Loans Receivable - Aggregate Balance of Loans by Loan Class Modified in Troubled Debt Restructurings (Detail) (USD $)	6 Months Ended	12 Months Ended
	Dec. 31, 2012 SecurityLoan	Jun. 30, 2012 SecurityLoan
Financing Receivable, Modifications [Line Items]
Number of Loans	38	44
Outstanding Recorded Investment	$ 12,432,285	$ 15,590,705
Commercial and Industrial [Member]
Financing Receivable, Modifications [Line Items]
Number of Loans	1	2
Outstanding Recorded Investment	1,933	40,696
Owner Occupied [Member] | One-to-Four Family [Member]
Financing Receivable, Modifications [Line Items]
Number of Loans	18	20
Outstanding Recorded Investment	3,305,542	3,775,715
Non-Owner Occupied [Member] | One-to-Four Family [Member]
Financing Receivable, Modifications [Line Items]
Number of Loans	1	1
Outstanding Recorded Investment	48,876	53,993
Second Mortgage [Member] | One-to-Four Family [Member]
Financing Receivable, Modifications [Line Items]
Number of Loans	4	5
Outstanding Recorded Investment	415,004	912,147
Home Equity Lines of Credit [Member] | One-to-Four Family [Member]
Financing Receivable, Modifications [Line Items]
Number of Loans	1	1
Outstanding Recorded Investment	63,781	63,782
Multi-Family [Member] | Multi-Family [Member]
Financing Receivable, Modifications [Line Items]
Number of Loans	1	1
Outstanding Recorded Investment	291,077	297,979
Commercial [Member] | Commercial Real Estate [Member]
Financing Receivable, Modifications [Line Items]
Number of Loans	10	12
Outstanding Recorded Investment	6,305,916	8,264,020
Acquisition and Development [Member] | Land [Member]
Financing Receivable, Modifications [Line Items]
Number of Loans	2	2
Outstanding Recorded Investment	$ 2,000,156	$ 2,182,373