Loans And Allowance For Probable Loan Losses (Financial Effects Of Loan Modifications Accounted For As TDRs) (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Jun. 30, 2014 contract		Jun. 30, 2013 contract
Financing Receivable, Modifications [Line Items]
Number of Contracts	8		30
Pre-Modification Outstanding Recorded Investment	$ 4,402		$ 10,397
Post-Modification Outstanding Recorded Investment	4,402	[1]	10,371	[1]
Residential Construction [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts			4
Pre-Modification Outstanding Recorded Investment			648
Post-Modification Outstanding Recorded Investment		[1]	648	[1]
Lot And Land Development [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts			8
Pre-Modification Outstanding Recorded Investment			4,331
Post-Modification Outstanding Recorded Investment		[1]	4,331	[1]
1-4 Family [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts	4		11
Pre-Modification Outstanding Recorded Investment	243		1,927
Post-Modification Outstanding Recorded Investment	243	[1]	1,906	[1]
Commercial Real Estate [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts	3		5
Pre-Modification Outstanding Recorded Investment	3,991		3,232
Post-Modification Outstanding Recorded Investment	3,991	[1]	3,227	[1]
Commercial Loans
Financing Receivable, Modifications [Line Items]
Number of Contracts	1		2
Pre-Modification Outstanding Recorded Investment	168		259
Post-Modification Outstanding Recorded Investment	$ 168	[1]	$ 259	[1]

[1] Post-modification balances include direct charge-offs recorded at the time of modification.