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Summary Of Significant Accounting Policies Summary of Significant Accounting Policies: FHLB Stock (Details) - Minimum
12 Months Ended
Sep. 30, 2015
Federal Home Loan Bank, Advances, Branch of FHLB Bank [Line Items]  
FHLB, investment in capital stock, home loans (percent) 1.00%
FHLB, investment in capital stock, advances (percent) 4.00%