Fair Value - Assets Measured at Fair Value on Nonrecurring Basis (Detail) (USD $)	Jun. 30, 2013	Jun. 30, 2012
Fair Value Assets And Liabilities Measured On Nonrecurring Basis [Line Items]
Real estate owned	$ 6,920,247	$ 7,733,578
Impaired mortgage servicing rights	7,128,171	6,499,157
1-4 Family Loans [Member]
Fair Value Assets And Liabilities Measured On Nonrecurring Basis [Line Items]
Impaired loans	2,984,394	4,033,385
Real estate owned	2,134,123	2,042,573
1-4 Family Construction [Member]
Fair Value Assets And Liabilities Measured On Nonrecurring Basis [Line Items]
Impaired loans		660,862
Multi-Family [Member]
Fair Value Assets And Liabilities Measured On Nonrecurring Basis [Line Items]
Impaired loans		324,974
Commercial Real Estate [Member]
Fair Value Assets And Liabilities Measured On Nonrecurring Basis [Line Items]
Impaired loans	2,859,282	5,688,747
Real estate owned	2,174,939	923,262
Commercial Non-Real Estate [Member]
Fair Value Assets And Liabilities Measured On Nonrecurring Basis [Line Items]
Impaired loans	112,011	238,229
Land Loans [Member]
Fair Value Assets And Liabilities Measured On Nonrecurring Basis [Line Items]
Impaired loans	1,136,256	4,223,074
Real estate owned	2,611,185	2,914,174
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member]
Fair Value Assets And Liabilities Measured On Nonrecurring Basis [Line Items]
Impaired mortgage servicing rights
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | 1-4 Family Loans [Member]
Fair Value Assets And Liabilities Measured On Nonrecurring Basis [Line Items]
Impaired loans
Real estate owned
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | 1-4 Family Construction [Member]
Fair Value Assets And Liabilities Measured On Nonrecurring Basis [Line Items]
Impaired loans
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Multi-Family [Member]
Fair Value Assets And Liabilities Measured On Nonrecurring Basis [Line Items]
Impaired loans
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Commercial Real Estate [Member]
Fair Value Assets And Liabilities Measured On Nonrecurring Basis [Line Items]
Impaired loans
Real estate owned
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Commercial Non-Real Estate [Member]
Fair Value Assets And Liabilities Measured On Nonrecurring Basis [Line Items]
Impaired loans
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Land Loans [Member]
Fair Value Assets And Liabilities Measured On Nonrecurring Basis [Line Items]
Impaired loans
Real estate owned
Significant Other Observable Inputs (Level 2) [Member]
Fair Value Assets And Liabilities Measured On Nonrecurring Basis [Line Items]
Impaired mortgage servicing rights	7,128,171	6,499,157
Significant Other Observable Inputs (Level 2) [Member] | 1-4 Family Loans [Member]
Fair Value Assets And Liabilities Measured On Nonrecurring Basis [Line Items]
Impaired loans
Real estate owned
Significant Other Observable Inputs (Level 2) [Member] | 1-4 Family Construction [Member]
Fair Value Assets And Liabilities Measured On Nonrecurring Basis [Line Items]
Impaired loans
Significant Other Observable Inputs (Level 2) [Member] | Multi-Family [Member]
Fair Value Assets And Liabilities Measured On Nonrecurring Basis [Line Items]
Impaired loans
Significant Other Observable Inputs (Level 2) [Member] | Commercial Real Estate [Member]
Fair Value Assets And Liabilities Measured On Nonrecurring Basis [Line Items]
Impaired loans
Real estate owned
Significant Other Observable Inputs (Level 2) [Member] | Commercial Non-Real Estate [Member]
Fair Value Assets And Liabilities Measured On Nonrecurring Basis [Line Items]
Impaired loans
Significant Other Observable Inputs (Level 2) [Member] | Land Loans [Member]
Fair Value Assets And Liabilities Measured On Nonrecurring Basis [Line Items]
Impaired loans
Real estate owned
Significant Unobservable Inputs (Level 3) [Member]
Fair Value Assets And Liabilities Measured On Nonrecurring Basis [Line Items]
Impaired mortgage servicing rights
Significant Unobservable Inputs (Level 3) [Member] | 1-4 Family Loans [Member]
Fair Value Assets And Liabilities Measured On Nonrecurring Basis [Line Items]
Impaired loans	2,984,394	4,033,385
Real estate owned		2,042,573
Significant Unobservable Inputs (Level 3) [Member] | 1-4 Family Construction [Member]
Fair Value Assets And Liabilities Measured On Nonrecurring Basis [Line Items]
Impaired loans		660,862
Significant Unobservable Inputs (Level 3) [Member] | Multi-Family [Member]
Fair Value Assets And Liabilities Measured On Nonrecurring Basis [Line Items]
Impaired loans		324,974
Significant Unobservable Inputs (Level 3) [Member] | Commercial Real Estate [Member]
Fair Value Assets And Liabilities Measured On Nonrecurring Basis [Line Items]
Impaired loans	2,859,282	5,688,747
Real estate owned	2,174,939	923,262
Significant Unobservable Inputs (Level 3) [Member] | Commercial Non-Real Estate [Member]
Fair Value Assets And Liabilities Measured On Nonrecurring Basis [Line Items]
Impaired loans	112,011	238,229
Significant Unobservable Inputs (Level 3) [Member] | Land Loans [Member]
Fair Value Assets And Liabilities Measured On Nonrecurring Basis [Line Items]
Impaired loans	1,136,256	4,223,074
Real estate owned	$ 2,611,185	$ 2,914,174