Allowance For Loan Losses (Impaired Loans By Class) (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended	12 Months Ended
	Sep. 30, 2016	Sep. 30, 2016	Dec. 31, 2015
Unpaid Principal Balance [Abstract]
With no related allowance:	$ 12,078	$ 12,078	$ 8,960
With an allowance recorded:	4,579	4,579	6,039
Total:	16,657	16,657	14,999
Recorded Investment [Abstract]
With no related allowance:	11,687	11,687	8,334
With an allowance recorded:	4,196	4,196	5,692
Total:	15,883	15,883	14,026
Related Allowance	517	517	576
Average Recorded Investment [Abstract]
With no related allowance:		11,850	8,571
With an allowance recorded:		4,269	5,779
Total:	15,970	16,119	14,350
Interest Income Recognized [Abstract]
With no related allowance:		261	183
With an allowance recorded:		133	221
Total:	113	394	404
Commercial - Non Real Estate Commercial And Industrial
Unpaid Principal Balance [Abstract]
With no related allowance:	639	639	747
With an allowance recorded:	596	596	313
Recorded Investment [Abstract]
With no related allowance:	603	603	534
With an allowance recorded:	589	589	313
Related Allowance	7	7	2
Average Recorded Investment [Abstract]
With no related allowance:		635	749
With an allowance recorded:		626	328
Interest Income Recognized [Abstract]
With no related allowance:		30	18
With an allowance recorded:		17	15
Commercial Real Estate Owner Occupied
Unpaid Principal Balance [Abstract]
With no related allowance:	1,502	1,502	2,146
With an allowance recorded:	204	204	207
Recorded Investment [Abstract]
With no related allowance:	1,359	1,359	1,964
With an allowance recorded:	204	204	208
Related Allowance	37	37	39
Average Recorded Investment [Abstract]
With no related allowance:		1,378	1,999
With an allowance recorded:		206	210
Interest Income Recognized [Abstract]
With no related allowance:		11	19
With an allowance recorded:		7	10
Commercial Real Estate Non-Owner Occupied
Unpaid Principal Balance [Abstract]
With no related allowance:	1,200	1,200	1,174
With an allowance recorded:	1,264	1,264	1,291
Recorded Investment [Abstract]
With no related allowance:	1,085	1,085	1,093
With an allowance recorded:	1,268	1,268	1,295
Related Allowance	125	125	102
Average Recorded Investment [Abstract]
With no related allowance:		1,098	1,108
With an allowance recorded:		1,280	1,311
Interest Income Recognized [Abstract]
With no related allowance:		13	15
With an allowance recorded:		48	69
Construction And Farmland Commercial
Unpaid Principal Balance [Abstract]
With no related allowance:	1,338	1,338	337
With an allowance recorded:	0	0	1,081
Recorded Investment [Abstract]
With no related allowance:	1,341	1,341	310
With an allowance recorded:	0	0	1,085
Related Allowance	0	0	10
Average Recorded Investment [Abstract]
With no related allowance:		1,366	325
With an allowance recorded:		0	1,109
Interest Income Recognized [Abstract]
With no related allowance:		57	0
With an allowance recorded:		0	48
Residential Equity Lines
Unpaid Principal Balance [Abstract]
With no related allowance:	0	0	149
With an allowance recorded:	460	460	551
Recorded Investment [Abstract]
With no related allowance:	0	0	145
With an allowance recorded:	120	120	216
Related Allowance	61	61	86
Average Recorded Investment [Abstract]
With no related allowance:		0	145
With an allowance recorded:		123	221
Interest Income Recognized [Abstract]
With no related allowance:		0	5
With an allowance recorded:		0	3
Residential Single Family
Unpaid Principal Balance [Abstract]
With no related allowance:	7,399	7,399	4,407
With an allowance recorded:	2,055	2,055	2,596
Recorded Investment [Abstract]
With no related allowance:	7,299	7,299	4,288
With an allowance recorded:	2,015	2,015	2,575
Related Allowance	287	287	337
Average Recorded Investment [Abstract]
With no related allowance:		7,373	4,245
With an allowance recorded:		2,034	2,600
Interest Income Recognized [Abstract]
With no related allowance:		150	126
With an allowance recorded:		61	76
Commercial
Unpaid Principal Balance [Abstract]
Total:	1,235	1,235	1,060
Recorded Investment [Abstract]
Total:	1,192	1,192	847
Related Allowance	7	7	2
Average Recorded Investment [Abstract]
Total:		1,261	1,077
Interest Income Recognized [Abstract]
Total:		47	33
Commercial Real Estate
Unpaid Principal Balance [Abstract]
Total:	4,170	4,170	4,818
Recorded Investment [Abstract]
Total:	3,916	3,916	4,560
Related Allowance	162	162	141
Average Recorded Investment [Abstract]
Total:		3,962	4,628
Interest Income Recognized [Abstract]
Total:		79	113
Construction and Farmland
Unpaid Principal Balance [Abstract]
Total:	1,338	1,338	1,418
Recorded Investment [Abstract]
Total:	1,341	1,341	1,395
Related Allowance	0	0	10
Average Recorded Investment [Abstract]
Total:		1,366	1,434
Interest Income Recognized [Abstract]
Total:		57	48
Residential Real Estate
Unpaid Principal Balance [Abstract]
Total:	9,914	9,914	7,703
Recorded Investment [Abstract]
Total:	9,434	9,434	7,224
Related Allowance	348	348	423
Average Recorded Investment [Abstract]
Total:		9,530	7,211
Interest Income Recognized [Abstract]
Total:		211	210
All Other Loans
Unpaid Principal Balance [Abstract]
With no related allowance:	0	0	0
With an allowance recorded:	0	0	0
Total:	0	0	0
Recorded Investment [Abstract]
With no related allowance:	0	0	0
With an allowance recorded:	0	0	0
Total:	0	0	0
Related Allowance	$ 0	0	0
Average Recorded Investment [Abstract]
With no related allowance:		0	0
With an allowance recorded:		0	0
Total:		0	0
Interest Income Recognized [Abstract]
With no related allowance:		0	0
With an allowance recorded:		0	0
Total:		$ 0	$ 0