Loans Receivable and Related Allowance for Loan Losses (Details 6) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning Balance	$ 5,224	$ 4,869
Charge-offs	(567)	(364)
Recoveries	167	49
Provision for loan losses	381	670
Ending Balance	5,205	5,224
Ending ALL balance attributable to loans:
Individually evaluated for impairment	110	790
Collectively evaluated for impairment	5,095	4,434
Total loans:
Individually evaluated for impairment	2,007	6,487
Collectively evaluated for impairment	433,089	378,385
Residential first mortgages [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning Balance	955	923
Charge-offs	(79)	(134)
Recoveries	0	0
Provision for loan losses	553	166
Ending Balance	1,429	955
Ending ALL balance attributable to loans:
Individually evaluated for impairment	29	27
Collectively evaluated for impairment	1,400	928
Total loans:
Individually evaluated for impairment	169	285
Collectively evaluated for impairment	139,136	106,888
Home equity and lines of credit [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning Balance	543	625
Charge-offs	(221)	(72)
Recoveries	30	1
Provision for loan losses	234	(11)
Ending Balance	586	543
Ending ALL balance attributable to loans:
Individually evaluated for impairment	0	0
Collectively evaluated for impairment	586	543
Total loans:
Individually evaluated for impairment	0	0
Collectively evaluated for impairment	87,410	89,106
Commercial real estate [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning Balance	2,338	2,450
Charge-offs	(35)	(2)
Recoveries	88	18
Provision for loan losses	(206)	(128)
Ending Balance	2,185	2,338
Ending ALL balance attributable to loans:
Individually evaluated for impairment	5	268
Collectively evaluated for impairment	2,180	2,070
Total loans:
Individually evaluated for impairment	839	3,529
Collectively evaluated for impairment	128,852	107,281
Commercial business [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning Balance	1,336	822
Charge-offs	(182)	(17)
Recoveries	31	7
Provision for loan losses	(225)	524
Ending Balance	960	1,336
Ending ALL balance attributable to loans:
Individually evaluated for impairment	76	495
Collectively evaluated for impairment	884	841
Total loans:
Individually evaluated for impairment	999	2,673
Collectively evaluated for impairment	70,949	67,512
Consumer [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning Balance	52	49
Charge-offs	(50)	(139)
Recoveries	18	23
Provision for loan losses	25	119
Ending Balance	45	52
Ending ALL balance attributable to loans:
Individually evaluated for impairment	0	0
Collectively evaluated for impairment	45	52
Total loans:
Individually evaluated for impairment	0	0
Collectively evaluated for impairment	$ 6,742	$ 7,598