Loans and the Allowance for Loan Losses (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Beginning balance	$ 4,574	$ 3,203	$ 3,854	$ 3,065
Provision Charged to expense	(394)	70	393	192
Losses Charged Off	(624)	(53)	(694)	(53)
Recoveries	36	1	39	17
Total allowance for loan losses	3,592	3,221	3,592	3,221
One-to-four family residential
Beginning balance	1,251	1,073	1,128	1,199
Provision Charged to expense	(182)	55	3	(72)
Losses Charged Off	(23)	(53)	(88)	(53)
Recoveries	36	1	39	2
Total allowance for loan losses	1,082	1,076	1,082	1,076
All other mortgage loans
Beginning balance	3,140	1,967	2,547	1,603
Provision Charged to expense	(181)	(127)	417	222
Losses Charged Off	(597)		(602)
Recoveries				15
Total allowance for loan losses	2,362	1,840	2,362	1,840
Commercial business loans
Beginning balance	174	158	169	253
Provision Charged to expense	(31)	137	(26)	42
Losses Charged Off
Recoveries
Total allowance for loan losses	143	295	143	295
Consumer loans
Beginning balance	9	5	10	8
Provision Charged to expense		5	(1)	2
Losses Charged Off	(4)		(4)
Recoveries
Total allowance for loan losses	5	10	5	10
Unallocated
Beginning balance				2
Provision Charged to expense				(2)
Losses Charged Off
Recoveries
Total allowance for loan losses