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.

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Loans, Composition of Loan Portfolio (Details) - USD ($) $ in Thousands	Sep. 30, 2016	Jun. 30, 2016	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Dec. 31, 2014
Composition of Loan Portfolio [Abstract]
Total loans	$ 478,983		$ 461,176
Deferred fees	(1,917)		(1,707)
Total loans, gross	477,066		459,469
Allowance for loan losses	(4,859)	$ (4,838)	(4,636)	$ (4,682)	$ (4,572)	$ (4,387)
Total loans, net	472,207		454,833
One-to Four- Family [Member]
Composition of Loan Portfolio [Abstract]
Total loans	151,992		141,125
Allowance for loan losses	(1,658)	(1,713)	(1,839)	(1,768)	(1,594)	(1,442)
Home Equity [Member]
Composition of Loan Portfolio [Abstract]
Total loans	30,297		31,573
Allowance for loan losses	(424)	(501)	(607)	(519)	(509)	(601)
Commercial and Multifamily [Member]
Composition of Loan Portfolio [Abstract]
Total loans	170,258		175,312
Allowance for loan losses	(1,360)	(1,377)	(921)	(1,341)	(1,507)	(1,244)
Construction and Land [Member]
Composition of Loan Portfolio [Abstract]
Total loans	58,902		57,043
Allowance for loan losses	(373)	(388)	(382)	(117)	(345)	(399)
Manufactured Homes [Member]
Composition of Loan Portfolio [Abstract]
Total loans	15,525		13,798
Allowance for loan losses	(177)	(189)	(301)	(192)	(193)	(193)
Other Consumer [Member]
Composition of Loan Portfolio [Abstract]
Total loans	25,570		23,030
Allowance for loan losses	(198)	(221)	(188)	(169)	(183)	(167)
Real Estate Loans [Member]
Composition of Loan Portfolio [Abstract]
Total loans	411,449		405,053
Real Estate Loans [Member] \| One-to Four- Family [Member]
Composition of Loan Portfolio [Abstract]
Total loans	151,992		141,125
Real Estate Loans [Member] \| Home Equity [Member]
Composition of Loan Portfolio [Abstract]
Total loans	30,297		31,573
Real Estate Loans [Member] \| Commercial and Multifamily [Member]
Composition of Loan Portfolio [Abstract]
Total loans	170,258		175,312
Real Estate Loans [Member] \| Construction and Land [Member]
Composition of Loan Portfolio [Abstract]
Total loans	58,902		57,043
Consumer Loans [Member]
Composition of Loan Portfolio [Abstract]
Total loans	41,095		36,828
Consumer Loans [Member] \| Manufactured Homes [Member]
Composition of Loan Portfolio [Abstract]
Total loans	15,525		13,798
Consumer Loans [Member] \| Other Consumer [Member]
Composition of Loan Portfolio [Abstract]
Total loans	25,570		23,030
Commercial Business Loans [Member]
Composition of Loan Portfolio [Abstract]
Total loans	26,439		19,295
Allowance for loan losses	$ (181)	$ (171)	$ (157)	$ (134)	$ (145)	$ (108)