REVENUE RECOGNITION - Broker Fee Balance (Details) $ in Thousands	12 Months Ended
	Jun. 30, 2020 USD ($)
Change In Deferred Costs [Roll Forward]
Balance as of June 30, 2019	$ 17,819
Additions	5,606
Amortization	(2,852)
Write-offs	(57)
Balance as of June 30, 2020	$ 20,516