Loans, Nonaccrual and Past Due Loans (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2016	Dec. 31, 2015
Financing Receivable, Recorded Investment, Past Due [Line Items]
Nonaccrual loans	$ 4,219	$ 1,528
Past Due	2,861	5,027
90 Days and Greater Past Due and Still Accruing	0	117
Current	476,122	456,149
Total loans	$ 478,983	461,176
Maximum [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Period past due for loans to be automatically placed on nonaccrual	90 days
30-59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	$ 673	3,347
60-89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	640	386
90 Days and Greater Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	1,548	1,177
One-to Four- Family [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Nonaccrual loans	1,189	1,157
Past Due	1,436	3,716
90 Days and Greater Past Due and Still Accruing	0	117
Current	150,556	137,409
Total loans	151,992	141,125
One-to Four- Family [Member] | 30-59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	0	2,453
One-to Four- Family [Member] | 60-89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	459	265
One-to Four- Family [Member] | 90 Days and Greater Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	977	881
Home Equity [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Nonaccrual loans	427	344
Past Due	732	708
90 Days and Greater Past Due and Still Accruing	0	0
Current	29,565	30,865
Total loans	30,297	31,573
Home Equity [Member] | 30-59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	348	352
Home Equity [Member] | 60-89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	153	60
Home Equity [Member] | 90 Days and Greater Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	231	296
Commercial and Multifamily [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Nonaccrual loans	2,337	0
Past Due	228	203
90 Days and Greater Past Due and Still Accruing	0	0
Current	170,030	175,109
Total loans	170,258	175,312
Commercial and Multifamily [Member] | 30-59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	0	203
Commercial and Multifamily [Member] | 60-89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	0	0
Commercial and Multifamily [Member] | 90 Days and Greater Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	228	0
Construction and Land [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Nonaccrual loans	0	0
Past Due	0	65
90 Days and Greater Past Due and Still Accruing	0	0
Current	58,902	56,978
Total loans	58,902	57,043
Construction and Land [Member] | 30-59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	0	65
Construction and Land [Member] | 60-89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	0	0
Construction and Land [Member] | 90 Days and Greater Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	0	0
Manufactured Homes [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Nonaccrual loans	112	27
Past Due	289	130
90 Days and Greater Past Due and Still Accruing	0	0
Current	15,236	13,668
Total loans	15,525	13,798
Manufactured Homes [Member] | 30-59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	177	103
Manufactured Homes [Member] | 60-89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	0	27
Manufactured Homes [Member] | 90 Days and Greater Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	112	0
Other Consumer [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Nonaccrual loans	154	0
Past Due	29	43
90 Days and Greater Past Due and Still Accruing	0	0
Current	25,541	22,987
Total loans	25,570	23,030
Other Consumer [Member] | 30-59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	1	17
Other Consumer [Member] | 60-89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	28	26
Other Consumer [Member] | 90 Days and Greater Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	0	0
Commercial Business [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	147	162
90 Days and Greater Past Due and Still Accruing	0	0
Current	26,292	19,133
Total loans	26,439	19,295
Commercial Business [Member] | 30-59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	147	154
Commercial Business [Member] | 60-89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	0	8
Commercial Business [Member] | 90 Days and Greater Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	$ 0	$ 0