Loans Receivable (Schedule of Information Regarding Non-Performing Assets) (Detail) (USD $)
In Thousands, unless otherwise specified
Sep. 30, 2012
Jun. 30, 2012
Sep. 30, 2011
Jun. 30, 2011
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Non-accrual loans $ 1,491 $ 1,814    
Accruing loans delinquent 90 days or more          
Restructured loans, net 803 1,404    
Total nonperforming loans 2,294 3,218    
Real estate owned and other repossessed assets, net 1,937 2,361    
Total non-performing assets 4,231 5,579    
Total non-performing assets as a percentage of total assets 1.32% 1.70%    
Allowance for loan losses $ 1,800 $ 1,625 $ 1,550 $ 1,800
Percent of allowance for loan losses to non-performing loans 78.50% 50.50%    
Percent of allowance for loan losses to non-performing assets 42.50% 29.10%