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Loans Receivable (Troubled debt restructurings, Rolling Twelve Months) (Details)
$ in Thousands
12 Months Ended
Sep. 30, 2015
USD ($)
number
Sep. 30, 2014
USD ($)
number
Mortgage Loan [Member]    
Financing Receivable, Modifications [Line Items]    
Number of Contracts | number 49 15
Recored Investment $ 5,396 $ 1,739
Commercial Loan [Member]    
Financing Receivable, Modifications [Line Items]    
Number of Contracts | number 8 2
Recored Investment $ 177 $ 5
Consumer Loan [Member]    
Financing Receivable, Modifications [Line Items]    
Number of Contracts | number 1 0
Recored Investment $ 64 $ 0