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Summary Of Significant Accounting Policies Summary of Significant Accounting Policies: Cash (Details) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Sep. 30, 2013
Sep. 30, 2012
Sep. 30, 2011
Restricted Cash and Cash Equivalents Items [Line Items]      
Interest-bearing deposits in Federal Reserve Bank $ 81,617 $ 85,660  
Preferred Stock
     
Restricted Cash and Cash Equivalents Items [Line Items]      
Preferred stock, dividend rate (percent) 5.00% 5.00% 5.00%
Interest-bearing deposits
     
Restricted Cash and Cash Equivalents Items [Line Items]      
Interest-bearing deposits in Federal Reserve Bank $ 72,955 $ 75,325