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The compensation expense recognized during the period pertaining to the deferred compensation arrangement.

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BENEFIT PLANS - Deferred Compensation Contracts (Details) - USD ($)	12 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2019
Deferred Compensation Arrangement with Individual, Postretirement Benefits [Line Items]
Other comprehensive income for deferred compensation contracts	$ 264,000	$ 58,000	$ 489,000
Former Vice Chairman \| General and Administrative Expense
Deferred Compensation Arrangement with Individual, Postretirement Benefits [Line Items]
Projected benefit obligation	400,000	400,000	400,000
Deferred Compensation Contracts
Deferred Compensation Arrangement with Individual, Postretirement Benefits [Line Items]
Projected benefit obligation	4,775,000	4,939,000
Deferred Compensation Contracts \| Key executives \| General and Administrative Expense
Deferred Compensation Arrangement with Individual, Postretirement Benefits [Line Items]
Compensation expense	0	0	$ 0
Deferred Compensation Contracts \| Former Vice Chairman
Deferred Compensation Arrangement with Individual, Postretirement Benefits [Line Items]
Compensation expense	2,300,000	2,400,000
Deferred Compensation Contracts \| Former Vice Chairman \| Accrued Liabilities
Deferred Compensation Arrangement with Individual, Postretirement Benefits [Line Items]
Projected benefit obligation	$ 500,000	$ 500,000