Loans and Servicing (Details 6) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014 grade	Dec. 31, 2013
Loans by risk rating
Total loans	$ 233,143	$ 225,868
Internal Loan Rating System
Number of grades in internal loan rating system	9
Not formally rated
Loans by risk rating
Total loans	99,097	107,537
Pass
Loans by risk rating
Total loans	132,156	115,239
Pass | Minimum
Internal Loan Rating System
Grade assigned in internal loan rating system	1
Pass | Maximum
Internal Loan Rating System
Grade assigned in internal loan rating system	5
Special mention
Internal Loan Rating System
Grade assigned in internal loan rating system	6
Substandard
Loans by risk rating
Total loans	1,890	3,092
Internal Loan Rating System
Grade assigned in internal loan rating system	7
Doubtful
Internal Loan Rating System
Grade assigned in internal loan rating system	8
Loss
Internal Loan Rating System
Grade assigned in internal loan rating system	9
Residential loans:
Loans by risk rating
Total loans	100,698	107,849
One- to four- family, residential loans
Loans by risk rating
Total loans	84,199	92,450
One- to four- family, residential loans | Not formally rated
Loans by risk rating
Total loans	82,311	92,129
One- to four- family, residential loans | Substandard
Loans by risk rating
Total loans	1,888	321
Home equity loans and lines of credit
Loans by risk rating
Total loans	16,499	15,399
Home equity loans and lines of credit | Not formally rated
Loans by risk rating
Total loans	16,499	15,000
Home equity loans and lines of credit | Substandard
Loans by risk rating
Total loans		399
Commercial loans:
Loans by risk rating
Total loans	103,430	96,504
One-to-four family investment property
Loans by risk rating
Total loans	8,345	11,089
One-to-four family investment property | Pass
Loans by risk rating
Total loans	8,345	11,089
Multi-family real estate
Loans by risk rating
Total loans	15,020	14,462
Multi-family real estate | Pass
Loans by risk rating
Total loans	15,020	14,462
Commercial real estate
Loans by risk rating
Total loans	62,227	54,272
Commercial real estate | Pass
Loans by risk rating
Total loans	62,227	51,900
Commercial real estate | Substandard
Loans by risk rating
Total loans		2,372
Commercial business
Loans by risk rating
Total loans	17,838	16,681
Commercial business | Pass
Loans by risk rating
Total loans	17,838	16,681
Construction loans:
Loans by risk rating
Total loans	28,726	21,107
One-to-four family, construction loans
Loans by risk rating
Total loans	13,056	9,848
One-to-four family, construction loans | Pass
Loans by risk rating
Total loans	13,056	9,848
Multi-family
Loans by risk rating
Total loans	10,842	7,304
Multi-family | Pass
Loans by risk rating
Total loans	10,842	7,304
Non-residential
Loans by risk rating
Total loans	4,828	3,955
Non-residential | Pass
Loans by risk rating
Total loans	4,828	3,955
Consumer
Loans by risk rating
Total loans	289	408
Consumer | Not formally rated
Loans by risk rating
Total loans	287	408
Consumer | Substandard
Loans by risk rating
Total loans	$ 2