Credit Quality of Loans and Allowance for Loan Losses (Details 3) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2013	Dec. 31, 2012
Non-accrual loans	$ 4,228	$ 5,256
One-to-four family residential
Non-accrual loans	2,316	2,097
Nonresidential real estate and land
Non-accrual loans	1,910	3,123
All other mortgage loans
Non-accrual loans
Commercial business loans
Non-accrual loans		32
Consumer loans
Non-accrual loans	$ 2	$ 4