Loan Quality and Allowance for Loan Losses (Aging Of Payments Of The Loan Portfolio) (Details) - USD ($) $ in Thousands	Sep. 30, 2019	Dec. 31, 2018
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current	$ 929,306	$ 965,036
Loans Past Due and Still Accruing	3,147	6,039
Non-accrual loans	4,762	2,300
Total Loans	937,215	973,375
30 - 59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans Past Due and Still Accruing	1,162	1,907
60 - 89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans Past Due and Still Accruing	1,824	3,775
90 Days+ Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans Past Due and Still Accruing	161	357
Residential Real Estate [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current	192,138	195,223
Loans Past Due and Still Accruing	1,154	794
Non-accrual loans	17	103
Total Loans	193,309	196,120
Residential Real Estate [Member] | 30 - 59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans Past Due and Still Accruing	683	453
Residential Real Estate [Member] | 60 - 89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans Past Due and Still Accruing	320	202
Residential Real Estate [Member] | 90 Days+ Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans Past Due and Still Accruing	151	139
Residential Real Estate [Member] | First Liens [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current	146,397	148,183
Loans Past Due and Still Accruing	936	637
Non-accrual loans		80
Total Loans	147,333	148,900
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	557	322
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	278	202
Residential Real Estate [Member] | First Liens [Member] | 90 Days+ Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans Past Due and Still Accruing	101	113
Residential Real Estate [Member] | Junior Liens & Lines Of Credit [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current	45,741	47,040
Loans Past Due and Still Accruing	218	157
Non-accrual loans	17	23
Total Loans	45,976	47,220
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	126	131
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	42
Residential Real Estate [Member] | Junior Liens & Lines Of Credit [Member] | 90 Days+ Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans Past Due and Still Accruing	50	26
Residential Real Estate - Construction [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current	12,273	9,572
Loans Past Due and Still Accruing		198
Non-accrual loans	525	455
Total Loans	12,798	10,225
Residential Real Estate - Construction [Member] | 60 - 89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans Past Due and Still Accruing		198
Commercial Real Estate [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current	482,107	481,774
Loans Past Due and Still Accruing	1,606	4,779
Non-accrual loans	4,094	1,427
Total Loans	487,807	487,980
Commercial Real Estate [Member] | 30 - 59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans Past Due and Still Accruing	197	1,343
Commercial Real Estate [Member] | 60 - 89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans Past Due and Still Accruing	1,409	3,323
Commercial Real Estate [Member] | 90 Days+ Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans Past Due and Still Accruing		113
Commercial [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current	236,542	273,534
Loans Past Due and Still Accruing	324	205
Non-accrual loans	126	315
Total Loans	236,992	274,054
Commercial [Member] | 30 - 59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans Past Due and Still Accruing	236	65
Commercial [Member] | 60 - 89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans Past Due and Still Accruing	88	40
Commercial [Member] | 90 Days+ Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans Past Due and Still Accruing		100
Consumer [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current	6,246	4,933
Loans Past Due and Still Accruing	63	63
Total Loans	6,309	4,996
Consumer [Member] | 30 - 59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans Past Due and Still Accruing	46	46
Consumer [Member] | 60 - 89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans Past Due and Still Accruing	7	12
Consumer [Member] | 90 Days+ Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans Past Due and Still Accruing	$ 10	$ 5