Schedule II - Valuation and Qualifying Accounts (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2017
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items]
Allowance for doubtful accounts	$ (6,624)	$ (3,349)	$ (2,703)	$ (1,285)
Additions: Charges to Costs and Expenses	(5,255)	(1,621)	(2,463)
Deductions: Returns and Write-Offs	$ 1,980	$ 975	$ 1,045