Borrowings (Narrative) (Details) (USD $)	12 Months Ended
	Jun. 30, 2013	Jun. 30, 2012
Repayments of Federal Home Loan Bank Borrowings	$ 7,000,000	$ 5,000,000
Available-for-sale Securities Pledged as Collateral	5,200,000	5,300,000
Federal Home Loan Bank of New York [Member]
Loans Pledged as Collateral	188,100,000
Line of Credit Facility, Maximum Borrowing Capacity	151,100,000
Federal Home Loan Bank of New York [Member] | Fixed Rate Term Borrowing [Member]
Line of Credit Facility, Amount Outstanding	4,000,000
Debt, Weighted Average Interest Rate	1.47%
Debt Instrument, Remaining Term	74 months
Federal Home Loan Bank of New York [Member] | Maturity Overnight [Member]
Line of Credit Facility, Amount Outstanding	10,600,000
Federal Home Loan Bank of New York [Member] | Federal Home Loan Bank Borrowings [Member]
Repayments of Federal Home Loan Bank Borrowings	7,000,000
Federal Reserve Bank [Member] | Maturity Overnight [Member]
Available-for-sale Securities Pledged as Collateral	5,200,000
Atlantic Central Bankers' Bank [Member]
Line of Credit Facility, Maximum Borrowing Capacity	$ 6,000,000