Loans Receivable - Loans by Class Modified as Troubled Debt Restructurings Payment Default (Detail) (USD $)	3 Months Ended	9 Months Ended
	Mar. 31, 2012 SecurityLoan	Mar. 31, 2013 SecurityLoan	Mar. 31, 2012 SecurityLoan
Financing Receivable, Modifications [Line Items]
Number of Loans	1	2	7
1-4 Family Loans [Member] | Owner Occupied [Member]
Financing Receivable, Modifications [Line Items]
Number of Loans	1	1	1
Troubled Debt Restructuring Subsequently Defaulted In Past Twelve Months [Member]
Financing Receivable, Modifications [Line Items]
Number of Loans	2	3	19
Outstanding Recorded Investment	116,952		116,952
Troubled Debt Restructuring Subsequently Defaulted In Past Twelve Months [Member] | 1-4 Family Loans [Member] | Owner Occupied [Member]
Financing Receivable, Modifications [Line Items]
Number of Loans		2	16
Outstanding Recorded Investment
Troubled Debt Restructuring Subsequently Defaulted In Past Twelve Months [Member] | Home Equity Investment Lines of Credit [Member]
Financing Receivable, Modifications [Line Items]
Number of Loans			1
Outstanding Recorded Investment
Troubled Debt Restructuring Subsequently Defaulted In Past Twelve Months [Member] | Commercial and Industrial Loans [Member]
Financing Receivable, Modifications [Line Items]
Number of Loans	2	1	2
Outstanding Recorded Investment	116,952		116,952