Loans Receivable and Related Allowance for Loan Losses (Details 5) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011	Dec. 31, 2011
Beginning Balance	$ 3,715	$ 3,562	$ 3,536	$ 4,132
Charge-offs	(59)	(126)	(247)	(977)
Recoveries	8	9	147	50
Provision	1,359	80	1,587	320
Ending Balance	5,023	3,525	5,023	3,525
Ending ALL balance attributable to loans:
Individually evaluated for impairment	1,579		1,579		164
Collectively evaluated for impairment	3,444		3,444		3,372
Total loans:
Individually evaluated for impairment	6,747		6,747		4,043
Collectively evaluated for impairment	329,707		329,707		312,038
Residential First Mortgages [Member]
Beginning Balance	852	493	832	398
Charge-offs	(13)	(39)	(78)	(220)
Recoveries	1	0	84	0
Provision	(26)	360	(24)	636
Ending Balance	814	814	814	814
Ending ALL balance attributable to loans:
Individually evaluated for impairment	0		0		0
Collectively evaluated for impairment	814		814		832
Total loans:
Individually evaluated for impairment	0		0		0
Collectively evaluated for impairment	96,031		96,031		93,610
Home Equity [Member]
Beginning Balance	468	207	320	572
Charge-offs	0	(34)	(40)	(161)
Recoveries	0	1	27	1
Provision	104	150	265	(88)
Ending Balance	572	324	572	324
Ending ALL balance attributable to loans:
Individually evaluated for impairment	0		0		0
Collectively evaluated for impairment	572		572		320
Total loans:
Individually evaluated for impairment	0		0		0
Collectively evaluated for impairment	80,635		80,635		71,238
Commercial Real Estate [Member]
Beginning Balance	1,835	1,653	1,737	1,707
Charge-offs	0	0	(36)	(200)
Recoveries	1	0	5	0
Provision	1,229	30	1,359	176
Ending Balance	3,065	1,683	3,065	1,683
Ending ALL balance attributable to loans:
Individually evaluated for impairment	1,579		1,579		22
Collectively evaluated for impairment	1,486		1,486		1,715
Total loans:
Individually evaluated for impairment	4,661		4,661		1,678
Collectively evaluated for impairment	92,125		92,125		93,087
Commercial Loan [Member]
Beginning Balance	496	1,166	590	1,323
Charge-offs	(5)	(37)	(14)	(355)
Recoveries	0	5	15	40
Provision	12	(489)	(88)	(363)
Ending Balance	503	645	503	645
Ending ALL balance attributable to loans:
Individually evaluated for impairment	0		0		142
Collectively evaluated for impairment	503		503		448
Total loans:
Individually evaluated for impairment	374		374		460
Collectively evaluated for impairment	50,417		50,417		43,366
Consumer Loan [Member]
Beginning Balance	64	43	57	132
Charge-offs	(41)	(16)	(79)	(41)
Recoveries	6	3	16	9
Provision	40	29	75	(41)
Ending Balance	69	59	69	59
Ending ALL balance attributable to loans:
Individually evaluated for impairment	0		0		0
Collectively evaluated for impairment	69		69		57
Total loans:
Individually evaluated for impairment	1,712		1,712		1,905
Collectively evaluated for impairment	$ 10,499		$ 10,499		$ 10,737