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BENEFIT PLANS - Deferred Compensation Contracts (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2021
Deferred Compensation Arrangement with Individual, Postretirement Benefits [Line Items]
Other comprehensive income for deferred compensation contracts	$ 739	$ 723
Former Vice Chairman \| General and Administrative Expense
Deferred Compensation Arrangement with Individual, Postretirement Benefits [Line Items]
Projected benefit obligation	600	500	$ 400
Deferred Compensation Contracts
Deferred Compensation Arrangement with Individual, Postretirement Benefits [Line Items]
Projected benefit obligation	2,327	2,623
Deferred Compensation Contracts \| Former Vice Chairman
Deferred Compensation Arrangement with Individual, Postretirement Benefits [Line Items]
Compensation expense	2,300	2,300
Deferred Compensation Contracts \| Former Vice Chairman \| Accrued Liabilities
Deferred Compensation Arrangement with Individual, Postretirement Benefits [Line Items]
Projected benefit obligation	$ 600	$ 500