Loans, Credit Quality (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Recorded Investment [Line Items]
Total loans	$ 329,301	$ 302,309
One-to four- family [Member]
Recorded Investment [Line Items]
Total loans	95,784	96,305
Home equity [Member]
Recorded Investment [Line Items]
Total loans	35,364	39,656
Commercial and multifamily [Member]
Recorded Investment [Line Items]
Total loans	133,620	106,016
Construction and land [Member]
Recorded Investment [Line Items]
Total loans	25,458	17,805
Manufactured homes [Member]
Recorded Investment [Line Items]
Total loans	16,232	18,444
Other consumer [Member]
Recorded Investment [Line Items]
Total loans	8,650	10,920
Commercial business [Member]
Recorded Investment [Line Items]
Total loans	14,193	13,163
Real Estate Loans [Member]
Recorded Investment [Line Items]
Total loans	290,226	259,782
Real Estate Loans [Member] | One-to four- family [Member]
Recorded Investment [Line Items]
Total loans	95,784	96,305
Real Estate Loans [Member] | Home equity [Member]
Recorded Investment [Line Items]
Total loans	35,364	39,656
Real Estate Loans [Member] | Commercial and multifamily [Member]
Recorded Investment [Line Items]
Total loans	133,620	106,016
Real Estate Loans [Member] | Construction and land [Member]
Recorded Investment [Line Items]
Total loans	25,458	17,805
Consumer Loans [Member]
Recorded Investment [Line Items]
Total loans	24,882	29,364
Consumer Loans [Member] | Manufactured homes [Member]
Recorded Investment [Line Items]
Total loans	16,232	18,444
Consumer Loans [Member] | Other consumer [Member]
Recorded Investment [Line Items]
Total loans	8,650	10,920
Commercial business [Member]
Recorded Investment [Line Items]
Total loans	14,193	13,163
Internally Assigned Grade [Member]
Recorded Investment [Line Items]
Total loans	329,301	302,309
Internally Assigned Grade [Member] | One-to four- family [Member]
Recorded Investment [Line Items]
Total loans	95,784	96,305
Internally Assigned Grade [Member] | Home equity [Member]
Recorded Investment [Line Items]
Total loans	35,364	39,656
Internally Assigned Grade [Member] | Commercial and multifamily [Member]
Recorded Investment [Line Items]
Total loans	133,620	106,016
Internally Assigned Grade [Member] | Construction and land [Member]
Recorded Investment [Line Items]
Total loans	25,458	17,805
Internally Assigned Grade [Member] | Manufactured homes [Member]
Recorded Investment [Line Items]
Total loans	16,232	18,444
Internally Assigned Grade [Member] | Other consumer [Member]
Recorded Investment [Line Items]
Total loans	8,650	10,920
Internally Assigned Grade [Member] | Commercial business [Member]
Recorded Investment [Line Items]
Total loans	14,193	13,163
Internally Assigned Grade [Member] | Pass [Member]
Recorded Investment [Line Items]
Total loans	306,264	254,324
Internally Assigned Grade [Member] | Pass [Member] | One-to four- family [Member]
Recorded Investment [Line Items]
Total loans	84,685	70,392
Internally Assigned Grade [Member] | Pass [Member] | Home equity [Member]
Recorded Investment [Line Items]
Total loans	30,927	31,943
Internally Assigned Grade [Member] | Pass [Member] | Commercial and multifamily [Member]
Recorded Investment [Line Items]
Total loans	130,721	100,002
Internally Assigned Grade [Member] | Pass [Member] | Construction and land [Member]
Recorded Investment [Line Items]
Total loans	24,641	16,087
Internally Assigned Grade [Member] | Pass [Member] | Manufactured homes [Member]
Recorded Investment [Line Items]
Total loans	14,898	16,062
Internally Assigned Grade [Member] | Pass [Member] | Other consumer [Member]
Recorded Investment [Line Items]
Total loans	8,102	9,507
Internally Assigned Grade [Member] | Pass [Member] | Commercial business [Member]
Recorded Investment [Line Items]
Total loans	12,290	10,331
Internally Assigned Grade [Member] | Watch [Member]
Recorded Investment [Line Items]
Total loans	15,563	35,009
Internally Assigned Grade [Member] | Watch [Member] | One-to four- family [Member]
Recorded Investment [Line Items]
Total loans	8,279	18,088
Internally Assigned Grade [Member] | Watch [Member] | Home equity [Member]
Recorded Investment [Line Items]
Total loans	3,064	6,138
Internally Assigned Grade [Member] | Watch [Member] | Commercial and multifamily [Member]
Recorded Investment [Line Items]
Total loans	954	4,048
Internally Assigned Grade [Member] | Watch [Member] | Construction and land [Member]
Recorded Investment [Line Items]
Total loans	347	778
Internally Assigned Grade [Member] | Watch [Member] | Manufactured homes [Member]
Recorded Investment [Line Items]
Total loans	1,312	2,260
Internally Assigned Grade [Member] | Watch [Member] | Other consumer [Member]
Recorded Investment [Line Items]
Total loans	520	1,312
Internally Assigned Grade [Member] | Watch [Member] | Commercial business [Member]
Recorded Investment [Line Items]
Total loans	1,087	2,385
Internally Assigned Grade [Member] | Special Mention [Member]
Recorded Investment [Line Items]
Total loans	1,584	1,703
Internally Assigned Grade [Member] | Special Mention [Member] | One-to four- family [Member]
Recorded Investment [Line Items]
Total loans	490	1,505
Internally Assigned Grade [Member] | Special Mention [Member] | Home equity [Member]
Recorded Investment [Line Items]
Total loans	499	183
Internally Assigned Grade [Member] | Special Mention [Member] | Commercial and multifamily [Member]
Recorded Investment [Line Items]
Total loans	595	0
Internally Assigned Grade [Member] | Special Mention [Member] | Construction and land [Member]
Recorded Investment [Line Items]
Total loans	0	0
Internally Assigned Grade [Member] | Special Mention [Member] | Manufactured homes [Member]
Recorded Investment [Line Items]
Total loans	0	0
Internally Assigned Grade [Member] | Special Mention [Member] | Other consumer [Member]
Recorded Investment [Line Items]
Total loans	0	4
Internally Assigned Grade [Member] | Special Mention [Member] | Commercial business [Member]
Recorded Investment [Line Items]
Total loans	0	11
Internally Assigned Grade [Member] | Substandard [Member]
Recorded Investment [Line Items]
Total loans	5,890	11,273
Internally Assigned Grade [Member] | Substandard [Member] | One-to four- family [Member]
Recorded Investment [Line Items]
Total loans	2,329	6,320
Internally Assigned Grade [Member] | Substandard [Member] | Home equity [Member]
Recorded Investment [Line Items]
Total loans	874	1,392
Internally Assigned Grade [Member] | Substandard [Member] | Commercial and multifamily [Member]
Recorded Investment [Line Items]
Total loans	1,350	1,966
Internally Assigned Grade [Member] | Substandard [Member] | Construction and land [Member]
Recorded Investment [Line Items]
Total loans	471	940
Internally Assigned Grade [Member] | Substandard [Member] | Manufactured homes [Member]
Recorded Investment [Line Items]
Total loans	23	122
Internally Assigned Grade [Member] | Substandard [Member] | Other consumer [Member]
Recorded Investment [Line Items]
Total loans	28	97
Internally Assigned Grade [Member] | Substandard [Member] | Commercial business [Member]
Recorded Investment [Line Items]
Total loans	815	436
Internally Assigned Grade [Member] | Doubtful [Member]
Recorded Investment [Line Items]
Total loans	0	0
Internally Assigned Grade [Member] | Doubtful [Member] | One-to four- family [Member]
Recorded Investment [Line Items]
Total loans	0	0
Internally Assigned Grade [Member] | Doubtful [Member] | Home equity [Member]
Recorded Investment [Line Items]
Total loans	0	0
Internally Assigned Grade [Member] | Doubtful [Member] | Commercial and multifamily [Member]
Recorded Investment [Line Items]
Total loans	0	0
Internally Assigned Grade [Member] | Doubtful [Member] | Construction and land [Member]
Recorded Investment [Line Items]
Total loans	0	0
Internally Assigned Grade [Member] | Doubtful [Member] | Manufactured homes [Member]
Recorded Investment [Line Items]
Total loans	0	0
Internally Assigned Grade [Member] | Doubtful [Member] | Other consumer [Member]
Recorded Investment [Line Items]
Total loans	0	0
Internally Assigned Grade [Member] | Doubtful [Member] | Commercial business [Member]
Recorded Investment [Line Items]
Total loans	0	0
Internally Assigned Grade [Member] | Loss [Member]
Recorded Investment [Line Items]
Total loans	0	0
Internally Assigned Grade [Member] | Loss [Member] | One-to four- family [Member]
Recorded Investment [Line Items]
Total loans	0	0
Internally Assigned Grade [Member] | Loss [Member] | Home equity [Member]
Recorded Investment [Line Items]
Total loans	0	0
Internally Assigned Grade [Member] | Loss [Member] | Commercial and multifamily [Member]
Recorded Investment [Line Items]
Total loans	0	0
Internally Assigned Grade [Member] | Loss [Member] | Construction and land [Member]
Recorded Investment [Line Items]
Total loans	0	0
Internally Assigned Grade [Member] | Loss [Member] | Manufactured homes [Member]
Recorded Investment [Line Items]
Total loans	0	0
Internally Assigned Grade [Member] | Loss [Member] | Other consumer [Member]
Recorded Investment [Line Items]
Total loans	0	0
Internally Assigned Grade [Member] | Loss [Member] | Commercial business [Member]
Recorded Investment [Line Items]
Total loans	$ 0	$ 0