Summary of Significant Accounting Policies and Related Matters - Additional Information (Detail)	12 Months Ended
	Jun. 30, 2013 D
Significant Accounting Policies [Line Items]
Number of days loans deemed to be past on mortgage and commercial loans	90
Percentage of loan to value ratio	60.00%
Number of maturity days	180
Maximum number of nonaccrual loans and loans past	90
Loss history period adjusted	36 months
Loss history period	18 months
Percentage of income tax examination on tax benefits	50.00%
Buildings [Member]
Significant Accounting Policies [Line Items]
Estimated lives for Building	40 years
Equipment [Member] | Minimum [Member]
Significant Accounting Policies [Line Items]
Estimated lives for Building	1 year
Equipment [Member] | Maximum [Member]
Significant Accounting Policies [Line Items]
Estimated lives for Building	10 years