Loans Receivable And Allowance For Credit Losses Troubled Debt Restructuring (Details) (USD $)	3 Months Ended			6 Months Ended
	Jun. 30, 2012 Contracts		Jun. 30, 2011	Jun. 30, 2012 Contracts		Jun. 30, 2011
Financing Receivable, Modifications [Line Items]
Impaired Financing Receivable, Average Recorded Investment	$ 272,521,000		$ 436,588,000	$ 276,251,000		$ 525,375,000
Impaired Financing Receivable, Interest Income, Accrual Method	1,505,000		2,046,000	4,085,000		3,646,000
Financing Receivable Modifications Number Of Contracts2	23	[1]		37	[1]
Financing Receivable, Modifications, Pre-Modification Recorded Investment2	15,811,000	[1]		31,078,000	[1]
Financing Receivable, Modifications, Post-Modification Recorded Investment2	15,777,000	[1]		29,752,000	[1]
Troubled Debt Restructuring, Debtor, Current Period [Abstract]
Specific reserves on TDR's	2,700,000			2,700,000
Troubled Debt Restructuring, Post Modification Investment by Class [Abstract]
Principal Deferred	6,095,000			6,095,000
Rate Reduction				19,468,000
Extension of Terms				3,174,000
Forgiveness of Principal And/Or Interest				1,015,000
Total	29,752,000			29,752,000
Residential Real Estate [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable Modifications Number Of Contracts2	8			12
Financing Receivable, Modifications, Pre-Modification Recorded Investment2	1,193,000			2,234,000
Financing Receivable, Modifications, Post-Modification Recorded Investment2	1,188,000			2,228,000
Troubled Debt Restructuring, Post Modification Investment by Class [Abstract]
Principal Deferred	407,000			407,000
Rate Reduction				1,821,000
Extension of Terms				0
Forgiveness of Principal And/Or Interest				0
Total	2,228,000			2,228,000
Investor CRE [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable Modifications Number Of Contracts2	0			1
Financing Receivable, Modifications, Pre-Modification Recorded Investment2	0			1,302,000
Financing Receivable, Modifications, Post-Modification Recorded Investment2	0			1,302,000
Troubled Debt Restructuring, Post Modification Investment by Class [Abstract]
Principal Deferred	0			0
Rate Reduction				1,302,000
Extension of Terms				0
Forgiveness of Principal And/Or Interest				0
Total	1,302,000			1,302,000
Multifamily [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable Modifications Number Of Contracts2	1			2
Financing Receivable, Modifications, Pre-Modification Recorded Investment2	767,000			2,379,000
Financing Receivable, Modifications, Post-Modification Recorded Investment2	763,000			2,374,000
Troubled Debt Restructuring, Post Modification Investment by Class [Abstract]
Principal Deferred	0			0
Rate Reduction				2,374,000
Extension of Terms				0
Forgiveness of Principal And/Or Interest				0
Total	2,374,000			2,374,000
Construction [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable Modifications Number Of Contracts2	1			2
Financing Receivable, Modifications, Pre-Modification Recorded Investment2	3,252,000			5,944,000
Financing Receivable, Modifications, Post-Modification Recorded Investment2	3,261,000			5,953,000
Troubled Debt Restructuring, Post Modification Investment by Class [Abstract]
Principal Deferred	0			0
Rate Reduction				3,261,000
Extension of Terms				2,692,000
Forgiveness of Principal And/Or Interest				0
Total	5,953,000			5,953,000
Owner Occupied CRE [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable Modifications Number Of Contracts2	6			9
Financing Receivable, Modifications, Pre-Modification Recorded Investment2	8,809,000			15,441,000
Financing Receivable, Modifications, Post-Modification Recorded Investment2	8,766,000			15,390,000
Troubled Debt Restructuring, Post Modification Investment by Class [Abstract]
Principal Deferred	5,688,000			5,688,000
Rate Reduction				9,393,000
Extension of Terms				0
Forgiveness of Principal And/Or Interest				309,000
Total	15,390,000			15,390,000
C&I [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable Modifications Number Of Contracts2	5			9
Financing Receivable, Modifications, Pre-Modification Recorded Investment2	1,494,000			3,482,000
Financing Receivable, Modifications, Post-Modification Recorded Investment2	1,500,000			2,206,000
Troubled Debt Restructuring, Post Modification Investment by Class [Abstract]
Principal Deferred	0			0
Rate Reduction				1,317,000
Extension of Terms				183,000
Forgiveness of Principal And/Or Interest				706,000
Total	2,206,000			2,206,000
Consumer Loan [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable Modifications Number Of Contracts2	2			2
Financing Receivable, Modifications, Pre-Modification Recorded Investment2	296,000			296,000
Financing Receivable, Modifications, Post-Modification Recorded Investment2	299,000			299,000
Troubled Debt Restructuring, Post Modification Investment by Class [Abstract]
Principal Deferred	0			0
Rate Reduction				0
Extension of Terms				299,000
Forgiveness of Principal And/Or Interest				0
Total	299,000			299,000
Loans Removed from TDR Status [Member]
Troubled Debt Restructuring, Debtor, Current Period [Abstract]
Financing Receivable, Modifications, Number of Contracts	17			17
Troubled Debt Restructuring, Post Modification Investment by Class [Abstract]
Total	4,600,000			4,600,000
Residential Real Estate [Member] | Residential Real Estate [Member]
Financing Receivable, Modifications [Line Items]
Impaired Financing Receivable, Average Recorded Investment	46,485,000		58,572,000	43,231,000		72,911,000
Impaired Financing Receivable, Interest Income, Accrual Method	$ 174,000		$ 320,000	$ 418,000		$ 320,000

[1] Amounts exclude specific loan loss reserves.