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Federal Income Taxes (Details Textual) - USD ($) $ in Millions | 12 Months Ended
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Jun. 30, 2018 | Jun. 30, 1997
Federal Income Taxes (Textual) |  |
Effective income tax rate reconciliation special bad debt deduction |  | 8.00%
Retained earnings for which federal income taxes have not been provided | $ 5.2 |
Amount of unrecognized deferred tax liability relating to the cumulative bad debt deduction | $ 1.1 |

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- Definition The portion of the difference between the effective income tax rate and domestic federal statutory income tax rate attributable to the deduction for bad debt. + References No definition available. + Details
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- Definition Value represents retained earnings not recognized for federal income taxes. + References No definition available. + Details
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- Definition Amount of deferred tax liability not recognized because of the exceptions to comprehensive recognition of deferred taxes related to bad debt reserve for tax purposes of a qualified lender. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 740 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6479915&loc=d3e66715-112838 + Details
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