Allowance for Non-Covered Loan Loss and Credit Quality (Schedule Of Troubled Debt Restructurings Modified With Payment Default) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Financing Receivable, Modifications [Line Items]
Financing Receivable Modifications Subsequent Default During The Period	$ 0	$ 243
Term & Multifamily [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable Modifications Subsequent Default During The Period	0	217
Construction & Development [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable Modifications Subsequent Default During The Period	0	0
Residential Development [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable Modifications Subsequent Default During The Period	0	0
Term [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable Modifications Subsequent Default During The Period	0	0
LOC & Other [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable Modifications Subsequent Default During The Period	0	26
Mortgage [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable Modifications Subsequent Default During The Period	0	0
Home Equity Loans & Lines [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable Modifications Subsequent Default During The Period	0	0
Consumer & Other [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable Modifications Subsequent Default During The Period	$ 0	$ 0