Loan Commitments and Other Related Activities - Additional Information (Detail) (USD $)	12 Months Ended
	Jun. 30, 2012	Jun. 30, 2011
Interest Rate Lock Commitments	$ 65,996,365	$ 17,625,864
Fair value of estimated commitments	1,773,453	231,031
Contracts to sell mortgage loans	69,150,472	21,679,521
Fair value of sale of mortgage loan contracts	117,718	53,908
Forward Contracts
Fair value of sale of mortgage loan contracts	(117,718)	53,908
Interest Rate Lock Commitments
Interest Rate Lock Commitments	65,996,365	17,625,864
Fair value of estimated commitments	$ 1,773,453	$ 231,031
Minimum
Commitments fixed expiration dates	60
Maximum
Commitments fixed expiration dates	120