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Commitments and Contingencies (Details) - USD ($)
$ in Thousands
 12 Months Ended
Sep. 30, 2015
Sep. 30, 2014
Commitments and Contingencies Disclosure [Abstract]    
Reserve for unfunded loan commitments $ 226 $ 192
Employee severance compensation plan, employee minimum service requirement 2 years  
Employee severance compensation plan, eligible payment, maximum compensation term 24 months