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, unless otherwise specified	Jun. 30, 2013	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Dec. 31, 2011	Sep. 30, 2011
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for Loan Losses, Individually Evaluated for Impairment	$ 2,886		$ 2,902
Allowance for Loan Losses, Collectively Evaluated for Impairment	8,240		8,923
Allowance for Loan Losses, Total	11,126	11,313	11,825	11,603	12,264	11,946
Recorded Investment in Loans, Individually Evaluated for Impairment	36,745		40,805
Recorded Investment in Loans, Collectively Evaluated for Impairment	521,339		511,270
Loans receivable	558,084		552,075
Mortgage loans, one-to-four family
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for Loan Losses, Individually Evaluated for Impairment	947		678
Allowance for Loan Losses, Collectively Evaluated for Impairment	916		880
Allowance for Loan Losses, Total	1,863	1,846	1,558	832	931	760
Recorded Investment in Loans, Individually Evaluated for Impairment	8,013		5,282
Recorded Investment in Loans, Collectively Evaluated for Impairment	96,771		101,697
Loans receivable	104,784		106,979
Mortgage loans, multi-family
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for Loan Losses, Individually Evaluated for Impairment	396		711
Allowance for Loan Losses, Collectively Evaluated for Impairment	418		445
Allowance for Loan Losses, Total	814	815	1,156	1,172	1,288	1,076
Recorded Investment in Loans, Individually Evaluated for Impairment	6,222		6,879
Recorded Investment in Loans, Collectively Evaluated for Impairment	42,559		40,642
Loans receivable	48,781		47,521
Mortgage loans, construction - speculative one-to-four family
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for Loan Losses, Individually Evaluated for Impairment	82		109
Allowance for Loan Losses, Collectively Evaluated for Impairment	1		19
Allowance for Loan Losses, Total	83	141	128	107	171	169
Recorded Investment in Loans, Individually Evaluated for Impairment	692		1,027
Recorded Investment in Loans, Collectively Evaluated for Impairment	26		495
Loans receivable	718		1,522
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	90		429
Allowance for Loan Losses, Total	90	85	429	378	861	794
Recorded Investment in Loans, Individually Evaluated for Impairment	0		0
Recorded Investment in Loans, Collectively Evaluated for Impairment	3,589		17,157
Loans receivable	3,589		17,157
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	0		0
Allowance for Loan Losses, Total	0		0	0	504	354
Recorded Investment in Loans, Individually Evaluated for Impairment	289		345
Recorded Investment in Loans, Collectively Evaluated for Impairment	0		0
Loans receivable	289		345
Mortgage loans, construction - land development
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	0		0
Allowance for Loan Losses, Total	0	12	0	0	95	79
Recorded Investment in Loans, Individually Evaluated for Impairment	516		589
Recorded Investment in Loans, Collectively Evaluated for Impairment	0		0
Loans receivable	516		589
Mortgage loans, land
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for Loan Losses, Individually Evaluated for Impairment	254		686
Allowance for Loan Losses, Collectively Evaluated for Impairment	1,712		1,706
Allowance for Loan Losses, Total	1,966	2,197	2,392	2,618	2,737	2,795
Recorded Investment in Loans, Individually Evaluated for Impairment	2,558		8,613
Recorded Investment in Loans, Collectively Evaluated for Impairment	29,115		31,042
Loans receivable	31,673		39,655
Consumer loans, home equity and second mortgage
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for Loan Losses, Individually Evaluated for Impairment	38		36
Allowance for Loan Losses, Collectively Evaluated for Impairment	746		723
Allowance for Loan Losses, Total	784	781	759	522	431	460
Recorded Investment in Loans, Individually Evaluated for Impairment	530		562
Recorded Investment in Loans, Collectively Evaluated for Impairment	31,406		32,252
Loans receivable	31,936		32,814
Consumer loans, other
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	233		254
Allowance for Loan Losses, Total	233	239	254	364	353	415
Recorded Investment in Loans, Individually Evaluated for Impairment	6		7
Recorded Investment in Loans, Collectively Evaluated for Impairment	6,007		6,176
Loans receivable	6,013		6,183
Mortgage loans, commercial
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for Loan Losses, Individually Evaluated for Impairment	1,169		667
Allowance for Loan Losses, Collectively Evaluated for Impairment	3,499		3,580
Allowance for Loan Losses, Total	4,668	4,497	4,247	4,553	3,737	4,035
Recorded Investment in Loans, Individually Evaluated for Impairment	17,846		17,192
Recorded Investment in Loans, Collectively Evaluated for Impairment	272,394		239,062
Loans receivable	290,240		256,254
Mortgage loans, construction - custom and owner/builder
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for Loan Losses, Individually Evaluated for Impairment	0		15
Allowance for Loan Losses, Collectively Evaluated for Impairment	229		371
Allowance for Loan Losses, Total	229	284	386	427	267	222
Recorded Investment in Loans, Individually Evaluated for Impairment	73		309
Recorded Investment in Loans, Collectively Evaluated for Impairment	19,915		20,159
Loans receivable	19,988		20,468
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	396		516
Allowance for Loan Losses, Total	396	416	516	630	889	787
Recorded Investment in Loans, Individually Evaluated for Impairment	0		0
Recorded Investment in Loans, Collectively Evaluated for Impairment	19,557		22,588
Loans receivable	$ 19,557		$ 22,588