HELD-TO-MATURITY SECURITIES - Summary of investments (Details) - USD ($) $ in Thousands	Jun. 30, 2024	Jun. 30, 2023
Schedule of Investments [Line Items]
Amortized Cost/Net Carrying Amount	$ 78,846	$ 91,560
Gross Unrealized Gains	2	32
Gross Unrealized Losses	(82)	(161)
Estimated Fair Value	78,766	91,431
Corporate bonds
Schedule of Investments [Line Items]
Amortized Cost/Net Carrying Amount	78,846	81,743
Gross Unrealized Gains	2	1
Gross Unrealized Losses	(82)	(160)
Estimated Fair Value	$ 78,766	81,584
U.S. treasury bills
Schedule of Investments [Line Items]
Amortized Cost/Net Carrying Amount		9,817
Gross Unrealized Gains		31
Gross Unrealized Losses		(1)
Estimated Fair Value		$ 9,847