Summary Of Significant Accounting Policies Summary of Significant Accounting Policies: FHLB Stock (Details) (USD $) In Millions, except Per Share data, unless otherwise specified	12 Months Ended		12 Months Ended
	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2013 Minimum
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)			5.00%
Par value of FHLB stock		$ 100
FHLB, authorization to repurchase investment stock, maximum per quarter	$ 25