Loans receivable (Details 4) - USD ($) $ in Thousands	Dec. 31, 2016	Jun. 30, 2016
Financing Receivable, Modifications [Line Items]
Financing Receivable, Recorded Investment, Nonaccrual	$ 5,448	$ 4,969
Financing Receivable, Recorded Investment, Loans Past Due Over 90 Days Still Accruing	2,244	2,166
One- to four-family residential real estate [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable, Recorded Investment, Nonaccrual	5,294	4,785
Financing Receivable, Recorded Investment, Loans Past Due Over 90 Days Still Accruing	2,244	2,166
Nonresidential real estate [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable, Recorded Investment, Nonaccrual	149	173
Financing Receivable, Recorded Investment, Loans Past Due Over 90 Days Still Accruing	0	0
Consumer [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable, Recorded Investment, Nonaccrual	5	11
Financing Receivable, Recorded Investment, Loans Past Due Over 90 Days Still Accruing	$ 0	$ 0

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

No definition available.

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- Definition

Recorded investment in financing receivables that are 90 days or more past due and still accruing.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Recorded Investment
-URI http://asc.fasb.org/extlink&oid=65880944

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 7
-Subparagraph (d)
-URI http://asc.fasb.org/extlink&oid=66008989&loc=d3e5111-111524

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- Definition

Recorded investment in financing receivables that are on nonaccrual status as of the balance sheet date.

+ References

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