Troubled Debt Restructurings (Schedule Of Troubled Debt Restructurings Sebsequently Defaulted) (Details) (USD $)	3 Months Ended
	Mar. 31, 2014 loan	Mar. 31, 2013 loan
Financing Receivable, Modifications [Line Items]
# of Loans
Recorded Investment
Commercial [Member]
Financing Receivable, Modifications [Line Items]
# of Loans
Recorded Investment
Agriculture [Member]
Financing Receivable, Modifications [Line Items]
# of Loans
Recorded Investment
Consumer Installment Loans [Member]
Financing Receivable, Modifications [Line Items]
# of Loans
Recorded Investment
All Other Loans [Member]
Financing Receivable, Modifications [Line Items]
# of Loans
Recorded Investment
Real Estate [Member]
Financing Receivable, Modifications [Line Items]
# of Loans
Recorded Investment
Real Estate [Member] | Commercial [Member]
Financing Receivable, Modifications [Line Items]
# of Loans
Recorded Investment
Real Estate [Member] | Construction And Land Development [Member]
Financing Receivable, Modifications [Line Items]
# of Loans
Recorded Investment
Real Estate [Member] | Residential 1-4 Family [Member]
Financing Receivable, Modifications [Line Items]
# of Loans
Recorded Investment
Real Estate [Member] | Multifamily [Member]
Financing Receivable, Modifications [Line Items]
# of Loans
Recorded Investment
Real Estate [Member] | Farmland [Member]
Financing Receivable, Modifications [Line Items]
# of Loans
Recorded Investment