REVENUE RECOGNITION - Broker Fee Balance (Details) $ in Thousands	12 Months Ended
	Jun. 30, 2021 USD ($)
Change In Deferred Costs [Roll Forward]
Balance as of June 30, 2020	$ 20,516
Additions	2,112
Amortization	(3,180)
Write-offs	(194)
Balance as of June 30, 2021	$ 19,254