Loans Receivable and Related Allowance for Loan Losses (Details 5) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012	Dec. 31, 2012
Beginning Balance	$ 4,670	$ 3,715	$ 5,350	$ 3,536
Charge-offs	(33)	(59)	(1,047)	(247)
Recoveries	7	8	46	147
Provision	143	1,359	438	1,587
Ending Balance	4,787	5,023	4,787	5,023
Ending ALL balance attributable to loans:
Individually evaluated for impairment	230		230		1,448
Collectively evaluated for impairment	4,557		4,557		3,902
Total loans:
Individually evaluated for impairment	5,081		5,081		6,592
Collectively evaluated for impairment	347,435		347,435		332,559
Residential Mortgages [Member]
Beginning Balance	772	852	828	832
Charge-offs	(9)	(13)	(26)	(78)
Recoveries	0	1	1	84
Provision	87	(26)	47	(24)
Ending Balance	850	814	850	814
Ending ALL balance attributable to loans:
Individually evaluated for impairment	21		21		0
Collectively evaluated for impairment	829		829		828
Total loans:
Individually evaluated for impairment	82		82		0
Collectively evaluated for impairment	99,330		99,330		97,246
Home Equity and Lines of Credit [Member]
Beginning Balance	621	468	730	320
Charge-offs	(8)	0	(8)	(40)
Recoveries	0	0	0	27
Provision	1	104	(108)	265
Ending Balance	614	572	614	572
Ending ALL balance attributable to loans:
Individually evaluated for impairment	0		0		0
Collectively evaluated for impairment	614		614		730
Total loans:
Individually evaluated for impairment	0		0		0
Collectively evaluated for impairment	87,763		87,763		85,615
Impaired commercial real estate loans [Member]
Beginning Balance	2,547	1,835	3,090	1,737
Charge-offs	0	0	(941)	(36)
Recoveries	2	1	6	5
Provision	(110)	1,229	284	1,359
Ending Balance	2,439	3,065	2,439	3,065
Ending ALL balance attributable to loans:
Individually evaluated for impairment	209		209		1,448
Collectively evaluated for impairment	2,230		2,230		1,642
Total loans:
Individually evaluated for impairment	3,305		3,305		4,573
Collectively evaluated for impairment	99,774		99,774		94,250
Commercial Loan [Member]
Beginning Balance	677	496	636	590
Charge-offs	0	(5)	0	(14)
Recoveries	0	0	0	15
Provision	154	12	195	(88)
Ending Balance	831	503	831	503
Ending ALL balance attributable to loans:
Individually evaluated for impairment	0		0		0
Collectively evaluated for impairment	831		831		636
Total loans:
Individually evaluated for impairment	346		346		369
Collectively evaluated for impairment	51,963		51,963		45,212
Consumer Loan [Member]
Beginning Balance	53	64	66	57
Charge-offs	(16)	(41)	(72)	(79)
Recoveries	5	6	39	16
Provision	11	40	20	75
Ending Balance	53	69	53	69
Ending ALL balance attributable to loans:
Individually evaluated for impairment	0		0		0
Collectively evaluated for impairment	53		53		66
Total loans:
Individually evaluated for impairment	1,348		1,348		1,650
Collectively evaluated for impairment	$ 8,605		$ 8,605		$ 10,236