Loans and Allowance for Loan Losses (Schedule of Troubled Debt Restructurings) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2014 N	Dec. 31, 2013 N
One-to-four family residential loans [Member]
Number of Loans		6
Pre-modification Unpaid Principal Balance		$ 909
Post- modification Unpaid Principal Balance		933
All other mortgage loans [Member]
Number of Loans	2	1
Pre-modification Unpaid Principal Balance	1,057	576
Post- modification Unpaid Principal Balance	$ 1,090	$ 576