Loans and Servicing (Details 6) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2013 grade	Dec. 31, 2012
Loans by risk rating
Total Loans	$ 184,021	$ 181,809
Internal Loan Rating System
Number of grades in internal loan rating system	9
Not formally rated
Loans by risk rating
Total Loans	109,163	110,418
Pass
Loans by risk rating
Total Loans	70,950	66,539
Pass | Minimum of range
Internal Loan Rating System
Grade assigned in internal loan rating system	1
Pass | Maximum of range
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	3,908	4,852
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	109,502	111,106
One- to four- family, residential loans
Loans by risk rating
Total Loans	94,689	95,546
One- to four- family, residential loans | Not formally rated
Loans by risk rating
Total Loans	94,409	94,888
One- to four- family, residential loans | Substandard
Loans by risk rating
Total Loans	280	658
Home equity loans and lines of credit
Loans by risk rating
Total Loans	14,813	15,560
Home equity loans and lines of credit | Not formally rated
Loans by risk rating
Total Loans	14,370	15,116
Home equity loans and lines of credit | Substandard
Loans by risk rating
Total Loans	443	444
Commercial loans:
Loans by risk rating
Total Loans	60,043	58,084
One-to four-family investment property
Loans by risk rating
Total Loans	12,164	11,355
One-to four-family investment property | Pass
Loans by risk rating
Total Loans	12,164	11,355
Multi-family real estate
Loans by risk rating
Total Loans	5,451	5,346
Multi-family real estate | Pass
Loans by risk rating
Total Loans	5,451	5,346
Commercial real estate
Loans by risk rating
Total Loans	34,067	32,730
Commercial real estate | Pass
Loans by risk rating
Total Loans	30,949	29,147
Commercial real estate | Substandard
Loans by risk rating
Total Loans	3,118	3,583
Commercial business
Loans by risk rating
Total Loans	8,361	8,653
Commercial business | Pass
Loans by risk rating
Total Loans	8,294	8,486
Commercial business | Substandard
Loans by risk rating
Total Loans	67	167
Construction loans:
Loans by risk rating
Total Loans	14,092	12,205
One-to four-family, construction loans
Loans by risk rating
Total Loans	6,545	7,379
One-to four-family, construction loans | Pass
Loans by risk rating
Total Loans	6,545	7,379
Multi-family
Loans by risk rating
Total Loans	3,975	3,665
Multi-family | Pass
Loans by risk rating
Total Loans	3,975	3,665
Non-residential
Loans by risk rating
Total Loans	3,572	1,161
Non-residential | Pass
Loans by risk rating
Total Loans	3,572	1,161
Consumer
Loans by risk rating
Total Loans	384	414
Consumer | Not formally rated
Loans by risk rating
Total Loans	$ 384	$ 414