Revenue -Summary of Contract with Customer, Asset and Liability (Details) - USD ($) $ in Thousands		Jun. 30, 2020	Jun. 30, 2019
ASSETS
Unbilled accounts receivable – current	[1]	$ 11,739	$ 5,260
Interest receivable – current	[2]	493	361
Long-term accounts receivable	[3]	3,810	4,116
Interest receivable – non-current	[3]	1,342	1,255
Liabilities:
Customer advances		22,571	20,395
Deferred revenue – current		83,207	78,332
Deferred revenue – non-current		$ 24,125	$ 26,639

[1] Included in accounts receivable on consolidated balance sheets

[2] Included in prepaid expenses and other current assets on consolidated balance sheets

[3] Included in other assets on consolidated balance sheets