Accounts Receivable, Net - Schedule of Accounts Receivable (Details) - USD ($) $ in Thousands	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2018
Receivables [Abstract]
Trade receivables	$ 40,695	$ 53,593	$ 54,500
Other receivables	1,983	2,886
Allowance for doubtful accounts	(1,796)	(1,324)
Accounts receivable, net	$ 40,882	$ 55,155