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Employee Stock Ownership Plan (Narrative) (Details)	12 Months Ended
	Jun. 30, 2018 USD ($) h shares	Jun. 30, 2017 USD ($) shares
ESOP compensation expense	$ 387,882	$ 417,419
Value of shares repurchased	$ 109,694	$ 44,335
Employee Stock Ownership Plan [Member]
Number of hours worked per year to quality for the plan | h	1,000
Shares repurchased | shares	4,798	1,663
Value of shares repurchased	$ 109,694	$ 44,335
Shares distributed | shares	8,103	0

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- Definition

Minimum number of hours worked per year for nonunion employees to participate in ESOP.

+ References

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The amount of plan compensation cost recognized during the period.

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Number of shares of capital stock issued (purchased by employees) in connection with an employee stock ownership plan.

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Number of shares that have been repurchased during the period and are being held in treasury.

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Equity impact of the cost of common and preferred stock that were repurchased during the period. Recorded using the cost method.

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