Investment Securities (Schedule Of Amortized Cost And Fair Value By Contractual Maturity Of Debt Securities) (Details) (Municipal Securities [Member], USD $) In Thousands, unless otherwise specified	Sep. 30, 2012
Municipal Securities [Member]
Schedule Of Debt Securities [Line Items]
Within 1 year, Amortized Cost	$ 1,493
1-5 years, Amortized Cost	10,304
5-10 years, Amortized Cost	6,290
Over 10 years, Amortized Cost	2,862
Total debt securities, Amortized Cost	20,949
Within 1 year, Fair Value	1,495
1-5 years, Fair Value	10,619
5-10 years, Fair Value	6,686
Over 10 years, Fair Value	3,086
Total debt securities, Fair Value	$ 21,886
Within 1 year, Weighted Average Yield	0.95%
1-5 years, Weighted Average Yield	2.28%
5-10 years, Weighted Average Yield	4.68%
Over 10 years, Weighted Average Yield	4.78%
Weighted Average Yield, Total	3.24%