Loans Receivable and Related Allowance for Loan Losses (Details 5) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012	Dec. 31, 2012
Beginning Balance	$ 5,488	$ 3,642	$ 5,350	$ 3,536
Charge-offs	(978)	(76)	(1,014)	(188)
Recoveries	7	34	39	139
Provision	153	115	295	228
Ending Balance	4,670	3,715	4,670	3,715
Ending ALL balance attributable to loans:
Individually evaluated for impairment	234		234		1,448
Collectively evaluated for impairment	4,436		4,436		3,902
Total loans:
Individually evaluated for impairment	5,171		5,171		6,592
Collectively evaluated for impairment	333,790		333,790		332,559
Residential Mortgages [Member]
Beginning Balance	807	856	828	832
Charge-offs	(12)	(15)	(17)	(65)
Recoveries	0	7	1	83
Provision	(23)	4	(40)	2
Ending Balance	772	852	772	852
Ending ALL balance attributable to loans:
Individually evaluated for impairment	20		20		0
Collectively evaluated for impairment	752		752		828
Total loans:
Individually evaluated for impairment	81		81		0
Collectively evaluated for impairment	93,257		93,257		97,246
Home Equity and Lines of Credit [Member]
Beginning Balance	727	413	730	320
Charge-offs	0	(4)	0	(40)
Recoveries	0	20	0	27
Provision	(106)	39	(109)	161
Ending Balance	621	468	621	468
Ending ALL balance attributable to loans:
Individually evaluated for impairment	0		0		0
Collectively evaluated for impairment	621		621		730
Total loans:
Individually evaluated for impairment	0		0		0
Collectively evaluated for impairment	86,774		86,774		85,615
Impaired commercial real estate loans [Member]
Beginning Balance	3,189	1,723	3,090	1,737
Charge-offs	(941)	(36)	(941)	(36)
Recoveries	2	2	4	4
Provision	297	146	394	130
Ending Balance	2,547	1,835	2,547	1,835
Ending ALL balance attributable to loans:
Individually evaluated for impairment	214		214		1,448
Collectively evaluated for impairment	2,333		2,333		1,642
Total loans:
Individually evaluated for impairment	3,386		3,386		4,573
Collectively evaluated for impairment	93,782		93,782		94,250
Commercial Loan [Member]
Beginning Balance	702	586	636	590
Charge-offs	0	(10)	0	(10)
Recoveries	0	0	0	15
Provision	(25)	(80)	41	(99)
Ending Balance	677	496	677	496
Ending ALL balance attributable to loans:
Individually evaluated for impairment	0		0		0
Collectively evaluated for impairment	677		677		636
Total loans:
Individually evaluated for impairment	356		356		369
Collectively evaluated for impairment	50,981		50,981		45,212
Consumer Loan [Member]
Beginning Balance	63	64	66	57
Charge-offs	(25)	(11)	(56)	(37)
Recoveries	5	5	34	10
Provision	10	6	9	34
Ending Balance	53	64	53	64
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	$ 8,996		$ 8,996		$ 10,236