Loans and the Allowance for Loan Losses (Details 2) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2012	Dec. 31, 2011
Risk rated loans	$ 242,815	$ 238,053
One-to-four family residential
Risk rated loans	154,832	153,064
All other mortgage loans
Risk rated loans	74,674	72,206
Commercial business loans
Risk rated loans	11,214	10,526
Consumer loans
Risk rated loans	2,095	2,257
One-to-four family residential | Pass (Risk 1-4)
Risk rated loans	147,697	145,061
One-to-four family residential | Special Mention (Risk 5)
Risk rated loans	2,988	2,979
One-to-four family residential | Substandard (Risk 6)
Risk rated loans	4,147	5,024
All other mortgage loans | Pass (Risk 1-4)
Risk rated loans	64,073	61,970
All other mortgage loans | Special Mention (Risk 5)
Risk rated loans	3,907	3,281
All other mortgage loans | Substandard (Risk 6)
Risk rated loans	6,694	6,955
Commercial business loans | Pass (Risk 1-4)
Risk rated loans	11,022	10,268
Commercial business loans | Special Mention (Risk 5)
Risk rated loans	145	166
Commercial business loans | Substandard (Risk 6)
Risk rated loans	47	92
Consumer loans | Pass (Risk 1-4)
Risk rated loans	2,095	2,257
Consumer loans | Special Mention (Risk 5)
Risk rated loans
Consumer loans | Substandard (Risk 6)
Risk rated loans