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Equity Incentive Plan - Assumptions Used in Estimating Fair Value (Details) - $ / shares	3 Months Ended
	Sep. 30, 2019	Sep. 30, 2018
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]
Weighted-average volatility	17.84%	0.00%
Expected dividend yield	0.95%	0.00%
Risk-free interest rate	1.55%	0.00%
Expected life (years)	6 years 6 months	0 years
Weighted-average fair value of options granted	$ 4.67	$ 0.00

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The estimated dividend rate (a percentage of the share price) to be paid (expected dividends) to holders of the underlying shares over the option's term.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (f)(2)(iii)
-URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901

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The risk-free interest rate assumption that is used in valuing an option on its own shares.

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-Publisher FASB
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- Definition

Weighted average expected volatility rate of share-based compensation awards.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
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The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology.

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-Publisher FASB
-Name Accounting Standards Codification
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-Section 50
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Expected term of share-based compensation awards, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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