Revenue, Performance Obligations, Deferred Revenue and Deferred Costs - Summary of Deferred Costs (Details) - USD ($) $ in Thousands	Sep. 30, 2020	Jun. 30, 2020
Deferred Sales Commissions
Deferred Costs [Line Items]
Current	$ 3,196	$ 2,829
Non-current	5,949	5,613
Total	9,145	8,442
Deferred Service Costs
Deferred Costs [Line Items]
Current	837	618
Non-current	10,802	4,474
Total	$ 11,639	$ 5,092