036		5,036		4,980
Allowance for credit losses: Total	5,036	4,044	5,036	4,044	4,980
Loans: Individually evaluated for impairment	1,914		1,914		2,697
Loans: Collectively evaluated for impairment	220,927		220,927		247,372
Total	222,841		222,841		250,069
Commercial Real Estate Mortgages [Member] | Total Real Estate Loans [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for credit losses: Beginning balance	12,633	12,305	11,595	12,367
Allowance for credit losses: Charge-offs
Allowance for credit losses: Recoveries
Allowance for credit losses: Provision (Credit)	280	(603)	173	(665)
Allowance for credit losses: Ending balance	12,913	11,702	12,913	11,702
Allowance for credit losses: Individually evaluated for impairment	179		179		251
Allowance for credit losses: Collectively evaluated for impairment	12,734		12,734		11,344
Allowance for credit losses: Total	12,913	11,702	12,913	11,702	11,595
Loans: Individually evaluated for impairment	23,557		23,557		18,144
Loans: Collectively evaluated for impairment	932,966		932,966		877,973
Total	956,523		956,523		896,117
Consumer And Other Loans [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for credit losses: Charge-offs			(126)
Total	555		555		572
Consumer And Other Loans [Member] | Total Real Estate Loans [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for credit losses: Beginning balance	7	70	153	54
Allowance for credit losses: Charge-offs	(47)	(45)	(126)	(112)
Allowance for credit losses: Recoveries	5	3	23	13
Allowance for credit losses: Provision (Credit)	42	13	104	86
Allowance for credit losses: Ending balance	7	41	7	41
Allowance for credit losses: Collectively evaluated for impairment	7		7		153
Allowance for credit losses: Total	7	41	7	41	153
Loans: Collectively evaluated for impairment	555		555		572
Total	555		555		572
Residential Mortgages [Member] | Total Real Estate Loans [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for credit losses: Beginning balance	3,465	2,164	2,102	2,127
Allowance for credit losses: Charge-offs			(1)	(55)
Allowance for credit losses: Recoveries	7		6
Allowance for credit losses: Provision (Credit)	102	47	(151)	139
Allowance for credit losses: Ending balance	3,574	2,211	3,574	2,211
Allowance for credit losses: Individually evaluated for impairment	2		2		28
Allowance for credit losses: Collectively evaluated for impairment	3,572		3,572		2,074
Allowance for credit losses: Total	3,574	2,211	3,574	2,211	2,102
Loans: Loans acquired with deteriorated credit quality					687
Loans: Individually evaluated for impairment	4,844		4,844		4,020
Loans: Collectively evaluated for impairment	438,924		438,924		439,042
Total	443,768		443,768		443,749
Home Equities [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for credit losses: Beginning balance				581
Allowance for credit losses: Charge-offs			(25)
Allowance for credit losses: Provision (Credit)				51
Allowance for credit losses: Ending balance		632		632
Allowance for credit losses: Total		632		632
Home Equities [Member] | Total Real Estate Loans [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for credit losses: Beginning balance	290	566	608
Allowance for credit losses: Charge-offs			(25)
Allowance for credit losses: Recoveries	5		5
Allowance for credit losses: Provision (Credit)	21	66	(67)
Allowance for credit losses: Ending balance	316	632	316	632
Allowance for credit losses: Individually evaluated for impairment					77
Allowance for credit losses: Collectively evaluated for impairment	316		316		531
Allowance for credit losses: Total	316	$ 632	316	$ 632	608
Loans: Individually evaluated for impairment	721		721		949
Loans: Collectively evaluated for impairment	80,761		80,761		81,465
Total	$ 81,482		81,482		82,414
Cumulative Effect, Period of Adoption, Adjustment [Member] | Total Real Estate Loans [Member] | ASU 2016-13 [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for credit losses: Beginning balance			2,735
Allowance for credit losses: Total					2,735
Cumulative Effect, Period of Adoption, Adjustment [Member] | Commercial And Industrial [Member] | Total Real Estate Loans [Member] | ASU 2016-13 [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for credit losses: Beginning balance			324
Allowance for credit losses: Total					324
Cumulative Effect, Period of Adoption, Adjustment [Member] | Commercial Real Estate Mortgages [Member] | Total Real Estate Loans [Member] | ASU 2016-13 [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for credit losses: Beginning balance			1,145
Allowance for credit losses: Total					1,145
Cumulative Effect, Period of Adoption, Adjustment [Member] | Consumer And Other Loans [Member] | Total Real Estate Loans [Member] | ASU 2016-13 [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for credit losses: Beginning balance			(147)
Allowance for credit losses: Total					(147)
Cumulative Effect, Period of Adoption, Adjustment [Member] | Residential Mortgages [Member] | Total Real Estate Loans [Member] | ASU 2016-13 [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for credit losses: Beginning balance			1,618
Allowance for credit losses: Total					1,618
Cumulative Effect, Period of Adoption, Adjustment [Member] | Home Equities [Member] | Total Real Estate Loans [Member] | ASU 2016-13 [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for credit losses: Beginning balance			(205)
Allowance for credit losses: Total					(205)
Cumulative Effect, Period of Adoption, Adjusted Balance [Member] | Total Real Estate Loans [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for credit losses: Beginning balance			22,173
Allowance for credit losses: Total					22,173
Cumulative Effect, Period of Adoption, Adjusted Balance [Member] | Commercial And Industrial [Member] | Total Real Estate Loans [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for credit losses: Beginning balance			5,304
Allowance for credit losses: Total					5,304
Cumulative Effect, Period of Adoption, Adjusted Balance [Member] | Commercial Real Estate Mortgages [Member] | Total Real Estate Loans [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for credit losses: Beginning balance			12,740
Allowance for credit losses: Total					12,740
Cumulative Effect, Period of Adoption, Adjusted Balance [Member] | Consumer And Other Loans [Member] | Total Real Estate Loans [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for credit losses: Beginning balance			6
Allowance for credit losses: Total					6
Cumulative Effect, Period of Adoption, Adjusted Balance [Member] | Residential Mortgages [Member] | Total Real Estate Loans [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for credit losses: Beginning balance			3,720
Allowance for credit losses: Total					3,720
Cumulative Effect, Period of Adoption, Adjusted Balance [Member] | Home Equities [Member] | Total Real Estate Loans [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for credit losses: Beginning balance			$ 403
Allowance for credit losses: Total					$ 403