Loans Receivable and Related Allowance for Loan Losses (Details 4) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2015	Dec. 31, 2014
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Loans	$ 7,242	$ 6,848
Residential first mortgages [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Loans	1,087	647
Home equity and lines of credit [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Loans	514	407
Commercial real estate [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Loans	3,323	3,417
Commercial business [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Loans	2,318	2,377
Consumer [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Loans	0	0
Not Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Loans	5,121	5,315
Not Past Due [Member] | Residential first mortgages [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Loans	188	283
Not Past Due [Member] | Home equity and lines of credit [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Loans	32	33
Not Past Due [Member] | Commercial real estate [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Loans	2,765	2,848
Not Past Due [Member] | Commercial business [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Loans	2,136	2,151
Not Past Due [Member] | Consumer [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Loans	0	0
30-59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Loans	187	18
30-59 Days Past Due [Member] | Residential first mortgages [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Loans	170	0
30-59 Days Past Due [Member] | Home equity and lines of credit [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Loans	17	18
30-59 Days Past Due [Member] | Commercial real estate [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Loans	0	0
30-59 Days Past Due [Member] | Commercial business [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Loans	0	0
30-59 Days Past Due [Member] | Consumer [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Loans	0	0
60-89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Loans	0	268
60-89 Days Past Due [Member] | Residential first mortgages [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Loans	0	80
60-89 Days Past Due [Member] | Home equity and lines of credit [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Loans	0	0
60-89 Days Past Due [Member] | Commercial real estate [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Loans	0	0
60-89 Days Past Due [Member] | Commercial business [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Loans	0	188
60-89 Days Past Due [Member] | Consumer [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Loans	0	0
90 Days + Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Loans	1,934	1,247
90 Days + Past Due [Member] | Residential first mortgages [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Loans	729	284
90 Days + Past Due [Member] | Home equity and lines of credit [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Loans	465	356
90 Days + Past Due [Member] | Commercial real estate [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Loans	558	569
90 Days + Past Due [Member] | Commercial business [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Loans	182	38
90 Days + Past Due [Member] | Consumer [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Loans	$ 0	$ 0