Credit Quality of Loans and Allowance for Loan Losses (Details 5) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013 N	Jun. 30, 2012 N	Jun. 30, 2013 N	Jun. 30, 2012 N
One-to-four family residential
Number of Loans	1		2	2
Pre-modification Unpaid Principal Balance	$ 303		$ 416	$ 538
Post- modification Unpaid Principal Balance	303		416	538
All other mortgage loans
Number of Loans			1
Pre-modification Unpaid Principal Balance			576
Post- modification Unpaid Principal Balance			$ 576