Revenue, Performance Obligations, Deferred Revenue and Deferred Costs - Summary of Deferred Costs (Details) - USD ($) $ in Thousands	Dec. 31, 2020	Jun. 30, 2020
Deferred Sales Commissions
Deferred Costs [Line Items]
Current	$ 3,512	$ 2,829
Non-current	6,115	5,613
Total	9,627	8,442
Deferred Service Costs
Deferred Costs [Line Items]
Current	1,160	618
Non-current	14,812	4,474
Total	$ 15,972	$ 5,092