Schedule II - Valuation and Qualifying Accounts (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2017
Allowance for Doubtful Accounts
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]
Valuation Allowances and Reserves, Balance, Beginning Balance	$ 1,308	$ 796	$ 610
Charged to (Reduction of) Expense	869	1,560	186
Deductions	(955)	(1,048)
Valuation Allowances and Reserves, Balance, Ending Balance	1,222	1,308	796
Valuation Allowance of Deferred Tax Assets
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]
Valuation Allowances and Reserves, Balance, Beginning Balance	8,120	6,391	3,927
Charged to (Reduction of) Expense	5,429	1,729	2,464
Valuation Allowances and Reserves, Balance, Ending Balance	$ 13,549	$ 8,120	$ 6,391