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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	Jun. 30, 2016	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Dec. 31, 2014	Sep. 30, 2014
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for Loan Losses, Individually Evaluated for Impairment	$ 809		$ 1,011
Allowance for Loan Losses, Collectively Evaluated for Impairment	9,033		8,913
Allowance for Loan Losses, Total	9,842	$ 10,043	9,924	$ 10,467	$ 10,382	$ 10,427
Recorded Investment in Loans, Individually Evaluated for Impairment	16,411		24,431
Recorded Investment in Loans, Collectively Evaluated for Impairment	643,030		591,963
Loans receivable	659,441		616,394
Mortgage loans, one-to-four family
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for Loan Losses, Individually Evaluated for Impairment	71		307
Allowance for Loan Losses, Collectively Evaluated for Impairment	1,143		1,173
Allowance for Loan Losses, Total	1,214	1,323	1,480	1,453	1,596	1,650
Recorded Investment in Loans, Individually Evaluated for Impairment	2,592		4,291
Recorded Investment in Loans, Collectively Evaluated for Impairment	114,463		112,373
Loans receivable	117,055		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	348		376
Allowance for Loan Losses, Total	348	315	392	316	302	387
Recorded Investment in Loans, Individually Evaluated for Impairment	0		4,037
Recorded Investment in Loans, Collectively Evaluated for Impairment	51,672		48,285
Loans receivable	51,672		52,322
Mortgage loans, commercial
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for Loan Losses, Individually Evaluated for Impairment	416		265
Allowance for Loan Losses, Collectively Evaluated for Impairment	3,558		3,800
Allowance for Loan Losses, Total	3,974	4,083	4,065	3,690	3,601	4,836
Recorded Investment in Loans, Individually Evaluated for Impairment	11,581		12,852
Recorded Investment in Loans, Collectively Evaluated for Impairment	283,306		278,364
Loans receivable	294,887		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	635		451
Allowance for Loan Losses, Total	635	542	451	477	475	450
Recorded Investment in Loans, Individually Evaluated for Impairment	0		0
Recorded Investment in Loans, Collectively Evaluated for Impairment	50,851		36,192
Loans receivable	50,851		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	121		123
Allowance for Loan Losses, Total	121	96	123	79	64	52
Recorded Investment in Loans, Individually Evaluated for Impairment	0		0
Recorded Investment in Loans, Collectively Evaluated for Impairment	3,773		3,781
Loans receivable	3,773		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	624		426
Allowance for Loan Losses, Total	624	617	426	222	37	78
Recorded Investment in Loans, Individually Evaluated for Impairment	0		0
Recorded Investment in Loans, Collectively Evaluated for Impairment	16,495		12,200
Loans receivable	16,495		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	387		283
Allowance for Loan Losses, Total	387	409	283	364	129	25
Recorded Investment in Loans, Individually Evaluated for Impairment	0		0
Recorded Investment in Loans, Collectively Evaluated for Impairment	14,089		5,290
Loans receivable	14,089		5,290
Mortgage loans, land
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for Loan Losses, Individually Evaluated for Impairment	56		37
Allowance for Loan Losses, Collectively Evaluated for Impairment	863		984
Allowance for Loan Losses, Total	919	954	1,021	2,429	2,753	1,434
Recorded Investment in Loans, Individually Evaluated for Impairment	1,172		2,305
Recorded Investment in Loans, Collectively Evaluated for Impairment	22,904		23,835
Loans receivable	24,076		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	252		362
Allowance for Loan Losses, Collectively Evaluated for Impairment	709		711
Allowance for Loan Losses, Total	961	1,021	1,073	794	797	879
Recorded Investment in Loans, Individually Evaluated for Impairment	1,035		910
Recorded Investment in Loans, Collectively Evaluated for Impairment	37,447		33,247
Loans receivable	38,482		34,157
Consumer loans, other
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for Loan Losses, Individually Evaluated for Impairment	14		24
Allowance for Loan Losses, Collectively Evaluated for Impairment	143		163
Allowance for Loan Losses, Total	157	162	187	187	190	176
Recorded Investment in Loans, Individually Evaluated for Impairment	31		36
Recorded Investment in Loans, Collectively Evaluated for Impairment	4,459		4,633
Loans receivable	4,490		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	502		423
Allowance for Loan Losses, Total	502	$ 521	423	$ 456	$ 438	$ 460
Recorded Investment in Loans, Individually Evaluated for Impairment	0		0
Recorded Investment in Loans, Collectively Evaluated for Impairment	43,571		33,763
Loans receivable	$ 43,571		$ 33,763

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- Definition

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

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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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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
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-Section 50
-Paragraph 11B
-Subparagraph (g)
-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
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-URI http://asc.fasb.org/extlink&oid=66008989&loc=SL6953423-111524

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