LEASES - Cash and Non-cash Activities Associated with Leases (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2021	Jun. 30, 2020
Lessee, Lease, Description [Line Items]
Operating cash flows from operating leases	$ 2,844	$ 2,274
Reduction to ROU asset due to acquisition of previously leased asset	(904)	0
Additions and modifications to ROU asset obtained from new operating lease liabilities	2,994	6,214
Additions to ROU asset obtained from new financing lease liabilities	598	387
Accounting Standards Update 2016-02
Lessee, Lease, Description [Line Items]
Additions and modifications to ROU asset obtained from new operating lease liabilities	$ 0	$ 4,591