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Loans Receivable (Details 6) - USD ($) $ in Thousands	Dec. 31, 2017	Jun. 30, 2017
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	$ 8,839	$ 11,037
Loans Not Past Due	256,715	248,994
Total	265,554	260,031
90 Days or Greater Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	4,085	4,640
30-89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	4,754	6,397
One- to four-family residential real estate [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	7,684	9,689
Loans Not Past Due	191,860	188,247
Total	199,544	197,936
One- to four-family residential real estate [Member] | 90 Days or Greater Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	3,274	4,496
One- to four-family residential real estate [Member] | 30-89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	4,410	5,193
Multi-family [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due
Loans Not Past Due	15,247	15,678
Total	15,247	15,678
Multi-family [Member] | 90 Days or Greater Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due
Multi-family [Member] | 30-89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due
Construction [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due
Loans Not Past Due	5,683	2,398
Total	5,683	2,398
Construction [Member] | 90 Days or Greater Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due
Construction [Member] | 30-89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due
Land [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due
Loans Not Past Due	869	1,304
Total	869	1,304
Land [Member] | 90 Days or Greater Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due
Land [Member] | 30-89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due
Farm [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	538	539
Loans Not Past Due	1,847	1,523
Total	2,385	2,062
Farm [Member] | 90 Days or Greater Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	538
Farm [Member] | 30-89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due		539
Nonresidential real estate [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	577	768
Loans Not Past Due	29,476	28,443
Total	30,053	29,211
Nonresidential real estate [Member] | 90 Days or Greater Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	273	133
Nonresidential real estate [Member] | 30-89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	304	635
Commercial non-mortgage [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due
Loans Not Past Due	2,466	2,540
Total	2,466	2,540
Commercial non-mortgage [Member] | 90 Days or Greater Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due
Commercial non-mortgage [Member] | 30-89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due
Loans on deposits [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due
Loans Not Past Due	1,634	1,607
Total	1,634	1,607
Loans on deposits [Member] | 90 Days or Greater Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due
Loans on deposits [Member] | 30-89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due
Home equity [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	34	28
Loans Not Past Due	7,076	6,825
Total	7,110	6,853
Home equity [Member] | 90 Days or Greater Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due		11
Home equity [Member] | 30-89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	34	17
Unsecured [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	6	13
Loans Not Past Due	528	387
Total	534	400
Unsecured [Member] | 90 Days or Greater Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due
Unsecured [Member] | 30-89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	6	13
Automobile [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due
Loans Not Past Due	29	42
Total	29	42
Automobile [Member] | 90 Days or Greater Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due
Automobile [Member] | 30-89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due

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- Definition

Financing receivables that are current.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 7A
-URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953401-111524

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- Definition

Recorded Investment in financing receivables that are past due at the balance sheet date.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 7A
-URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953401-111524

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+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=82891408&loc=d3e4428-111522

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