Loans, Credit Quality (Details) - USD ($) $ in Thousands	Sep. 30, 2016	Dec. 31, 2015
Financing Receivable, Recorded Investment [Line Items]
Total loans	$ 478,983	$ 461,176
Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	466,951	447,282
Watch [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	4,642	8,493
Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	1,439	2,872
Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	5,951	2,529
Doubtful [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	0	0
Loss [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	0	0
One-to Four- Family [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	151,992	141,125
One-to Four- Family [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	148,008	136,879
One-to Four- Family [Member] | Watch [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	1,167	1,015
One-to Four- Family [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	1,408	1,409
One-to Four- Family [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	1,409	1,822
One-to Four- Family [Member] | Doubtful [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	0	0
One-to Four- Family [Member] | Loss [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	0	0
Home Equity [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	30,297	31,573
Home Equity [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	29,106	30,310
Home Equity [Member] | Watch [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	537	609
Home Equity [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	0	0
Home Equity [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	654	654
Home Equity [Member] | Doubtful [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	0	0
Home Equity [Member] | Loss [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	0	0
Commercial and Multifamily [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	170,258	175,312
Commercial and Multifamily [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	164,970	169,072
Commercial and Multifamily [Member] | Watch [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	1,943	4,810
Commercial and Multifamily [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	0	1,430
Commercial and Multifamily [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	3,345	0
Commercial and Multifamily [Member] | Doubtful [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	0	0
Commercial and Multifamily [Member] | Loss [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	0	0
Construction and Land [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	58,902	57,043
Construction and Land [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	58,057	55,984
Construction and Land [Member] | Watch [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	845	1,059
Construction and Land [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	0	0
Construction and Land [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	0	0
Construction and Land [Member] | Doubtful [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	0	0
Construction and Land [Member] | Loss [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	0	0
Manufactured Homes [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	15,525	13,798
Manufactured Homes [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	15,277	13,621
Manufactured Homes [Member] | Watch [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	77	96
Manufactured Homes [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	31	33
Manufactured Homes [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	140	48
Manufactured Homes [Member] | Doubtful [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	0	0
Manufactured Homes [Member] | Loss [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	0	0
Other Consumer [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	25,570	23,030
Other Consumer [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	25,496	22,967
Other Consumer [Member] | Watch [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	51	58
Other Consumer [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	0	0
Other Consumer [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	23	5
Other Consumer [Member] | Doubtful [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	0	0
Other Consumer [Member] | Loss [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	0	0
Commercial Business [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	26,439	19,295
Commercial Business [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	26,037	18,449
Commercial Business [Member] | Watch [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	22	846
Commercial Business [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	0	0
Commercial Business [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	380	0
Commercial Business [Member] | Doubtful [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	0	0
Commercial Business [Member] | Loss [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	$ 0	$ 0