Loans (Summary Of Loan Risk Ratings By Loan Class) (Details) - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015	Mar. 31, 2015
Financing Receivable, Recorded Investment [Line Items]
Total Loans	$ 1,150,147	$ 1,123,211	$ 1,020,792
Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	1,108,126	1,081,400
Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	26,978	26,162
Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	12,246	12,416
Nonaccrual [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	2,797	3,233
Builder & Developer [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	141,923	133,978	126,637
Builder & Developer [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	131,096	122,919
Builder & Developer [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	6,888	6,775
Builder & Developer [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	3,847	3,873
Builder & Developer [Member] | Nonaccrual [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	92	411
Commercial Real Estate Investor [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	210,016	191,994	161,635
Commercial Real Estate Investor [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	203,806	185,621
Commercial Real Estate Investor [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	388	396
Commercial Real Estate Investor [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	5,822	5,957
Commercial Real Estate Investor [Member] | Nonaccrual [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	0	20
Residential Real Estate Investor [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	158,813	161,144	111,497
Residential Real Estate Investor [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	150,934	153,072
Residential Real Estate Investor [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	6,605	6,601
Residential Real Estate Investor [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	863	874
Residential Real Estate Investor [Member] | Nonaccrual [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	411	597
Hotel/Motel [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	83,589	84,171	81,441
Hotel/Motel [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	83,178	83,751
Hotel/Motel [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	0	0
Hotel/Motel [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	0	0
Hotel/Motel [Member] | Nonaccrual [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	411	420
Wholesale & Retail [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	77,645	77,694	77,455
Wholesale & Retail [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	69,121	69,973
Wholesale & Retail [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	8,496	7,678
Wholesale & Retail [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	0	0
Wholesale & Retail [Member] | Nonaccrual [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	28	43
Manufacturing [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	32,988	30,325	33,095
Manufacturing [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	29,586	26,705
Manufacturing [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	2,776	2,990
Manufacturing [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	626	630
Manufacturing [Member] | Nonaccrual [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	0	0
Agriculture [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	41,366	41,217	43,849
Agriculture [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	40,627	40,795
Agriculture [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	349	0
Agriculture [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	0	0
Agriculture [Member] | Nonaccrual [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	390	422
Other Commercial [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	218,670	215,891	193,577
Other Commercial [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	215,757	212,971
Other Commercial [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	1,284	1,131
Other Commercial [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	862	855
Other Commercial [Member] | Nonaccrual [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	767	934
Residential Mortgages [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	68,418	70,094	74,665
Residential Mortgages [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	68,121	69,930
Residential Mortgages [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	0	0
Residential Mortgages [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	97	97
Residential Mortgages [Member] | Nonaccrual [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	200	67
Home Equity [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	86,136	86,408	83,629
Home Equity [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	85,711	85,690
Home Equity [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	74	516
Home Equity [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	0	0
Home Equity [Member] | Nonaccrual [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	351	202
Other Consumer [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	30,583	30,295	33,312
Other Consumer [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	30,189	29,973
Other Consumer [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	118	75
Other Consumer [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	129	130
Other Consumer [Member] | Nonaccrual [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	147	117
Total Commercial Related Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	965,010	936,414	829,186
Total Commercial Related Loans [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	924,105	895,807
Total Commercial Related Loans [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	26,786	25,571
Total Commercial Related Loans [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	12,020	12,189
Total Commercial Related Loans [Member] | Nonaccrual [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	2,099	2,847
Total Consumer Related Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	185,137	186,797	$ 191,606
Total Consumer Related Loans [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	184,021	185,593
Total Consumer Related Loans [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	192	591
Total Consumer Related Loans [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	226	227
Total Consumer Related Loans [Member] | Nonaccrual [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	$ 698	$ 386