Loans Receivable And Allowance For Credit Losses Troubled Debt Restructuring (Details) (USD $)	3 Months Ended
	Mar. 31, 2013 Contracts		Mar. 31, 2012 Contracts
Financing Receivable, Modifications [Line Items]
Impaired Financing Receivable, Average Recorded Investment	$ 184,231,000		$ 283,432,000
Impaired Financing Receivable, Interest Income, Accrual Method	2,668,000		2,580,000
Financing Receivable Modifications Number Of Contracts2	15	[1]	14	[1]
Financing Receivable, Modifications, Pre-Modification Recorded Investment 2	6,048,000		15,267,000
Financing Receivable, Modifications, Post-Modification Recorded Investment 2	5,523,000		13,975,000
Troubled Debt Restructuring, Debtor, Current Period [Abstract]
Specific reserves on TDR's	700,000
Troubled Debt Restructuring, Post Modification Investment by Class [Abstract]
Principal Deferred	730,000		407,000
Rate Reduction	4,218,000		10,170,000
Extension of Terms	203,000		2,692,000
Forgiveness of Principal And/Or Interest	372,000		706,000
Total	5,523,000		13,975,000
Residential Real Estate [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable Modifications Number Of Contracts2	9		4
Financing Receivable, Modifications, Pre-Modification Recorded Investment 2	2,134,000		1,041,000
Financing Receivable, Modifications, Post-Modification Recorded Investment 2	1,929,000		1,040,000
Troubled Debt Restructuring, Post Modification Investment by Class [Abstract]
Principal Deferred	0		407,000
Rate Reduction	1,395,000		633,000
Extension of Terms	203,000		0
Forgiveness of Principal And/Or Interest	331,000		0
Total	1,929,000		1,040,000
Investor CRE [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable Modifications Number Of Contracts2	3		1
Financing Receivable, Modifications, Pre-Modification Recorded Investment 2	1,482,000		1,302,000
Financing Receivable, Modifications, Post-Modification Recorded Investment 2	1,180,000		1,302,000
Troubled Debt Restructuring, Post Modification Investment by Class [Abstract]
Principal Deferred	0		0
Rate Reduction	1,139,000		1,302,000
Extension of Terms	0		0
Forgiveness of Principal And/Or Interest	41,000		0
Total	1,180,000		1,302,000
Multifamily [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable Modifications Number Of Contracts2	0		1
Financing Receivable, Modifications, Pre-Modification Recorded Investment 2	0		1,612,000
Financing Receivable, Modifications, Post-Modification Recorded Investment 2	0		1,611,000
Troubled Debt Restructuring, Post Modification Investment by Class [Abstract]
Principal Deferred	0		0
Rate Reduction	0		1,611,000
Extension of Terms	0		0
Forgiveness of Principal And/Or Interest	0		0
Total	0		1,611,000
Construction [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable Modifications Number Of Contracts2	0		1
Financing Receivable, Modifications, Pre-Modification Recorded Investment 2	0		2,692,000
Financing Receivable, Modifications, Post-Modification Recorded Investment 2	0		2,692,000
Troubled Debt Restructuring, Post Modification Investment by Class [Abstract]
Principal Deferred	0		0
Rate Reduction	0		0
Extension of Terms	0		2,692,000
Forgiveness of Principal And/Or Interest	0		0
Total	0		2,692,000
Owner Occupied CRE [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable Modifications Number Of Contracts2	3		3
Financing Receivable, Modifications, Pre-Modification Recorded Investment 2	2,432,000		6,632,000
Financing Receivable, Modifications, Post-Modification Recorded Investment 2	2,414,000		6,624,000
Troubled Debt Restructuring, Post Modification Investment by Class [Abstract]
Principal Deferred	730,000		0
Rate Reduction	1,684,000		6,624,000
Extension of Terms	0		0
Forgiveness of Principal And/Or Interest	0		0
Total	2,414,000		6,624,000
C&I [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable Modifications Number Of Contracts2	0		4
Financing Receivable, Modifications, Pre-Modification Recorded Investment 2	0		1,988,000
Financing Receivable, Modifications, Post-Modification Recorded Investment 2	0		706,000
Troubled Debt Restructuring, Post Modification Investment by Class [Abstract]
Principal Deferred	0		0
Rate Reduction	0		0
Extension of Terms	0		0
Forgiveness of Principal And/Or Interest	0		706,000
Total	0		706,000
Consumer Loan [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable Modifications Number Of Contracts2	0		0
Financing Receivable, Modifications, Pre-Modification Recorded Investment 2	0		0
Financing Receivable, Modifications, Post-Modification Recorded Investment 2	0		0
Troubled Debt Restructuring, Post Modification Investment by Class [Abstract]
Principal Deferred	0		0
Rate Reduction	0		0
Extension of Terms	0		0
Forgiveness of Principal And/Or Interest	0		0
Total	0		0
Residential Real Estate [Member] | Residential Real Estate [Member]
Financing Receivable, Modifications [Line Items]
Impaired Financing Receivable, Average Recorded Investment	43,127,000		46,157,000
Impaired Financing Receivable, Interest Income, Accrual Method	$ 152,000		$ 244,000

[1] Amounts exclude specific loan loss reserves.