Loans (Summary Of Loan Risk Ratings By Loan Class) (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012	Mar. 31, 2012
Financing Receivable, Recorded Investment [Line Items]
Total Loans	$ 759,614	$ 737,134	$ 703,459
Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	723,992	689,330
Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	11,394	20,610
Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	12,064	18,852
Nonaccrual [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	12,164	8,342
Commercial Related Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	627,449	607,480	574,579
Commercial Related Loans [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	593,190	561,185
Commercial Related Loans [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	11,011	20,168
Commercial Related Loans [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	11,700	18,281
Commercial Related Loans [Member] | Nonaccrual [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	11,548	7,846
Builder & Developer [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	97,195	96,936	99,697
Builder & Developer [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	84,364	79,101
Builder & Developer [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	4,629	6,567
Builder & Developer [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	7,817	11,013
Builder & Developer [Member] | Nonaccrual [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	385	255
Commercial Real Estate Investor [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	124,917	122,714	119,461
Commercial Real Estate Investor [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	115,368	107,415
Commercial Real Estate Investor [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	3,837	9,563
Commercial Real Estate Investor [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	2,295	2,459
Commercial Real Estate Investor [Member] | Nonaccrual [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	3,417	3,277
Residential Real Estate Investor [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	66,725	66,419	61,621
Residential Real Estate Investor [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	63,740	62,327
Residential Real Estate Investor [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	171	1,361
Residential Real Estate Investor [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	85	2,044
Residential Real Estate Investor [Member] | Nonaccrual [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	2,729	687
Hotel/Motel [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	68,903	64,948	59,462
Hotel/Motel [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	68,903	64,948
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	0	0
Wholesale & Retail [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	69,905	70,443	58,513
Wholesale & Retail [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	65,909	66,155
Wholesale & Retail [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	1,348	1,521
Wholesale & Retail [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	0	983
Wholesale & Retail [Member] | Nonaccrual [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	2,648	1,784
Manufacturing [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	37,923	40,258	26,327
Manufacturing [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	37,235	39,559
Manufacturing [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	0	0
Manufacturing [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	688	699
Manufacturing [Member] | Nonaccrual [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	0	0
Agriculture [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	27,935	20,928	19,069
Agriculture [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	27,466	20,457
Agriculture [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	0	0
Agriculture [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	469	471
Agriculture [Member] | Nonaccrual [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	0	0
Other Commercial [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	133,946	124,834	130,429
Other Commercial [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	130,205	121,223
Other Commercial [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	1,026	1,156
Other Commercial [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	346	612
Other Commercial [Member] | Nonaccrual [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	2,369	1,843
Consumer Related Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	132,165	129,654	128,880
Consumer Related Loans [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	130,802	128,145
Consumer Related Loans [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	383	442
Consumer Related Loans [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	364	571
Consumer Related Loans [Member] | Nonaccrual [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	616	496
Residential Mortgage [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	23,538	23,511	22,650
Residential Mortgage [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	23,450	23,421
Residential Mortgage [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	5	5
Residential Mortgage [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	31	32
Residential Mortgage [Member] | Nonaccrual [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	52	53
Home Equity [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	68,864	65,858	58,682
Home Equity [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	68,468	65,406
Home Equity [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	117	112
Home Equity [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	188	188
Home Equity [Member] | Nonaccrual [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	91	152
Other Consumer [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	39,763	40,285	47,548
Other Consumer [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	38,884	39,318
Other Consumer [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	261	325
Other Consumer [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	145	351
Other Consumer [Member] | Nonaccrual [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	$ 473	$ 291