Share-Based Compensation - Summary of Share-Based Compensation Expenses by Functional Line Item (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Mar. 31, 2018	Mar. 31, 2017	Mar. 31, 2018	Mar. 31, 2017
Share-based compensation expenses
Share-based compensation expense	$ 3,204	$ 3,598	$ 9,074	$ 9,985
Cost of revenue
Share-based compensation expenses
Share-based compensation expense	442	519	1,410	1,461
Research and development
Share-based compensation expenses
Share-based compensation expense	577	644	1,842	1,808
Selling and marketing
Share-based compensation expenses
Share-based compensation expense	496	769	863	2,077
General and administrative
Share-based compensation expenses
Share-based compensation expense	$ 1,689	$ 1,666	$ 4,959	$ 4,639