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Stockholders' Equity - Share Repurchase Program (Details) - shares	9 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Share Repurchase Program
Number of shares available for additional repurchase	562,707
Common stock
Share Repurchase Program
Number of shares repurchased	288,316
Common stock | Maximum
Share Repurchase Program
Number of repurchased shares authorized		1,000,000

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- References

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- Definition

The number of shares authorized to be repurchased by an entity's Board of Directors under a stock repurchase plan.

+ References

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- Definition

The remaining number of shares authorized to be repurchased by an entity's Board of Directors under a stock repurchase plan.

+ References

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- Definition

Number of shares that have been repurchased during the period and have not been retired and are not held in treasury. Some state laws may govern the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
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