Loans And Allowance For Loan Losses (Schedule Of Impaired Loans) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013	Dec. 31, 2013
Financing Receivable, Impaired [Line Items]
Impaired loans, with no related allowance, Recorded Investment	$ 3,837		$ 3,837		$ 3,209
Impaired loans, with no related allowance, Unpaid Principal Balance	6,016		6,016		3,473
Impaired loans, with related allowance, Recorded Investment	519		519		2,849
Impaired loans, with related allowance, Unpaid Principal Balance	519		519		4,774
Impaired loans, Related Allowance	305		305		270
Impaired Financing Receivable, Recorded Investment	4,356		4,356		6,058
Impaired Financing Receivable, Unpaid Principal Balance	6,535		6,535		8,247
Impaired loans, with no related allowance, Average Recorded Investment	4,245	3,647	4,707	3,892
Impaired loans, with no related allowance, Interest Recorded	16	19	59	55
Impaired loans, with related allowance, Average Recorded Investment	633	1,965	901	2,075
Impaired loans, with related allowance, Interest Recorded
Impaired loans, Average Recorded Investment, Total	4,878	5,612	5,608	5,967
Impaired loans, Interest Recorded, Total	16	19	59	55
Commercial Real Estate Mortgages [Member]
Financing Receivable, Impaired [Line Items]
Impaired loans, with no related allowance, Recorded Investment	1,560		1,560		1,949
Impaired loans, with no related allowance, Unpaid Principal Balance	1,634		1,634		2,103
Impaired loans, with related allowance, Recorded Investment	229		229		854
Impaired loans, with related allowance, Unpaid Principal Balance	229		229		854
Impaired loans, Related Allowance	68		68		100
Impaired loans, with no related allowance, Average Recorded Investment	1,763	2,441	1,877	2,465
Impaired loans, with no related allowance, Interest Recorded	11	17	43	49
Impaired loans, with related allowance, Average Recorded Investment	229		498
Impaired loans, with related allowance, Interest Recorded
Commercial And Industrial [Member]
Financing Receivable, Impaired [Line Items]
Impaired loans, with no related allowance, Recorded Investment	326		326		660
Impaired loans, with no related allowance, Unpaid Principal Balance	506		506		770
Impaired loans, with related allowance, Recorded Investment	290		290		150
Impaired loans, with related allowance, Unpaid Principal Balance	290		290		150
Impaired loans, Related Allowance	237		237		150
Impaired loans, with no related allowance, Average Recorded Investment	512	596	663	703
Impaired loans, with no related allowance, Interest Recorded	1	2	3	4
Impaired loans, with related allowance, Average Recorded Investment	404		403
Impaired loans, with related allowance, Interest Recorded
Commercial Construction And Land Development [Member]
Financing Receivable, Impaired [Line Items]
Impaired loans, with no related allowance, Recorded Investment	1,328		1,328		68
Impaired loans, with no related allowance, Unpaid Principal Balance	3,253		3,253		68
Impaired loans, with related allowance, Recorded Investment					1,845
Impaired loans, with related allowance, Unpaid Principal Balance					3,770
Impaired loans, Related Allowance					20
Impaired loans, with no related allowance, Average Recorded Investment	1,328		1,576
Impaired loans, with no related allowance, Interest Recorded
Impaired loans, with related allowance, Average Recorded Investment		1,965		2,075
Impaired loans, with related allowance, Interest Recorded
Agriculture And Other Loans To Farmers [Member]
Financing Receivable, Impaired [Line Items]
Impaired loans, with no related allowance, Recorded Investment	155		155		56
Impaired loans, with no related allowance, Unpaid Principal Balance	155		155		56
Impaired loans, with no related allowance, Average Recorded Investment	143	119	89	340
Impaired loans, with no related allowance, Interest Recorded			2
Impaired loans, with related allowance, Interest Recorded
Residential Real Estate Loans [Member]
Financing Receivable, Impaired [Line Items]
Impaired loans, with no related allowance, Recorded Investment	438		438		442
Impaired loans, with no related allowance, Unpaid Principal Balance	438		438		442
Impaired loans, with no related allowance, Average Recorded Investment	468	457	470	350
Impaired loans, with no related allowance, Interest Recorded	3		10
Impaired loans, with related allowance, Interest Recorded
Home Equity Loans [Member]
Financing Receivable, Impaired [Line Items]
Impaired loans, with no related allowance, Recorded Investment	19		19		21
Impaired loans, with no related allowance, Unpaid Principal Balance	19		19		21
Impaired loans, with no related allowance, Average Recorded Investment	20	21	20	20
Impaired loans, with no related allowance, Interest Recorded	1		1	1
Impaired loans, with related allowance, Interest Recorded
Other Consumer Loans [Member]
Financing Receivable, Impaired [Line Items]
Impaired loans, with no related allowance, Recorded Investment	11		11		13
Impaired loans, with no related allowance, Unpaid Principal Balance	11		11		13
Impaired loans, with no related allowance, Average Recorded Investment	11	13	12	14
Impaired loans, with no related allowance, Interest Recorded				1
Impaired loans, with related allowance, Interest Recorded