Loans Receivable (Schedule Of Troubled Debt Restructurings) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2012 contract
Financing Receivable, Modifications [Line Items]
Number	3
Recorded Investment	$ 404
Number, subsequently defaulted	3
Recorded Investment, subsequently defaulted	4,338
Commercial Real Estate Residential [Member]
Financing Receivable, Modifications [Line Items]
Number, subsequently defaulted	1
Recorded Investment, subsequently defaulted	3,458
Commercial Real Estate Owner Other [Member]
Financing Receivable, Modifications [Line Items]
Number, subsequently defaulted	1
Recorded Investment, subsequently defaulted	860
Small Business Real Estate [Member]
Financing Receivable, Modifications [Line Items]
Number	2
Recorded Investment	342
Consumer [Member]
Financing Receivable, Modifications [Line Items]
Number, subsequently defaulted	1
Recorded Investment, subsequently defaulted	20
Residential-Amortizing [Member]
Financing Receivable, Modifications [Line Items]
Number	1
Recorded Investment	$ 62