Loans - Schedule of Past Due and Non-Accrual Loans (Detail) (USD $)	Sep. 30, 2014	Jun. 30, 2014
Financing Receivable, Recorded Investment, Past Due [Line Items]
30-59 Days Past Due	$ 1,639,000	$ 1,665,000
60-89 Days Past Due	602,000	264,000
90 Days or Greater Past Due	5,727,000	4,288,000
Total Past Due	7,968,000	6,217,000
Loans on Non-accrual	6,580,000	5,179,000
Number of loans past due 90 days or more and still accruing (in loans)	0	0
One- to Four-Family
Financing Receivable, Recorded Investment, Past Due [Line Items]
30-59 Days Past Due	946,000	607,000
60-89 Days Past Due	82,000	236,000
90 Days or Greater Past Due	2,681,000	2,437,000
Total Past Due	3,709,000	3,280,000
Loans on Non-accrual	2,977,000	2,755,000
Commercial
Financing Receivable, Recorded Investment, Past Due [Line Items]
30-59 Days Past Due	43,000	583,000
60-89 Days Past Due	404,000	0
90 Days or Greater Past Due	583,000	0
Total Past Due	1,030,000	583,000
Loans on Non-accrual	988,000	534,000
Home equity: | First Lien
Financing Receivable, Recorded Investment, Past Due [Line Items]
30-59 Days Past Due	0	0
60-89 Days Past Due	27,000	0
90 Days or Greater Past Due	0	0
Total Past Due	27,000	0
Loans on Non-accrual	0	0
Home equity: | Second Lien
Financing Receivable, Recorded Investment, Past Due [Line Items]
30-59 Days Past Due	144,000	159,000
60-89 Days Past Due	27,000	0
90 Days or Greater Past Due	24,000	111,000
Total Past Due	195,000	270,000
Loans on Non-accrual	143,000	150,000
Commercial
Financing Receivable, Recorded Investment, Past Due [Line Items]
30-59 Days Past Due	0	0
60-89 Days Past Due	35,000	0
90 Days or Greater Past Due	2,318,000	1,500,000
Total Past Due	2,353,000	1,500,000
Loans on Non-accrual	2,318,000	1,500,000
Manufactured homes
Financing Receivable, Recorded Investment, Past Due [Line Items]
30-59 Days Past Due	401,000	304,000
60-89 Days Past Due	27,000	27,000
90 Days or Greater Past Due	116,000	240,000
Total Past Due	544,000	571,000
Loans on Non-accrual	149,000	240,000
Automobile and other secured loans
Financing Receivable, Recorded Investment, Past Due [Line Items]
30-59 Days Past Due	0	0
60-89 Days Past Due	0	0
90 Days or Greater Past Due	0	0
Total Past Due	0	0
Loans on Non-accrual	0	0
Other
Financing Receivable, Recorded Investment, Past Due [Line Items]
30-59 Days Past Due	105,000	12,000
60-89 Days Past Due	0	1,000
90 Days or Greater Past Due	5,000	0
Total Past Due	110,000	13,000
Loans on Non-accrual	$ 5,000	$ 0