Loans And Allowance For Probable Loan Losses (Summary Of Age Of The Bank's Past Due Financing Receivables) (Detail) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2014	Jun. 30, 2013	Jun. 29, 2012
Accounts, Notes, Loans and Financing Receivable [Line Items]
30-59 Days Past Due	$ 3,128	$ 3,925
60-89 Days Past Due	3,210	5,569
90 Days and Greater	5,632	7,857
Total Past Due	11,970	17,351
Current	610,328	603,575
Balance at end of period	622,298	620,926	856,042
Recorded Investment > 90 Days and Accruing
Residential Construction [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Balance at end of period			3,954
Lot And Land Development [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Balance at end of period			18,431
1-4 Family [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Balance at end of period			383,167
Commercial Real Estate [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Balance at end of period			326,997
Multi-family [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Balance at end of period			20,110
Commercial Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Balance at end of period			101,440
Consumer Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Balance at end of period			1,943
Loans Measured At Fair Value [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Current	53,148	13,757
Balance at end of period	53,148	13,757
Recorded Investment > 90 Days and Accruing
Loans Measured At Fair Value [Member] | Commercial Real Estate [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Current	9,901	2,662
Balance at end of period	9,901	2,662
Recorded Investment > 90 Days and Accruing
Loans Measured At Fair Value [Member] | Multi-family [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Current	43,247	11,095
Balance at end of period	43,247	11,095
Recorded Investment > 90 Days and Accruing
Other Loans Receivable [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
30-59 Days Past Due	3,128	3,925
60-89 Days Past Due	3,210	5,569
90 Days and Greater	5,632	7,857
Total Past Due	11,970	17,351
Current	557,180	589,818
Balance at end of period	569,150	607,169
Recorded Investment > 90 Days and Accruing
Other Loans Receivable [Member] | Residential Construction [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Current	650	1,367
Balance at end of period	650	1,367
Recorded Investment > 90 Days and Accruing
Other Loans Receivable [Member] | Lot And Land Development [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
30-59 Days Past Due		173
60-89 Days Past Due		370
90 Days and Greater	14	80
Total Past Due	14	623
Current	5,138	8,365
Balance at end of period	5,152	8,988
Recorded Investment > 90 Days and Accruing
Other Loans Receivable [Member] | 1-4 Family [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
30-59 Days Past Due	117	914
60-89 Days Past Due	643	234
90 Days and Greater	740	2,816
Total Past Due	1,500	3,964
Current	215,644	229,983
Balance at end of period	217,144	233,947
Recorded Investment > 90 Days and Accruing
Other Loans Receivable [Member] | Commercial Real Estate [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
30-59 Days Past Due	3,008	1,396
60-89 Days Past Due	1,782	1,153
90 Days and Greater	1,190	4,826
Total Past Due	5,980	7,375
Current	177,409	206,077
Balance at end of period	183,389	213,452
Recorded Investment > 90 Days and Accruing
Other Loans Receivable [Member] | Multi-family [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
30-59 Days Past Due		692
Total Past Due		692
Current	97,884	88,046
Balance at end of period	97,884	88,738
Recorded Investment > 90 Days and Accruing
Other Loans Receivable [Member] | Commercial Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
30-59 Days Past Due	3	750
60-89 Days Past Due	785	3,812
90 Days and Greater	3,688	135
Total Past Due	4,476	4,697
Current	56,944	54,021
Balance at end of period	61,420	58,718
Recorded Investment > 90 Days and Accruing
Other Loans Receivable [Member] | Consumer Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Current	3,511	1,959
Balance at end of period	3,511	1,959
Recorded Investment > 90 Days and Accruing