Equity Incentive Plan - Schedule of Nonvested Restricted Stock Units Activity (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
Sep. 30, 2020	Sep. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Weighted- average grant date fair value
Aggregate intrinsic value	$ 0	$ 13,509
Restricted Stock
Restricted stock awards
Non-vested, Beginning Balance (in shares)	144,046	123,800
Granted (in shares)		13,000
Vested (in shares)	2,600	400
Forfeited (in shares)	200	3,200
Non-vested, Ending Balance (in shares)	141,246	133,200
Weighted- average grant date fair value
Non-vested, Beginning Balance (in usd per share)	$ 25.89	$ 24.65
Granted (in usd per share)		25.37
Vested (in usd per share)	25.37	19.02
Forfeitures (in dollars per share)	24.95	20.62
Non-vested, Ending Balance (in usd per share)	$ 25.90	$ 24.83
Aggregate intrinsic value	$ 1,918	$ 2,256	$ 2,305	$ 2,258

The number of equity-based payment instruments, excluding stock (or unit) options, that were forfeited during the reporting period.

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 (c)(1)(iv)(3)
-URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901

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- Definition

Weighted average fair value as of the grant date of equity-based award plans other than stock (unit) option plans that were not exercised or put into effect as a result of the occurrence of a terminating event.

+ References

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-Publisher FASB
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-Topic 718
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-Section 50
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The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

+ References

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The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

+ References

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The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date.

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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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Per share or unit weighted-average fair value of nonvested award under share-based payment arrangement. Excludes share and unit options.

+ References

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-Publisher FASB
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The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period.

+ References

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The weighted average fair value as of grant date pertaining to an equity-based award plan other than a stock (or unit) option plan for which the grantee gained the right during the reporting period, by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash in accordance with the terms of the arrangement.

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- Definition

Amount of difference between fair value of the underlying shares reserved for issuance and exercise price of vested portions of options outstanding and currently exercisable.

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