Mortgage Servicing Rights: Analysis of the changes in MSRs (Details) - USD ($) $ in Thousands	12 Months Ended
Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2013
Transfers and Servicing [Abstract]
Mortgage Servicing Rights (MSR), Starting Balance	$ 1,684	$ 2,266	$ 2,011
Mortgage Servicing Rights (MSR), Additions	(635)	(387)	(728)
Mortgage Servicing Rights (MSR), Amortization	(841)	(969)	(948)
Mortgage Servicing Rights (MSR), Recovery of Valuation Allowance	0	0	475
Mortgage Servicing Rights (MSR), Ending Balance	$ 1,478	$ 1,684	$ 2,266

The periodic amortization (in proportion to and over the period of estimated net servicing income or loss) of capitalized servicing rights, which contractually entitle the servicer to receive fees and ancillary revenues for performing billing, collection, disbursement and recordkeeping services in connection with a mortgage portfolio. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 860

-SubTopic 50

-Section 50

-Paragraph 4

-Subparagraph (a)(4)

-URI http://asc.fasb.org/extlink&oid=7882072&loc=d3e122739-111746

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 28

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration