Loans And Allowance For Loan Losses (Summary Of Loans In The Personal Banking Portfolio Percentage Of Balances Outstanding ) (Details)	Dec. 31, 2013	Dec. 31, 2012
Real Estate - Personal [Member]
Loans And Allowance For Loan Losses [Line Items]
Percentage of Loan Category	100.00%	100.00%
Real Estate - Personal [Member] | Under 600 [Member]
Loans And Allowance For Loan Losses [Line Items]
Percentage of Loan Category	1.70%	2.30%
Real Estate - Personal [Member] | 600 - 659 [Member]
Loans And Allowance For Loan Losses [Line Items]
Percentage of Loan Category	3.30%	3.20%
Real Estate - Personal [Member] | 660 - 719 [Member]
Loans And Allowance For Loan Losses [Line Items]
Percentage of Loan Category	10.30%	10.40%
Real Estate - Personal [Member] | 720 - 780 [Member]
Loans And Allowance For Loan Losses [Line Items]
Percentage of Loan Category	25.80%	26.60%
Real Estate - Personal [Member] | Over 780 [Member]
Loans And Allowance For Loan Losses [Line Items]
Percentage of Loan Category	58.90%	57.50%
Consumer [Member]
Loans And Allowance For Loan Losses [Line Items]
Percentage of Loan Category	100.00%	100.00%
Consumer [Member] | Under 600 [Member]
Loans And Allowance For Loan Losses [Line Items]
Percentage of Loan Category	5.40%	6.70%
Consumer [Member] | 600 - 659 [Member]
Loans And Allowance For Loan Losses [Line Items]
Percentage of Loan Category	10.10%	11.30%
Consumer [Member] | 660 - 719 [Member]
Loans And Allowance For Loan Losses [Line Items]
Percentage of Loan Category	23.40%	24.40%
Consumer [Member] | 720 - 780 [Member]
Loans And Allowance For Loan Losses [Line Items]
Percentage of Loan Category	28.30%	26.40%
Consumer [Member] | Over 780 [Member]
Loans And Allowance For Loan Losses [Line Items]
Percentage of Loan Category	32.80%	31.20%
Revolving Home Equity [Member]
Loans And Allowance For Loan Losses [Line Items]
Percentage of Loan Category	100.00%	100.00%
Revolving Home Equity [Member] | Under 600 [Member]
Loans And Allowance For Loan Losses [Line Items]
Percentage of Loan Category	2.10%	2.60%
Revolving Home Equity [Member] | 600 - 659 [Member]
Loans And Allowance For Loan Losses [Line Items]
Percentage of Loan Category	7.30%	5.30%
Revolving Home Equity [Member] | 660 - 719 [Member]
Loans And Allowance For Loan Losses [Line Items]
Percentage of Loan Category	15.00%	15.20%
Revolving Home Equity [Member] | 720 - 780 [Member]
Loans And Allowance For Loan Losses [Line Items]
Percentage of Loan Category	28.50%	30.00%
Revolving Home Equity [Member] | Over 780 [Member]
Loans And Allowance For Loan Losses [Line Items]
Percentage of Loan Category	47.10%	46.90%
Consumer Credit Card [Member]
Loans And Allowance For Loan Losses [Line Items]
Percentage of Loan Category	100.00%	100.00%
Consumer Credit Card [Member] | Under 600 [Member]
Loans And Allowance For Loan Losses [Line Items]
Percentage of Loan Category	4.10%	4.40%
Consumer Credit Card [Member] | 600 - 659 [Member]
Loans And Allowance For Loan Losses [Line Items]
Percentage of Loan Category	11.70%	11.70%
Consumer Credit Card [Member] | 660 - 719 [Member]
Loans And Allowance For Loan Losses [Line Items]
Percentage of Loan Category	32.90%	32.10%
Consumer Credit Card [Member] | 720 - 780 [Member]
Loans And Allowance For Loan Losses [Line Items]
Percentage of Loan Category	27.90%	28.20%
Consumer Credit Card [Member] | Over 780 [Member]
Loans And Allowance For Loan Losses [Line Items]
Percentage of Loan Category	23.40%	23.60%