Loans Receivable and Related Allowance for Loan Losses (Details 5) (USD $) In Thousands, unless otherwise specified	3 Months Ended
Mar. 31, 2015	Mar. 31, 2014	Dec. 31, 2014
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning Balance	$ 5,224	$ 4,869
Charge-offs	(90)	(132)
Recoveries	37	21
Provision	169us-gaap_ProvisionForLoanAndLeaseLosses	163us-gaap_ProvisionForLoanAndLeaseLosses
Ending Balance	5,340	4,921
Ending ALL balance attributable to loans:
Individually evaluated for impairment	785		790
Collectively evaluated for impairment	4,555		4,434
Total loans:
Individually evaluated for impairment	6,309		6,487
Collectively evaluated for impairment	375,210		378,385
Residential first mortgages [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning Balance	955	923
Charge-offs	(4)	(78)
Recoveries	0	0
Provision	137	91
Ending Balance	1,088	936
Ending ALL balance attributable to loans:
Individually evaluated for impairment	27		27
Collectively evaluated for impairment	1,061		928
Total loans:
Individually evaluated for impairment	281		285
Collectively evaluated for impairment	105,970		106,888
Home equity and lines of credit [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning Balance	543	625
Charge-offs	(64)	0
Recoveries	4	0
Provision	128	(6)
Ending Balance	611	619
Ending ALL balance attributable to loans:
Individually evaluated for impairment	0		0
Collectively evaluated for impairment	611		543
Total loans:
Individually evaluated for impairment	0		0
Collectively evaluated for impairment	87,761		89,106
Commercial real estate [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning Balance	2,338	2,450
Charge-offs	0	(2)
Recoveries	5	5
Provision	(110)	(232)
Ending Balance	2,233	2,221
Ending ALL balance attributable to loans:
Individually evaluated for impairment	252		268
Collectively evaluated for impairment	1,981		2,070
Total loans:
Individually evaluated for impairment	3,418		3,529
Collectively evaluated for impairment	108,989		107,281
Commercial business [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning Balance	1,336	822
Charge-offs	0	(17)
Recoveries	20	7
Provision	4	282
Ending Balance	1,360	1,094
Ending ALL balance attributable to loans:
Individually evaluated for impairment	506		495
Collectively evaluated for impairment	854		841
Total loans:
Individually evaluated for impairment	2,610		2,673
Collectively evaluated for impairment	65,462		67,512
Consumer [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning Balance	52	49
Charge-offs	(22)	(35)
Recoveries	8	9
Provision	10	28
Ending Balance	48	51
Ending ALL balance attributable to loans:
Individually evaluated for impairment	0		0
Collectively evaluated for impairment	48		52
Total loans:
Individually evaluated for impairment	0		0
Collectively evaluated for impairment	$ 7,028		$ 7,598

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A valuation allowance for financing receivables that are expected to be uncollectible.

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Amount of valuation allowance for financing receivables that are expected to be uncollectible that were individually evaluated for impairment.

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Amount of recovery of financing receivables doubtful of collection that were previously charged off.

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Amount of direct write-downs of financing receivables charged against the allowance.

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The balance of financing receivables that were collectively evaluated for impairment.

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Amount of expense related to estimated loss from loan and lease transactions.

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