MBS And Other Investments: Marketable Securities (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2015	Sep. 30, 2014
Held to maturity
Amortized Cost	$ 5,106	$ 5,298
Gross Unrealized Gains	1,037	998
Gross Unrealized Losses	(8)	(22)
Estimated Fair Value	6,135	6,274
Available for sale
Amortized Cost	1,468	2,801
Gross Unrealized Gains	44	100
Gross Unrealized Losses	(26)	(44)
Estimated Fair Value	1,486us-gaap_AvailableForSaleSecurities	2,857us-gaap_AvailableForSaleSecurities
Mortgage-backed Securities, U.S. government agencies
Held to maturity
Amortized Cost	914	1,002
Gross Unrealized Gains	26	32
Gross Unrealized Losses	(1)	(2)
Estimated Fair Value	939	1,032
Available for sale
Amortized Cost	468	1,801
Gross Unrealized Gains	44	100
Gross Unrealized Losses	(1)	(2)
Estimated Fair Value	511	1,899
Mortgage-backed Securities, Private label residential
Held to maturity
Amortized Cost	1,176	1,280
Gross Unrealized Gains	975	965
Gross Unrealized Losses	(7)	(7)
Estimated Fair Value	2,144	2,238
U.S. agency securities
Held to maturity
Amortized Cost	3,016	3,016
Gross Unrealized Gains	36	1
Gross Unrealized Losses	0	(13)
Estimated Fair Value	3,052	3,004
Mutual funds
Available for sale
Amortized Cost	1,000	1,000
Gross Unrealized Gains	0	0
Gross Unrealized Losses	(25)	(42)
Estimated Fair Value	$ 975	$ 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 of accumulated unrealized gain on investments in debt securities classified as held-to-maturity.

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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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