Allowance For Non-Covered Loan Loss And Credit Quality (Schedule Of Troubled Debt Restructurings) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2011	Dec. 31, 2010
Financing receivables modified as troubled debt restructurings	$ 11,549	$ 7,158
Mortgage [Member] | Residential [Member]
Financing receivables modified as troubled debt restructurings		944
Home Equity Loans & Lines [Member] | Residential [Member]
Financing receivables modified as troubled debt restructurings
Residential Development [Member] | Commercial Real Estate [Member]
Financing receivables modified as troubled debt restructurings	1,767
Consumer & Other [Member]
Financing receivables modified as troubled debt restructurings
Construction & Development [Member] | Commercial Real Estate [Member]
Financing receivables modified as troubled debt restructurings
Term & Multifamily [Member] | Commercial Real Estate [Member]
Financing receivables modified as troubled debt restructurings	9,642	5,553
Term [Member] | Commercial [Member]
Financing receivables modified as troubled debt restructurings	$ 140	$ 661