Loans And Allowance For Loan Losses (Summary Of Troubled Debt Restructures) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014 contract	Sep. 30, 2013 contract	Sep. 30, 2014 contract	Sep. 30, 2013 contract
Financing Receivable, Modifications [Line Items]
Number of Loans	1	1	1	4
Pre-Modification Outstanding Recorded Investment	$ 100		$ 100
Post-Modification Outstanding Recorded Investment	99	166	99	247
Commercial And Industrial [Member]
Financing Receivable, Modifications [Line Items]
Number of Loans		0		1
Pre-Modification Outstanding Recorded Investment				50
Post-Modification Outstanding Recorded Investment				47
Commercial Loans [Member]
Financing Receivable, Modifications [Line Items]
Number of Loans	1	0	1	1
Pre-Modification Outstanding Recorded Investment	100		100	50
Post-Modification Outstanding Recorded Investment	99		99	47
Agriculture And Other Loans To Farmers [Member]
Financing Receivable, Modifications [Line Items]
Number of Loans	1		1
Pre-Modification Outstanding Recorded Investment	100		100
Post-Modification Outstanding Recorded Investment	99		99
Residential Real Estate Mortgages [Member]
Financing Receivable, Modifications [Line Items]
Number of Loans		1		1
Pre-Modification Outstanding Recorded Investment		166		166
Post-Modification Outstanding Recorded Investment		166		166
Home Equity Loans [Member]
Financing Receivable, Modifications [Line Items]
Number of Loans		0		1
Pre-Modification Outstanding Recorded Investment				16
Post-Modification Outstanding Recorded Investment				21
Other Consumer Loans [Member]
Financing Receivable, Modifications [Line Items]
Number of Loans		0		1
Pre-Modification Outstanding Recorded Investment				14
Post-Modification Outstanding Recorded Investment				13
Consumer Loans [Member]
Financing Receivable, Modifications [Line Items]
Number of Loans		1		3
Pre-Modification Outstanding Recorded Investment		166		196
Post-Modification Outstanding Recorded Investment		166		200
Extended maturity and adjusted interest rate [Member]
Financing Receivable, Modifications [Line Items]
Post-Modification Outstanding Recorded Investment	99		99	81
Court ordered concession [Member]
Financing Receivable, Modifications [Line Items]
Post-Modification Outstanding Recorded Investment		$ 166		$ 166