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401(k) Retirement Plan (Details) - USD ($)	3 Months Ended		6 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2021	Dec. 31, 2020
Defined Contribution Plan Disclosure [Line Items]
Retirement plan expenses	$ 428,000	$ 413,000	$ 918,000	$ 869,000
Vesting period			5 years
Maximum
Defined Contribution Plan Disclosure [Line Items]
Matching contributions of eligible compensation			4.00%

X

- Definition

Vesting term of retirement plans.

+ References

No definition available.

+ Details

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X

- Definition

Amount of administrative expense incurred by defined contribution plan.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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Balance Type:	na
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X

- Definition

Percentage employer matches of the employee's percentage contribution matched.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

X

- Details

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