Loan Commitments and Other Related Activities (Details) (USD $) In Thousands, unless otherwise specified			12 Months Ended
	Dec. 31, 2013 Commitments to make loans	Dec. 31, 2012 Commitments to make loans	Dec. 31, 2013 Commitments to make loans Maximum	Dec. 31, 2013 Commitments to make loans Multi-family residential loan item	Dec. 31, 2013 Unused lines of credit	Dec. 31, 2012 Unused lines of credit
Loan commitments and other related activities Loan commitments and other related activities
Contractual amounts of financial instruments -variable rates	$ 850	$ 141			$ 255	$ 399
Period for which loan commitments are made			60 days
Number of loan commitments				1
Period for which initial interest rate is applicable				5 years
Initial interest rate (as a percent)				3.875%