MBS And Other Investments: Marketable Securities (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Sep. 30, 2014
Held to maturity
Amortized Cost	$ 5,201	$ 5,298
Gross Unrealized Gains	1,016	998
Gross Unrealized Losses	(9)	(22)
Estimated Fair Value	6,208	6,274
Available for sale
Amortized Cost	1,489	2,801
Gross Unrealized Gains	40	100
Gross Unrealized Losses	(35)	(44)
Estimated Fair Value	1,494us-gaap_AvailableForSaleSecurities	2,857us-gaap_AvailableForSaleSecurities
Mortgage-backed Securities, U.S. government agencies
Held to maturity
Amortized Cost	956	1,002
Gross Unrealized Gains	26	32
Gross Unrealized Losses	(1)	(2)
Estimated Fair Value	981	1,032
Available for sale
Amortized Cost	489	1,801
Gross Unrealized Gains	40	100
Gross Unrealized Losses	(1)	(2)
Estimated Fair Value	528	1,899
Mortgage-backed Securities, Private label residential
Held to maturity
Amortized Cost	1,229	1,280
Gross Unrealized Gains	978	965
Gross Unrealized Losses	(8)	(7)
Estimated Fair Value	2,199	2,238
U.S. agency securities
Held to maturity
Amortized Cost	3,016	3,016
Gross Unrealized Gains	12	1
Gross Unrealized Losses	0	(13)
Estimated Fair Value	3,028	3,004
Mutual funds
Available for sale
Amortized Cost	1,000	1,000
Gross Unrealized Gains	0	0
Gross Unrealized Losses	(34)	(42)
Estimated Fair Value	$ 966	$ 958

Amount of investment in debt and equity securities categorized neither as held-to-maturity nor trading.

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Amount before tax of unrealized gain in accumulated other comprehensive income (AOCI) on investments in debt and equity securities classified as available-for-sale.

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Amount before tax of unrealized loss in accumulated other comprehensive income (AOCI) on investments in debt and equity securities classified as available-for-sale.

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Amount before other than temporary impairment (OTTI) accretion, of investments in debt securities classified as held-to-maturity.

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Fair value of investments in debt securities classified as held-to-maturity.

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