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Summary Of Significant Accounting Policies Summary of Significant Accounting Policies: TARP and CPP (Details) - USD ($)
$ / shares in Units, $ in Thousands
 12 Months Ended
Dec. 20, 2013
Dec. 23, 2008
Sep. 30, 2015
Sep. 30, 2014
Sep. 30, 2013
Jun. 12, 2013
Nov. 13, 2012
Class of Stock [Line Items]              
Preferred stock per share liquidation value (in dollars per share)     $ 1,000 $ 1,000      
Preferred stock outstanding under Capital Purchase program under TARP     0 0      
Preferred shares repurchased and retired (in shares)       12,065 4,576    
Fixed Rate Cumulative Perpetual Preferred Stock, Series A              
Class of Stock [Line Items]              
Proceeds from preferred stock sold under Capital Purchase Program under TARP   $ 16,640          
Preferred stock sold under Capital Purchase program under TARP   16,641          
Preferred stock per share liquidation value (in dollars per share)   $ 1,000          
Preferred stock outstanding under Capital Purchase program under TARP             16,641
Preferred shares repurchased and retired (in shares)     4,576        
Preferred shares repurchased and retired, amount $ 12,070     $ 4,320      
Preferred shares repurchased and retired, discount from par value     $ 255        
Fixed Rate Cumulative Perpetual Preferred Stock, Series A | Subsequent Event              
Class of Stock [Line Items]              
Preferred shares repurchased and retired (in shares) 12,065            
Fixed Rate Cumulative Perpetual Preferred Stock, Series A | Dividend rate, term 1              
Class of Stock [Line Items]              
Preferred stock, dividend rate (percent)   5.00%          
Common Stock              
Class of Stock [Line Items]              
Warrant issued to purchase common stock (in shares)   370,899       370,899  
Exercise price of warrant (in dollars per share)   $ 6.73