Loans, Activity in Allowance for Loan Losses (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Summary of activity in allowance for loan losses [Roll Forward]
Beginning allowance	$ 4,838	$ 4,572	$ 4,636	$ 4,387
Charge-offs	(24)	(18)	(146)	(157)
Recoveries	45	28	119	52
Provision	0	100	250	400
Ending allowance	4,859	4,682	4,859	4,682
One-to Four- Family [Member]
Summary of activity in allowance for loan losses [Roll Forward]
Beginning allowance	1,713	1,594	1,839	1,442
Charge-offs	0	0	(72)	(21)
Recoveries	0	0	0	0
Provision	(55)	174	(109)	347
Ending allowance	1,658	1,768	1,658	1,768
Home Equity [Member]
Summary of activity in allowance for loan losses [Roll Forward]
Beginning allowance	501	509	607	601
Charge-offs	(14)	0	(14)	(19)
Recoveries	10	25	0	35
Provision	(73)	(15)	(169)	(98)
Ending allowance	424	519	424	519
Commercial and Multifamily [Member]
Summary of activity in allowance for loan losses [Roll Forward]
Beginning allowance	1,377	1,507	921	1,244
Charge-offs	0	0	0	0
Recoveries	0	0	0	0
Provision	(17)	(166)	439	97
Ending allowance	1,360	1,341	1,360	1,341
Construction and Land [Member]
Summary of activity in allowance for loan losses [Roll Forward]
Beginning allowance	388	345	382	399
Charge-offs	0	0	0	(40)
Recoveries	18	1	18	1
Provision	(33)	(229)	(27)	(242)
Ending allowance	373	117	373	117
Manufactured Homes [Member]
Summary of activity in allowance for loan losses [Roll Forward]
Beginning allowance	189	193	301	193
Charge-offs	0	0	0	(32)
Recoveries	2	0	75	5
Provision	(14)	(1)	(199)	24
Ending allowance	177	192	177	192
Other Consumer [Member]
Summary of activity in allowance for loan losses [Roll Forward]
Beginning allowance	221	183	188	167
Charge-offs	(10)	(18)	(31)	(45)
Recoveries	15	2	7	11
Provision	(28)	2	34	37
Ending allowance	198	169	198	169
Commercial Business [Member]
Summary of activity in allowance for loan losses [Roll Forward]
Beginning allowance	171	145	157	108
Charge-offs	0	0	(29)	0
Recoveries	0	0	19	0
Provision	10	(11)	34	26
Ending allowance	181	134	181	134
Unallocated [Member]
Summary of activity in allowance for loan losses [Roll Forward]
Beginning allowance	278	96	241	233
Charge-offs	0	0	0	0
Recoveries	0	0	0	0
Provision	210	346	247	209
Ending allowance	$ 488	$ 442	$ 488	$ 442

Amount of recovery of loans and lease receivables which had previously been fully or partially written-off as bad debts.

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- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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Amount of loans and leases that have been written off from both loan receivables and allowance reserve for credit loss.

+ References

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- Definition

Amount of allowance to cover probable credit losses on loans and leases. Includes carryover of or adjustments to the allowance for loan losses in connection with business combinations. Excludes allowance for loans and leases covered under loss sharing agreements.

+ 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 (g)
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Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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- Definition

Amount of expense related to estimated loss from loan and lease transactions.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 225
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