Loans Receivable And Allowance For Credit Losses Troubled Debt Restructuring (Details) (USD $)	3 Months Ended				9 Months Ended
	Sep. 30, 2013 Contracts		Sep. 30, 2012 Contracts		Sep. 30, 2013 Contracts		Sep. 30, 2012 Contracts		Dec. 31, 2012
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Recorded Investment	$ 52,556,000				$ 52,556,000				$ 64,216,000
Financing Receivable, Modifications, Recorded Investment	3,800,000		4,500,000		8,100,000		9,800,000
Average Book Balance	130,347,000		238,890,000		151,648,000		249,800,000
Interest Income Recognized	555,000		1,566,000		4,190,000		5,651,000
Number Of Contracts	3	[1]	19	[1]	28	[1]	56	[1]
Pre-Modification Recorded Investment	496,000		7,240,000		9,056,000		38,318,000
Post-Modification Recorded Investment	513,000		6,304,000		7,697,000		36,056,000
Troubled Debt Restructuring, Debtor, Current Period [Abstract]
Specific reserves on TDR's	591,000				591,000
Troubled Debt Restructuring, Post Modification Investment by Class [Abstract]
Principal Deferred					2,074,000		6,220,000
Rate Reduction					4,917,000		22,406,000
Extension of Terms					334,000		6,415,000
Forgiveness of Principal And/Or Interest					372,000		1,015,000
Post-Modification Recorded Investment	513,000		6,304,000		7,697,000		36,056,000
Loans Removed from TDR Status [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Recorded Investment					5,900,000
Number Of Contracts					10
Residential Real Estate [Member]
Financing Receivable, Modifications [Line Items]
Number Of Contracts	3		15		13		27
Pre-Modification Recorded Investment	496,000		2,817,000		2,814,000		5,051,000
Post-Modification Recorded Investment	513,000		2,765,000		2,628,000		4,993,000
Troubled Debt Restructuring, Post Modification Investment by Class [Abstract]
Principal Deferred					0		407,000
Rate Reduction					2,094,000		4,586,000
Extension of Terms					203,000		0
Forgiveness of Principal And/Or Interest					331,000		0
Post-Modification Recorded Investment	513,000		2,765,000		2,628,000		4,993,000
Investor CRE [Member]
Financing Receivable, Modifications [Line Items]
Number Of Contracts	0		0		4		1
Pre-Modification Recorded Investment	0		0		1,745,000		1,302,000
Post-Modification Recorded Investment	0		0		1,442,000		1,302,000
Troubled Debt Restructuring, Post Modification Investment by Class [Abstract]
Principal Deferred					262,000		0
Rate Reduction					1,139,000		1,302,000
Extension of Terms					0		0
Forgiveness of Principal And/Or Interest					41,000		0
Post-Modification Recorded Investment	0		0		1,442,000		1,302,000
Multifamily [Member]
Financing Receivable, Modifications [Line Items]
Number Of Contracts	0		0		0		2
Pre-Modification Recorded Investment	0		0		0		2,379,000
Post-Modification Recorded Investment	0		0		0		2,374,000
Troubled Debt Restructuring, Post Modification Investment by Class [Abstract]
Principal Deferred					0		0
Rate Reduction					0		2,374,000
Extension of Terms					0		0
Forgiveness of Principal And/Or Interest					0		0
Post-Modification Recorded Investment	0		0		0		2,374,000
Construction [Member]
Financing Receivable, Modifications [Line Items]
Number Of Contracts	0		2		0		4
Pre-Modification Recorded Investment	0		4,118,000		0		10,062,000
Post-Modification Recorded Investment	0		3,241,000		0		9,194,000
Troubled Debt Restructuring, Post Modification Investment by Class [Abstract]
Principal Deferred					0		0
Rate Reduction					0		3,261,000
Extension of Terms					0		5,933,000
Forgiveness of Principal And/Or Interest					0		0
Post-Modification Recorded Investment	0		3,241,000		0		9,194,000
Owner Occupied CRE [Member]
Financing Receivable, Modifications [Line Items]
Number Of Contracts	0		1		7		10
Pre-Modification Recorded Investment	0		133,000		4,048,000		15,574,000
Post-Modification Recorded Investment	0		125,000		3,173,000		15,515,000
Troubled Debt Restructuring, Post Modification Investment by Class [Abstract]
Principal Deferred					1,365,000		5,813,000
Rate Reduction					1,684,000		9,393,000
Extension of Terms					124,000		0
Forgiveness of Principal And/Or Interest					0		309,000
Post-Modification Recorded Investment	0		125,000		3,173,000		15,515,000
C&I [Member]
Financing Receivable, Modifications [Line Items]
Number Of Contracts	0		0		4		9
Pre-Modification Recorded Investment	0		0		449,000		3,482,000
Post-Modification Recorded Investment	0		0		454,000		2,206,000
Troubled Debt Restructuring, Post Modification Investment by Class [Abstract]
Principal Deferred					447,000		0
Rate Reduction					0		1,317,000
Extension of Terms					7,000		183,000
Forgiveness of Principal And/Or Interest					0		706,000
Post-Modification Recorded Investment	0		0		454,000		2,206,000
Consumer Loan [Member]
Financing Receivable, Modifications [Line Items]
Number Of Contracts	0		1		0		3
Pre-Modification Recorded Investment	0		172,000		0		468,000
Post-Modification Recorded Investment	0		173,000		0		472,000
Troubled Debt Restructuring, Post Modification Investment by Class [Abstract]
Principal Deferred					0		0
Rate Reduction					0		173,000
Extension of Terms					0		299,000
Forgiveness of Principal And/Or Interest					0		0
Post-Modification Recorded Investment	0		173,000		0		472,000
Residential Real Estate [Member]
Financing Receivable, Modifications [Line Items]
Average Book Balance	39,152,000		43,393,000		40,618,000		43,065,000
Interest Income Recognized	129,000		170,000		446,000		588,000
Nonaccrual Financing Receivable [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Recorded Investment	14,640,000				14,640,000				19,510,000
Performing [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Recorded Investment	$ 37,916,000				$ 37,916,000				$ 44,706,000

[1] Amounts exclude specific loan loss reserves.