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Loans Receivable And Allowance For Loan Losses: Schedule of Allowance for Loan Losses (Details) - USD ($) $ in Thousands	3 Months Ended
	Dec. 31, 2015	Dec. 31, 2014
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Allowance for loan losses, Beginning Allowance	$ 9,924
Provision/(Credit)	0	$ 0
Charge-offs	77	134
Recoveries	42	29
Allowance for loan losses, Ending Allowance	9,889	10,322
Mortgage loans, one-to-four family
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Allowance for loan losses, Beginning Allowance	1,480
Provision/(Credit)	(37)	(47)
Charge-offs	26	118
Recoveries	3	19
Allowance for loan losses, Ending Allowance	1,420	1,504
Mortgage loans, multi-family
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Allowance for loan losses, Beginning Allowance	392
Provision/(Credit)	(19)	(19)
Charge-offs	0	0
Recoveries	0	0
Allowance for loan losses, Ending Allowance	373	368
Mortgage loans, commercial
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Allowance for loan losses, Beginning Allowance	4,065
Provision/(Credit)	(140)	(1,190)
Charge-offs	27	0
Recoveries	0	0
Allowance for loan losses, Ending Allowance	3,898	3,646
Mortgage loans, construction - custom and owner/builder
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Allowance for loan losses, Beginning Allowance	451
Provision/(Credit)	104	10
Charge-offs	0	0
Recoveries	0	0
Allowance for loan losses, Ending Allowance	555	460
Mortgage loans, construction - speculative one-to-four family
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Allowance for loan losses, Beginning Allowance	123
Provision/(Credit)	(1)	(2)
Charge-offs	0	0
Recoveries	0	0
Allowance for loan losses, Ending Allowance	122	50
Mortgage loans, construction – commercial
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Allowance for loan losses, Beginning Allowance	426
Provision/(Credit)	60	(50)
Charge-offs	0	0
Recoveries	0	0
Allowance for loan losses, Ending Allowance	486	28
Mortgage loans, construction - Multi-family
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Allowance for loan losses, Beginning Allowance	283
Provision/(Credit)	22	50
Charge-offs	0
Recoveries	31	0
Allowance for loan losses, Ending Allowance	336	75
Mortgage loans, construction - land development
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Charge-offs		0
Mortgage loans, land
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Allowance for loan losses, Beginning Allowance	1,021
Provision/(Credit)	(96)	1,379
Charge-offs	8
Recoveries	6	8
Allowance for loan losses, Ending Allowance	923	2,817
Land and Land Improvements [Member]
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Charge-offs		4
Consumer loans, home equity and second mortgage
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Allowance for loan losses, Beginning Allowance	1,073
Provision/(Credit)	42	(67)
Charge-offs	13	11
Recoveries	0	0
Allowance for loan losses, Ending Allowance	1,102	801
Consumer loans, other
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Allowance for loan losses, Beginning Allowance	187
Provision/(Credit)	(24)	(17)
Charge-offs	3	1
Recoveries	1	1
Allowance for loan losses, Ending Allowance	161	159
Commercial business loans
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Allowance for loan losses, Beginning Allowance	423
Provision/(Credit)	89	(47)
Charge-offs	0	0
Recoveries	1	1
Allowance for loan losses, Ending Allowance	$ 513	$ 414

X

- Definition

A valuation allowance for financing receivables that are expected to be uncollectible.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 11B
-Subparagraph (c)(1)
-URI http://asc.fasb.org/extlink&oid=35738203&loc=SL6953423-111524

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- Definition

Amount of recovery of financing receivables doubtful of collection that were previously charged off.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 11B
-Subparagraph (c)(4)
-URI http://asc.fasb.org/extlink&oid=35738203&loc=SL6953423-111524

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- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

+ References

No definition available.

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- Definition

Amount of direct write-downs of financing receivables charged against the allowance.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 11B
-Subparagraph (c)(3)
-URI http://asc.fasb.org/extlink&oid=35738203&loc=SL6953423-111524

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- Definition

Amount of expense related loan transactions, lease transactions, credit loss from transactions other than loan and lease transactions, and other loss based on assessment of uncollectability from the counterparty to reduce the account to their net realizable value.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 11B
-Subparagraph (c)(2)
-URI http://asc.fasb.org/extlink&oid=35738203&loc=SL6953423-111524

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 225
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-04.11)
-URI http://asc.fasb.org/extlink&oid=6879574&loc=d3e536633-122882

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 04
-Paragraph 11
-Article 9

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