Allowance For Non-Covered Loan Loss And Credit Quality (Schedule Of Troubled Debt Restructuring By Concession With Terms Modified) (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2012	Dec. 31, 2011
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Recorded Investment	$ 108,983	$ 124,139
Commercial [Member] | LOC & Other [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Recorded Investment	6,089	6,973
Commercial [Member] | Term [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Recorded Investment	5,516	5,625
Commercial Real Estate [Member] | Residential Development [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Recorded Investment	34,181	45,933
Commercial Real Estate [Member] | Construction & Development [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Recorded Investment	19,911	20,917
Commercial Real Estate [Member] | Term & Multifamily [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Recorded Investment	43,158	44,562
Residential [Member] | Home Equity Loans & Lines [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Recorded Investment	128	129
Residential [Member] | Consumer & Other [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Recorded Investment
Non-Accrual Status [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Recorded Investment	38,734	43,576
Non-Accrual Status [Member] | Commercial [Member] | LOC & Other [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Recorded Investment	6,089	6,973
Non-Accrual Status [Member] | Commercial [Member] | Term [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Recorded Investment	1,664	1,762
Non-Accrual Status [Member] | Commercial Real Estate [Member] | Residential Development [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Recorded Investment	11,159	11,969
Non-Accrual Status [Member] | Commercial Real Estate [Member] | Construction & Development [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Recorded Investment		921
Non-Accrual Status [Member] | Commercial Real Estate [Member] | Term & Multifamily [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Recorded Investment	19,822	21,951
Non-Accrual Status [Member] | Residential [Member] | Consumer & Other [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Recorded Investment
Accrual Status [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Recorded Investment	70,249	80,563
Accrual Status [Member] | Commercial [Member] | Term [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Recorded Investment	3,852	3,863
Accrual Status [Member] | Commercial Real Estate [Member] | Residential Development [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Recorded Investment	23,022	33,964
Accrual Status [Member] | Commercial Real Estate [Member] | Construction & Development [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Recorded Investment	19,911	19,996
Accrual Status [Member] | Commercial Real Estate [Member] | Term & Multifamily [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Recorded Investment	23,336	22,611
Accrual Status [Member] | Residential [Member] | Home Equity Loans & Lines [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Recorded Investment	128	129
Accrual Status [Member] | Residential [Member] | Consumer & Other [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Recorded Investment