Summary of Significant Accounting Policies - Revenue by Geographic Regions and Significant Geographic Area (Details) - USD ($) $ in Thousands	3 Months Ended
	Sep. 30, 2016	Sep. 30, 2015
Segment Reporting Information
Total revenues	$ 54,894	$ 45,352
Americas
Segment Reporting Information
Total revenues	40,135	34,726
Asia/Pacific & Europe
Segment Reporting Information
Total revenues	14,759	10,626
United States
Segment Reporting Information
Total revenues	38,618	33,496
Japan
Segment Reporting Information
Total revenues	$ 10,607	$ 8,593