Loan Quality And Allowance For Loan Losses (Aging Of Payments Of The Loan Portfolio) (Details) - USD ($) $ in Thousands	Mar. 31, 2017	Dec. 31, 2016
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current	$ 895,571	$ 885,023
Loans Past Due and Still Accruing	2,695	4,074
Non-accrual loans	5,263	4,776
Total Loans	903,529	893,873
30 - 59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans Past Due and Still Accruing	914	2,470
60 - 89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans Past Due and Still Accruing	1,781	939
90 Days+ Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans Past Due and Still Accruing		665
Residential Real Estate [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current	215,139	216,720
Loans Past Due and Still Accruing	537	1,746
Non-accrual loans	281	317
Total Loans	215,957	218,783
Residential Real Estate [Member] | 30 - 59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans Past Due and Still Accruing	473	1,332
Residential Real Estate [Member] | 60 - 89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans Past Due and Still Accruing	64	414
Residential Real Estate [Member] | First Liens [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current	165,959	166,689
Loans Past Due and Still Accruing	409	1,650
Non-accrual loans	196	231
Total Loans	166,564	168,570
Residential Real Estate [Member] | First Liens [Member] | 30 - 59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans Past Due and Still Accruing	375	1,236
Residential Real Estate [Member] | First Liens [Member] | 60 - 89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans Past Due and Still Accruing	34	414
Residential Real Estate [Member] | Junior Liens & Lines Of Credit [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current	49,180	50,031
Loans Past Due and Still Accruing	128	96
Non-accrual loans	85	86
Total Loans	49,393	50,213
Residential Real Estate [Member] | Junior Liens & Lines Of Credit [Member] | 30 - 59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans Past Due and Still Accruing	98	96
Residential Real Estate [Member] | Junior Liens & Lines Of Credit [Member] | 60 - 89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans Past Due and Still Accruing	30
Residential Real Estate - Construction [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current	10,460	8,495
Non-accrual loans	478	480
Total Loans	10,938	8,975
Commercial Real Estate [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current	390,943	384,658
Loans Past Due and Still Accruing	1,897	1,970
Non-accrual loans	4,481	3,956
Total Loans	397,321	390,584
Commercial Real Estate [Member] | 30 - 59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans Past Due and Still Accruing	378	858
Commercial Real Estate [Member] | 60 - 89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans Past Due and Still Accruing	1,519	447
Commercial Real Estate [Member] | 90 Days+ Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans Past Due and Still Accruing		665
Commercial [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current	274,454	270,478
Loans Past Due and Still Accruing	245	325
Non-accrual loans	23	23
Total Loans	274,722	270,826
Commercial [Member] | 30 - 59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans Past Due and Still Accruing	55	250
Commercial [Member] | 60 - 89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans Past Due and Still Accruing	190	75
Consumer [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current	4,575	4,672
Loans Past Due and Still Accruing	16	33
Total Loans	4,591	4,705
Consumer [Member] | 30 - 59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans Past Due and Still Accruing	8	30
Consumer [Member] | 60 - 89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans Past Due and Still Accruing	$ 8	$ 3