Loans Receivable (Narrative) (Details) (USD $)	3 Months Ended		9 Months Ended		3 Months Ended	9 Months Ended		9 Months Ended							3 Months Ended	9 Months Ended
	Sep. 30, 2013 loan	Mar. 31, 2012	Sep. 30, 2013 loan	Dec. 31, 2012	Sep. 30, 2013 Commercial Real Estate [Member] loan	Sep. 30, 2012 Commercial Real Estate [Member] loan	Dec. 31, 2012 Commercial Real Estate [Member]	Sep. 30, 2013 Small Business Real Estate [Member]	Sep. 30, 2012 Small Business Real Estate [Member] loan	Sep. 30, 2013 Consumer [Member]	Sep. 30, 2012 Consumer [Member] loan	Sep. 30, 2013 Residential-Amortizing [Member]	Sep. 30, 2012 Residential-Amortizing [Member] loan	Sep. 30, 2013 Small Business Non-Real Estate [Member] loan	Sep. 30, 2013 Commercial Real Estate Residential [Member] loan	Sep. 30, 2012 Commercial Real Estate Residential [Member] loan	Sep. 30, 2012 Residential Interest Only Loans [Member] loan	Sep. 30, 2013 Small Business [Member]	Dec. 31, 2012 Small Business [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans charged off subsequent to change in valuation of collateral dependent loans		$ 66,500,000
Collateral Dependent Loans	90,900,000		90,900,000
Collateral Dependent Loans Measured For Impairment Using Current Appraisals	87,500,000		87,500,000
Collateral Dependent Loans Measured For Impairment Using Previous Appraisals	3,400,000		3,400,000
Collateral Dependent Loans Measured For Impairment Using Previous Appraisals Adjustment	800,000		800,000
Number	2				2	2			2		2		1	1	1	1	2
Recorded Investment			296,000		22,100,000	22,100,000		342,000		47,000		62,000	177,000	296,000	6,900,000	6,900,000	247,000
Number, subsequently defaulted			0										2
Recorded Investment, subsequently defaulted													177,000
Loans held for sale	$ 16,150,000		$ 16,150,000	$ 24,748,000	$ 3,200,000		$ 6,000,000											$ 12,900,000	$ 18,800,000