Summary Of Significant Accounting Policies (Contractual Maturities Of Securities Available For Sale) (Details) (USD $) In Thousands	Sep. 30, 2011
Summary Of Significant Accounting Policies [Abstract]
Maturity Date, One Year Or Less	$ 16,034
Maturity Date, One Year To Two Years	2,529
Maturity Date, Two Years To Three Years	11,486
Maturity Date, Three Years To Four Years	4,142
Maturity Date, Four Years To Five Years	8,022
Maturity Date, After Five Years	$ 4,985