Loans Receivable (Details 2) - USD ($) $ in Thousands	Sep. 30, 2019	Jun. 30, 2019
Automobile [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans collectively evaluated for impairment, Ending loans balance	$ 95	$ 91
Loans collectively evaluated for impairment, Ending allowance attributed to loans
Loans collectively evaluated for impairment, Unallocated allowance
Loans collectively evaluated for impairment, Total allowance
Farm [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans individually evaluated for impairment, Loans Individually evaluated	310	309
Loans individually evaluated for impairment, Loans acquired with deteriorated credit quality
Loans individually evaluated for impairment, Ending loans balance	310	309
Loans individually evaluated for impairment, Total allowance
Loans collectively evaluated for impairment, Ending loans balance	2,825	2,848
Loans collectively evaluated for impairment, Ending allowance attributed to loans	5	6
Loans collectively evaluated for impairment, Unallocated allowance
Loans collectively evaluated for impairment, Total allowance	6	6
Nonresidential real estate [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans individually evaluated for impairment, Loans Individually evaluated	727	683
Loans individually evaluated for impairment, Loans acquired with deteriorated credit quality
Loans individually evaluated for impairment, Ending loans balance	727	683
Loans individually evaluated for impairment, Total allowance
Loans collectively evaluated for impairment, Ending loans balance	29,786	29,736
Loans collectively evaluated for impairment, Ending allowance attributed to loans	339	336
Loans collectively evaluated for impairment, Unallocated allowance
Loans collectively evaluated for impairment, Total allowance	339	336
Commercial non-mortgage [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans collectively evaluated for impairment, Ending loans balance	1,942	2,075
Loans collectively evaluated for impairment, Ending allowance attributed to loans	5	5
Loans collectively evaluated for impairment, Unallocated allowance
Loans collectively evaluated for impairment, Total allowance	5	5
Loans on deposits [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans collectively evaluated for impairment, Ending loans balance	1,259	1,415
Loans collectively evaluated for impairment, Ending allowance attributed to loans	3	3
Loans collectively evaluated for impairment, Unallocated allowance
Loans collectively evaluated for impairment, Total allowance	2	3
Home equity [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans collectively evaluated for impairment, Ending loans balance	7,644	8,214
Loans collectively evaluated for impairment, Ending allowance attributed to loans	12	14
Loans collectively evaluated for impairment, Unallocated allowance
Loans collectively evaluated for impairment, Total allowance	12	14
Unsecured [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans collectively evaluated for impairment, Ending loans balance	539	451
Loans collectively evaluated for impairment, Ending allowance attributed to loans
Loans collectively evaluated for impairment, Unallocated allowance
Loans collectively evaluated for impairment, Total allowance
Unallocated [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans collectively evaluated for impairment, Ending loans balance
Loans collectively evaluated for impairment, Ending allowance attributed to loans
Loans collectively evaluated for impairment, Unallocated allowance	200	200
Loans collectively evaluated for impairment, Total allowance	200	200
One-to four-family residential real estate [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans individually evaluated for impairment, Loans Individually evaluated	3,553	3,837
Loans individually evaluated for impairment, Loans acquired with deteriorated credit quality	902	949
Loans individually evaluated for impairment, Ending loans balance	4,455	4,786
Loans individually evaluated for impairment, Total allowance
Loans collectively evaluated for impairment, Ending loans balance	210,929	210,595
Loans collectively evaluated for impairment, Ending allowance attributed to loans	686	685
Loans collectively evaluated for impairment, Unallocated allowance
Loans collectively evaluated for impairment, Total allowance	686	685
Multi-family [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans individually evaluated for impairment, Loans Individually evaluated	681	685
Loans individually evaluated for impairment, Loans acquired with deteriorated credit quality
Loans individually evaluated for impairment, Ending loans balance	681	685
Loans collectively evaluated for impairment, Ending loans balance	14,864	15,928
Loans collectively evaluated for impairment, Ending allowance attributed to loans	193	200
Loans collectively evaluated for impairment, Unallocated allowance
Loans collectively evaluated for impairment, Total allowance	193	200
Construction [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans collectively evaluated for impairment, Ending loans balance	3,927	3,757
Loans collectively evaluated for impairment, Ending allowance attributed to loans	6	6
Loans collectively evaluated for impairment, Unallocated allowance
Loans collectively evaluated for impairment, Total allowance	6	6
Land [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans collectively evaluated for impairment, Ending loans balance	1,099	852
Loans collectively evaluated for impairment, Ending allowance attributed to loans	1	1
Loans collectively evaluated for impairment, Unallocated allowance
Loans collectively evaluated for impairment, Total allowance	1	1
Loans individually evaluated [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans individually evaluated for impairment, Total	5,271	5,515
Loans acquired with deteriorated credit quality [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans individually evaluated for impairment, Total	902	949
Unpaid principal balance and recorded investment [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans individually evaluated for impairment, Total	6,173	6,463
Loans collectively evaluated for impairment, Total	274,910	275,962
Evaluated for impairment, Total	281,083	282,425
Ending allowance attributed to loans [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans individually evaluated for impairment, Total
Loans collectively evaluated for impairment, Total	1,250	1,256
Evaluated for impairment, Total	1,250	1,256
Unallocated allowance [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans individually evaluated for impairment, Total
Loans collectively evaluated for impairment, Total	200	200
Evaluated for impairment, Total	200	200
Total allowance [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans individually evaluated for impairment, Total
Loans collectively evaluated for impairment, Total	1,450	1,456
Evaluated for impairment, Total	$ 1,450	$ 1,456

The balance of financing receivables that were acquired with deteriorated credit quality.

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Loans collectively evaluated for impairment Ending allowance attributed to loans.

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Loans collectively evaluated for impairment.

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Loans collectively evaluated for impairment Unallocated allowance.

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Loans individually evaluated for impairment total.

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- Definition

Amount of allowance for credit loss on financing receivable. Excludes allowance for financing receivable covered under loss sharing agreement.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition

The valuation allowance for financing receivables that are expected to be uncollectible that were collectively evaluated for impairment.

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Amount of valuation allowance for financing receivables that are expected to be uncollectible that were individually evaluated for impairment.

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- Definition

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.

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The balance of financing receivables that were collectively evaluated for impairment.

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The balance of financing receivables that were individually evaluated for impairment.

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Amount of unpaid principal balance of impaired financing receivables with related allowance for credit losses and without related allowance for credit losses.

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