Loans And Allowance For Loan Losses (Outstanding Balance Of Loans Classified As Troubled Debt Restructurings) (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2012
Loans And Allowance For Loan Losses [Line Items]
Restructured loans	$ 103,401
Balance 90 days past due at any time during previous 12 months	13,703
Commercial [Member] | Business [Member]
Loans And Allowance For Loan Losses [Line Items]
Restructured loans	33,687
Balance 90 days past due at any time during previous 12 months	0
Commercial [Member] | Real Estate - Construction And Land [Member]
Loans And Allowance For Loan Losses [Line Items]
Restructured loans	35,649
Balance 90 days past due at any time during previous 12 months	10,140
Commercial [Member] | Real Estate - Business [Member]
Loans And Allowance For Loan Losses [Line Items]
Restructured loans	13,221
Balance 90 days past due at any time during previous 12 months	1,765
Personal Banking [Member] | Real Estate - Personal [Member]
Loans And Allowance For Loan Losses [Line Items]
Restructured loans	2,852
Balance 90 days past due at any time during previous 12 months	553
Personal Banking [Member] | Consumer Credit Card [Member]
Loans And Allowance For Loan Losses [Line Items]
Restructured loans	16,491
Balance 90 days past due at any time during previous 12 months	1,126
Personal Banking [Member] | Revolving Home Equity [Member]
Loans And Allowance For Loan Losses [Line Items]
Restructured loans	73
Balance 90 days past due at any time during previous 12 months	0
Personal Banking [Member] | Consumer [Member]
Loans And Allowance For Loan Losses [Line Items]
Restructured loans	1,428
Balance 90 days past due at any time during previous 12 months	$ 119