Allowance for Non-Covered Loan Loss and Credit Quality (Schedule Of Troubled Debt Restructuring By Accrual versus Non-Accrual Status) (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012
Financing Receivable, Modifications [Line Items]
Financing Receivable Modifications Recorded Investments	$ 99,710	$ 101,778
Accrual Status [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable Modifications Recorded Investments	74,092	70,602
Non-Accrual Status [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable Modifications Recorded Investments	25,618	31,176
Term & Multifamily [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable Modifications Recorded Investments	59,535	56,218
Term & Multifamily [Member] | Accrual Status [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable Modifications Recorded Investments	43,733	39,613
Term & Multifamily [Member] | Non-Accrual Status [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable Modifications Recorded Investments	15,802	16,605
Construction & Development [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable Modifications Recorded Investments	12,492	16,068
Construction & Development [Member] | Accrual Status [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable Modifications Recorded Investments	12,492	12,552
Construction & Development [Member] | Non-Accrual Status [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable Modifications Recorded Investments	0	3,516
Residential Development [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable Modifications Recorded Investments	20,715	22,062
Residential Development [Member] | Accrual Status [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable Modifications Recorded Investments	15,957	17,141
Residential Development [Member] | Non-Accrual Status [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable Modifications Recorded Investments	4,758	4,921
Term [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable Modifications Recorded Investments	4,920	4,991
Term [Member] | Accrual Status [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable Modifications Recorded Investments	351	350
Term [Member] | Non-Accrual Status [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable Modifications Recorded Investments	4,569	4,641
LOC & Other [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable Modifications Recorded Investments	1,759	2,313
LOC & Other [Member] | Accrual Status [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable Modifications Recorded Investments	1,270	820
LOC & Other [Member] | Non-Accrual Status [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable Modifications Recorded Investments	489	1,493
Mortgage [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable Modifications Recorded Investments	289	0
Mortgage [Member] | Accrual Status [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable Modifications Recorded Investments	289	0
Mortgage [Member] | Non-Accrual Status [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable Modifications Recorded Investments	0	0
Home Equity Loans & Lines [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable Modifications Recorded Investments	0	126
Home Equity Loans & Lines [Member] | Accrual Status [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable Modifications Recorded Investments	0	126
Home Equity Loans & Lines [Member] | Non-Accrual Status [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable Modifications Recorded Investments	0	0
Consumer & Other [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable Modifications Recorded Investments	0	0
Consumer & Other [Member] | Accrual Status [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable Modifications Recorded Investments	0	0
Consumer & Other [Member] | Non-Accrual Status [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable Modifications Recorded Investments	$ 0	$ 0