Condensed Consolidated Statements of Comprehensive Loss (Unaudited) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Mar. 31, 2019	Mar. 31, 2018	Mar. 31, 2019	Mar. 31, 2018
Statement Of Income And Comprehensive Income [Abstract]
Net loss	$ (6,932)	$ (13,613)	$ (8,798)	$ (41,160)
Available for sale securities:
Change in unrealized gains on available for sale securities		503		740
Net change in foreign currency translation adjustments	176	304	(349)	1,091
Other comprehensive income (loss), net of tax:	176	807	(349)	1,831
Total comprehensive loss	$ (6,756)	$ (12,806)	$ (9,147)	$ (39,329)

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