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Loans (Details 3) - USD ($) $ in Thousands	Jun. 30, 2018	Jun. 30, 2017
Financing Receivable, Modifications [Line Items]
Financing Receivable, Recorded Investment, Nonaccrual	$ 5,246	$ 5,029
Financing Receivable, Recorded Investment, Loans Past Due Over 90 Days Still Accruing	2,419	1,781
Farm [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable, Recorded Investment, Nonaccrual	310
Financing Receivable, Recorded Investment, Loans Past Due Over 90 Days Still Accruing
Commercial and industrial [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable, Recorded Investment, Nonaccrual	7
Financing Receivable, Recorded Investment, Loans Past Due Over 90 Days Still Accruing
One-to four-family [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable, Recorded Investment, Nonaccrual	4,210	4,870
Financing Receivable, Recorded Investment, Loans Past Due Over 90 Days Still Accruing	2,419	1,770
Nonresidential real estate [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable, Recorded Investment, Nonaccrual	708	151
Financing Receivable, Recorded Investment, Loans Past Due Over 90 Days Still Accruing
Consumer [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable, Recorded Investment, Nonaccrual	11	8
Financing Receivable, Recorded Investment, Loans Past Due Over 90 Days Still Accruing		$ 11

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+ References

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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://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 7
-Subparagraph (d)
-URI http://asc.fasb.org/extlink&oid=84173941&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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-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 7
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