Loans Receivable and Related Allowance for Loan Losses (Details 2) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012
Total Loans	$ 344,680	$ 339,151
Not Rated [Member]
Total Loans	189,562	192,392
Pass [Member]
Total Loans	140,274	131,361
Special Mention [Member]
Total Loans	1,875	3,815
Substandard [Member]
Total Loans	11,698	10,232
Doubtful [Member]
Total Loans	1,271	1,351
Residential First Mortgages [Member]
Total Loans	95,182	97,246
Residential First Mortgages [Member] | Not Rated [Member]
Total Loans	94,717	96,713
Residential First Mortgages [Member] | Pass [Member]
Total Loans	0	0
Residential First Mortgages [Member] | Special Mention [Member]
Total Loans	0	0
Residential First Mortgages [Member] | Substandard [Member]
Total Loans	465	533
Residential First Mortgages [Member] | Doubtful [Member]
Total Loans	0	0
Home equity and lines of credit [Member]
Total Loans	85,546	85,615
Home equity and lines of credit [Member] | Not Rated [Member]
Total Loans	85,404	85,443
Home equity and lines of credit [Member] | Pass [Member]
Total Loans	0	0
Home equity and lines of credit [Member] | Special Mention [Member]
Total Loans	0	0
Home equity and lines of credit [Member] | Substandard [Member]
Total Loans	142	172
Home equity and lines of credit [Member] | Doubtful [Member]
Total Loans	0	0
Commercial Real Estate [Member]
Total Loans	102,386	98,823
Commercial Real Estate [Member] | Not Rated [Member]
Total Loans	0	0
Commercial Real Estate [Member] | Pass [Member]
Total Loans	92,971	88,944
Commercial Real Estate [Member] | Special Mention [Member]
Total Loans	1,164	1,658
Commercial Real Estate [Member] | Substandard [Member]
Total Loans	6,980	6,870
Commercial Real Estate [Member] | Doubtful [Member]
Total Loans	1,271	1,351
Commercial Business [Member]
Total Loans	50,519	45,581
Commercial Business [Member] | Not Rated [Member]
Total Loans	0	0
Commercial Business [Member] | Pass [Member]
Total Loans	47,303	42,417
Commercial Business [Member] | Special Mention [Member]
Total Loans	711	2,157
Commercial Business [Member] | Substandard [Member]
Total Loans	2,505	1,007
Commercial Business [Member] | Doubtful [Member]
Total Loans	0	0
Consumer [Member]
Total Loans	11,047	11,886
Consumer [Member] | Not Rated [Member]
Total Loans	9,441	10,236
Consumer [Member] | Pass [Member]
Total Loans	0	0
Consumer [Member] | Special Mention [Member]
Total Loans	0	0
Consumer [Member] | Substandard [Member]
Total Loans	1,606	1,650
Consumer [Member] | Doubtful [Member]
Total Loans	$ 0	$ 0