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Loans Receivable And Allowance For Loan Losses: Schedule of loans evaluated individually for impairment and collectively evaluated for impairment in the allowance for loan losses (Details) - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015	Sep. 30, 2015	Mar. 31, 2015	Dec. 31, 2014	Sep. 30, 2014
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for Loan Losses, Individually Evaluated for Impairment	$ 864		$ 1,011
Allowance for Loan Losses, Collectively Evaluated for Impairment	9,179		8,913
Allowance for Loan Losses, Total	10,043	$ 9,889	9,924	$ 10,382	$ 10,322	$ 10,427
Recorded Investment in Loans, Individually Evaluated for Impairment	17,140		24,431
Recorded Investment in Loans, Collectively Evaluated for Impairment	617,802		591,963
Loans receivable	634,942		616,394
Mortgage loans, one-to-four family
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for Loan Losses, Individually Evaluated for Impairment	120		307
Allowance for Loan Losses, Collectively Evaluated for Impairment	1,203		1,173
Allowance for Loan Losses, Total	1,323	1,420	1,480	1,596	1,504	1,650
Recorded Investment in Loans, Individually Evaluated for Impairment	2,930		4,291
Recorded Investment in Loans, Collectively Evaluated for Impairment	114,535		112,373
Loans receivable	117,465		116,664
Mortgage loans, multi-family
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for Loan Losses, Individually Evaluated for Impairment	0		16
Allowance for Loan Losses, Collectively Evaluated for Impairment	315		376
Allowance for Loan Losses, Total	315	373	392	302	368	387
Recorded Investment in Loans, Individually Evaluated for Impairment	0		4,037
Recorded Investment in Loans, Collectively Evaluated for Impairment	42,666		48,285
Loans receivable	42,666		52,322
Mortgage loans, commercial
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for Loan Losses, Individually Evaluated for Impairment	412		265
Allowance for Loan Losses, Collectively Evaluated for Impairment	3,671		3,800
Allowance for Loan Losses, Total	4,083	3,898	4,065	3,601	3,646	4,836
Recorded Investment in Loans, Individually Evaluated for Impairment	11,977		12,852
Recorded Investment in Loans, Collectively Evaluated for Impairment	278,840		278,364
Loans receivable	290,817		291,216
Mortgage loans, construction - custom and owner/builder
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for Loan Losses, Individually Evaluated for Impairment	0		0
Allowance for Loan Losses, Collectively Evaluated for Impairment	542		451
Allowance for Loan Losses, Total	542	555	451	475	460	450
Recorded Investment in Loans, Individually Evaluated for Impairment	0		0
Recorded Investment in Loans, Collectively Evaluated for Impairment	41,312		36,192
Loans receivable	41,312		36,192
Mortgage loans, construction - speculative one-to-four family
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for Loan Losses, Individually Evaluated for Impairment	0		0
Allowance for Loan Losses, Collectively Evaluated for Impairment	96		123
Allowance for Loan Losses, Total	96	122	123	64	50	52
Recorded Investment in Loans, Individually Evaluated for Impairment	0		0
Recorded Investment in Loans, Collectively Evaluated for Impairment	2,956		3,781
Loans receivable	2,956		3,781
Mortgage loans, construction – commercial
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for Loan Losses, Individually Evaluated for Impairment	0		0
Allowance for Loan Losses, Collectively Evaluated for Impairment	617		426
Allowance for Loan Losses, Total	617	486	426	37	28	78
Recorded Investment in Loans, Individually Evaluated for Impairment	0		0
Recorded Investment in Loans, Collectively Evaluated for Impairment	16,902		12,200
Loans receivable	16,902		12,200
Mortgage loans, construction - Multi-family
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for Loan Losses, Individually Evaluated for Impairment	0		0
Allowance for Loan Losses, Collectively Evaluated for Impairment	409		283
Allowance for Loan Losses, Total	409	336	283	129	75	25
Recorded Investment in Loans, Individually Evaluated for Impairment	0		0
Recorded Investment in Loans, Collectively Evaluated for Impairment	13,623		5,290
Loans receivable	13,623		5,290
Mortgage loans, land
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for Loan Losses, Individually Evaluated for Impairment	57		37
Allowance for Loan Losses, Collectively Evaluated for Impairment	897		984
Allowance for Loan Losses, Total	954	923	1,021	2,753	2,817	1,434
Recorded Investment in Loans, Individually Evaluated for Impairment	1,185		2,305
Recorded Investment in Loans, Collectively Evaluated for Impairment	23,137		23,835
Loans receivable	24,322		26,140
Consumer loans, home equity and second mortgage
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for Loan Losses, Individually Evaluated for Impairment	259		362
Allowance for Loan Losses, Collectively Evaluated for Impairment	762		711
Allowance for Loan Losses, Total	1,021	1,102	1,073	797	801	879
Recorded Investment in Loans, Individually Evaluated for Impairment	1,015		910
Recorded Investment in Loans, Collectively Evaluated for Impairment	36,129		33,247
Loans receivable	37,144		34,157
Consumer loans, other
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for Loan Losses, Individually Evaluated for Impairment	16		24
Allowance for Loan Losses, Collectively Evaluated for Impairment	146		163
Allowance for Loan Losses, Total	162	161	187	190	159	176
Recorded Investment in Loans, Individually Evaluated for Impairment	33		36
Recorded Investment in Loans, Collectively Evaluated for Impairment	4,347		4,633
Loans receivable	4,380		4,669
Commercial business loans
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for Loan Losses, Individually Evaluated for Impairment	0		0
Allowance for Loan Losses, Collectively Evaluated for Impairment	521		423
Allowance for Loan Losses, Total	521	$ 513	423	$ 438	$ 414	$ 460
Recorded Investment in Loans, Individually Evaluated for Impairment	0		0
Recorded Investment in Loans, Collectively Evaluated for Impairment	43,355		33,763
Loans receivable	$ 43,355		$ 33,763

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- Definition

Loans Receivable, Including Loans Held-For-Sale and Loans in Process, Gross

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No definition available.

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- 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=66008989&loc=SL6953423-111524

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+ 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 (g)
-URI http://asc.fasb.org/extlink&oid=66008989&loc=SL6953423-111524

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+ 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 (g)
-URI http://asc.fasb.org/extlink&oid=66008989&loc=SL6953423-111524

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- Definition

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 11B
-Subparagraph (h)
-URI http://asc.fasb.org/extlink&oid=66008989&loc=SL6953423-111524

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-Publisher FASB
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-Topic 310
-SubTopic 10
-Section 50
-Paragraph 11B
-Subparagraph (h)
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