Loans Receivable (Schedule Of Loans-To-Value, Residential) (Details) (Residential [Member], USD $) In Thousands, unless otherwise specified	Sep. 30, 2012		Dec. 31, 2011
Residential-Interest Only [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total	$ 21,276	[1]	$ 382,419	[1]
Residential-Amortizing [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total	39,227	[1]	571,240	[1]
Ratios not available [Member] | Residential-Interest Only [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total	3,788	[1],[2]	124,868	[1],[2]
Ratios not available [Member] | Residential-Amortizing [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total	17,210	[1],[2]	304,372	[1],[2]
Equal Or Less Than 60% [Member] | Residential-Interest Only [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total	406	[1]	20,314	[1]
Equal Or Less Than 60% [Member] | Residential-Amortizing [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total	3,459	[1]	68,817	[1]
60.1% - 70% [Member] | Residential-Interest Only [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total	548	[1]	10,316	[1]
60.1% - 70% [Member] | Residential-Amortizing [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total	905	[1]	30,033	[1]
70.1% - 80% [Member] | Residential-Interest Only [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total	254	[1]	24,784	[1]
70.1% - 80% [Member] | Residential-Amortizing [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total	1,669	[1]	32,271	[1]
80.1% - 90% [Member] | Residential-Interest Only [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total	891	[1]	27,622	[1]
80.1% - 90% [Member] | Residential-Amortizing [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total	1,996	[1]	27,523	[1]
Greater Than 90.1% [Member] | Residential-Interest Only [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total	15,389	[1]	174,515	[1]
Greater Than 90.1% [Member] | Residential-Amortizing [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total	$ 13,988	[1]	$ 108,224	[1]

[1] Current loan-to-value ratios (“LTV”) for the majority of the portfolio were obtained as of the second quarter of 2011 based on automated valuation models.

[2] Ratios not available consisted of property not in the automated valuation database, and $9.2 million and $78.8 million as of September 30, 2012 and December 31, 2011, respectively, of loans originated under the community reinvestment act program that are not monitored based on loan-to-value.