Interest Rate Swaps (Detail) (USD $)	12 Months Ended				12 Months Ended	3 Months Ended
	Jun. 30, 2014 item	Jun. 30, 2013	Jun. 30, 2014 Related To Fixed Rate Loan Transactions [Member]	Jun. 30, 2013 Related To Fixed Rate Loan Transactions [Member]	Jun. 30, 2014 Liability Position Swaps [Member]	Dec. 31, 2013 Interest Rate Swaps [Member] item	Jun. 30, 2014 Interest Rate Swaps [Member] security	Jun. 30, 2013 Interest Rate Swaps [Member]
Derivative [Line Items]
Notional amount of interest rate swap agreements designated as cash flow hedging instruments	$ 115,000,000	$ 100,000,000	$ 52,433,000	$ 13,902,000
Fair value of interest rate swap agreements included in other assets and other liabilities	(1,018,000)	1,789,000	(457,000)	145,000
Losses on derivatives	479,000				286,000
Losses for cash flow hedging ineffectiveness	180,000
Number of interest rate swaps terminated	2					1
Liability position swaps terminated					446,000
Effective portion of gains and losses on terminated derivative instruments recorded in accumulated other comprehensive income	13,000
Paid to terminate interest rate swap	458,000					12,000
Losses as a result of changes in fair value of interest rate swaps not designated as cash flow hedges	614,000
Gains as a result of changes in fair value of interest rate swaps not designated as cash flow hedges		145,000
Number of pledged securities							2
Carrying amount of securities pledged to secure interest rate swaps	7,099,000	3,000,000					9,516,000	9,967,000
Fair value of securities pledged to secure interest rate swaps							$ 9,372,000	$ 9,673,000