Loans And Allowance For Probable Loan Losses (Schedule Of Recorded Investment And Unpaid Principal Balance For Impaired Loans) (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Jun. 30, 2014		Jun. 30, 2013
Accounts, Notes, Loans and Financing Receivable [Line Items]
Recorded Investment	$ 20,477	[1]	$ 32,132	[1]
Unpaid Principal Balance	23,689	[1]	39,754	[1]
Related Allowance	907		2,629
Average Recorded Investment	23,298	[2]	39,090	[2]
Interest Income Recognized	248	[3]	421	[3]
Residential Construction [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Recorded Investment	551	[1]	605	[1]
Unpaid Principal Balance	738	[1]	754	[1]
Related Allowance			23
Average Recorded Investment	573	[2]	629	[2]
Lot And Land Development [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Recorded Investment	677	[1]	2,428	[1]
Unpaid Principal Balance	776	[1]	2,867	[1]
Related Allowance			233
Average Recorded Investment	1,244	[2]	2,686	[2]
Interest Income Recognized	30	[3]
1-4 Family [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Recorded Investment	5,672	[1]	9,361	[1]
Unpaid Principal Balance	7,320	[1]	11,582	[1]
Related Allowance	39		178
Average Recorded Investment	7,443	[2]	14,072	[2]
Interest Income Recognized	32	[3]	84	[3]
Commercial Real Estate [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Recorded Investment	9,458	[1]	12,271	[1]
Unpaid Principal Balance	10,667	[1]	16,427	[1]
Related Allowance	458		105
Average Recorded Investment	8,208	[2]	17,833	[2]
Interest Income Recognized	131	[3]	182	[3]
Commercial Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Recorded Investment	4,119	[1]	7,467	[1]
Unpaid Principal Balance	4,188	[1]	8,124	[1]
Related Allowance	410		2,090
Average Recorded Investment	5,830	[2]	3,870	[2]
Interest Income Recognized	55	[3]	155	[3]
With No Related Allowance Recorded
Accounts, Notes, Loans and Financing Receivable [Line Items]
Recorded Investment	13,598	[1]	19,739	[1]
Unpaid Principal Balance	16,712	[1]	25,838	[1]
Average Recorded Investment	16,161		18,286	[2]
Interest Income Recognized	182	[3]	210	[3]
With No Related Allowance Recorded | Residential Construction [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Recorded Investment	551	[1]	383	[1]
Unpaid Principal Balance	738	[1]	471	[1]
Average Recorded Investment	483		438	[2]
With No Related Allowance Recorded | Lot And Land Development [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Recorded Investment	677	[1]	102	[1]
Unpaid Principal Balance	776	[1]	324	[1]
Average Recorded Investment	309		807	[2]
Interest Income Recognized	30	[3]
With No Related Allowance Recorded | 1-4 Family [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Recorded Investment	5,182	[1]	5,818	[1]
Unpaid Principal Balance	6,827	[1]	7,712	[1]
Average Recorded Investment	5,513		7,674	[2]
Interest Income Recognized	32	[3]	17	[3]
With No Related Allowance Recorded | Commercial Real Estate [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Recorded Investment	6,852	[1]	9,006	[1]
Unpaid Principal Balance	8,015	[1]	12,239	[1]
Average Recorded Investment	6,005		7,785	[2]
Interest Income Recognized	65	[3]	167	[3]
With No Related Allowance Recorded | Commercial Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Recorded Investment	336	[1]	4,430	[1]
Unpaid Principal Balance	356	[1]	5,092	[1]
Average Recorded Investment	3,851		1,582	[2]
Interest Income Recognized	55	[3]	26	[3]
With an Allowance Recorded
Accounts, Notes, Loans and Financing Receivable [Line Items]
Recorded Investment	6,879	[1]	12,393
Unpaid Principal Balance	6,977	[1]	13,916
Related Allowance	907		2,629
Average Recorded Investment	7,137	[2]	20,804	[2]
Interest Income Recognized	66	[3]	211	[3]
With an Allowance Recorded | Residential Construction [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Recorded Investment			222
Unpaid Principal Balance			283
Related Allowance			23
Average Recorded Investment	90	[2]	191	[2]
With an Allowance Recorded | Lot And Land Development [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Recorded Investment			2,326
Unpaid Principal Balance			2,543
Related Allowance			233
Average Recorded Investment	935	[2]	1,879	[2]
With an Allowance Recorded | 1-4 Family [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Recorded Investment	490	[1]	3,543
Unpaid Principal Balance	493	[1]	3,870
Related Allowance	39		178
Average Recorded Investment	1,930	[2]	6,398	[2]
Interest Income Recognized			67	[3]
With an Allowance Recorded | Commercial Real Estate [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Recorded Investment	2,606	[1]	3,265
Unpaid Principal Balance	2,652	[1]	4,188
Related Allowance	458		105
Average Recorded Investment	2,203	[2]	10,048	[2]
Interest Income Recognized	66	[3]	15	[3]
With an Allowance Recorded | Commercial Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Recorded Investment	3,783	[1]	3,037
Unpaid Principal Balance	3,832	[1]	3,032
Related Allowance	410		2,090
Average Recorded Investment	1,979	[2]	2,288	[2]
Interest Income Recognized			$ 129	[3]

[1] The difference between the unpaid principal balance and the recorded investment of impaired loans with no related allowance recorded is primarily comprised of partial charge-offs that were previously recognized

[2] Represents the average recorded investment for the fiscal years ended June 30, 2014 and 2013, respectively.

[3] Represents interest income recognized on impaired loans for the fiscal years ended June 30, 2014 and 2013, respectively.