Loan Quality and Allowance for Loan Losses (Aging Of Payments Of The Loan Portfolio) (Details) - USD ($) $ in Thousands	Jun. 30, 2019	Dec. 31, 2018
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current	$ 973,770	$ 965,036
Loans Past Due and Still Accruing	3,375	6,039
Non-accrual loans	5,312	2,300
Total Loans	982,457	973,375
30 - 59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans Past Due and Still Accruing	1,388	1,907
60 - 89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans Past Due and Still Accruing	1,627	3,775
90 Days+ Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans Past Due and Still Accruing	360	357
Residential Real Estate [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current	190,711	195,223
Loans Past Due and Still Accruing	1,086	794
Non-accrual loans	106	103
Total Loans	191,903	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	597	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	461	202
Residential Real Estate [Member] | 90 Days+ Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans Past Due and Still Accruing	28	139
Residential Real Estate [Member] | First Liens [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current	145,271	148,183
Loans Past Due and Still Accruing	920	637
Non-accrual loans	80	80
Total Loans	146,271	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	476	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	416	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	28	113
Residential Real Estate [Member] | Junior Liens & Lines Of Credit [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current	45,440	47,040
Loans Past Due and Still Accruing	166	157
Non-accrual loans	26	23
Total Loans	45,632	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	121	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	45
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		26
Residential Real Estate - Construction [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current	13,441	9,572
Loans Past Due and Still Accruing		198
Non-accrual loans	647	455
Total Loans	14,088	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	499,291	481,774
Loans Past Due and Still Accruing	1,948	4,779
Non-accrual loans	4,414	1,427
Total Loans	505,653	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	634	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	982	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	332	113
Commercial [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current	264,409	273,534
Loans Past Due and Still Accruing	308	205
Non-accrual loans	145	315
Total Loans	264,862	274,054
Commercial [Member] | 30 - 59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans Past Due and Still Accruing	128	65
Commercial [Member] | 60 - 89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans Past Due and Still Accruing	180	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	5,918	4,933
Loans Past Due and Still Accruing	33	63
Total Loans	5,951	4,996
Consumer [Member] | 30 - 59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans Past Due and Still Accruing	29	46
Consumer [Member] | 60 - 89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans Past Due and Still Accruing	$ 4	12
Consumer [Member] | 90 Days+ Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans Past Due and Still Accruing		$ 5