Allowance For Loan Losses (Summary Of Allowance Amount Required For Loans Individually Evaluated For Impairment And The Amount Required For Loans Collectively Evaluated For Impairment) (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2013	Jun. 30, 2013	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Dec. 31, 2011
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for loan losses, Individually evaluated for impairment	$ 870		$ 1,162	$ 1,165
Allowance for loan losses, Collectively evaluated for impairment	8,579		8,140	7,622
Allowance for loan losses, Balance	9,449	9,459	9,302	8,787	8,690	8,702
Loans, Individually evaluated for impairment	23,938		28,674	31,997
Loans, Collectively evaluated for impairment	789,723		708,460	700,641
Total loans	813,661		737,134	732,638
Commercial Related Loans [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for loan losses, Individually evaluated for impairment	870		1,162	1,165
Allowance for loan losses, Collectively evaluated for impairment	5,874		6,870	6,926
Allowance for loan losses, Balance	6,744	7,936	8,032	8,091	7,378	8,120
Loans, Individually evaluated for impairment	22,815		27,607	31,112
Loans, Collectively evaluated for impairment	651,389		579,873	573,277
Total loans	674,204		607,480	604,389
Builder & Developer [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for loan losses, Individually evaluated for impairment	0		147	147
Allowance for loan losses, Collectively evaluated for impairment	1,176		1,424	1,437
Allowance for loan losses, Balance	1,176	1,576	1,571	1,584	1,680	2,170
Loans, Individually evaluated for impairment	9,020		12,467	13,526
Loans, Collectively evaluated for impairment	94,092		84,469	85,660
Total loans	103,112		96,936	99,186
Commercial Real Estate Investor [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for loan losses, Individually evaluated for impairment	0		0	0
Allowance for loan losses, Collectively evaluated for impairment	1,401		1,259	1,317
Allowance for loan losses, Balance	1,401	1,213	1,259	1,317	1,239	2,003
Loans, Individually evaluated for impairment	6,673		5,736	5,755
Loans, Collectively evaluated for impairment	129,808		116,978	122,313
Total loans	136,481		122,714	128,068
Residential Real Estate Investor [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for loan losses, Individually evaluated for impairment	650		700	550
Allowance for loan losses, Collectively evaluated for impairment	711		495	475
Allowance for loan losses, Balance	1,361	1,181	1,195	1,025	900	505
Loans, Individually evaluated for impairment	2,510		2,731	2,510
Loans, Collectively evaluated for impairment	70,482		63,688	61,068
Total loans	72,992		66,419	63,578
Hotel/Motel [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for loan losses, Individually evaluated for impairment	0		0	0
Allowance for loan losses, Collectively evaluated for impairment	492		485	449
Allowance for loan losses, Balance	492	505	485	449	449	394
Loans, Individually evaluated for impairment	0		0	0
Loans, Collectively evaluated for impairment	65,940		64,948	60,187
Total loans	65,940		64,948	60,187
Wholesale & Retail [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for loan losses, Individually evaluated for impairment	0		0	150
Allowance for loan losses, Collectively evaluated for impairment	642		1,913	1,979
Allowance for loan losses, Balance	642	1,856	1,913	2,129	1,690	1,806
Loans, Individually evaluated for impairment	1,616		3,048	3,052
Loans, Collectively evaluated for impairment	72,863		67,395	65,099
Total loans	74,479		70,443	68,151
Manufacturing [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for loan losses, Individually evaluated for impairment	0		0	0
Allowance for loan losses, Collectively evaluated for impairment	201		237	222
Allowance for loan losses, Balance	201	201	237	222	164	151
Loans, Individually evaluated for impairment	676		699	705
Loans, Collectively evaluated for impairment	33,474		39,559	37,015
Total loans	34,150		40,258	37,720
Agriculture [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for loan losses, Individually evaluated for impairment	100		100	100
Allowance for loan losses, Collectively evaluated for impairment	174		102	91
Allowance for loan losses, Balance	274	253	202	191	194	184
Loans, Individually evaluated for impairment	458		471	478
Loans, Collectively evaluated for impairment	34,852		20,457	18,196
Total loans	35,310		20,928	18,674
Other Commercial [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for loan losses, Individually evaluated for impairment	120		215	218
Allowance for loan losses, Collectively evaluated for impairment	1,077		955	956
Allowance for loan losses, Balance	1,197	1,151	1,170	1,174	1,062	907
Loans, Individually evaluated for impairment	1,862		2,455	5,086
Loans, Collectively evaluated for impairment	149,878		122,379	123,739
Total loans	151,740		124,834	128,825
Consumer Related Loan [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for loan losses, Individually evaluated for impairment	0		0	0
Allowance for loan losses, Collectively evaluated for impairment	613		599	533
Allowance for loan losses, Balance	613	589	599	533	367	345
Loans, Individually evaluated for impairment	1,123		1,067	885
Loans, Collectively evaluated for impairment	138,334		128,587	127,364
Total loans	139,457		129,654	128,249
Residential Mortgage [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for loan losses, Individually evaluated for impairment	0		0	0
Allowance for loan losses, Collectively evaluated for impairment	69		124	135
Allowance for loan losses, Balance	69	77	124	135	78	88
Loans, Individually evaluated for impairment	151		85	86
Loans, Collectively evaluated for impairment	24,974		23,426	21,875
Total loans	25,125		23,511	21,961
Home Equity [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for loan losses, Individually evaluated for impairment	0		0	0
Allowance for loan losses, Collectively evaluated for impairment	237		237	188
Allowance for loan losses, Balance	237	236	237	188	152	86
Loans, Individually evaluated for impairment	387		340	314
Loans, Collectively evaluated for impairment	74,693		65,518	63,284
Total loans	75,080		65,858	63,598
Consumer Related Loans [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for loan losses, Individually evaluated for impairment	0		0	0
Allowance for loan losses, Collectively evaluated for impairment	307		238	210
Allowance for loan losses, Balance	307	276	238	210	137	171
Loans, Individually evaluated for impairment	585		642	485
Loans, Collectively evaluated for impairment	38,667		39,643	42,205
Total loans	39,252		40,285	42,690
Unallocated [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for loan losses, Individually evaluated for impairment	0		0	0
Allowance for loan losses, Collectively evaluated for impairment	2,092		671	163
Allowance for loan losses, Balance	$ 2,092	$ 934	$ 671	$ 163	$ 945	$ 237