RESTRUCTURING CHARGES - Summary of Accrued Liability for the Restructuring and Related Charges (Details) - USD ($) $ in Thousands	3 Months Ended
	Dec. 31, 2021	Jun. 30, 2021
Restructuring Reserve [Roll Forward]
Accrued liability beginning balance	$ 682
Restructuring charges		$ 1,716
Cash payment		(1,442)
Non-cash charges		(289)
Accrued liability ending balance		667
Personnel related costs
Restructuring Reserve [Roll Forward]
Accrued liability beginning balance	418
Restructuring charges		260
Cash payment		(275)
Non-cash charges		0
Accrued liability ending balance		403
Facilities & Exit Costs
Restructuring Reserve [Roll Forward]
Accrued liability beginning balance	264
Restructuring charges		1,167
Cash payment		(1,167)
Non-cash charges		0
Accrued liability ending balance		264
Facility and Other Costs
Restructuring Reserve [Roll Forward]
Accrued liability beginning balance	$ 0
Restructuring charges		289
Cash payment		0
Non-cash charges		(289)
Accrued liability ending balance		$ 0