Employee Benefits (Detail Textuals) (Multi-Employer Pension, Pentegra Plan, USD $)	12 Months Ended
	Dec. 31, 2013	Jun. 30, 2013	Dec. 31, 2012	Jun. 30, 2012	Jul. 31, 2013	Jul. 31, 2012
Multi-Employer Pension | Pentegra Plan
Multiemployer Plans [Line Items]
Pension expense related to the plan	$ 359,000		$ 313,000
Funding status of the plan as of beginning of the plan years					103.85%	106.71%
Total contributions to Pentegra Plan		196,473,000		299,729,000
Contributions to Pentegra plan	$ 74,000		$ 327,000
Percentage of maximum contribution by employer	5.00%