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Loans (Details 2) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Jun. 30, 2018 | Jun. 30, 2017
Financing Receivable, Impaired [Line Items] |  |
Impaired loans, Unpaid Principal Balance and Recorded Investment, With No Related Allowance | $ 4,547 | $ 5,513
Impaired loans, Allowance for Loan Losses Allocated, With No Related Allowance |  |
Impaired loans, Average Recorded Investment, With No Related Allowance | 4,939 | 5,784
Impaired loans, Interest Income Recognized, With No Related Allowance | 97 | 71
Impaired loans, Cash Basis Income Recognized, With No Related Allowance | 71 | 71
One-to four-family [Member] |  |
Financing Receivable, Impaired [Line Items] |  |
Impaired loans, Unpaid Principal Balance and Recorded Investment, With No Related Allowance | 4,115 | 5,382
Impaired loans, Allowance for Loan Losses Allocated, With No Related Allowance |  |
Impaired loans, Average Recorded Investment, With No Related Allowance | 4,507 | 5,653
Impaired loans, Interest Income Recognized, With No Related Allowance | 97 | 71
Impaired loans, Cash Basis Income Recognized, With No Related Allowance | 71 | 71
Consumer and other Unsecured [Member] |  |
Financing Receivable, Impaired [Line Items] |  |
Impaired loans, Unpaid Principal Balance and Recorded Investment, With No Related Allowance |  |
Impaired loans, Allowance for Loan Losses Allocated, With No Related Allowance |  |
Impaired loans, Average Recorded Investment, With No Related Allowance |  | 7
Impaired loans, Interest Income Recognized, With No Related Allowance |  |
Impaired loans, Cash Basis Income Recognized, With No Related Allowance |  |
Nonresidential real estate [Member] |  |
Financing Receivable, Impaired [Line Items] |  |
Impaired loans, Unpaid Principal Balance and Recorded Investment, With No Related Allowance | 122 | 131
Impaired loans, Allowance for Loan Losses Allocated, With No Related Allowance |  |
Impaired loans, Average Recorded Investment, With No Related Allowance | 122 | 131
Impaired loans, Interest Income Recognized, With No Related Allowance |  |
Impaired loans, Cash Basis Income Recognized, With No Related Allowance |  |
Farm [Member] |  |
Financing Receivable, Impaired [Line Items] |  |
Impaired loans, Unpaid Principal Balance and Recorded Investment, With No Related Allowance | 310 |
Impaired loans, Allowance for Loan Losses Allocated, With No Related Allowance |  |
Impaired loans, Average Recorded Investment, With No Related Allowance | 310 |
Impaired loans, Interest Income Recognized, With No Related Allowance |  |
Impaired loans, Cash Basis Income Recognized, With No Related Allowance |  |

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- Definition Amount of allowance for loan losses allocated of impaired financing receivables for which there is no related allowance for credit losses. + References No definition available. + Details
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- Definition Amount of average investment of impaired financing receivables for which there is no related allowance for credit losses. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 17 -URI http://asc.fasb.org/extlink&oid=84173941&loc=d3e5258-111524 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=84173941&loc=d3e5212-111524 + Details
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