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Summary of Significant Accounting Policies (Details) - USD ($)
$ in Thousands
Mar. 31, 2016
Sep. 30, 2015
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Loans in process $ 591,667 $ 476,796
Loans and Leases Receivable    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Loans in process $ 929,028 $ 816,014